Types Of Sheet Metal Hems

Hems are commonly used to reinforce an edge hide burrs and rough edges and improve appearance.

Types of sheet metal hems. The fabric at the hem is turned once and stitched in place. In sheet metal hemming means to fold the metal back on itself. Hems can be useful as a way to stiffen a sheet metal panel. Ok let s cover the different types of hems that you can sew these are just short descriptions of the different types of hems and i ll link each to the sewing tutorial for you to learn the hemming techniques.

And while hems or seams reinforce a sheet metal edge their main purpose is to improve appearance by hiding burrs and rough edges on metal back splashes and other sheet metal installations. Hemming is a metalworking process where a sheet metal edge is mechanically bent to fit an uneven surface or simply roll over onto itself. It creates a very smooth edge and can hide the raw edge of the part. Create a bend with acute angle tooling in the metal 30 is preferable but 45 will work for some circumstances.

As a design element the hem creates the appearance of greater thickness without adding much weight. Hems have drawbacks however. Hemming and seaming are two similar metalworking processes in which a sheet metal edge is rolled over onto itself. Hemming is the process in which the edge is rolled flush to itself while a seam joins the edges of two materials.