51吃瓜

Using stamping equipment and dies to separate or deform metal or non-metallic sheets, in order to obtain blanks or parts with a certain shape, size, and performance

1、 Stamping equipment

2、 The basic process of stamping

1. Blanking: Using a die to separate the sheet metal from the blank in a closed contour

Using punching to obtain a certain shape of the workpiece or billet

Separate the material inside the stamping blank with a closed contour to obtain perforated parts

2. Cutting: Separate parts or blanks from the sheet metal according to unclosed contour lines

3. Bending: Bend the sheet or profile into a certain angle using a punching die

4. Deep drawing

Forming the sheet metal into hollow parts while keeping the thickness basically unchanged

5. Flanging

Using the method of expanding holes on flat billets with holes, the plate is flipped into an upright edge along a certain curvature