China Super Large Bearing Rail Pulley, Metal Roller Movable Door Pulley supplier

Merchandise Description

Solitary Bearing Trapezoid Gate Wheel

Product A B C D E Weight
(Y)
Units:g
Bodyweight
(U)
Units:g
Fat
(V)
Models:g
30×11 35 11 thirty forty five seventeen * * sixty three
40×14 forty five fourteen 38 75 twenty five 192 185 194
50×15 fifty five fifteen forty eight 75 twenty five 253 244 263
50×15 60 15 48 85 30 303 292 302
60×17 sixty five 20 58 85 thirty 400 395 410
70×20 80 20 68 one hundred 35 640 640 665
80×20 eighty five twenty forty eight a hundred 35 805 785 825
90×20 a hundred twenty 88 133 35 1130 1121 1145
100×20 one hundred and five 20 98 133 35 1350 1338 1363
The knowledge is measured by hand, perhaps there are some errors, just for reference.

Double Bearing Gate Wheel

Design A B C D E Weight(Y) Fat(U)
50MM 55 26 forty eight eighty five thirty 324 320
60MM 65 thirty 58 85 thirty 617 580
70MM eighty 32 68 100 35 977 954
80MM eighty five 32 forty eight one hundred 35 1260 1223
90MM one hundred 32 88 133 35 1788 1760
100MM one hundred and five 32 98 133 35 2100 2078
The knowledge is calculated by hand, possibly there are some errors, just for reference.

Laminated Gate Wheel

Design A B C D Weight(Y/V) Excess weight(U)
50mm 48 15 one hundred 26 260 250
60mm fifty eight 17 a hundred 26 390 360
70mm sixty eight 20 136 33 590 570
80mm 78 20 136 33 750 725
90mm 88 20 152 33 1060 1030
100mm ninety eight twenty 152 33 1265 1225
The data is measured by hand, maybe there are some mistakes, just for reference.

Hold Gate Wheel

 Model A B C D E F G H I
H25 fifty one twenty five M9*50 9 ninety five seventy nine 25 6 27
H38 86 38 M12*70 11 120 118 38 10 32
H55 a hundred and fifteen fifty five M20*85 fourteen one hundred forty 159 forty four ten fifteen
The information is measured by hand, probably there are some glitches, just for reference.

Triangle Gate Wheels/ Rotation Gate Wheels/ Hanging Wheels/ White Zinc Gate Wheels/ Doule Wheels Double Bearing Gate Wheel

      We have previously had nealy a ten years producting and exporting expertise. Because 2014, we have bought our products to dozens of countries all about the planet. And we have proven a deep cooperative connection with numerous customers. 
      We make our goods with coronary heart, attempt to carry the very best good quality for buyers. So we acquired a good deal of customer acceptance. After that, we will also strictly management, down-to-earth, and forge forward.

        1.ZheJiang Joinwin Hardware and Instruments Co., Ltd. we have ten many years production and exporting experience which ranks amid the very best in China. Mostly product sales pliers, spanners, scissors, saws, screwdrivers, wheels, sillicone sealant, tapline and other hand tools. 
        2.Located in HangZhou where is just 180km significantly from HangZhou Port and many raw content factories all around, greatly lowers transportation and procurement costs.
        3.We have skilled product sales and engineers to provide pleased support to clientele. Our business addresses an spot of a thousand sq. meters, has the most innovative generation equipment and technological innovation.      
        4.Customer initial, team operate, embrace change, honest are our firm society.      
        5.We purpose to give clientele far more security and practical daily life.

              Pliers                 Adjustable Wrench  Combination Spanners         Hammers               Pruner Scissors        Aviation Tin Snips
      Screwdrivers                    Padlocks                   Hand Saws                       Axe                 Silicone Sealant 
Q1: Can I get a sample?
A1: Yes, the samples are normally free for customers.

Q2: Can you provide OEM provider?
A2: Indeed, we can generate the items according to clients’ requires.

Q3: How can you promise the quality?
A3: We have superior products and specialist engineer and good quality inspector to make certain the high quality of the products. And we will send further goods for insurance policies. Aside from, we have content following-provider.

This fall: What is the MOQ?
A4: 500 PCS.

