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What conditions are required for refining precision metal stamping parts?
Release time:2023-02-21Views:1085

Apply external forces on plates, strips, pipes and profiles through punches and dies to make them plastic deformation or separation, so as to obtain the required style and size of workpiece forming processing technology, and the workpiece obtained is a stamping part. Stamping and casting belong to plastic processing (or pressure processing), which is called forging. Hot-rolled and cold-rolled steel plates and strips are the key to stamping blanks.

Compared with castings and forgings, stamping parts are thin, even, light and strong. Stamping can produce workpieces with reinforcing ribs, undulations or flanging to improve their rigidity which other skills are difficult to produce. Due to the strict acceptance of the die, the precision of the workpiece can reach the micron level, with high repetition precision and consistent specifications, and can punch out the hole socket, boss, etc.

Generally, cold stamping parts are no longer subject to cutting treatment, or only need a small amount of cutting treatment. The precision and surface condition of hot stamping parts are lower than those of cold stamping parts, but still better than castings and forgings, and the cutting amount is small.

Stamping is an efficient production process, which can accept composite molds, especially multi-station molds. It can realize multiple stamping processes on the press and realize automatic production, from uncoiling, straightening, stamping to forming and refinement.

The processing of stamping parts includes stamping, bending, stretching, forming and finishing. The so-called plate forming refers to the forming technology of plastic processing with plates, thin-walled tubes, thin sections, etc. as raw materials. It is generally referred to as sheet forming, and the deformation in the direction of thick plate is generally ignored.

PHP series portable surface Rockwell hardness tester is suitable for testing the hardness of these stampings. Alloy stamping parts are commonly used in metal processing and machine production platforms. Stamping parts processing is a processing technology, which can separate the mold or form metal strip, and its use is limited widely. The hardness test of precision metal stamping parts is subject to Rockwell hardness tester. Small and complex stamping parts can be used to test the small plane, and cannot be used to test the ordinary desktop Rockwell hardness tester.

The key purpose of hardness inspection of stamping parts is to determine whether the annealing degree of the purchased metal plate is suitable for subsequent stamping parts processing. Different types of stamping parts processing require different hardness grades and other plates. The aluminum alloy plate used for stamping parts processing can be tested with a Wechsler hardness tester. When the material thickness is greater than 13mm, the hardness tester can be used instead, and the pure aluminum plate or low hardness aluminum alloy plate shall accept the hardness tester.

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