movement and dwell periods and are of two types, engineering cams and knitting cams. The movements may be represented in the form of a time-displacement graph . Types of Cams There are two cams 1.Engineering cam 2.Knitting cam 1. Engineering cams Circular engineering cams or high speed eccentrics control the motion of bars of elements which move en masse as single units in Cottons Patent and warp knitting machines. They are attached to a rotary drive shaft situated parallel to, and below, the needle bar.A number of identical cams are positioned...
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