Tag Archives: pump vacuum pump

China Water Ring Vacuum Pump pulley assembly

Solution Description

Water ring vacuum pump
 
 

Water ring vacuum pump
Product 2BE1
DN(flange) eighty~800mm
Ability a hundred and fifty~27000m³/h, with 2950RPM, 1450RPM, 980RPM, 740RPM, 
585RPM, 490RPM, 372RPM, 298RPM
Head five~180m
Permitting working pressure two.5Mpa 
Medium Temperature Regular<=80°C, cooling structure<105°C, equal to or higher 
than 105°C take special orders
Substance Cast iron-HT200, HT250 SS304, SS316, SS316L, Duplex SS
Partical  80mg/l
Motor 380V, 415V, 660V IP54, IP55 50Hz, 60Hz
Shaft Cast steel, 2Cr13
Casing and cover Cast iron, Nudular cast iron, Cast steel
Impeller Cast iron, Bronze, stainless steel
Mouth seal Cast iron, nudular cast iron, bronze, stianless steel.
Shaft seal Mechanical seal or packing seal
Bearing Closed grease lubricated roller bearing(SKF, NTN) NSK thrust 
and roll bearing
Flange standard ASME, DIN, GB
Seal by Burgmann mechanical seal or gland packing
Quality control system ISO9001:2000, ISO14001, OHSAS18001, ISO2548, GB/T3216, 
GB/T5657, GB19762-2005
Main Application Power plants, water supply, municipal, construction, fire fighting, 
industrial and mining enterprises and other industries for the 
transportation of water, of similar physical and chemical properties 
of water and other media

 

Export experience:
Over 20 years’ export experience.
 
Company Information
ZheJiang  East Pump (Group) Co., Ltd is a well-known pump manufacture in China, including scientific
investigation, manufacture, marketing and service.It owns 16 sub-businesses, 8 large manufacturing bases all over china.The sales revenue in 2014 reaches 400 Million dollars.Our products range 
covers Centrifugal Pump,Stainless steel Multi-stage Pump, Submersible Pump,
Hearth-fighting pump,Magnetic Pump,Diaphragm Pump,Slurry Pump,and so forth.

BROTHER digit-control machine tools, borer, broacher, vertical lathe and large special test center run through the production flow line. Without excellent production equipment, there would not be excellent products.
The spirit of hard work is particularly presented in the production process here in Eastpump, even if a small screw, everything and every detail is made meticulously and shows the professional quality.
Eastpump strictly follows ISO 9001 quality control system, ISO 4001, OHSAS 18000etc. management systems and the scientific and reasonable flow of operation, making sure of a high effective high quality production process.
 
PRODUCT TESTING

The group company now holds a large pump test center, a three-coordinate measurer, a dynamic-static measurer, a quick laser shaping instrument, a multi-functional shot-blasting machine, an automatic argon-arc welder, a large lathe, a large mill, numeral control machine tools etc. more than 2000 sets of various nationwide and worldwide advanced production and detection facilities and over 4500 staff members, of which 72.6% are graduated from colleges and technical schools, 375 hold a junior title, 28 senior, 2 national experts and 5 professors. Every year this group puts a number of capital for technical innovation, product development and equipment import and, up till now, holds up to 600 national patent technologies and takes part in the draft-out and edition of both national and industrial standards, in total of tens of the product and technical standards covering water conservancy, chemical industry, fire-fighting, city water supply etc. Fields.
 
Ordering instructions
Must provide order information:

The required pump model or user operating point flow, head, NPSH, the nature of the medium and temperature parameters and special parameters of the basic requirement
The pump main parts material (not to specify the configuration according to the sample delivery)
Inlet pressure (if inlet pressure >=.6MPa, pump casing should equip with high strength material)
The shaft seal type (three are mechanical seal, injectable soft-fillings seal, special seal part, packing seal and so on, it will delivery packing seal if it does not indicate)
The bearing structure type (select according to medium temperature and so on, it will deliver standard fitting if it does not indicate)
Revolving direction of pump (view from the end of transmission, the revolving direction of pump is anticlockwise. It will deliver standard fitting if it does not indicate)
Motor rotational speed, power, voltage, protection rank, insulation grade, cooling method, whether to guard against explosions and so on
Foundation: the sample 315 with the following common base frame sizes, frame sizes above 315 with a split base or no base, please specify when ordering
For spare parts, please indicate the name and quantity of spare parts required
Ordering, no special requirements to flanges book list data delivery, if any special requests when ordering
State seal flushing method: wash the external and external washing. Add the rinse water temperature is suitable for =80°C or media containing sand and other particles of the occasion
Flat flange of the pump, with the sealing surface for sealing wire required the contract specified.
 
Selecting description:

The order of user isn’t limited by the data which listed in the sample performance curve and performance parameter chart, this company may design and provide the products specially according to user’s actual requirement flow and head
If it is close to the listed performance parameter, it will prefer to select the standard impeller pump and the high speed pump generally (the premise is that satisfies the requirement of cavitation performance)
If user’s required flow and head parameter aren’t in the scope of product’s large flow and low head operating condition, the matched motor power may confirm and reduce properly according to the actual operating condition point.
if you have special selecting or have the unclear place to the sample, please inquire the technical support department of ZheJiang  East Pump (Group) Co., Ltd directly.
Recommended spare parts: shaft, mechanical seal, seal ring, packing, bearings, impeller.
After service
East Pump persist in “consumers’ satisfaction” as our objective. “To offer consumers with high-class services” as our promises. They are embodied in our all processes of sales.
Prior to-sales service: Our engineers offer consumers design and consultation services. They will commend the optimum products, therefore, losses because of unsuitable select of pump can be averted.
Sales service: We follow the products sold on our own initiative. Consumers can receive our professional training free to ensure our products can operate with high efficiency to avoid equipment hitch owing to consumers’ incorrect use.
Right after-sales service: Our service people will forwardly make selective-check for product sold termly. Furthermore, they will supervise consumers maintaining the equipment in time. Once our products work wrong, we will obviate the trouble as soon as possible, to make equipment operate normally.

