China Hot selling Return Flat Roller Set Idler Set for Mining Belt Conveyor Machine Converying Equipment Form China Manufacturer with Best Sales

Product Description

Product Description

Roller is an important component of belt conveyor.It has many kinds and large quantity,can support conveyor belt and material weight.

 

 Product Specification
 Model NO.  Steel roller
 Diameter  89-159mm
 Length  190-1500mm
 Material  Carbon steel
 Seal  Multiple labyrinth seal
 Bearing type  Deep Grove ball bearing
 Gurantee  12 months
 Color  Customized
 Certificate  ISO,CE
 Advantages  waterproof,dustproof,smooth running,no noise,rotational resistance, axial float, shaft radial play

 

Features:

A) Bearing: deep groove ball and double sealing bearing 2RZ and 2Z with C3 clearance;

B) Sealing: multi-stage labyrinth seals achieve waterproof and dust proof 

C) Lubrication: Grease is Lithium soap type grease with Rust Inhibitors, grease is permanent lubricant.

D) Color: roller surface could be painted any color as per customer request.

E) Each roller would be through strict inspection and test to ensure every out coming roller is of true high quality;

Detailed Photos

1. Seal assembly
The seal assembly of idler is made of nylon, and the structural from is non-contact labyrinth seal structure.
The inner and outer seals from a labyrinth passage with high precision, and the passage is filled with long-acting lithium-based grease, so that the idler has good waterproof and dustproof performance.

2. Bearing
The bearing of Idler adopts special C3 clearance grade deep groove ball bearing.
Before assembly, the bearing of idler has been filled with lithium base grease and sealed permanently on both sides, which can realize lifetime maintenance free and extend the service life of the bearing.

3. Shaft
The shaft of idler adopts high precision cold drawn round steel after quenching and tempering treatment. Advanced Chamfer milling machine is used to perform accurate machining at both ends of the shaft, so as to ensure that the axial displacement of the idler is almost zero.

4. Bearing housing
The fabrication of the bearing housing consists of a multi-stage precision automatic pressing operation, which ensure high accuracy of bearing and sealing position.
The idler pipes and bearing housing at both ends are 3mm fully fillet welded at the same time trough CO2 gas shield double-gun automatic welding machine, which gives a minimum of 70% weld penetration,and ensures that the idler even under the high load and high speed operation, still strong and durable.

5. Shell
The shell of idler adopts special ratio-frequency welded pipe with small bending degree and small ellipticity.
The advanced steel tube chamfer cutting off tool machine is used for predsemachining of both ends of pipe, which can effectively guarantee the concentricity of idlers and minimize the rotation resistance of idlers
 

Product Parameters

Technology Specification
D d

Bearing

Model

L b h f

Weight

(kg)

D d

Bearing

Model

L b h f

Weight

(kg)

89 20 4G204 200 14 6 14 2.79   133 25 4G205 380 18 8 17 7.84
250 2.98 465 9.24
315 3.58 600 11.48
465 5.24 700 13.44
600 6.48 1150 20.6
750 7.87 1400 24.61
950 9.72 4G305 380 8.21
25 4G205 8 18 17 11.21 465 9.62
108 20 4G204 315 14 6 14 4.46 530 10.7
465 6.07 600 11.86
950 11.27 700 13.51
25 4G205 315 18 8 17 5.07 800 15.17
380 5.86 1150 20.97
465 6.89 1400 24.99
600 8.53 1600 28.44
700 9.74 30 4G306 465 11.34
950 12.77 530 12.54
1150 13.99 800 17.48
1400 15.62 1400 26.75
4G305 380 6.23 1600 31.38
465 7.26 159 25 4G205 465 11.58
530 8.05 700 16.52
600 8.9 1400 31.09
700 10.11 4G305 465 12.02
800 11.32 530 13.84
950 13.14 700 16.95
1150 15.57 800 19.06
1400 18.47 1400 31.52
1600 21.02 1600 35.85
30 4G306 465 22 8.57 30 4G306 465 22 13.76
530 9.47 530 15.23
800 13.2 800 21.36
1400 21.49 1400 34.98
1600 24.26 1600 39.51

  Quality design and build

  Our focus on quality starts with sourcing only the best raw materials, rejecting anything that falls outside our strict tolerances.During manufacture your order is checked at each stage before passing through to the next process. This also contributes to our ability to meet orders on time.
 

