Japanese precision machining, pressing the protrusion with hand, can actually integrate with the flat surface. Precision machining is a mechanical processing method that achieves a machining accuracy of 0.1 micrometers. Precision mechanical processing mainly includes processes such as precision turning, precision boring, precision milling, precision grinding, and grinding.
Japanese precision machining, the parts are made by the Takeda Metal Mold Manufacturing Institute through high-precision metal processing. The parts should be manufactured using a slow wire cutting process, which can achieve an accuracy of 0.001mm and the surface can also reach Ra0.4~0.2 μ The roughness of m.
The difficulty in precision machining in Japan lies in the tolerance design of the matching dimensions of two workpieces and the level of machining implementation. There are high requirements for the diameter accuracy of copper alloy wire (consumables) required for slow wire walking, the repeated positioning accuracy of equipment operation, and software design ability. So it’s not easy to make the parts in the picture in the end.
Precision mechanical processing is achieved using precision machine tools, precision measuring tools, and gauges under strictly controlled environmental conditions. Ultra precision machining refers to machining with a machining accuracy of 0.1 micrometers or more.
In the aviation and space industry, precision machining is mainly used to process precision mechanical parts in aircraft control equipment, such as precision mating parts in hydraulic and pneumatic servo mechanisms, gyroscope frames, shells, air floating, liquid floating bearing components and floats. The precision components of aircraft have complex structures, low stiffness, high precision requirements, and a large proportion of difficult to machine materials.
The process effect of precision machining:
1 The geometric shape and mutual position accuracy of the parts reach micrometer or angular second level;
2 The boundary or feature size tolerance of the part is below micrometers;
3 The micro unevenness of the part surface (average height difference of surface unevenness) is less than 0.1 micrometers;
4 Mutual accessories can meet the requirements of compatibility;
5 Some parts can also meet precise mechanical or other physical characteristics requirements, such as the torsional stiffness of the torsion bar of the float gyroscope and the stiffness coefficient of flexible components.
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