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Why is the sheet metal processing industry developing so well

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Why is the sheet metal processing industry developing so well

Date of release:2018-05-23 Author:Source network 点击:

Dalian sheet metal



Dalian sheet-metal processing is closely related with the life of our life, almost all of the manufacturing industry is inseparable from the sheet metal processing, in general, dalian metal sheet processing industry rapid development in recent years, the main reason has the following several aspects.

1。 Increased demand for sheet metal processing and production capacity。 More and more become an international processing and manufacturing center in China, combined with an increasing number of foreign investment, metal finishing ability demand increasing, and the electric control box, in the metal processing industry in general is a sheet metal parts, such as machine shell so dalian sheet-metal processing ability demand is also increasing。

2. High profit of sheet metal processing. For example, stamping can reach about 30%, while laser cutting can reach 50% or more.

3. Low precision requirements for sheet metal processing, easy to use. In the case of sheet metal processing, precision in a few threads is quite common, and the complexity of the process is relatively high, even some parts of the process up to dozens of procedures. Therefore, gold processing enterprises usually need a variety of mechanical equipment to meet different technological requirements. The precision of sheet metal punching hole is generally around + 0.1mm, and the bending precision can reach + 0.5mm, so the precision is much lower than that of metal processing.

Metal materials commonly used are manufacture ((SPCC)), hot rolled plate (SHCC), galvanized sheet (SECC, SGCC), copper (CU), brass, copper, beryllium copper, aluminum plate (6061, 6063, hard aluminum, etc。), aluminum, stainless steel (mirror, wire drawing, fog), according to the effect is not the same goods, choose materials, usually need to come up from its usefulness and capital goods。

1。 Cold rolling SPCC, the first use of electroplating and baking paint, low cost, easy molding, data thickness less than 3。2mm。 2。 Hot rolled sheet SHCC, data T greater than or equal to 3。0mm, is also used for plating, baking paint pieces, low cost, but difficult to shape, the first use plate。

3. Galvanized sheet SECC, SGCC. SECC electrolytic plates are divided into N materials and P materials. N materials are not primarily treated with exterior materials.

4。 Copper; The first use of conductive material, its surface treatment is nickel plating, chromium plating, or not treatment, high cost。

5. Aluminum plate; External chromate (j11-a), oxidation (conductive oxidation, chemical oxidation), high cost, silver plating, nickel plating.

6. Lu: xingcai; Section structure of complex materials, many of which are used in various kinds of boxes. Exterior treatment with aluminum plate.

7. Stainless steel; First of all, do not do any appearance treatment, high cost.



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