Packaging & Shipping

Company Profile

 

FAQ

 

Q: Are you a factory or trading company?

A: We are a factory and have export license. Besides, our factory has a number of product lines to provide products with stable production capacity for customers in delivery time.

 

Q: What information shall I provide in order to confirm the conveyor carrying rollers order?

A: We work with technical drawings for any non-standard products. If the order is for standard parts, you only have to provide us with the part number so we may define the parts of the order.

 

Q: How does your factory do regarding to quality control?
A: Quality is priority. We always attach great importance to quality control from beginning to the end of the
production. Every batch rollers will be carefully inspected before it’s packed for shipment.

 

Q: Do you have the products in stock?
A: No. All rollers are produced according to your order.

 

Q: Can I order a sample?
A: Of course. We can offer regular model roller sample for free, but the freight cost shall be borne by your side. If you want
customized model sample, we’d like you to bear the charge for sample and freight.

Q:Hong long is your delivery time?
A:Normally 7-30 days ,it depends on your quantity.For Decent order , we have flexible adjustment to ensure the delivery time.

If you do not see the question you are looking for, please contact us for further assistance.

Contact Person: Lisa Lee
 
 

What Is a Pulley?

The pulley is a wheel mounted on a shaft or axle. Its purpose is to support the movement of a cable that is taut. This cable transfers power to a shaft. However, there are certain safety precautions that you should follow when using a pulley. Read on to learn more! Listed below are common uses and their main parts. Listed below are some of the benefits of using a pulley.
pulley

Common uses of a pulley

A pulley is a common mechanical device used to increase the force needed to lift a heavy object. Most commonly, these devices are used in construction equipment. These machines use high-10sion ropes to transfer heavy objects from 1 floor to another. Other common uses of a pulley include buckets and flagpoles. These devices are extremely useful in a wide range of applications. To learn more about the common uses of pulleys, keep reading.
A pulley is a wheel with grooves for holding rope. Its purpose is to change the direction and point at which a pulling force acts. It is usually used in sets to reduce the amount of force needed to lift a load, but the work involved is similar. Pulleys are also used in rock climbing devices. For many applications, a pulley is a vital part of construction.
The most common use of a pulley involves hoisting and lowering a flag. Other examples include clotheslines, bird feeders, and escalators. Pulleys are also commonly used on oil derricks. Many other common applications include hoisting and lowering garage doors. Pulley systems are also used in engines and cranes. For more information, check out our interactive pulley diagram!
Pulleys can also be used to lower total work required for a task. In many cases, a pulley will consist of 2 parts: the pulley hub and the shaft pulley. The hub clamps the shaft pulley, while the pulley itself is connected to the motor or other device. If you’re looking for a pulley, it’s important to learn how it works.
The most common uses for a pulley involve lifting heavy objects, and the mechanism used to lift them is known as a pulley. A pulley is an industrial device that uses 2 wheels to reduce the force needed to lift a weight. The pulley reduces this force by half by allowing the user to pull on the rope 4 times as far. The pulley also allows for a smaller lifting distance.

Main parts of a pulley

A pulley consists of the main element of a system. This is typically a cable, rope, belt, or chain. There are 2 basic types of pulleys – a Driver Pulley and a Follower Pulley. Pulleys are available in small and large sizes. The periphery part of the pulley is called the Face, and the protruding middle part is called the Crown. A pulley’s face can be round, rectangular, or even “V” shaped.
The first pulley was created by the Greek mathematician Archimedes in the third century BCE. These simple machines are made of a rope, an axle, and a wheel. The pulley’s end is attached to a person, object, or motor. These machines can be used in various tasks to lift heavy objects. The pulley is a great mechanical advantage for any lifter.
The ideal mechanical advantage of a pulley is defined by the number of rope segments that pull an object. The higher the number of loops on the rope, the higher the mechanical advantage. The greater the mechanical advantage, the less force is required to move the object. Likewise, the greater the distance the rope traverses, the higher the mechanical advantage of a pulley. There are several different types of pulley, depending on their combination of rope, wheel, and rope.
The basic components of a pulley are the face and hub, and the rope is threaded into the center of the pulley. The pulley is usually made of a rope and can be used to lift heavy weights. It can also be used to apply great force in any direction. Step pulleys have multiple faces, which are fixed in sequence. They can also increase the speed of the driven pulley.
A pulley is a simple machine consisting of a wheel, rope, or chain. These parts are crucial for making moving and lifting easier. Because they change the direction and magnitude of force, they can be a useful tool. Some pulleys even change direction. You can learn more about the pulley by downloading this resource today. The resources are designed to support the new 9-1 GCSEs in Design & Technology and Engineering.
pulley

