Why crack after bending of precision sheet metal

2022-09-27 13:27

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Why crack after bending of precision sheet metal

Currently, sheet metal processing has various machining processes throughout the production process, such as sheet metal forming, bending, forming, and assembly. In order to make a complete sheet metal custom processing product, it is necessary to pass the connection process generally, but what is the connection method of the sheet metal working product? Next, let the editor talk to you.

1 rivets rivets:

The rivets are usually called pull rivets, and the rivets of two plates are riveted by pull rivets

2, spot welding:

After the combination of the work, the pressure is applied through the electrode and the resistance heat generated in the contact surface and the neighborhood region of the current joint is utilized, and the total thickness of the spot welding should not exceed 8 mm.

3, punch rivet

One of them is a pulling hole, and the other is a sink, which is an unremovable connection by caulking. Advantage: the drawing hole and its sinking hole itself have positioning function, high caulking strength, and high caulking efficiency by dies.

4, tox rivets:

Definition: a simple punch die pushes the joined member into the die, and "flushes" the material in the die under further pressure action, resulting in no roundness, no rounded round junction, and no corrosion resistance. It is possible to maintain the original rust prevention corrosion characteristics in the plate material with the plating layer and the coating layer on the surface, and the plating layer and the coating layer simultaneously flow and flow. The material is extruded on both sides and pressed into the die side plate to form a tox connection point.

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