Item of service
Technical training          Equipment evaluation
Installation and debugging   Troubleshoot
Maintenance              Update and improvement
Commitment to the service
1.      After signing the contract , send engineer for assisting installation and debugging.
two.      One-year warranty. Provide technical support free all-life of the products.
three.      Keep all-life contacting with clients, get feedback on use of the equipment and make the products quality continually perfected.
4.      Hot-line of service is available in 24h, responded in 8h. 400 1666 099

 

US $1,100
/ Set
|
1 Set

(Min. Order)

###

Impeller Number: Single-Stage Pump
Working Pressure: High Pressure Pump
Influent Type of Impeller: Single Suction Pump
Position of Pump Shaft: Horizontal Pump
Pump Casing Combined: Horizontal Split Pumps
Mounting Height: Since Irrigation Centrifugal Pumps

###

Customization:

###

Water ring vacuum pump
Model 2BE1
DN(flange) 80~800mm
Capacity 150~27000m³/h, with 2950RPM, 1450RPM, 980RPM, 740RPM, 
585RPM, 490RPM, 372RPM, 298RPM
Head 5~180m
Permitting working pressure 2.5Mpa 
Medium Temperature Normal<=80°C, cooling structure<105°C, equal to or higher 
than 105°C take special orders
Material Cast iron-HT200, HT250; SS304, SS316, SS316L, Duplex SS
Partical  80mg/l
Motor 380V, 415V, 660V; IP54, IP55; 50Hz, 60Hz
Shaft Cast steel, 2Cr13
Casing and cover Cast iron, Nudular cast iron, Cast steel
Impeller Cast iron, Bronze, stainless steel
Mouth seal Cast iron, nudular cast iron, bronze, stianless steel.
Shaft seal Mechanical seal or packing seal
Bearing Closed grease lubricated roller bearing(SKF, NTN) NSK thrust 
and roll bearing
Flange standard ASME, DIN, GB
Seal by Burgmann mechanical seal or gland packing
Quality control system ISO9001:2000, ISO14001, OHSAS18001, ISO2548, GB/T3216, 
GB/T5657, GB19762-2005
Main Application Power plants, water supply, municipal, construction, fire fighting, 
industrial and mining enterprises and other industries for the 
transportation of water, of similar physical and chemical properties 
of water and other media
US $1,100
/ Set
|
1 Set

(Min. Order)

###

Impeller Number: Single-Stage Pump
Working Pressure: High Pressure Pump
Influent Type of Impeller: Single Suction Pump
Position of Pump Shaft: Horizontal Pump
Pump Casing Combined: Horizontal Split Pumps
Mounting Height: Since Irrigation Centrifugal Pumps

###

Customization:

###

Water ring vacuum pump
Model 2BE1
DN(flange) 80~800mm
Capacity 150~27000m³/h, with 2950RPM, 1450RPM, 980RPM, 740RPM, 
585RPM, 490RPM, 372RPM, 298RPM
Head 5~180m
Permitting working pressure 2.5Mpa 
Medium Temperature Normal<=80°C, cooling structure<105°C, equal to or higher 
than 105°C take special orders
Material Cast iron-HT200, HT250; SS304, SS316, SS316L, Duplex SS
Partical  80mg/l
Motor 380V, 415V, 660V; IP54, IP55; 50Hz, 60Hz
Shaft Cast steel, 2Cr13
Casing and cover Cast iron, Nudular cast iron, Cast steel
Impeller Cast iron, Bronze, stainless steel
Mouth seal Cast iron, nudular cast iron, bronze, stianless steel.
Shaft seal Mechanical seal or packing seal
Bearing Closed grease lubricated roller bearing(SKF, NTN) NSK thrust 
and roll bearing
Flange standard ASME, DIN, GB
Seal by Burgmann mechanical seal or gland packing
Quality control system ISO9001:2000, ISO14001, OHSAS18001, ISO2548, GB/T3216, 
GB/T5657, GB19762-2005
Main Application Power plants, water supply, municipal, construction, fire fighting, 
industrial and mining enterprises and other industries for the 
transportation of water, of similar physical and chemical properties 
of water and other media

How to use the pulley system

Using a pulley system is a great way to move things around your home, but how do you use a pulley system? Let’s look at the basic equations that describe a pulley system, the types of pulleys, and some safety considerations when using pulleys. Here are some examples. Don’t worry, you’ll find all the information you need in one place!
pulley

Basic equations of pulley systems

The pulley system consists of pulleys and chords. When the weight of the load is pulled through the rope, it slides through the groove and ends up on the other side. When the weight moves, the applied force must travel nx distance. The distance is in meters. If there are four pulleys, the distance the rope will travel will be 2×24. If there are n pulleys, the distance traveled by the weight will be 2n – 1.
The mechanical advantage of the pulley system increases with distance. The greater the distance over which the force is applied, the greater the leverage of the system. For example, if a set of pulleys is used to lift the load, one should be attached to the load and the other to the stand. The load itself does not move. Therefore, the distance between the blocks must be shortened, and the length of the line circulating between the pulleys must be shortened.
Another way to think about the acceleration of a pulley system is to think of ropes and ropes as massless and frictionless. Assuming the rope and pulley are massless, they should have the same magnitude and direction of motion. However, in this case the quality of the string is a variable that is not overdone. Therefore, the tension vector on the block is labeled with the same variable name as the pulley.
The calculation of the pulley system is relatively simple. Five mechanical advantages of the pulley system can be found. This is because the number of ropes supporting the load is equal to the force exerted on the ropes. When the ropes all move in the same direction, they have two mechanical advantages. Alternatively, you can use a combination of movable and fixed pulleys to reduce the force.
When calculating forces in a pulley system, you can use Newton’s laws of motion. Newton’s second law deals with acceleration and force. The fourth law tells us that tension and gravity are in equilibrium. This is useful if you need to lift heavy objects. The laws of motion help with calculations and can help you better understand pulley systems.
pulley

