China Africa Market Hanging Rollers 4 Wheels for Barn Door, Steel Door Hanging Roller Pulley pulley design

Item Description

Solitary Bearing Trapezoid Gate Wheel

Design A B C D E Excess weight
(Y)
Units:g
Excess weight
(U)
Units:g
Bodyweight
(V)
Models:g
30×11 35 eleven thirty 45 seventeen * * sixty three
40×14 forty five fourteen 38 seventy five twenty five 192 185 194
50×15 55 15 48 75 twenty five 253 244 263
50×15 60 15 48 85 thirty 303 292 302
60×17 sixty five twenty 58 eighty five thirty four hundred 395 410
70×20 80 20 sixty eight 100 35 640 640 665
80×20 eighty five twenty 48 100 35 805 785 825
90×20 a hundred 20 88 133 35 1130 1121 1145
100×20 105 twenty ninety eight 133 35 1350 1338 1363
The information is calculated by hand, probably there are some glitches, just for reference.

Double Bearing Gate Wheel

Design A B C D E Fat(Y) Fat(U)
50MM 55 26 48 85 thirty 324 320
60MM sixty five 30 58 85 30 617 580
70MM 80 32 sixty eight 100 35 977 954
80MM eighty five 32 48 a hundred 35 1260 1223
90MM 100 32 88 133 35 1788 1760
100MM a hundred and five 32 98 133 35 2100 2078
The data is calculated by hand, perhaps there are some glitches, just for reference.

Laminated Gate Wheel

Model A B C D Excess weight(Y/V) Excess weight(U)
50mm forty eight 15 100 26 260 250
60mm fifty eight seventeen 100 26 390 360
70mm sixty eight 20 136 33 590 570
80mm seventy eight twenty 136 33 750 725
90mm 88 20 152 33 1060 1030
100mm 98 20 152 33 1265 1225
The info is measured by hand, perhaps there are some problems, just for reference.

Hang Gate Wheel

 Model A B C D E F G H I
H25 fifty one twenty five M9*fifty 9 95 seventy nine 25 6 27
H38 86 38 M12*70 11 one hundred twenty 118 38 10 32
H55 115 fifty five M20*85 14 140 159 44 10 fifteen
The data is measured by hand, perhaps there are some errors, just for reference.

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

      We have already had nealy a 10 years producting and exporting knowledge. Considering that 2014, we have offered our goods to dozens of countries all around the globe. And we have proven a deep cooperative relationship with many clients. 
      We make our products with coronary heart, try to deliver the ideal top quality for buyers. So we obtained a whole lot of client acceptance. After that, we will also strictly control, down-to-earth, and forge forward.

        1.ZheJiang Joinwin Hardware and Resources Co., Ltd. we have ten a long time manufacturing and exporting knowledge which ranks amongst the greatest in China. Primarily revenue pliers, spanners, scissors, saws, screwdrivers, wheels, sillicone sealant, tapline and other hand resources. 
        2.Situated in HangZhou the place is just 180km far from HangZhou Port and a lot of raw materials factories close to, tremendously minimizes transportation and procurement costs.
        3.We have specialist income and engineers to supply happy support to consumers. Our company covers an region of one thousand sq. meters, has the most superior generation tools and technology.      
        4.Client initial, team work, embrace adjust, honest are our firm tradition.      
        5.We goal to provide clients a lot more security and convenient existence.

              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: Of course, the samples are normally free of charge for customers.

Q2: Can you offer OEM provider?
A2: Of course, we can make the goods according to clients’ requires.

Q3: How can you assure the good quality?
A3: We have sophisticated tools and skilled engineer and quality inspector to make certain the high quality of the items. And we will send further merchandise for insurance policy. Apart from, we have happy following-services.

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

Q5: How long you will end my order?
A5: Totally in 30 days. (The specific circumstance depends on the generation routine of the production division.)

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.

The benefits of using pulleys

A pulley is a mechanical device that converts force into rotation. There are many advantages to using pulleys. Let’s take a look at a few of them. This article will describe the advantages, types, applications, and power sources of pulleys. You can then choose the pulley that best suits your specific needs. If you’re looking for a new tool to help you with a certain task, this article is for you.
pulley

Mechanical advantage

The mechanical advantage of a pulley can be defined as the ratio of applied force to the applied force. The mechanical advantage of a pulley can be calculated by considering several factors, including weight and friction. It can be calculated by the force applied per unit length of rope and the number of pulleys used. In a single-circuit system, the force required to lift a heavy object is equal to the user’s body weight.
The mechanical advantage of a pulley can be realized by comparing it to a seesaw. Both uses of rope are suitable for lifting objects. A rope four times heavier than a kilo is four times as effective. Because the forces on both sides of the pulley are equal, a small force is enough to move a large weight a short distance. The same force can be applied to a large mass to lift it several meters.
After introducing the concept of mechanical advantage, learners will practice using the pulley system. In addition to testing the pulley system, they should also calculate its mechanical advantage. Using either the instructor-provided handout or the learner’s workbook, students will determine how easily the pulley system functions. Once they have completed the test, they can discuss their results and how the system can be improved. These courses are best completed as part of a mini-unit or as a standalone main course.
The mechanical advantage of the pulley system is proportional to the number of rope loops. This circuit requires the same force as the dual circuit to lift heavy objects. A single lap requires only a third of the force to lift a double lap, while three laps require almost half the energy required for a single lap. The mechanical advantage of the pulley system becomes constant as the number of cycles increases.
The 3:1 Mechanical Advantage system feels like lifting a 300-pound load with three feet of rope. The three-foot-long rope moves the load one foot high. Understanding the mechanical advantages of pulleys is critical for rescuers when trying to create the perfect pulley system. Ideally, the pulley system will be anchored to a nearby rock, tree, pole or person – if the weight is not too heavy.
pulley

