Wide
Waist
The wide waist design of 60H and larger chains reduces the bending stress
in the link plate which increases the fatigue strength of the chain.
Solid
Rollers
Drives, Incorporated utilizes solid rollers on
all precision roller chains. The solid roller allows for smooth
rotation on the bushing, minimizing the impact load as the chain engages
the sprocket tooth.
Factory
Preloading
Drives, Incorporated precision roller chains are preloaded during
assembly. Preloading the chain seats the chain components, which
minimizes the initial elongation of the chain.
Heat
Treatment
Rigorous process controls and state of the art heat treating furnaces
assure consistent quality in all chain components. This results in
optimum toughness and resistance to wear.
Prelubrication
After final assembly the roller chains are hot dipped in a special
lubricant. This process assures that all the load bearing surfaces
are protected from metal to metal contact, improving the wear life of the
chain.
Automated
Assembly
Roller chain assembly methods assure consistent processes and proper
assembly of chain components.
Shot
Peened Parts
All precision chain rollers and link plates are shot peened for greater
fatigue strength.
Connecting
Links
Standard connecting links are used when roller chains are operated under
normal conditions. For severe applications, press fit
connecting links are suggested. Spring clip style connecting links
are used for sizes 60H and smaller. Sizes 80-180H use a special
hardened hook cotter. Coated T-pin is used on 200, 264, 240.
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