Types of pulleys

Different types of pulleys are commonly used for various purposes, including lifting. Some pulleys are flexible, which means they can move freely around a central axis and can change the direction of force. Some are fixed, such as hinges, and are usually used for heavier loads. Others are movable, such as coiled ropes. Whatever the purpose, pulleys are very useful in raising and lowering objects.
Pulleys are common in many different applications, from elevators and cargo lift systems to lights and curtains. They are also used in sewing machine motors and sliding doors. Garage and patio doors are often equipped with pulleys. Rock climbers use a pulley system to climb rocks safely. These pulley systems have different types of pinions that allow them to balance weight and force direction.
The most common type of pulley is the pulley pulley system. The pulley system utilizes mechanical advantages to lift weight. Archimedes is thought to have discovered the pulley around 250 BC. in ancient Sicily. Mesopotamians also used pulleys, they used ropes to lift water and windmills. Pulley systems can even be found at Stonehenge.
Another type of pulley is called a compound pulley. It consists of a set of parallel pulleys that increase the force required to move large objects. This type is most commonly used in rock climbing and sailing, while composite pulleys can also be found in theater curtains. If you’re wondering the difference between these two types of pulleys, here’s a quick overview:

Mechanical Advantages of Pulley Systems

Pulley systems offer significant mechanical advantages. The ability of the system to reduce the effort required to lift weights increases with the number of rope loops. This advantage is proportional to the number of loops in the system. If the rope had only one loop, then a single weight would require the same amount of force to pull. But by adding extra cycles, the force required will be reduced.
The pulley system has the advantage of changing the direction of the force. This makes it easier to move heavy objects. They come in both fixed and mobile. Pulleys are used in many engineering applications because they can be combined with other mechanisms. If you want to know what a pulley can do, read on! Here are some examples. Therefore, you will understand how they are used in engineering.
Single-acting pulleys do not change direction, but compound pulleys do. Their mechanical advantage is six. The compound pulley system consists of a movable pulley and a fixed pulley. The mechanical advantage of the pulley system increases as the number of movable wheels decreases. So if you have two wheels, you need twice as much force to lift the same weight because you need a movable pulley.
The mechanical advantage of a pulley system can be maximized by adding more pulleys or rope lengths. For example, if you have a single pulley system, the mechanical advantage is one of the smallest. By using two or three pulleys, up to five times the mechanical advantage can be achieved. You can also gain up to ten times the mechanical advantage by using multiple pulley systems.
The use of a single movable pulley system also adds to the mechanical advantage of the pulley system. In this case, you don’t have to change the direction of the force to lift the weight. In contrast, a movable pulley system requires you to move the rope farther to generate the same force. Using a compound pulley system allows you to lift heavy loads with ease.
pulley

Safety Issues When Using Pulley Systems

Pulleys have an incredibly unique structure, consisting of a disc with a groove in the middle and a shaft running through it. A rope or cord is attached to one end of a pulley that turns when force is applied. The other end of the rope is attached to the load. This mechanical advantage means that it is much easier to pull an object using the pulley system than to lift the same object by hand.
Although pulley systems are a common part of many manufacturing processes, some employers do not train their workers to use them properly or install protection to prevent injury. It is important to wear proper PPE and follow standard laboratory safety practices during pulley system activities. Make sure any support structures are strong enough to handle the weight and weight of the rope or rope. If you do fall, be sure to contact your employer immediately.

China Water Ring Vacuum Pump     pulley assembly	China Water Ring Vacuum Pump     pulley assembly
editor by czh 2022-11-29

China Vacuum Pump and Roots Pump Spare Parts for Oil Filtration Machine and Vacuum Pumping System pulley design

Product Description

Numerous renowned brand names in domestic and at overseas of rotary vane vacuum pumps and/or booster roots pumps with their motors are decided on to install on our oil filtration equipment, so as to maintain a steady vacuum pumping works and the total machine’s dependable procedure.
These pumps and motors are also offered for sale to the buyers who are employing our oil filtration machines as spare parts.
And these are also provided to customers as spare components of Vacuum Pumping Technique.

 

US $7,600-21,900
/ Piece
|
1 Piece

(Min. Order)

###

Oil or Not: Oil
Structure: Rotary Vacuum Pump and Booster Roots Pump
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum
Work Function: Pre-Suction Pump
Working Conditions: Dry

###

Customization:
US $7,600-21,900
/ Piece
|
1 Piece

(Min. Order)

###

Oil or Not: Oil
Structure: Rotary Vacuum Pump and Booster Roots Pump
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum
Work Function: Pre-Suction Pump
Working Conditions: Dry

###

Customization:

Types of pulleys and their advantages and disadvantages

There are several types of pulleys. Learn the basic equations of the pulley system. Then learn about the different uses for pulleys. The disadvantages of using pulleys will be covered. Knowing these, you can buy the pulley that suits your needs. Here are some of the best pulley types and their pros and cons.
pulley

Basic equations of pulley systems

A pulley system is a mechanism that allows two blocks of a certain mass to be connected by a taut rope. The acceleration of each block is the same in magnitude and direction. The external force acting on each block is the weight of the block (10g) and the tension in the string. The tension between the two blocks is the total tension and the force acting on the pulley is the weight of the two blocks.
This simple mechanism uses two simple equations to explain how the system works. First, the mass of the weight on both sides of the pulley must be the same. When the weight is forced to move, the rope tightens and the second pulley descends. The weight is also attached to the second pulley and must be the same distance as the first pulley. This will result in a speed ratio of 2 times the distance covered by the first pulley.
Second, we have to calculate the force required to lift the object. The lower mass is supported by a wire configuration passing through all pulleys, while the uppermost pulley is used to apply the force. The lower block is used to support the weight. The applied force needs to travel a distance nx to move the weight. This distance, called MA, can be written as:
Once we have gathered the necessary information, we can apply the calculations to the pulley system. We can also use the Mechanical Advantage Calculator to calculate the force on the anchor. To do this, we must apply a force to the load as well as to the pulley itself. Using this equation, we can calculate the force required by the load to lift the load.
pulley