Q5: How prolonged you will complete my order?
A5: Absolutely in thirty times. (The certain situation is dependent on the creation routine of the creation office.)

US $0.3-1.2
/ Piece
|
500 Pieces

(Min. Order)

###

Certification: CE
Splittable: Splittable
Surface Treatment: Zinc Plated
Material: Metal
Color: Customized
Logo: Customized

###

Samples:
US$ 0.01/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Model A B C D E Weight
(Y)
Units:g
Weight
(U)
Units:g
Weight
(V)
Units:g
30×11 35 11 30 45 17 * * 63
40×14 45 14 38 75 25 192 185 194
50×15 55 15 48 75 25 253 244 263
50×15 60 15 48 85 30 303 292 302
60×17 65 20 58 85 30 400 395 410
70×20 80 20 68 100 35 640 640 665
80×20 85 20 48 100 35 805 785 825
90×20 100 20 88 133 35 1130 1121 1145
100×20 105 20 98 133 35 1350 1338 1363
The data is measured by hand, maybe there are some errors, just for reference.

###

Model A B C D E Weight(Y) Weight(U)
50MM 55 26 48 85 30 324 320
60MM 65 30 58 85 30 617 580
70MM 80 32 68 100 35 977 954
80MM 85 32 48 100 35 1260 1223
90MM 100 32 88 133 35 1788 1760
100MM 105 32 98 133 35 2100 2078
The data is measured by hand, maybe there are some errors, just for reference.

###

Model A B C D Weight(Y/V) Weight(U)
50mm 48 15 100 26 260 250
60mm 58 17 100 26 390 360
70mm 68 20 136 33 590 570
80mm 78 20 136 33 750 725
90mm 88 20 152 33 1060 1030
100mm 98 20 152 33 1265 1225
The data is measured by hand, maybe there are some errors, just for reference.

###

 Model A B C D E F G H I
H25 51 25 M9*50 9 95 79 25 6 27
H38 86 38 M12*70 11 120 118 38 10 32
H55 115 55 M20*85 14 140 159 44 10 15
The data is measured by hand, maybe there are some errors, just for reference.
US $0.3-1.2
/ Piece
|
500 Pieces

(Min. Order)

###

Certification: CE
Splittable: Splittable
Surface Treatment: Zinc Plated
Material: Metal
Color: Customized
Logo: Customized

###

Samples:
US$ 0.01/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Model A B C D E Weight
(Y)
Units:g
Weight
(U)
Units:g
Weight
(V)
Units:g
30×11 35 11 30 45 17 * * 63
40×14 45 14 38 75 25 192 185 194
50×15 55 15 48 75 25 253 244 263
50×15 60 15 48 85 30 303 292 302
60×17 65 20 58 85 30 400 395 410
70×20 80 20 68 100 35 640 640 665
80×20 85 20 48 100 35 805 785 825
90×20 100 20 88 133 35 1130 1121 1145
100×20 105 20 98 133 35 1350 1338 1363
The data is measured by hand, maybe there are some errors, just for reference.

###

Model A B C D E Weight(Y) Weight(U)
50MM 55 26 48 85 30 324 320
60MM 65 30 58 85 30 617 580
70MM 80 32 68 100 35 977 954
80MM 85 32 48 100 35 1260 1223
90MM 100 32 88 133 35 1788 1760
100MM 105 32 98 133 35 2100 2078
The data is measured by hand, maybe there are some errors, just for reference.

###

Model A B C D Weight(Y/V) Weight(U)
50mm 48 15 100 26 260 250
60mm 58 17 100 26 390 360
70mm 68 20 136 33 590 570
80mm 78 20 136 33 750 725
90mm 88 20 152 33 1060 1030
100mm 98 20 152 33 1265 1225
The data is measured by hand, maybe there are some errors, just for reference.

###

 Model A B C D E F G H I
H25 51 25 M9*50 9 95 79 25 6 27
H38 86 38 M12*70 11 120 118 38 10 32
H55 115 55 M20*85 14 140 159 44 10 15
The data is measured by hand, maybe there are some errors, just for reference.

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 Super Large Bearing Rail Pulley, Metal Roller Movable Door Pulley     supplier China Super Large Bearing Rail Pulley, Metal Roller Movable Door Pulley     supplier
editor by czh 2023-01-18