http://www.precisionsheetmetal.com/home/materials.htm
Alum has a grain, if you bend with it it will crack, always bend across the grain, rule of thumb is the bend radi is 2 times the material...
Type: Posts; User: Ted1491
http://www.precisionsheetmetal.com/home/materials.htm
Alum has a grain, if you bend with it it will crack, always bend across the grain, rule of thumb is the bend radi is 2 times the material...
A mill file held at 20 deg's and pushed the length, not up and down, will give a slightly beveled clean edge. Have something handy that the file can be knocked on after each stroke, the file must be...