Types of pulleys

There are three basic types of pulleys: movable, fixed and compound. Both types of pulleys translate the force applied to them. The ideal mechanical advantage of pulleys is two. This is because a single movable pulley only doubles the force, whereas a compound pulley doubles or triples the force. This type of pulley is often used with other types of pulleys.
Movable pulls move with the weight of the load, and the force pulling them increases on the lift side. They are often found in utility elevators and construction cranes. These systems are very simple, inexpensive and quiet to use. The force required to lift the object depends on the mechanical advantage of the system. The two most common types of pulleys are listed below. Let’s take a closer look at each one.
V-shaped pulleys are used in vehicles and electric motors. These pulleys require a “V” belt to function properly. Some have multiple “V” grooves to avoid slipping. They are used in heavy duty applications to reduce the risk of power slip. These pulleys also have more than one “V” groove. V-belt pulleys are commonly used in vehicles and electric motors.
Composite pulleys are made from more than one type of cable or rope wrapped around the wheel. They can be fixed or hinged and are usually made of stainless steel or bronze. Composite pulleys have multiple layers and can be a single unit or many different components. There are three main types of pulleys: fixed pulleys and composite pulleys. These are the most common types. Almost every type of pulley is used for some type of application.
Fixed pulleys have one advantage over movable pulleys: they change direction as the weight of the load increases. They are typically used in heavy construction equipment. Gun tackles, patio tackles, and stationary tackles are examples of equipment that use a pulley mechanism. These devices are very common and can be found on most modern construction sites. They provide great convenience for lifting large loads.

application

What are the applications of pulleys? Simply put, a pulley is a mechanical device that transforms a difficult task into an easier one. It consists of ropes and pulleys. It is usually used to lift objects. Usually, people wrap a rope around a pulley and pull up to lift the object. One disadvantage of using pulleys is that they require the same force as lifting the object directly.
One of the most popular applications of pulleys is lifting heavy objects. They help people pull up heavy objects and blocks. The system can also be used in seeders, lifts, grinders, etc. Other applications include raising flags, loading cargo, pulling curtains and rock or mountain climbing. Students can learn about the various uses of pulleys and the physics behind them.
Pulleys can be made of many different materials, depending on the application. Some are movable, which means they move with the object they are used to lift. This pulley system can be made of nylon, wire rope or fiber material. The best part about these systems is that they are easy to install and maintain. For a better grasp, use the guide or video tutorial to learn more about the pulley system and how it works.
Tapered pulleys are common in paper mills. They are high-quality pulleys that transmit power to connected parts. They can be dynamic or static and have different balances. Because pulley systems are highly customized, most industrial applications require systems designed specifically for specific applications. In this way, the system is safe, simple and inexpensive. The benefits of this design are endless.
The most common use of pulleys is for motor drives. They are used to minimize noise by applying force to the shaft to reduce the workload. They are also less expensive than gears and do not require lubrication. Furthermore, they can change the direction of the applied force. They are also less expensive than gears and are often used with other components. A screw is a cylindrical member with helical ribs used to connect something.
pulley

shortcoming

Although the pulley system makes it easier to move heavy objects, it still has some drawbacks. When using a pulley system, you must remember that the force required to lift the weight increases with the number of cycles. In addition, the distance between the puller and the heavy object increases, which may lead to accidents. Also, moving heavy objects can be tricky if the rope slips. Pulley systems are not very expensive and can be easily assembled. However, it does require a lot of space.
First, it is not efficient. Besides being inefficient, pulleys produce different forces at different speeds. Fixed pulleys use more force than the load, while movable pulleys move with the load. A movable pulley requires less force than a fixed pulley, but the combined system travels a long distance. Therefore, this method is not as efficient as the fixed method.
Pulleys are not only used in industrial processes. You can see them in various places in your daily life. For example, large construction cranes use pulleys to lift heavy loads. Even flagpoles, blinds, clotheslines, ziplines, motors and climbing equipment use pulleys. Still, despite their advantages, the disadvantages are not too serious.
Another disadvantage of the pulley is its wear and tear. While a pulley’s housing is theoretically infinite, its bearings and locking components typically wear out over time. To overcome this problem, a new bearing and locking assembly can be installed. No need to replace the housing and shaft, the entire assembly can be re-bonded and painted to replicate the original look. Alternatively, the pulley can be replaced with a new housing and shaft.
Using pulleys can also reduce the advantage of pulleys. On the other hand, interception and tackle is a system in which two pulleys are connected to each other using ropes. Unlike pulleys, pulley pulley systems can be adjusted in the direction of travel and can move heavy loads up to four times their force when used in hydraulic lifts.

China Vacuum Pump and Roots Pump Spare Parts for Oil Filtration Machine and Vacuum Pumping System     pulley design	China Vacuum Pump and Roots Pump Spare Parts for Oil Filtration Machine and Vacuum Pumping System     pulley design
editor by czh 2022-11-28

China Vacuum Pump Suction Cup with ABS Handle for Glass Stone Slab pulley system

Product Description

Grade:Industrial
Certification:Get to, CE, CE Certificate
Measurement:8inch 200mm
Color:Crimson Black
Substance:rubber & Stomach muscles
Emblem:Cutomized
Design and style:As your requirment

What is the edge of HangZhou Manufacturing unit?

1.Cost-free of charge to make the sample as your needed
2.Fastest email respond
three.Modest amount orders are recognized
4. Prosperous expertise to function with popular firm and manufacturers
5.A lot of style  Cigarette cases series for your pick to win the promotion campaign

About us
We are a 6 star provider of World-wide Supply and have in excess of 20 years of knowledge manufacturing a extensive variety of Glass Vacuum Suction Cups. If you require an merchandise produced from scratch, we have a hundred R&D engineers and 20 designers who can comprehensive a sample for you in 3 days. The same staff also lead to the 20 new versions we launch month to month.
Generation is carried out at our 5 factories employing printing, warmth-transfer and packaging machines, we can have your buy for cargo in 10 to 15 days.
For a lot more info, speak to us today.

