The general knowledge of precision metal stamping processing is very much, there are the main measures to reduce the manufacturing cost, according to the total deformation properties of materials, stamping process is divided into two categories, stamping process of five kinds of deformation three aspects:
1.The main way to reduce manufacturing costs.
A. Rationalization levelof progressive process
B. Improve mold design level, reduce working procedure, improve mold life
C. With the automation of progressive stamping process and high speed level, reduce cost
D. Design the mold that each workpiece processes together
E. The utilization method of adopting progress data to decreases cost
2. According to the total deformation properties of the data, precision metal stamping process is divided into two categories:
A. Separation process: under the action of external force, the stress of the deformed part exceeds the strength limit of the data, and the plate breaks and leaves.
B. Plastic deformation process: under the action of external force, the stress of the deformed part of the sheet metal exceeds the yield limit of the data, but does not reach the strength limit, only plastic deformation table is generated to obtain certain shape and scale.
3. Five deformations of precision metal stamping process.
A. Solid pressing: redistributing the volume and carrying the data to change the shape or height of the blank.
B. Zigzag: change the flat sheet into zigzag parts, and further change the shape of zigzag parts. Bending, curling, distortion, etc.
C. Calendering: stamping a flat blank into a hollow part of the desired shape, or making further changes in the dimensions of the hollow part.
D. Forming: to change the shape of a work piece or blank by means of partial deformation of various properties. There are ups and downs, flanging, necking, bulging, rolling and shaping that are attributed to forming deformation.
E. Blanking: do not close or close to separate part of the data from another part. There are blanking, punching, edge cutting, blocking, sectioning, incision and so on.