Crank Shaft Purza
In a sewing machine, the crankshaft is a crucial component that plays a key role in converting rotary motion into linear motion. The sewing machine is powered by a motor, which generates rotary motion. This rotary motion needs to be transformed into the up-and-down motion required for the needle to move in and out of the fabric.
The crankshaft is a mechanical linkage that converts the rotary motion of the motor into the linear motion needed for the needle to go up and down. It typically consists of a rod and a crank. The rod moves back and forth, while the crank, which is attached to the rod, translates this motion into the up-and-down movement of the needle.
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