Difference between revisions of "Cam"

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[[File:Singer_Pattern_Disks.jpg|thumb|right|Singer Single Pattern Disks/Cams]]
[[File:Singer_Pattern_Disks.jpg|thumb|right|Singer Single Pattern Disks/Cams]]
[[File:Elna_Double_Disk.jpg|thumb|left|Elna Double Disk/Cam]]
Cam 1.
Cam 1.

Revision as of 12:04, 26 April 2009

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.