SC silent chains (SCA, SCR, SC)
SC silent chains use specially-coated round pins and special plates to achieve an excellent engagement mechanism, and can keep a noise degree remarkably lower than standard roller chains.
SC type silent chains can be applied for higher speed and huge stress transmission similar to a toothed metallic belt because the plates right engage with all the sprockets for driving.
SCR-04 silent chains are intended with inner engaging structure for further diminished noise degree.
PS silent chain
A PS kind silent chain has a construction in which a set of specially formed connecting pins and locker pins make contact with each and every other even though rotating at every single versatile bearing position. As a result, it generates much less heat in particular in substantial velocity operation and is great in durability. In addition, the specially formed pins considerably lower shock when the chain is engaged with sprockets, providing a greater silencing effect than SC silent chains.
Sprockets
Sprockets for silent 
chains adopt unique modules in involute tooth types for the SCA 04××, SC 25××, SC 06×× over the previous web page and PS silent chains to guarantee silent substantial speed operation. For all sizes, the sprocket tooth heads are often hardened by induction hardening or carburizing.
Silent Chain
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