Stitching Wire Cast and Camber (Helix)

Commercially produced, stitching wire is not straight. Each spool size has a desired curvature of the wire. The radial or circular curvature is known as “Cast.” Cast is measured as the diameter of a free turn of wire. The axial component is referred to as “Camber.” Camber is measured at the offset in the ends of one turn of freely hanging wire. The larger the cast and the smaller the camber are characteristics of a high quality wire. This allows the wire to go into the stitching head smoother, producing less drag, and will provide fewer dropped stitches. The stitching head will work more efficiently with less energy and maintenance.

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