Sample Lead time 3-7 days  Sample Expense Free of charge samples
Direct Time fifteen-20 business times right after sample is verified, count on the amount
Port HangZhou, ZheJiang , China
Payment  L/C, T/T, Western Union

 

US $22
/ Piece
|
100 Pieces

(Min. Order)

###

Certification: RoHS
Handle Material: Plastic
Folded: Unfolded
Standard: ANSI, DIN
OEM: Yes
Transport Package: Each Packed in a Polybag

###

1.Free of charge to make the sample as your required
2.Fastest email respond
3.Small quantity orders are accepted
4. Rich experience to work with famous company and brands
5.Many style  Cigarette cases series for your choose to win the promotion campaign

###

Sample Lead time 3-7 days  Sample Cost Free of charge samples
Lead Time 15-20 business days after sample is confirmed, depend on the quantity
Port Xiamen, Fujian, China
Payment  L/C, T/T, Western Union
US $22
/ Piece
|
100 Pieces

(Min. Order)

###

Certification: RoHS
Handle Material: Plastic
Folded: Unfolded
Standard: ANSI, DIN
OEM: Yes
Transport Package: Each Packed in a Polybag

###

1.Free of charge to make the sample as your required
2.Fastest email respond
3.Small quantity orders are accepted
4. Rich experience to work with famous company and brands
5.Many style  Cigarette cases series for your choose to win the promotion campaign

###

Sample Lead time 3-7 days  Sample Cost Free of charge samples
Lead Time 15-20 business days after sample is confirmed, depend on the quantity
Port Xiamen, Fujian, China
Payment  L/C, T/T, Western Union

The importance of pulleys

A pulley is a wheel that rides on an axle or axle. The purpose of the pulley is to change the direction of the tensioning cable. The cable then transfers the power from the shaft to the pulley. This article explains the importance of pulleys and demonstrates several different uses for this machine. Also, see the Mechanical Advantages section below for the different types. let’s start.
pulley

simple machine

A simple pulley machine is a device used to transfer energy. It consists of a wheel with flexible material on the rim and a rope or chain tied to the other end. Then lift the load using the force applied to the other end. The mechanical advantage of this system is one, as the force applied to the load is the same as the force on the pulley shaft.
A simple pulley machine has many benefits, from the ability to build pyramids to building modern buildings with it. Pulleys are also popular with children because they can perform simple tasks such as lifting toys onto a slide, sliding them off the slide, and lifting them up again. These activities, called “transportation” by child development theorists, allow them to learn about the physics of simple machines in the process.
The mechanism works by using cables to transmit force. The cable is attached to one side of the pulley and the other side is pulled by the user. Lift the load by pulling on one end and the other end of the rope. Simple pulley machines have many commercial and everyday applications, including helping move large objects. They can be fixed or movable, and can be a combination of both. The present invention is a great tool for any beginner or engineer.

axis

The axle wheel is the basic mechanical part that amplifies the force. It may have originally appeared as a tool to lift buckets or heavy objects from a well. Its operation is demonstrated by large and small gears attached to the same shaft. When applied to an object, the force on the large gear F overcomes the force W on the pinion R. The ratio of these two forces is called the mechanical advantage.
The ideal mechanical advantage of shaft pulleys is their radius ratio. A large radius will result in a higher mechanical advantage than a small radius. A pulley is a wheel through which a rope or belt runs. Often the wheels are interconnected with cables or belts for added mechanical advantage. The number of support ropes depends on the desired mechanical advantage of the pulley.
In the design of the axle wheel, the axle is the fulcrum and the outer edge is the handle. In simple terms, wheels and axle pulleys are improved versions of levers. The axle pulley moves the load farther than the lever and connects to the load at the center of the axle. Shaft pulleys are versatile and widely used in construction.

rope or belt

Ropes or pulleys are mechanical devices used to move large masses. The rope supports a large mass and can be moved easily by applying a force equal to one quarter of the mass to the loose end. Quad pulleys have four wheels and provide the mechanical advantage of four wheels. It is often used in factories and workshops. It is also a popular choice in the construction industry. If you are installing a pulley in your vehicle, be sure to follow these simple installation instructions.
First, you need to understand the basics of how a rope or pulley works. The machine consists of one or more wheels that rotate on an axle. The rope or belt is wrapped around the pulley and the force exerted on the rope is spread around the pulley. It then transfers the force from one end of the rope to the other. The pulley system also helps reduce the force required to lift objects.
Another common rope or pulley is the differential pulley. This is similar to a rope pulley, but consists of two pulleys of different radii. The tension in the two halves of the rope supports half the load that the live pulley should carry. These two different types of pulleys are often used together in composite pulley systems.
pulley

Mechanical advantage

The mechanical advantage is the ratio of the force used to move the load through the pulley system to the force applied. It has been used to measure the effectiveness of pulley systems, but it also requires assumptions about applied forces and weights. In a simple 1:1 pulley system, the weight lifting the weight is the same as the weight of the person pulling the weight. Adding mechanical advantage can help make up for the lack of manpower.
This advantage stems from the mechanical properties of simple machines. It requires less force and takes up less space and time to accomplish the same task. The same effect can also be achieved by applying less force at a distance. Furthermore, this effect is called the output force ratio. The basic working principle of a pulley system is a rope with a fixed point at one end. The movable pulley can be moved with very little force to achieve the desired effect.
The load can be moved through the vertical entry using a simple pulley system. It can use a simple “pulley block” system with a 2:1 “ladder frame” or a 4:1 with dual pulleys. This can be combined with another simple pulley system to create a compound pulley system. In this case, a simple pulley system is pulling another pulley, giving it a 9:1 mechanical advantage.

