Product Description

Product Description

 

Product Application

Our products are widely used in thermal power generation, harbours, cement plants, metallurgy and as well as the light duty conveying devices for industries.
RKM-NS Model addes a sealed cover in its design. The distance between the sealed cover and bearing provides the bearing with a dust proof to ensure a longer working lift. This design is suitable for a normal working environment.

SPECIFICATIONS
Diameter	φ89, φ102, φ108, φ114, φ127, φ133, φ139, φ152, φ159, φ165,  φ194
Length	145mm-2800mm
Tube	Q235(GB), Q345(GB), welded with DIN2394 standed
Shaft	A3 and 45# steel(GB)
Bearing	Single & Double Row Deep Groove Ball Bearing 2RS&ZZ with C3 clearance
Bearing Housing/Seat	Cold press working fit ISO M7 accuracy Deep Press steel with raw material fit DIN 1623-1624 standard
Lubricating Oil	Grade 2 or 3 long-lasting lithium greasae
Welding	Mixed gas shielded arc welding end
Painting	Ordinary painting, hot galvanized painting, electric static spraying painting, baked painting

Specification

item	value
Condition	New
Warranty	1 Year
Applicable Industries	Hotels, Building Material Shops, Manufacturing Plant, Food & Beverage Factory, Farms, Restaurant, Home Use, Printing Shops, Energy & Mining, Food & Beverage Shops, Advertising Company
Local Service Location	None
Showroom Location	None
Video outgoing-inspection	Provided
Machinery Test Report	Provided
Marketing Type	New Product 2571
Place of Origin	China
Brand Name	GCS
Type	Xihu (West Lake) Dis. roller
Machine Type	belt conveyor
Certification	iso9001
Material	Carbon steel
Processing Type	Forging
Use	Coal Mining
Product name	Xihu (West Lake) Dis. roller
Application	Belt conveyor
Diameter	60mm-219mm
Length	Custom to order
Color	Customized
MOQ	1 Piece
Weight	2.1kg
Brand	GCS
Keyword	Conveyor roller steel roller
Packing	Sealed wooden cases

 

About roller,we can make gravity conveyor roller,steel conveyor roller,driving roller,light middle duty conveyor roller,o-belt tapered sleeve roller,gravity tapered roller,polymer sprocket roller and so on.More details,please contact us.

Main Features

1) Solid design, suitable for heavy lifting.
2) The bearing housing and steel tube are assembled and welded with a concentric automatic.
3) Cutting of the steel tube and bearing is performed with the use of a digital auto device/machine/equipment.. 
4) The bearing end is constructed to ensure that the roller shaft and bearing can be firmly connected.
5) Fabrication of the roller is effected by an auto device and 100% tested for its concentricity. 

6) Roller and supporting components/materials are manufactured to DIN/ AFNOR/ FEM/ ASTM/ CEMA standard.
7) The casing  is manufactured with highly composite, anti corrosive alloy.
8) The roller is lubricated and free from maintenance.
9) Woring life expectancy is up to 30,000 hours or more, depending on usage.
10)Vacuum sealed which has withstood anti water, salt, snuff, sandstone and dust proof experiments

RS water proof and dust proof heavy-duty roller/Idler–Return Roller/Idler/Roll, Carrier roll, trough roller/idler/roll

1.This RS series rollers belong to GCS high-end conveyor roller.

2. This return/carrier/trough roller has high precision structure, composing as many as nine seal parts which ensure the roller good capability of water and dust resistance. With rubber or steel seals, multi-labyrinth seals.

3. The bearing housing and tube is full welded to ensure the well contact of the whole roller. Grease is permanent lubricant.

4. Roller surface could be painted any color as per customer request.

5. Material: normally Q235 tube (specially for conveyor roller), A3 cold-drawn shaft (Could be of very high precision to meed different customer requirement.)

6. Each roller would be through strict inspection and test to ensure every out coming roller are of true high quality.

Welcome to contact us at any time for conveyor roller/idler. We are professional and excellent in technology and service. We know how to make our converyor roller to move your business!

