Cam

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Singer Single Pattern Disks/Cams
Elna Double Disk/Cam

Cam 1.

A cam is a round flat disk (top hat style cams are the exception) each having a different profile cut into its outer perimeter, this profile creates embroidery or satin stitch patterns. Cams have either a single or double profile, the second profile controls feed movement.


Cam 2.

A cam used within the mechanics of a sewing machine is usually eccentric in shape having a high and low profile, it is generally mounted on a shaft and is used to drive a mechanical device for example a feed elevation cam.