Commonly used

You’ve probably seen pulley systems in your kitchen or laundry room. You probably already use it to hang clothes on an adjustable clothesline. You may have seen motor pulleys in the kitchens of commercial buildings. You might even have seen one on a crane. These machines use a pulley system to help them lift heavy loads. The same goes for theaters. Some pulleys are attached to the sides of the stage, enabling the operator to move up and down the stage.
Pulley systems have many uses in the oil and petroleum industry. For example, in the oil and gas industry, pulley systems are used to lay cables. They are arranged in a pulley structure to provide mechanical energy. When the rope is running, two pulleys are hung on the derrick to facilitate smooth running. In these applications, pulleys are very effective in lifting heavy objects.
A pulley is a simple mechanical device that converts mechanical energy into motion. Unlike chains, pulleys are designed to transfer power from one location to another. The force required to lift an object with a pulley is the same as that required by hand. It takes the same amount of force to lift a bucket of water, but it’s more comfortable to pull sideways. A bucket of water weighs the same as when lifted vertically, so it’s easy to see how this mechanism can be useful.
pulley

Safety Notice

When using pulleys, you should take several safety precautions to keep your employees and other workers on the job site safe. In addition to wearing a hard hat, you should also wear gloves to protect your hands. Using pulleys can lead to a variety of injuries, so it’s important to keep these precautions in mind before using pulleys. Here are some of the most common:
Pulleys are an important piece of equipment to have on hand when lifting heavy objects. Pulleys not only reduce the force required to lift an object, but also the direction of the force. This is especially important if you are lifting heavy objects, such as a lawn mower or motorcycle. Before starting, it is important to make sure that the anchoring system can support the full weight of the object you are lifting.
When using a pulley system, make sure the anchor points are adequate to support the load. Check with the pulley manufacturer to determine the weight it can safely lift. If the load is too large, composite pulleys can be used instead. For vertical lifts, you should use a sprocket set and wear personal protective equipment. Safety precautions when using pulleys are critical to worker health and safety.

China Vacuum Pump Suction Cup with ABS Handle for Glass Stone Slab     pulley system	China Vacuum Pump Suction Cup with ABS Handle for Glass Stone Slab     pulley system
editor by czh 2022-11-28

China 2X-15 Rotary Vane Vacuum Pump for Vacuum Coating Machine engine pulley

Solution Description

2X-fifteen Rotary Vane Vacuum Pump for Vacuum Coating Device

Solution Description 

Model 2X-8 2X-fifteen 2X-thirty 2X-70
Pumping pace(L/S) 8 fifteen 30 70
Supreme pressure(Pa)              6×10-2
Nois seventy five eighty 82 86
Non-jetting time of ol when pumping                 1
Temperature increase( Celsius diploma)                40
Motor electricity (KW) 1.1 1.5 three five.5
Intake of pump oil(L) one.three 3 4.five 8
Rotation speed of major shaft 550 470 430 450
Cooling method               water-cooling
Use of cooling water(L/H)               480

Characteristics of the pump
a. It can straight pump from the ambiance
b.  It can be employed as minimal vacuum pump, also can be employed as forestage pump even though combining with other high vacuum pump.
c. The sequence is widely utilized in the metallurgy, chemical sector and gentle business, drugs, electron and semi-conductive business
d. The pump are unable to be utilised to pump the gasoline with higher oxygen, toxic, explosive, or the gasoline will lively with pump oil or have corrosive to the black metal. It also can be employed as compressor or transmission pump.
e. Broadly utilized in vacuum coating equipment

Workshop 

For far more specifics on configurations quotations, you should make contact with us.
HangZhou Danko Vacuum Technological innovation Co.,Ltd

Sara

US $500-1,000
/ Piece
|
1 Piece

(Min. Order)

###

Type: Coating Production Line
Coating: Vacuum Coating
Substrate: Plastic, Metal, Glass, Ceramic
Certification: CE, ISO
Condition: New
Usage: Vacuum Coating Machine, Air Pump

###

Customization:

###

Model 2X-8 2X-15 2X-30 2X-70
Pumping speed(L/S) 8 15 30 70
Ultimate pressure(Pa)              6×10-2
Nois 75 80 82 86
Non-jetting time of ol when pumping                 1
Temperature rise( Celsius degree)                40
Motor power (KW) 1.1 1.5 3 5.5
Consumption of pump oil(L) 1.3 3 4.5 8
Rotation speed of main shaft 550 470 430 450
Cooling mode               water-cooling
Consumption of cooling water(L/H)               480
US $500-1,000
/ Piece
|
1 Piece

(Min. Order)

###

Type: Coating Production Line
Coating: Vacuum Coating
Substrate: Plastic, Metal, Glass, Ceramic
Certification: CE, ISO
Condition: New
Usage: Vacuum Coating Machine, Air Pump

###

Customization:

###

Model 2X-8 2X-15 2X-30 2X-70
Pumping speed(L/S) 8 15 30 70
Ultimate pressure(Pa)              6×10-2
Nois 75 80 82 86
Non-jetting time of ol when pumping                 1
Temperature rise( Celsius degree)                40
Motor power (KW) 1.1 1.5 3 5.5
Consumption of pump oil(L) 1.3 3 4.5 8
Rotation speed of main shaft 550 470 430 450
Cooling mode               water-cooling
Consumption of cooling water(L/H)               480

Pulley Type

There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.

moving pulley

Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling one end of the rope will double the force on the shaft, resulting in two mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student’s understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!
pulley

Fixed wheel pulley

If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it’s not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn’t always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in one direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
pulley

composite pulley

Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than two pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.

load multiplier

The multiplication system has three basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the three parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only four ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by three ropes, each weighing about thirty-five pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over two tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
pulley

Disadvantages of fixed pulleys

There are two basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When two or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.

China 2X-15 Rotary Vane Vacuum Pump for Vacuum Coating Machine     engine pulleyChina 2X-15 Rotary Vane Vacuum Pump for Vacuum Coating Machine     engine pulley
editor by czh 2022-11-27

China Laboratory Mini 62 Dba Oil Silent Multistage Rotary Vane Lab Vacuum Pump supplier

Solution Description

Laboratory Mini sixty two dBA Oil Silent Multistage Rotary Vane Lab Vacuum Pump

The pump is a standard gadget for the extraction of fuel from a sealed container. It can be used on your own, can also be used for booster pump, diffusion pumps, molecular pump, pump, pre titanium pump pumping pumps, can be used for vacuum drying, CZPT drying, vacuum degassing, vacuum packaging, vacuum adsorption, vacuum forming, coating, packaging, printing, sputtering, vacuum casting devices, facilities, refrigerator, air conditioning pipeline and laboratory vacuum procedure and supporting the use of.

