Roller chains
Roller chains are a power transmission element. They are a specific variant of the general transmission chain. There are specific applications that take advantage of the roller chain’s ability to withstand tensile forces to transmit forces between two pieces of a mechanical assembly (a driving piece and a driven piece).
One specific and well-known application of roller chains is in the use of mechanical saws.
Roller chains are made up of steel plate links joined together by axles that carry rotating rollers, allowing for seamless articulation with the toothed wheels during engagement.
Roller chains can have different configurations, such as the use of multiple lines or rows of chains to transmit higher levels of power. In addition, this type of chain is also used in motorcycle transmissions and vehicle timing systems.
Roller chains are formed by the alternating union of two sets of links: inner links and outer links. The inner links consist of two inner plates or inner flanges pressed onto two bushings, on which the chain’s rollers rotate freely. The outer links are formed by outer plates or outer flanges attached to two pins that are laterally riveted after being incorporated into the inner links.
This creates an articulated assembly, consisting of a series of rollers spaced at a constant distance called pitch. This assembly is called a roller chain and allows for smooth engagement with a toothed sprocket, serving as a transmission mechanism between shafts that may be far apart, which is one of the main advantages of this type of chain.
Advantages of using roller chains in transmissions
- They can connect widely separated shafts
- They are easy to maintain
- They have a long operating life
- They can increase or decrease speed relatively easily
- They can be connected and disconnected easily
- They have virtually no elongation
- There is no slip between the driving and driven shafts
- They adapt well to heavy-duty work
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Types of roller chains
ISO ROLLER CHAINS
At ROYSE, we trust in the quality of top brands, which is why we offer Rexnord roller chains.
These chains are widely used in power transmission applications, from general industry applications to specialized operations such as food processing, heavy construction equipment, or demanding oilfield maintenance.
Benefits:
- Single and multiple standard roller chains are available in many sizes.
- Double-pitch transmission chains available for slower speed transmission on long centers.
- High-temperature factory pre-lubrication for long life.
- Stainless steel provides excellent corrosion resistance.
- Chain modifications available for special operating conditions.
- Wide waist sidebars for superior fatigue strength.
- Pre-stressed after assembly to reduce early break in wear.
ASA/FLEYER ROLLER CHAINS
The ASA/FLEYER roller chains or Rexnord Leaf Chains are reliable and high-quality chains that perform consistently in the most challenging conditions. They are intended for applications in the automotive, food and beverage, mining and metallurgical, and construction industries. These chains withstand these environments with years of trouble-free performance.
Benefits:
- Superior corrosion protection.
- Superior wear resistance.
- Eco-friendly lubrication features.
- High press fit.
- Shot-peened components.
- High preloading.
- Withstand demanding and heavy-duty applications.
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