Types of pulleys

There are several types of pulleys. V-belt pulleys are the type commonly used in vehicles and electric motors. “V” pulleys require a “V” belt, and some even have multiple V grooves. “V” pulleys are often used in heavy duty applications for power transmission because they reduce the risk of power slippage.
Composite pulleys combine the properties of fixed and movable pulleys. Compound pulleys are able to change the direction of force while requiring relatively low force to move even the heaviest loads. Mechanical advantage is a measure of the effectiveness of a machine or equipment. It can be divided into three categories: force, distance and mechanics. Once you understand how each type works, you can design complex machines.
Fixed pulleys: These pulleys are the most basic type of pulleys. They use ropes and slotted wheels to move with the lifted object. Because they are so simple to set up, lifting heavy objects is a breeze. Although the moving object feels light, it is actually heavier than it actually is. These pulleys are used in construction cranes, utility elevators and many different industries.
Compound Pulley System: A pulley pulley is a combination of two fixed pulleys and one movable pulley. Compound pulley systems are effective for moving heavy objects because they have the largest force multipliers and are flexible enough to change the direction of the force as needed. Composite pulley systems are commonly used in rock climbing, theater curtains and sailing. If you’re looking for a pulley system, you can start by evaluating the types of pulleys and their uses.
Construction Pulleys: These are the most basic types of pulleys and have wheel rails. These pulleys can be lifted to great heights and attached to chains or ropes. They allow workers to access equipment or materials from greater heights. They are usually mounted on wheels with axles and secured with ropes. They are essential tools for construction workers. There are many different types of pulleys out there.

energy source

Belts and pulleys are mechanical devices used to transmit energy and rotational motion. The belt is connected to the rotating part of the energy source, and the pulley is mounted on the other. One pulley transmits power to the other, while the other changes the direction of the force. Many devices use this combination, including automobiles, stationary generators, and winches. It is used in many home applications, from conveyors to treadmills. Pulleys are also used for curtains in theater halls.
Pulley systems are an essential part of modern industry and everyday life. Pulleys are used in elevators, construction sites and fitness equipment. They are also used in belt-driven generators as backup power. Despite their simple and seemingly humble beginnings, they have become a versatile tool. From lifting heavy objects to guiding wind turbines, pulley systems are widely used in our daily lives.
The main reason why pulleys are so popular is the mechanical advantage they offer. They can lift a lot of weight by applying very little force over longer distances. For example, a small motor can pull 10 meters of cable, while a large motor can pull 1 meter. Also, the work done is equal to the force times the distance traveled, so the energy delivered to the large motor is the same.
The power source for the pulley system can be cables, belts or ropes. The drive element in a pulley system is usually a rope or cable. A belt is a loop of flexible material that transmits motion from one pulley to another. The belt is attached to the shaft and a groove is cut in the pulley. The belt then transfers energy from one pulley to the other through the system.
pulley

application

A pulley is a mechanical device used to lift heavy objects. They reduce the amount of work required to lift heavy objects and are an excellent choice for many applications. There are several different applications for pulleys, including elevators, grinders, planters, ladder extensions, and mountaineering or rock climbing. Let’s take a look at some of the most popular uses for pulleys in modern society. These include:-
A pulley is a mechanical device that changes force. To use, you wrap the rope around it and pull down to lift the object. While this device is very useful, a major limitation of using pulleys is that you still have to apply the same force to lift the object as you would without the pulleys. This is why people use pulleys to move large objects like furniture and cars.
In addition to lifting heavy objects, pulleys are used in elevators, flagpoles and wells. These systems allow people to move heavy objects without straining their backs. Many other examples of pulleys in the home include garage doors, flagpoles, and elevators. They also help raise and lower flagpoles, which can reach several stories high.
There are two basic types of pulleys: movable and fixed. Fixed pulleys are attached to a ceiling or other object using two ropes. Modern elevators and construction cranes use movable pulleys, as do some weight machines in gyms. Composite pulleys combine movable and fixed pulleys to minimize the force required to move heavy objects.
Another type of fixed pulley is the flagpole. A flagpole can support a country, organization, or anything else that needs to be lifted. A taller flagpole creates a prouder moment for those who support it. The operation of the rope and pulley mechanism is very simple. The user simply attaches the flag to the rope, pulls the pulley, and he or she can watch the flag rise and unfold.

China Africa Market Hanging Rollers 4 Wheels for Barn Door, Steel Door Hanging Roller Pulley     pulley design	China Africa Market Hanging Rollers 4 Wheels for Barn Door, Steel Door Hanging Roller Pulley     pulley design
editor by czh 2022-12-09

pulley spacer

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