Flank Contact Silent Chains SC3 SC4 SC5 SC6 SC8 SC10
A flank contact silent chain consists of interleaved rows of bifurcated link plates connected by connecting pins. The teeth of each row overlap the teeth of the adjacent row. The inner flanks of each tooth protrude beyond the outer flanks of the overlapping teeth. When engaged under tension, these flanks engage the sprocket teeth. The effect is to suppress noise and vibration produced by the chain transmission.A typical flank contact silent chain comprises links connected by a connecting pin. The inner flank of each link carries two teeth. Each tooth has a corresponding outer and inner flank. The outer flank of each link is shaped to accommodate the outer flank. The outer flank is shaped like a ball. This shape is important because the engagement point must be stable for the chain to be stable. The outer flank can also be bent or twisted to meet the other teeth.





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