Aluminum shell deep drawing die
High precision stamping quality supplier
What is the working process and principle of deep drawing die?
Deep drawing is a complex deformation process in stamping process. The die used for deep drawing is generally made of punch, concave
Die and blank holder ring (sometimes without blank holder ring) three parts. The structure and shape of the punch and the die and the blanking die
Instead, they work with rounded corners instead of sharp edges. The gap between punch and die is generally slightly larger than the thickness of the sheet.
During deep drawing, the flat blank is placed on the concave die when convex
When the die moves down, the punch presses the blank and presses the blank into the concave die hole, so that the blank produces permanent deformation in the die and is processed into cylindrical parts of a certain diameter and height.
In the process of deep drawing, because the cavity of the die is smaller than the diameter of the blank, part of the material of the blank will produce plastic flow and transfer during the process of deep drawing. This part of the material increases the height of the product and the thickness of the cylinder wall in the other part. From this point of view, the deep drawing process is caused by the force of blank.
Box type deep drawing parts processing process: laser cutting sheet, deep drawing, shaping, cutting edge, punching small hole, punching large hole, closing edge, and finally get the finished product.
The mold processing life of our production is not less than 500,000 times, the mold material is cr12mov (or according to customer requirements), the stamping and drawing products are smooth without burr, the mold precision is high.
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