Roll Hemming Sheet Metal

Hemming presses are widely used in automotive manufacturing for hemming of sheet metal body components.

Roll hemming sheet metal. Conventional die hemming and roll hemming. Hems are commonly used to reinforce an edge hide burrs and rough edges and improve appearance. Hemming is the process in which the edge is rolled flush to itself while a seam joins the edges of two materials. Hemming and seaming are two similar metalworking processes in which a sheet metal edge is rolled over onto itself.

There are two types of hemming operations. The process uses traditional hydraulically operated stamping presses to hem closure parts and being the last forming process in stamping it largely determines the external quality of such automotive parts as doors hood and trunk lid. Create a bend with acute angle tooling in the metal 30 is preferable but 45 will work for some circumstances. In sheet metal hemming means to fold the metal back on itself.

Sheet metal hemming process can be generally classified into two major categories such as classical conventional hemming and roller hemming process. Hemming is used in the sheet metal forming industry. Hemming processes press hemming.