Sheetmetalworld.com has compiled a comprehensive glossary for the sheet metal and general manufacturing market. If we're missing some terms please feel free to use the Contact form.
Another useful glossary is the CAD CAM and Nesting glossary.
The punching of multiple holes, often identical and arranged in a regular pattern, in a sheet, blank, or formed part. The holes are often round, but could be of any shape.
The process of forming an phosphate coating on metal by immersion in an aqueous phosphate solution.
Product Lifecycle Management.
Plane of bend. The orientation of a bend in relation to the axis of the straight section preceding it. Used specifically for changes of plane in successive bends.