Metal Stamping and Pressing Services
US Metal Crafters offers Metal Stamping Services to companies throughout the United States and North America. Our stamping services are usually custom designed and configured based on the customer’s needs and specifications. An initial consultation is followed by a detailed proposal and proposed project timeline. We work to delivery everything to you ahead of schedule and exactly as specified. Below please find more information in custom metal stamping services from US Metal Crafters.
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INdustry INFORMATION on metal stamping
Metal Stamping, also known as Metal Pressing, is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape. Stamping includes a variety of sheet-metal forming or manufacturing processes, such as punching using a machine press or stamping press, blanking, embossing, bending, flanging, and coining. See further information below under “Progressive Metal Stamping Processes.”
Metal Stamping on sheet metal and coil metal
Metal Stamping services can be a single stage operation where every stroke of the press produces the desired form on the sheet metal part or could occur through a series of stages (commonly known as Progressive Stamping of Metal). The process is usually carried out on sheet metal but can also be used on other materials (Contact your US Metal Crafters Representative for details). Progressive dies are commonly fed from a coil of steel, coil reel for unwinding of coil to a straightener to level the coil and then into a feeder which advances the material into the press and die at a predetermined feed length. Depending on part complexity, the number of stations in the die can be few or many.
Precision CNC punching services are useful for the high-speed fabrication of custom parts. This process is ideal for parts specifying multiple precision holes, including perforated hole patterns and countersunk hole detailing.
Progressive metal stamping PROCESSES
Metal Stamping is usually done on coil or metal sheets. When the sheet metal or coil is modified, the process may include the following:
Bending - the material is deformed or bent along a straight line.
Flanging - the material is bent along a curved line.
Embossing - the material is stretched into a shallow depression. Used primarily for adding decorative patterns.
Blanking - a piece is cut out of a sheet of the material, usually to make a blank for further processing.
Coining - a pattern is compressed or squeezed into the material. Traditionally used to make coins.
Drawing - the surface area of a blank is stretched into an alternate shape via controlled material flow.
Stretching - the surface area of a blank is increased by tension, with no inward movement of the blank edge. Often used to make smooth auto body parts.
Ironing - the material is squeezed and reduced in thickness along a vertical wall. Used for beverage cans and ammunition cartridge cases.
Reducing/Necking - used to gradually reduce the diameter of the open end of a vessel or tube.
Curling - deforming material into a tubular profile. Door hinges are a common example.
Hemming - folding an edge over onto itself to add thickness.
Piercing and cutting can also be performed in stamping presses.
CNC Punching - ideal for parts specifying multiple precision holes, including perforated hole patterns and countersunk hole detailing.
Progressive stamping is a combination of the above methods done with a set of dies in a row through which a strip of the material passes one step at a time.