Surface treatment and stamping process of stamping dies in stamping parts forming

Stamping dies are indispensable for the processing and forming of stamping parts, and most stamping dies will undergo surface processing before use, thereby improving the quality of stamping parts. But as far as the surface processing method of the stamping die is concerned, not only the processing efficiency is fast, but also the processing quality is good. Except for the cavity with the internal acute angle and the extremely narrow and deep cavity, it is competent in other aspects. If the material is relatively soft, you need to modify the blanking gap. The specific method is to make an arc or slope on the end of the punch blade, and use a blowing device such as a vacuum cleaner to add air to the blanking hole of the backing plate. The knife edge of the stamping die is worn and the stamped parts have burrs, so the knife edge needs to be repaired. And stamping is a pressure processing method that uses a stamping die installed on a press to apply pressure to the material at room temperature to cause separation or plastic deformation to obtain the required parts. The materials for making stamping dies include steel, cemented carbide, steel-bonded cemented carbide, zinc-based alloy, low melting point alloy, aluminum bronze, polymer materials and so on. The processing and production efficiency of stamping parts is high and the operation is convenient, and it is easy to realize mechanization and automation. This is because stamping relies on punching dies and stamping equipment to complete processing. The number of strokes of ordinary presses can reach dozens of times per minute, and high-speed pressure requires It can reach hundreds or even more than a thousand times per minute, and it is possible to get a punched part for each stamping stroke. Not only that, stamping can process parts with a larger size range and more complex shapes, such as stopwatches as small as clocks and clocks, as large as automobile longitudinal beams, covering parts, etc., plus the cold deformation and hardening effect of the material during stamping, the strength and The rigidity is relatively high.