Cnc lathe hardware stamping

The main basic process of lathe metal stamping

1. Turning and blanking of lathe parts is the process of separating blanks. The process of blanking and punching is exactly the same, but the application is different. When blanking, the separated part is the finished product, and the remaining periphery is waste; the punching is to obtain the hole, the punched sheet is the finished product, and the separated part is the waste. Blanking and punching are collectively referred to as punching. Both the punch and the die of the blanking die have a sharp edge with a gap of 5%-10% between the punch and the die to ensure that the cut is neat and less burr.

2. Deep drawing of lathe parts: Deep drawing is a process of making a flat blank into a cup shape or a box shape. The punch and die edges of the drawing die should be rounded to avoid cracking of the workpiece. There should be a slightly larger gap (typically 1.1-1.2 times the thickness of the plate) between the punch and the die to reduce friction. In order to prevent wrinkles, the edge of the blank needs to be pressed with a pressing plate (pressing ring), and the actual drawing process of the product may cause a cracking defect. Please refer to the sheet metal stamping method as a processing method for separating or deforming the sheet material by using a die. Because in most cases the sheet does not need to be heated, it is also called cold stamping, also referred to as cold stamping or stamping.

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