Machining process and technology

Release time:

2024-04-30

Meticulous machining can be divided into upper and lower concave mode, which can be completed through its planing, milling, etching, turning, electric spark and other comprehensive processes. The size of the meticulous machining and the shape of the pit are consistent with the plate edge of the product. When in use, the wax mold is mainly used for industrial wax pressing, so its melting point is not high and its hardness is not high when selecting. When in use, the aluminum alloy material with relatively cheap price and lighter weight is used as the mold.

Meticulous machining can be divided into upper and lower concave mode, which can be completed through its planing, milling, etching, turning, electric spark and other comprehensive processes. The size of the meticulous machining and the shape of the pit are consistent with the plate edge of the product. When in use, the wax mold is mainly used for industrial wax pressing, so its melting point is not high and its hardness is not high when selecting. When in use, the aluminum alloy material with relatively cheap price and lighter weight is used as the mold.

After the first two sandblasting and natural air drying, the third sandblasting, the fourth sandblasting, the fifth sandblasting and other processes are carried out in turn. Then according to the size of the volume and the surface requirements and weight of the corresponding adjustment of the number of sandblasting, the number of sandblasting in general is 3-7 times.

Meticulous machining will coat multiple wax molds on the fixed die with industrial glue and spray a layer of fine sand evenly. The sand particles are very small and fine, so that the surface of the blank can be as smooth as possible. After the fine mechanical processing is completed by sandblasting and natural air drying, industrial glue will continue to be applied to the surface of the wax model during use, and then a layer of sand will be sprayed, the particle size of which is larger and thicker than the previous layer of sand. After spraying, the wax model will be allowed to dry naturally at the set constant temperature.
 

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Machining installation sequence and process

To arrange the detailed machining sequence, we need to follow the basic principles of "surface before hole" and "coarse before fine.

Mechanical processing technology Heat treatment process

With the development of aerospace, industry, microelectronics industry, modern and biological engineering technology, the demand for/detailed mechanical parts (feature size in micron to millimeter level) is increasingly urgent. The specificity of its structure and shape, the diversification of parts and materials, and the accuracy of size and surface quality have become the obvious characteristics of high-precision mechanical parts and their micro-devices and equipment, and the requirements in terms of use function, material characteristics, structure and shape, and sex are also getting higher and higher.

Machining details, forging and casting

In the process of meticulous machining, its mechanical properties are better than cast iron, but the cast iron properties of this material are poor, and the melting point is higher than other materials. There are many problems that need to be paid attention to in the process of processing, mainly because the flow performance of molten steel is relatively poor. In the process of processing, in order to prevent insufficient pouring or cold insulation from meticulous machining, the wall thickness of meticulous machining cannot be less than 8mm. The structural force of the gating system is relatively simple, in the process of using the equipment in the cross-sectional size of cast iron is large, so in the process of processing can also be used in the hot casting mold or dry casting mold.
Picture Name

The company mainly produces railway train brake control series of products, train hutch defends series products, train interior series products and aerospace products, for the Chinese car in each production vehicle company, the railway car depot, the subway and aircraft factory, some products are exported to the United States, France, Britain, India, Russia, Canada and other countries and regions.

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