2XZ-B collection rotary vane vacuum pump is a two-phase direct-coupled rotary vane vacuum pump. Its operating overall performance is composed of 2 elements: high strain phase and lower pressure phase. Its suction port is linked with vacuum products, and the fuel in the container is operated for the duration of procedure. A large volume of inhalation and discharge, when the gear is vacuumed, the higher-strain exhaust is closed, the gas inhaled by the high-force phase will be transferred to the second stage, and discharged by means of the 2nd phase to discharge, and the vacuum products can obtain a specific degree of vacuum, 2XZ -B series rotary vane vacuum pump specialized parameters are 6×10-2, pump and motor shaft, substantial pace, modest size, compact composition, practical fluidity, our manufacturing unit specific steel scraper, ideal for diffusion pump The foreline pump, precision matching, laboratory, drugs, foods packaging, electronic, electric mild resource and other models.

Feature
one. due to the reduced sounds design and style and precision processing, thus achieving a reduced noise
two. the preparation of specific design and style of gas valve, avoid water pump oil, pump oil prolonged the use of time
three. the use of similar international merchandise style, small dimension, light bodyweight, lower sounds, straightforward to begin
4.geared up with automated double anti oil return system, never return oil
5. small diameter 2XZ-4 vacuum pump with vacuum drying box, CZPT drying equipment, printing equipment
six. can be outfitted with little diameter adapter, KF interface, flange interface.
7. Oil-mist filter is optional

Technological Parameter

Product 2XZ-.five 2XZ-one 2XZ-two
2XZ-2B
2XZ-four
2XZ-4B
2XZ-6B 2XZ-8B 2XZ-15B
Pump rate (L/S)  m3/h .5 one 2 4 / 14.4 6 8 15
Ultimate pressure 
(Pa)
Partial strain ≤6×10-two ≤6×10-2 ≤6×10-two ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2
Total force ≤1.33 ≤1.33 ≤1.33 ≤1.33 ≤1.33 ≤1.33 ≤1.33
Rotary pace(r/min) 1400 1400 1400 1400 1400 1400 1400
Working voltage(V) 220 220 a hundred and ten/220/380 one hundred ten/220/380 a hundred and ten/220/380 a hundred and ten/220/380 110/220/380
Motor power(Kw) .eighteen .twenty five .37 .55 .seventy five 1.1 one.five
Inlet port diameter (OD)  (mm) Φ20 Φ20 Φ30 Φ30 Φ40 Φ40 Φ40
KF-sixteen KF-16 KF-twenty five KF-twenty five KF-25 KF-25 KF-twenty five
Noise(dBA) sixty five 58 sixty two sixty six sixty six 66 66
Oil capacity (L) .6 .75 1 1 two three four
Oil temperature growing (°C) 40 forty five 45 ≯45 ≯45 ≯45 ≯45
Dimensions(mm) 440×140×240 460×140×240 480×140×240 520×140×250 565×200×342 650×240×430 770×240×430
GW/NW(Kg) seventeen/sixteen seventeen/sixteen 22/twenty 24/22 45/40 65/60 sixty five/60

Packaging & Transport

Bundle Depth

one) Wood packing
2) The items can be transported by sea, air or train, little goods or spare parts will be transported by specific.
3) You can decide on your own freight forwardwe as nicely.
four) Doorway to Doorway Delivery to conserve your strength and time. We are going to just take the all dangers during transportation.
Transport Specifics

one) The us:3-8 working days.
two) ASIAN:3-8 doing work days.
three) EUROPE:5-ten doing work times.
4) OCEANIA:4-9 functioning days.
five) AFRICA:7-13woring day.

 

Firm Profile

i’an Xihu (West Lake) Dis. Biotechnology Co., Ltd, is a famous producer of Lab products found in the central China. Now has XIHU (WEST LAKE) DIS., TKA 2 effectively-recognized model trademarks. The primary goods incorporate extremely-higher temperature and high pressure reactor, large stress photochemical reactor, supercritical substantial stress reactor, large pressure glass reactor, micro higher stress reactor, high force ultrasonic reactor, Ultra-high temperature hydrothermal synthesis reactor, photocatalytic reactor, visual catalytic reactor, hydrothermal synthesis reactor, rotary evaporator, parallel synthesis reactor, substantial and low temperature circulator, high and lower temperature higher stress tubular reactor and other gear and so on.

Specialize in this discipline for a lot more than twenty many years,TKA brand instrument has own substantial track record in far more than 70 international locations and regions, offer technical assistance for tens of hundreds organizations to remedy problems inside of their investigation, special for college, analysis institutes, industries, inspection companies, etc. Selling engineering progress and bettering human existence is TKA social mission.

 

Exhibition Demonstrate

Certifications

FAQ

Q1:Are you trading organization or maker?
A1:We are specialist manufacture of lab gear and we have our personal manufacturing unit which is a substantial-tech company integrating R&D, manufacturing and sales. And welcome to check out our factory.

Q2: How lengthy is your delivery time?
A2: Generally, supply time is thirty-45 times after obtaining your payment.

Q3:How to shipping the replacement elements?
A3:We will in accordance the real circumstance to pick the suitable transport approaches. For little elements we shippin by Categorical.

This autumn: How about your good quality guarantee ?
A4: Normally all TKA goods are provided with a guarantee of 12 Months from the date of shipment.

Q5: Do you settle for OEM and ODM orders?
A5: Sure,We settle for.

Q6:What is your conditions of payment?
A6:Payment≤15,000USD, 100% in progress. Payment≥15,000USD, 70% T/T in progress, harmony before cargo.
(If you are anxious about payment stability for the first purchase, we suggest you can place Trade Assurance Get by way of Produced in China. you will get one hundred% payment refund if we can not fulfill agreed supply time.)

Q7:Can we pay a visit to your factory?
A7: Welcome check out our manufacturing facility.

