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
 
 

Why Timing Belts Are So Important

What is a timing belt? A timing belt is a toothed synchronous belt that transfers rotary motion from the central motor to the drive pulley. Newer cars often have a synchronous timing belt to increase efficiency. Compared to traditional belts, these are quieter and more efficient. However, they do have their drawbacks. In this article, you'll learn why timing belts are so important. And if you're wondering how to replace them, keep reading to find out how you can do this quickly and affordably.

Timing belts are toothed, synchronous belts

Toothed, synchronous, and cogged belts are the 3 most common types of mechanical drive belts. Both toothed and synchronous belts are designed to run over pulleys with corresponding teeth. This positive engagement prevents slippage and speed loss. Timing belts can be toothed or toothless, and the toothed profile meshes with the grooves of the sprocket. They improve energy efficiency and reduce downtime. They are also smaller, quieter, and require no lubrication. These properties allow synchronous belts to operate at higher speeds than chains and gears.
These toothed belts are commonly used in motorcycles and automobiles. They are highly durable and can provide more power than friction-drive belts. Toothed belts are often designed for high-power transmissions and the primary drive of some motorcycles. While timing belts and synchronous belts may seem similar, they are quite different. Synchronous belts, or "toothed belts," have 2 distinct failure modes. The former is gradual and preventive, whereas the latter is catastrophic.
Despite their similarities, timing belts are often not compatible with all machines. Excessive installation tension will result in belt tooth shear and stress breakage. The teeth of timing belts show signs of excessive tension, as illustrated in Figure 6. Broken teeth are caused by root cracks, which propagate along the tensile member. The individual teeth of the belt will separate from the body of the timing belt.
Synchronous belts have various advantages. Synchronous belts are generally more durable, as they have low installation tension and less stress on the drive system. However, when choosing a timing belt, it is important to consider the conditions that apply to your application. Ideally, you will choose a toothed belt with the lowest possible installation tension. Then, you'll be on your way to a more efficient drive.

They transfer rotary motion from the central motor to the drive pulley

Timing belts are a common type of transmission, which transfers rotary motion from the central motor to the driving pulley through a series of pulleys. Their basic design is the same as an open belt drive, but they have an idler pulley in the middle to increase the tension and power transfer. Another type of drive is a stepped pulley, which allows different speeds and torques to be obtained.
The center distance between the pulley and the drive pulley determines their distance from each other. The distance between the pulley and the drive pulley determines how much power is transmitted through each pulley. When the pulleys are cross-connected, they cannot transmit as much power as they could if they were parallel, which limits the transmission of torque and prevents parts from breaking.
The main advantages of a timing belt are its comparatively low weight and low maintenance requirements. It has a tensile strength of about 90 percent and is also resistant to harsh conditions. The best timing belt pulleys are made of steel because they are resistant to wear and corrosion and can handle long-term chemical exposure. Plastic timing belt pulleys are also available. These are the lightest and cheapest options for the operator.
Another type of timing belt is a spring belt. Like elastic belts, spring belts are composed of a helical steel spring. They are typically used in model and toy engines for transmission from the crankshaft to other parts of the vehicle. Compared to elastic belts, spring belts last longer and do not have to be adjusted, although the spring belts are more likely to slip under heavy loads.

They are quieter

When choosing a replacement timing belt for your car, consider whether you prefer a rubber belt or a metal one. Rubber timing belts are more prone to wear out over time, while metal timing chains are durable and last longer than their rubber counterparts. Timing belts and chains both need maintenance to keep them operating smoothly and quiet. Listed below are some of the most common benefits of timing belts. Read on for more details.
While both timing belts and chains perform the same function, timing belts are quieter and more affordable. Although timing belts are cheaper to produce, they last less. In addition, timing chains are stronger and less likely to fail. If you're considering changing your timing belt, you can find a good video about the pros and cons of each. Both belts and chains work to optimize fuel economy, reduce emissions, and improve engine efficiency.
Timing belts are much quieter than rubber belts. However, they are not as effective at regulating engine timing. If you're concerned about noise when changing timing belts, make sure they're properly fitted. If your timing belts are too loose, they can cause engine damage. A loose timing belt can force other parts out of sync, and can even cause a serious engine malfunction. Timing belts are quieter than rubber belts, but they're no match for the sound-proofing properties of rubber.
While the noise of a timing belt can be bothersome, it's a simple process that will help you drive your car more quietly. Their function is simple and straightforward: the timing belt keeps the engine running at the right speed, and they're also cheaper than other mechanisms. They're also easier to maintain and use at high speeds without any problems. Timing belts are available in many different tooth profiles, pitch lengths, widths, and materials. Some manufacturers even offer customized belts for specific purposes.

They are more efficient

Timing belts are more efficient than chains because they have a smaller cross-section and smaller bend radius. These characteristics also enable them to have a smaller overall cost. However, because they require more energy to operate, V-belts are typically chosen because of their relatively low face-value cost. This is because they are less expensive overall, but can cost more over time when you factor in their operational costs. Even so, the initial product cost can be paid off in the first month or 2 with energy savings.
Using a timing belt can greatly improve energy efficiency in many applications. Not only does it increase the torque and power transmitted, but it also minimizes friction and elongation losses. This can lead to a 15 percent energy savings, which is equivalent to EUR 2,390 per year in energy costs! The benefits of timing belts are also numerous. By eliminating the need for tooth-drive sprockets, timing belts can improve the efficiency of a drive system.
In many automobiles from the 1980s to the early 2000s, timing belts were a popular choice. This is because they were less expensive and durable, yet still capable of maintaining the correct timing of an engine. However, timing chains are more reliable these days, and many drivers opt for them over timing belts. They are quieter and last longer, which makes them more desirable for drivers. In general, timing chains are cheaper but less efficient than belts.
Timing chains were a more expensive option, but the oil crisis pushed manufacturers to make cars with fuel efficiency their top priority. With timing belts, manufacturers realised that they were cheaper, easier to install, and more reliable. However, timing chains had a few drawbacks. One of the main disadvantages was that they were harder to replace, and required more engine oil. But with the price of fuel and gas, timing chains were preferred by many drivers.

They require lubrication

Timing belts are an integral part of engine performance. They keep the engine's valves open and closed at the correct times and are designed to fit around the gears inside the engine. Timing belts do not require lubrication but are still important to keep the engine working smoothly. Self-servicing car parts can be used to maintain the health of your timing belt. Here are some helpful tips for self-servicing your timing belt.
When timing belts are wearing out, they can cause a noise. This noise is usually due to impact, where the belt tooth engages with the pulley. While the noise isn't particularly annoying, it can be damaging over time. The second noise that you may hear is called air volume displacement. It occurs when air fills the space between the belt and the pulley and increases with the speed of the engine.
In addition to timing belts, timing gears and chains are often inaccessible, with their hidden mechanisms. The year and type of engine will determine which type you have, but each type is susceptible to wear and tear. Timing gears and timing belts are usually coated in engine oil for protection. Lubricating them regularly will ensure that they work as they are supposed to. These belts can also be driven by other components in the engine, which will require lubrication.
Oil leaks can lead to timing belt failure. If you notice a leak in the oil, try to identify it as soon as possible. Getting your timing belt replaced will prevent downtime caused by engine failure. You may also notice clunks, grinding noises, and knocking sounds under the vehicle. These are common signs that your timing belt needs lubrication. You can reduce the chances of these problems by regularly changing the engine oil and making sure it is of high quality.