(79 products available)
Roller Chain
The 857 roller chain is the most popular as it delivers excellent flexibility and strength. This chain operates via a series of rollers over a sprocket, granting smooth movement for applications like machines and vehicles. With efficient power transfer for heavy usage, it is strongly favored in industrial settings.
Block Chain
Block 857 sprocket chains comprise wide plates linked directly and are ideal for bulk materials. Its structure allows stable conveyance in heavy-duty tasks. From food processing to mining, block chains can sustain extreme demands thanks to sturdy links and resistance to impact.
Silent Chain
Characteristic of its curved links, the 857 silent sprocket& chain provides quiet functioning, hence excellent for settings needing minimal noise. Common in automotive applications, especially in gear systems, this chain also serves in conveyor belts within quiet operation-requisite environments.
Leaf Chain
Designed to handle heavy loads, the 857 leaf chain differs from others due to its flat links. Primarily used in hoisting equipment and lift trucks, leaf chains are dependable in vertical power transmission. Their robustness makes them vital in construction and warehouse machinery.
Infinitely Variable Chain
The 857 infinity variable power transmission chain is crafted for variable-speed gear systems. It enables fluid speed alteration without power loss. This chain is essential in automotive transmissions and industrial machinery where speed control precision is crucial.
The primary function of the 857 chain is to enable power transmission from one component to another in varied machines. In this process, the chain is accompanied by a sprocket which can be derived from either a reciprocating engine or a motor. These types of chains are commonly found in vehicles and also industrial machinery. In most applications, their role is to lift and transport items by moving along mechanical conveyors.
With the durability of these chains, they are still able to transmit high power and torque with good efficiency and competent noise levels. This is achieved even at low lubrication levels, which is among the many advantages of the 857 chains.
Typical design elements of 857 chains can also be distinguished from one another according to their specific use. The roller chain consists of rollers between the links for smooth operation and hence the varied number of links depending on the type and size of the application. Block chains are wider and stronger links of plates since they need to support heavy items. A silent chain's unique design is its articulated links for silent running, making it ideal for sound-sensitive operations.
Leaf chains are flat and designed for heavy loads for hoisting mechanisms. The infinitely variable chain is designed for variable-speed transmissions and has no end, thus enabling continuous rotation with intricate designs for speed altering mechanisms.
Automotive Industry
Silent chains are immensely used in the automotive sector for inverter chain/generator blade coupling. Their quiet and smooth operation makes them an apt option for this process. Apart from that, leaf chains are also utilized for lifting systems and towing vehicles. The inherent strength for Heavy lifts and cargo transportation makes it fit for this role.
Industrial Machinery
In this arena, roller chains are predominantly used for drives in industrial machines, lathes, and conveyor belts. They transfer power from motors to various machine components. Due to their ability to sustain mechanical deformation for easy, they are also widely applied in heavy-duty machinery in this industry.
Aerospace
857 chains have immense importance in this industry. Infinitely variable chains are employed in systems necessitating varying speeds, such as in aircraft engines and landing gear mechanisms. Their light yet strong fabrications enable them to competently perform under this industry’s stringent needs.
Construction
In construction, leaf chains are often found in forklift trucks and other lifting equipment. These chains can carry huge weight and are suitable for the rigorous work conditions, guaranteeing safety and durability during the lift.
Agriculture
Farm machinery like tractors and harvesters usually incorporates roller chains for power transmission. The agricultural 857 chain of links and pins and plates absorbs shock and minimizes downtime; hence, it is a constant in this ever-upheaving industry.
Mining
In mining, block chains are used in conveyors that transport ores and other heavy bulk materials. Given their sturdiness and ability to sustain extreme conditions, these chains ensure safety and efficiency in one of the most hazardous jobs, hence making them versatile.
Food and Beverage Industry
As an industry where cleanliness is crucial, the 857 block chains are used in conveyors for the food and beverage processing industry. The ease of cleaning and durability in wet and corrosive environments makes them an effective chain for transporting items such as packaging materials, fruits, and grains.
Application Requirements
When choosing an 857 chain link, consider the application. Questions to address are the load to be carried, speed, and the type of power source. Factors like type convenience, whether roller, block, or leaf chains, and their efficiency in the role they are intended for should also be considered.
Load Capacity
The chain must be able to handle load with a strength margin. Going for a chain whose load capacity is above the maximum load ensures safety and longevity. Manufacturer specifications contain these load ratings.
Compatibility
Ensuring that the 857 chain is compatible with current sprockets and drives is important; otherwise, the entire system would undergo changes. The pitch size and link style should match the equipment’s needs to prevent undesired operational issues.
Material and Environment
Materials of the chain should reflect their working environment. For instance, a stainless or specially coated chain should be considered for wet or corrosive environments. A fatigue-resistant material should be used in high-load or demanding applications. Standard chains in most applications are constructed from alloy steels.
Maintenance
Maintenance is dependent on the type of chain selected. Some chains come with less lubrication and tension checks. Less maintenance is needed for these types of chains. A low-maintenance option should be chosen if the user does not have the means to maintain them regularly.
Regulatory standards
Sprockets and chains are made according to certain industry standards. For safety reasons, emphasis should be laid on reputable manufacturers who consistently adhere to international quality standards.
A1: A roller chain is characterized by the rollers that permit smooth and efficient power transmission. Other chains are generally bulkier and are specifically designed for high-load applications.
A2: These chains are commonly made from steel, or additionally, there may be corrosion-resistant alloy steel and stainless steel for specific environments.
A3: Regular maintenance, lubrication, ensuring proper tension, and load capacity will increase the life of these chains. Operating within the rated parameters will reduce wear and elongation.
A4: In the food and beverage industry, 857 chains are used in conveyors. Their strength, easy cleanup, and corrosion resistance make them suited for this environment.
A5: Excess elongation, visible wear or damage, noise increase, and malfunctioning of the associated equipment indicate a need for sprocket& chain replacement.