Shenzhen HSJ Metal Fabrication Co., Ltd.
Shenzhen HSJ Metal Fabrication Co., Ltd.

Material Selection and Rules for Sheet Metal Machining

1. Choice of materials for sheet metal machining

Sheet metal machining parts are common structural parts that can be widely used in many fields. The primary processing methods for sheet metal parts are welding and laser cutting, which have the advantages of lightweight, good rigidity, and high precision.

Generally, the thickness of sheet metal parts is less than 6mm, and various shapes of parts can be made through diverse cold processing technologies. After cold working of sheet metal, the thickness of sheet metal parts can be changed to a more fixed thickness. However, different sheet metal materials need to be selected due to different applications.

Generally, sheet metal machining materials are mainly divided into the following categories: stainless steel, copper, aluminum, etc. Different types of sheet metal materials require different processing methods and different ways of processing.

2. Rules for sheet metal machining

The division and operation of sheet metal machining require clear rules. Based on the drawings and batches, different blanking methods are selected, such as laser cutting, CNC punching of sheet metal machining, cutting and molds.

(1) Choose blanking, and then enter the next process to process different stainless steel parts according to demand;

(2) When the elbow is made of stainless steel according to the size and thickness on the drawing, the key to avoiding product collision and deformation (the same product can use different types of upper and lower molds) is based on the thickness of the plate;

(3) When we press rivets, we should consider the same height of the bolts, select the same mold, and then adjust the pressure of the press to ensure that the bolts and the surface of the workpiece are neat, and avoid the bolts being pressed or pressed beyond the surface of the workpiece to form the workpiece. Welding includes argon arc welding, spot welding, CO2 welding, technology welding, etc. Spot welding first considers the welding direction of the Sheet metal machining workpiece, and also considers the position of the stainless steel plate in mass production, to ensure the accuracy of spot welding;

(4) In order to make the welding strong, when welding the convex point workpiece, it can be made uniform with the plane before welding to ensure that the common contact point is heated, and the welding direction can be confirmed. The welding should also adjust the preloading time, maintain time, and rest time to ensure that the workpiece can be set on-site;

In addition to the strict requirements of production technology, the quality of stainless steel plates is also unrelated to strict production quality. One is to strictly check against the drawing, and the other is to strictly control the appearance quality. This sheet metal machining is not a very important thing, otherwise, the effect of the process is difficult, which can be discovered during the processing.

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