Processing and manufacturing precision moulds, parts of precision moulds, etc.
Source of information:internet Published on:2021-05-14
The hardness test of metal stamping parts adopts Rockwell hardness tester. Small stamping parts with complex shapes can be used to test the plane is very small, can not be tested on the ordinary desktop Rockwell hardness tester.
Stamping processing includes punching, bending, deep drawing, forming, finishing and other processes. The materials processed by stamping parts are mainly hot-rolled or cold-rolled (mainly cold-rolled) sheet metal materials, such as carbon steel plate, alloy steel plate, spring steel plate, galvanized plate, tin plate, stainless steel plate, copper and copper alloy Plate, aluminum and aluminum alloy plate, etc.
The PHP series portable surface Rockwell hardness tester is very suitable for testing the hardness of these stamping parts. Alloy stamping parts are the most commonly used parts in metal processing and mechanical manufacturing. Stamping processing is a processing method that uses molds to separate or shape metal strips. Its application range is very broad.
The main purpose of the hardness test of stamping parts is to determine whether the annealing degree of the purchased metal sheets is suitable for the subsequent stamping parts processing. Different types of stamping parts processing techniques require plates of different hardness levels. The aluminum alloy plate used for stamping parts can be tested with a Webster hardness tester. When the material thickness is greater than 13mm, the Barcol hardness tester can be used. The pure aluminum plate or low hardness aluminum alloy plate should use the Barcol hardness tester.
The materials used for punching of Dongguan metal stamping parts should have sufficient plasticity and low hardness to improve the quality of the punching section and dimensional accuracy. Among them, soft materials (such as brass) have good punching performance, hard materials (such as stainless steel, high-carbon steel) have poor punching section quality, and brittle materials are prone to tearing during punching.
Precision metal processing has been widely used at present. We can use precision metal processing to produce the items we need every day. Although we know precision metal processing, many friends still don’t know what processes are involved in precision metal processing. share.
The manufacture of metal molds generally involves several processes such as forging, cutting, and heat treatment. Several major technological properties of hardware molds:
The service life of metal stamping molds is related to many factors such as mold structure design, mold steel selection, heat treatment, surface treatment, machining and grinding, wire cutting technology, stamping equipment, stamping materials and technology, mold lubrication, poor maintenance and repair
In the processing of precision parts, metal stamping processing occupies a large part. Let's understand what the process performance of precision metal stamping processing is: Casting performance refers to some process performances of whether a metal or alloy is suitable for casting, mainly including flow performance, the ability to fill the mold; shrinkage, the ability to shrink the volume when the casting is solidified; segregation refers to Inhomogeneity of chemical composition.
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