SC silent chains (SCA, SCR, SC)
SC silent chains use specially-coated round pins and specific plates to accomplish an ideal engagement mechanism, and can continue to keep a noise level remarkably reduced than traditional roller chains.
SC kind silent chains is usually made use of for higher velocity and significant tension transmission much like a toothed metallic belt because the plates directly engage together with the sprockets for driving.
SCR-04 silent chains are made with inner engaging structure for more decreased noise level.
PS silent chain
A PS form silent chain has a framework through 
which a set of specially formed connecting pins and locker pins get in touch with just about every other while rotating at just about every flexible bearing position. As a result, it generates less heat specially in higher speed operation and it is fantastic in durability. In addition, the specially formed pins tremendously lessen shock once the chain is engaged with sprockets, giving a greater silencing impact than SC silent chains.
Sprockets
Sprockets for silent chains adopt special modules in involute tooth types to the SCA 04××, SC 25××, SC 06×× to the preceding page and PS silent chains to make sure silent higher speed operation. For all sizes, the sprocket tooth heads are generally hardened by induction hardening or carburizing.
Silent Chain
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