Jia Han

What is automobile metal stamping parts

Release Time：

2021-11-12 11:01

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Automobile metal stamping parts are one of the essential parts in automobile manufacturing. It includes all kinds of panels, decorative parts, fasteners, etc., and its consumption in automobiles accounts for more than 10% of the whole vehicle mass. The precision of stamping parts is generally required to be high to adapt to the characteristics of large production batches, so the productivity of stamping process is very high. At the same time, due to the large force on the material during stamping, the strength and toughness of the material are required to be higher. In addition, the die structure is simple and the cost is low.

Stamping technology: Blanking is a processing method that puts the sheet metal on the workbench of the press (or the feeding device of the press) to separate or deform the sheet metal and obtain the required shape. Blanking is divided into two basic types: Blanking and forming blanking. Blanking is used to produce thin steel plate parts produced in single piece or small batch; and forming blanking is used for machining larger parts in mass production and continuous automatic line production.

（1）The working part of blanking die consists of convex and concave templates.

（2）The convex and concave templates are respectively fixed on the knife seats of the left and right cutting edges.

（3）The convex template is fixed on the left end face.

（4）The concave template is fixed on the right end face.

（5）There is a gap between the two cutting edge cutter seats.

（6）Positioning pins are arranged on both sides of the upper and lower cutting edge knives.

（7）A guide block is arranged between the convex template and the concave template.

（8）The top of the convex template is provided with an ejection pin hole.

（9）The lower guide post passes through the gap and is inserted into the locating pin.

（10）A pull rod mechanism and a push-pull handle mechanism are arranged below the lower guide post.

（11）The upper guide post is provided with a push-pull handle mechanism and a spring assembly.

（12）The lower part of the upper guide post is provided with a return keyway and a return spring assembly.

（13）The workpiece is installed between the upper and lower blocks for feeding.

（14）When the workpiece is fed in, it first passes through the ejection sleeve, then enters the middle position above the slider and then moves down to the bottom of the slider (this is a free stroke).

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