Stamping molds, plastic parts, fasteners, etc
What are the matters needing attention in the drawing processing of metal stamping parts
Release time:
2024-04-30
When a hardware stamping parts manufacturer processes stamping parts, it is necessary to use stamping equipment to process the drawing depth. Under the pressure of the punch, the stamping process of forming an open and hollow part through the die is called stretching. The commonly used methods are as follows. 1. panel drawing method Cladding is a kind of metal stamping parts with complex surface shape. In the drawing process, the deformation of the blank is more complicated. Its deformability is deep drawing and expansion. 2. Ellipse The deformation of the blank at the flange is a drawing deformation, and the deformation amount and deformation speed change correspondingly along the contour shape. When the curvature is large, the plastic deformation of the blank is also large. Conversely, when the curvature is small, the plastic deformation of the blank is also small. 3. step stretching method The left side of the original deep-drawn product is re-stretched to form the bottom of the right ladder. The deeper part is deformed in the early stage of wire drawing, and the shallower part is deformed in the late stage of wire drawing. The side wall of the step-changing part is easily affected by shear stress. And deformation. 4. cylindrical deep drawing Drawing of cylindrical metal dies with flanges. The flange and the bottom surface are planar, the side wall of the cylinder is axisymmetric, the deformation is evenly distributed on the same circumference, and the flange has a tensile deformation effect on the blank.
When a hardware stamping parts manufacturer processes stamping parts, it is necessary to use stamping equipment to process the drawing depth. Under the pressure of the punch, the stamping process of forming an open and hollow part through the die is called stretching. The commonly used methods are as follows.
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