SC silent chains (SCA, SCR, SC)
SC silent chains use specially-coated round pins and exclusive plates to realize a perfect engagement mechanism, and may continue to keep a noise level remarkably reduce than traditional roller chains.
SC sort silent chains is usually used for high speed and big stress transmission similar to a toothed metallic belt because the plates immediately engage together with the sprockets for driving.
SCR-04 silent chains are intended with inner engaging structure for further reduced noise level.
PS silent chain
A PS variety silent chain includes a construction by which a set of specially formed connecting pins and locker pins contact each other although rotating at just about every flexible bearing 
position. Therefore, it generates significantly less heat particularly in large velocity operation and is outstanding in sturdiness. Furthermore, the specially formed pins drastically reduce shock once the chain is engaged with sprockets, giving a greater silencing result than SC silent chains.
Sprockets
Sprockets for silent chains adopt unique modules in involute tooth forms for your SCA 04××, SC 25××, SC 06×× on the preceding page and PS silent chains to make certain silent large pace operation. For all sizes, the sprocket tooth heads usually are hardened by induction hardening or carburizing.