Certifications

Our Service
– Professonal & Passion Sales team 24 hours at your service

· Participating in the various exhibitions help you to know us more completely

· Sample could be sent in 3-5days 

· OEM of customized products / logo / brand / packing is accepted

· Small qty accepted & quick delivery

· Our own Product Development Team will regularly update new products.

· Product diversification for your choice

· Factory sale directly with professional sale team

· For Best price High quality and favorable service

· Express service for some urgent delivery orders to meet customer request

Our Company

 

Global Conveyor Supplies Co., Ltd.

Established in 1995; Land area = 20,000 m2; Staff= 120 persons.

Located in HangZhou, ZheJiang Province, next to HangZhou city.

GCS, RKM is a registered trademark in China.

GCS enjoys a renowned reputation and our products are marketed globally in South-East Asia, Middle East, Africa, Australia, Europe, Hong Kong and many other countries.

GLOBAL CONVEYOR SUPPLIES COMPANY LIMITED (GCS), formerly known as RKM, specializes in manufacturing conveyor rollers and related accessories. GCS company occupies a land area of 20,000 square meters, including a production area of 10,000 square meters and is a market leader in the production of conveying divices and accessories. GCS adopts advanced technology in manufacturing operations and has obtained ISO9001:2008 Quality Management System Certificate. Our company adheres to the tenet of “ensuring customer satisfaction”. Our company got the Industrial Production License issued by the State Quality Inspection Administration in October, 2009 and also the Safety Certificate of Approval for Mining Products issued by the State Mining Products Safety Approval and Certificate Authority in February, 2571. GCS’s products are widely used in thermal power generation, harbors, cement plants, coal mines and metallurgy as well as light duty conveying industry. Our company enjoys a good reputation among clients and our products are selling well in Southeast Asia, the Middle East, Australia, Europe and many other countries and regions. Please visit our website at gcsconveyor  gcsconveyor  for further information. If you have any question, please feel free to ask. Thanks

 

The Mechanical Advantage of a Pulley

A pulley is an important tool for many tasks. The advantage that it offers over a hand-held mechanism is its mechanical advantage. In this article, we’ll discuss the types of pulleys and their applications. We’ll also look at the types of compound pulleys. And, of course, there’s a little bit about the mechanical advantage of a pulley. This article will help you decide whether this tool is right for your needs.

Mechanical advantage of a pulley

A pulley has a mechanical advantage over a lever because it is able to produce more force over longer distances. The mechanical advantage of a pulley sounds brilliant and could produce energy. But what exactly is this mechanical advantage? Let’s take a look. First, consider how a pulley works. A rope supports a 100kg mass, which requires 500 newtons of force to lift. If the rope supports a 100kg mass, 2 sections of rope can support that load. Using a pulley, you can lift the same weight with half the force.
A pulley’s ideal mechanical advantage is the ratio of the force applied to the total length of the rope. The larger the radius, the greater the mechanical advantage. A pulley made up of 4 rope segments has an ideal mechanical advantage of four. Therefore, a four-segment pulley would multiply the force applied by four. As the numbers on the rope segments are smaller than the total length of the rope, it would be better to use a compound pulley.
The mechanical advantage of a pulley can be calculated by using the T-method. The first step in calculating the mechanical advantage of a pulley is defining the force you need to lift. Then, divide that force by 2 to calculate the amount of force you need to lift the load. Once you know this amount, you can design a pulley to meet your needs. That way, you can achieve the perfect balance between the 2 types of pulleys.

Types of pulleys

The main function of the pulley is to change the direction of the force. The mechanical advantages of a single pulley are two. Ideally, 2 pulleys should have 2 or more mechanical advantages. The mechanical advantage of compound pulleys can be increased to 2 or more. The number of pulleys that make up the composite pulley will determine the mechanical advantage. Certain types of pulleys are combined in 1 housing.
A stepped pulley is a set of pulleys with stepped surfaces. Each face is anchored to the mid-axis in an ordered sequence. This design gives these pulleys their name. They are used to increase and decrease the speed of the driven pulley. Step pulleys are usually used in pairs. They can be straight or stepped, but usually come in pairs.
The 3 main types of pulleys are pulleys, rope pulleys, and chain pulleys. Pulley Pulley systems use mechanics to lift and lower heavy objects. The Greek historian Plutarch credits the invention of the pulley to Archimedes of ancient Sicily. The Mesopotamians used rope pulleys to lift water around 1500 BC, and Stonehenge is said to have been built using a rope pulley system.