US $100-1,658
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Online Technical Support
Warranty: 1year
Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: High Vacuum

###

Customization:

###

Model 2XZ-0.5 2XZ-1 2XZ-2
2XZ-2B
2XZ-4
2XZ-4B
2XZ-6B 2XZ-8B 2XZ-15B
Pump rate (L/S)  m3/h 0.5 1 2 4 / 14.4 6 8 15
Ultimate pressure 
(Pa)
Partial pressure ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2
Full pressure ≤1.33 ≤1.33 ≤1.33 ≤1.33 ≤1.33 ≤1.33 ≤1.33
Rotary speed(r/min) 1400 1400 1400 1400 1400 1400 1400
Working voltage(V) 220 220 110/220/380 110/220/380 110/220/380 110/220/380 110/220/380
Motor power(Kw) 0.18 0.25 0.37 0.55 0.75 1.1 1.5
Inlet port diameter (OD)  (mm) Φ20 Φ20 Φ30 Φ30 Φ40 Φ40 Φ40
KF-16 KF-16 KF-25 KF-25 KF-25 KF-25 KF-25
Noise(dBA) 65 58 62 66 66 66 66
Oil capacity (L) 0.6 0.75 1 1 2 3 4
Oil temperature rising (°C) 40 45 45 ≯45 ≯45 ≯45 ≯45
Dimensions(mm) 440×140×240 460×140×240 480×140×240 520×140×250 565×200×342 650×240×430 770×240×430
GW/NW(Kg) 17/16 17/16 22/20 24/22 45/40 65/60 65/60
US $100-1,658
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Online Technical Support
Warranty: 1year
Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: High Vacuum

###

Customization:

###

Model 2XZ-0.5 2XZ-1 2XZ-2
2XZ-2B
2XZ-4
2XZ-4B
2XZ-6B 2XZ-8B 2XZ-15B
Pump rate (L/S)  m3/h 0.5 1 2 4 / 14.4 6 8 15
Ultimate pressure 
(Pa)
Partial pressure ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2
Full pressure ≤1.33 ≤1.33 ≤1.33 ≤1.33 ≤1.33 ≤1.33 ≤1.33
Rotary speed(r/min) 1400 1400 1400 1400 1400 1400 1400
Working voltage(V) 220 220 110/220/380 110/220/380 110/220/380 110/220/380 110/220/380
Motor power(Kw) 0.18 0.25 0.37 0.55 0.75 1.1 1.5
Inlet port diameter (OD)  (mm) Φ20 Φ20 Φ30 Φ30 Φ40 Φ40 Φ40
KF-16 KF-16 KF-25 KF-25 KF-25 KF-25 KF-25
Noise(dBA) 65 58 62 66 66 66 66
Oil capacity (L) 0.6 0.75 1 1 2 3 4
Oil temperature rising (°C) 40 45 45 ≯45 ≯45 ≯45 ≯45
Dimensions(mm) 440×140×240 460×140×240 480×140×240 520×140×250 565×200×342 650×240×430 770×240×430
GW/NW(Kg) 17/16 17/16 22/20 24/22 45/40 65/60 65/60

Types of Pulley Systems

If you’ve ever tried to lift a pail of water, you’ve probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.

two-wheel pulley

Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with two wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on one side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with two wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.
pulley

composite pulley

Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from two different types of wheels. The first one is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are three types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds one percent of the total weight, and the ideal mechanical advantage is two or more. So a compound pulley with four segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of two wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the two wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.
pulley

Fixed pulley

Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at one end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn’t change direction, so it’s easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.
pulley

Blocks and tackles

A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use two types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the two pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses two pulleys to lift the load. The mechanical advantage of such a system is two to three times the distance required by the rope to move the load. Depending on how they’re assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.

China Laboratory Mini 62 Dba Oil Silent Multistage Rotary Vane Lab Vacuum Pump     supplier China Laboratory Mini 62 Dba Oil Silent Multistage Rotary Vane Lab Vacuum Pump     supplier
editor by czh 2022-11-26

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Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes, bolt-on hubs, pto shaft, agricultural gearboxes,torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint, rod ends and yokes.

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OEM

Model Number:

ZJ ZJB

Place of Origin:Zhejiang, China
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Pressure:

high vacuum

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OIL DIFFUSION

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Theory:

Vacuum Pump

Usage:

make VACUUM

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Port
ningbo/shanghai

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Components: 1. Housing: Die-cast Aluminum Alloy Gearbox (RV025~RV090) Cast Iron Gearbox (RV110~RV150) 2. Worm Wheel: Wearable Tin (Stannum) Bronze Alloy, Aluminum Bronze Alloy 3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding 4. Input Configurations: Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor) IEC B5/B14 Motor Flange NEMA C Frame Motor Flange Solid Shaft Input 5. Output Configurations: Keyed Hollow Shaft Output Hollow Shaft with Output Flange Plug-in Solid Shaft Output 6. Options: Worm Shaft Rear Extension, Single Output Shaft, Double Output Shaft, Output Flange, Torque Arm, Dust Cover 7. Gearbox Painting: Aluminum Alloy Gearbox: After Shot Blasting, Anticorrosion Treatment and Phosphating, Paint with the Color of RAL 5010 Gentian Blue or RAL 7035 Light Grey We are Manufacturer of: Vacuum pumps of spiral slice type, Rotary Piston vacuum pumps, Roots Vacuum pumps, Gas-Cooling Roots Vacuum pumps, Rotary Vane Vacuum Pumps, Water ring Vacuum Pumps, Reciprocating vacuum pumps and Vacuum valves and check values and other related vacuum products and system. mini vacumm air compressor pump,k2,k3,k4,k5

 

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Belt Drive 2X rotary vane Vacuum pumps

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Related products

vacuum series

Air source processing elements

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Due to limitation of website, we did not included all size and pictures, For more details: Pls contact us for more info….

 

 

 

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mini vacuum air compressor pump 

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mini vacuum air compressor pump 

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mini vacuum air compressor pump

mini vacuum air compressor pump

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Material available

Surface treatment

Heat treatment

Low carbon steel, C45, 20CrMnTi, 42CrMo, 40Cr, stainless steel. Can be adapted regarding customer requirements.

Blacking, galvanization, chroming, electrophoresis, color painting, …

High frequency quenching heat treatment, hardened teeth, carbonizing, nitride, …

Best China manufacturer & factory mini vacuum air compressor pump With high quality best price

Best China manufacturer & factory mini vacuum air compressor pump With high quality best price

Best China manufacturer & factory mini vacuum air compressor pump With high quality best price