High-precision double-sided grinding method and machine of annular parts with unequal areas of two end surfaces

Abstract

The invention relates to a high-precision double-sided grinding method and machine of annular parts with unequal areas of two end surfaces. According to a rule that the rotating speed and the grinding amount of a grinding wheel of a grinding machine are proportionable, a motor transducer is additionally arranged on a circuit of an assisted grinding system of the grinding machine, the area ratios of two different end surfaces of different parts are converted into different grinding amount ratios so that the frequency ratio and the rotating speed ratio are further adjusted; an appropriate rotating speed ratio of a reference grinding wheel and an assisted grinding wheel is reached by changing and controlling the frequency of the assisted grinding wheel circuit; requirements on thickness, roughness, planarity, parallelism and the like can be stably reached or exceeded finally; the production efficiency is greatly increased and is 28 times that of the common M7160; the production cost is effectively reduced; and the batch production of the parts is realized.

Description

technical field [0001] The invention relates to a processing method and processing equipment for double-end parts, in particular to a high-precision double-sided grinding process for ring-shaped metal parts with different end surface areas such as bearing rings, friction plates, valve plates, and gaskets. Methods and grinders. Background technique [0002] Such as Figure 1-2 The double-end annular metal part shown is widely used in various mechanical mechanisms in the industries of automobiles, tractors, and internal combustion engines, such as automotive gearboxes, gaskets in engines, and piston rings in internal combustion engines. This type of parts is disc-shaped or ring-shaped, and its characteristic is that the material is generally 20Cr or 20# steel, the thickness of the part is 5-10mm, the outer diameter of the disc-shaped or ring-shaped part is between 50-80mm, and the hole of the ring-shaped part is For round hole or rectangular teeth and spline teeth, the end fa...

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is: for the high-precision requirements of the ring parts with different two-end surface areas in terms of thickness, roughness, flatness, parallelism, etc., and the use of common grinding methods is difficult to meet the requirements and the processing efficiency is low. In the current situation, a high-precision double-sided grinding method and grinding machine for annular parts with different end surface areas are proposed, which can fully meet or exceed the requirements of product thickness, roughness, flatness, parallelism, etc., and greatly improve production efficiency. Can be widely used in the production of such spare parts as automobiles, tractors, and internal combustion engines

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