Application of pulley system

The advantages of using a pulley system are numerous. The ability to lift heavy objects is a good example. The pulley system makes it easy for people to lift blocks and other large objects. It can be used in many different applications, from utility elevators to construction cranes. In addition, it is widely used on sailing boats. If you want to learn more about the benefits of a pulley system, keep reading!
You can use the pulley system to water flowers or water plants. Some of them even lowered the pot to make cleaning easier. Pendant lights are another great place to install a pulley system. Climbing and fishing are just some of the activities that utilize the pulley. They are great for fishing and gardening. And since they are so versatile, you can use the pulley system anywhere.
To get the most out of your pulley system, you must choose a product that has all of the above attributes. A high-quality pulley must have a large pulley diameter and be made of sturdy materials. The cables must also be properly supported in the pulleys to ensure a long service life for your investment. A good cable should have minimal cracks and be lubricated. These factors are the most important considerations when choosing a pulley system for your needs.

composite pulley

Composite pulley systems combine 2 or more movable pulleys. These systems maximize the force to move the weight and can also change direction so they can be used to lift weights. Composite pulley systems can be as simple or as complex as your needs. For example, a pulley pulley system uses multiple pulleys on each axis. This method is often used for hoisting building materials.
A compound pulley system has 2 or more rope segments, each of which is pulled up on a load. It can increase lift by making objects move faster. These systems are common on large sailboats and construction sites. Composite pulleys are also available for larger boats. Due to their versatility, they are versatile tools for construction sites and large sailboats. If you have their app, you should consider buying one.
The main advantage of composite pulleys is their versatility. You can use them to lift weights or use them to save energy. Composite pulleys are especially useful for lifting heavy objects. For example, you can tie a paper clip to the end of the rope and pull it up. The flag is then lifted into the air with the help of compound pulleys. Composite pulleys are a great invention and they are often used in construction.

security considerations

There are several safety considerations to consider when using pulleys. The first is Secure Workload (SWL). This value is a general guideline for the maximum weight a pulley can safely handle. It varies according to the height and angle of the pulley. Besides SWL, there are some other factors to consider. Consider each 1 before deciding on the pulley that best suits your needs.
Another safety consideration is the weight of the load. Since the highs of the pulley are higher than the lows, it doubles in weight. The weight of the high point should not exceed 4 kN. The safety factor is calculated by multiplying the strength of the pulley by the weight of the load. Secondary COD has a safety factor of 10:1 and bulletproof primary anchors should be used with pulleys.
If using a chain hoist, you must be trained in the appropriate type of lifting. It is important not to hang on the top hooks of the structure, nor to overload or rig the hooks with multiple slings. You should also avoid corroded or damaged chains, as they can cause the crane to jam or overload. A worn chain can even cause the load to drop.

Components of a pulley system

Proper design of the pulley system can increase the life of the cables and pulleys. Larger diameter cables should be selected as they are more durable than smaller diameter cables. The cables should also be supported in the pulley grooves. The pulley must be designed to be compatible with the cable and its lubrication should be optimal. Proper lubrication of cables and pulleys will ensure maximum durability and longevity.
The first type of pulley is called a fast pulley. These pulleys are used for quick start and stop of the machine. These pulleys are usually mounted in pairs on the countershaft of the machine. One pulley is tightly mounted on the machine shaft, while the other pulley is fitted with a free-spinning mechanism. When the machine is running, the belt is mounted on the tensioner pulley, and when it is stopped, the belt slides on the independent pulley.
Composite pulley sets reduce the overall effort required by reducing the size of the pulley. These are usually attributed to Archimedes. Flat pulleys are often used in flat belt driven transmission systems. These are used in high-speed, low-power applications. Flat pulley idlers are also used on the back of traditional V-belts.