SC silent chains (SCA, SCR, SC)
SC silent chains use specially-coated round pins and special plates to realize a perfect engagement mechanism, and will continue to keep a noise degree remarkably lower than typical roller chains.
SC form silent chains is usually used for substantial velocity and massive tension transmission similar to a toothed metallic belt since the plates straight engage together with the sprockets for driving.
SCR-04 silent chains are created with inner engaging framework for more lowered noise level.
PS silent chain
A PS form silent chain includes a construction in which a set of specially formed connecting pins and locker pins get hold of every other when rotating at every flexible bearing position. As a result, it generates much less heat primarily in higher speed operation and it is great 
in sturdiness. Furthermore, the specially formed pins tremendously lower shock when the chain is engaged with sprockets, offering a greater silencing effect than SC silent chains.
Sprockets
Sprockets for silent chains adopt distinctive modules in involute tooth forms for the SCA 04××, SC 25××, SC 06×× on the previous webpage and PS silent chains to be sure silent substantial pace operation. For all sizes, the sprocket tooth heads usually are hardened by induction hardening or carburizing.
Silent Chain
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