16mm CNC Metal Bending Stainless Steel Custom Metal Fabrication Laser Cut

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CNC metal bending

CNC bending or Computer Numerically Controlled Bending is just one of the many manufacturing techniques we use at Bimetal Products. This process uses CNC machines to bend sheet metal parts. Technology enables engineers to CNC bend any sheet metal from a few millimeters to several meters long using large industrial machines.

CNC bending method

There are two methods for CNC bending. The first uses a CNC press brake, which can be attached to the bottom bed. Engineers use the V-block tool to hold the metal in place, while the upper beam takes the force of the V-blade tool. This is called downshaping. The second way of CNC bending is the opposite, when the upper forming machine moves the bottom bend and holds the upper beam in place. Both methods end up producing the same result, so engineers have limitless options for their designs

Specification

CNC press brakes can be programmed to handle a wide variety of sheet metal parts. The programmable backstop (the metal part that needs to be bent) determines the flat back distance. S&B engineers also programmed the V-shaped insert, where the V-shaped block is critical to the metal bend angle; the more times the V-shaped blade penetrates the V-shaped block, the more severe the V-shaped bend in the final product. CNC program positioning combines various bend lengths and angles with sheet metal to determine the location and angle of each specific sheet metal part

CNC bending machines determine the length of sheet metal parts that can be bent. The thickness of the material will be consistent with the tensile strength and tonnage of the material the machine can handle. The larger the lower V-block opening, the larger the sheet metal gauge engineers can use to bend the metal. When the V-block is more open, the inner radius of the bend is wider.

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