Mechanical advantage

Pulleys have been used to move heavy objects for centuries. When 2 rope sections are used, the weight of a 100kg mass can be moved with only 500 newtons of force. Adding an extra pulley increases the mechanical advantage. If the pulley has 2 wheels, the distance between the rope sections and the wheel grooves is only half the distance, but the mechanical advantage still applies. Adding another pulley increases the mechanical advantage, but can be risky.
Mechanical advantage is the ratio of force used versus force applied. The calculations are made under the assumption that the ropes and weights do not elongate or lose energy due to friction. If the weights are very light, the mechanical advantage is greater than that in the real world. To calculate the mechanical advantage, the weight of the load to be lifted must be the same as the weight of the person using the pulley.
A single moveable pulley has a mechanical advantage of two. The weight passes around the pulley, and 1 end of the rope is attached to a fixed point. The pulling force is then applied to the other end of the rope. The distance the weight travels doubles, or halved, depending on the direction of the pulley. Adding a second pulley reduces the distance and the effort required to lift it.
There are several ways to calculate the mechanical advantage of a pulley system. Some methods are specific to certain types of systems, while others work for all systems. The T-Method is a good choice in many applications, as it calculates the units of tension for each rope segment. Once you have determined the input force, you need to determine the maximum force that will be applied to each component. A compound pulley, for example, will require 4 units of tension for each rope segment.
In simple terms, the effort is the amount of force needed to lift the load. This force is measured in newtons (N). A mechanical advantage is often presented without units. If the student does not have this unit, you may need to convert the units to newtons, since 1 kilogram is equal to 10 newtons. If you can’t figure out the units of effort, you can use the KWL chart provided by the teacher.
pulley

Safety precautions

There are a few safety precautions you should take when using a pulley. First, always check the SWL (safe working load) before attaching anything to the pulley. This indicates the maximum weight and angle the pulley can safely handle. Second, make sure that your work area is free from people and debris. Third, wear a hard hat to protect your head from blows and falling objects.
Another important consideration is anchoring. Although the pulley reduces the weight of an object, it is not enough to eliminate the weight. This is especially true if you are hoisting a heavy object, such as a motorcycle or lawnmower. It is important to ensure that the anchoring point can support the entire weight of the load. It is also important to follow proper anchoring procedures when using a pulley to lift a motorcycle or lawnmower.
In addition to the safety latch, you should use a tag line to control the suspended load. Remember that a chain pulley block is necessary for vertical lifting. You should also wear personal protective equipment (PPE) while using a pulley to avoid injuries. If your workplace does not have an PPE policy, you should consider implementing a similar policy. These safety guidelines are a good start.
If you are using a pulley to lift heavy objects, make sure to wear gloves. Those who are not familiar with rope-pulling will have an easier time demonstrating how it works. If you are using a rope-pulley system in a classroom, be sure to follow lab safety guidelines. Wear cloth gloves, clear the area, and do not jerk the rope. In addition, never allow yourself to be pulled into the rope by an unfamiliar person.
Another important safety precaution when using a pulley is to ensure that the anchor point for your system is adequate to support the weight of the object being lifted. Check with the manufacturer of the pulley to find out what its weight limit is, as some types of pulleys are designed to lift much heavier weights than others. It is important to follow all manufacturer’s instructions when using a pulley.

China Hot selling Return Flat Roller Set Idler Set for Mining Belt Conveyor Machine Converying Equipment Form China Manufacturer   with Best SalesChina Hot selling Return Flat Roller Set Idler Set for Mining Belt Conveyor Machine Converying Equipment Form China Manufacturer   with Best Sales