The size of the sprocket determines the structure of the sprocket
The size of the sprocket determines the structure of the sprocket
The size of the sprocket determines the structure of the sprocket. Small diameter sprocket adopts integral type or spoke plate type; medium diameter sprocket adopts orifice plate type; larger diameter sprocket adopts combined type, so that the ring gear can be replaced after gear wear. The sprocket teeth directly engage in the meshing work on the sprocket, and its shape should ensure the free and stable meshing energy of the chain in and out, and be as simple as possible to facilitate processing.
The sprocket material should ensure that the sprocket has sufficient contact strength and wear resistance, so the tooth surface is heat-treated. Low speed, light load, smooth transmission, medium carbon steel; medium carbon steel adopts medium speed and medium load quenching, and the hardness is higher than HRC40~45. High-speed, heavy-duty, continuous working transmission, low-carbon steel appearance carburizing and quenching (such as 15, 20Cr, 12CrNi3 steel quenching to HRC55~60). Or quench the surface of medium carbon steel (such as 45, 400Cr, 50Mn2, 35CrMnSi, 45crni, etc.) to HRC45~55.
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