Feature-based machine tool accuracy optimization design method

Abstract

The invention relates to a feature-based machine tool accuracy optimization design method. According to the feature-based machine tool accuracy optimization design method, machine tool accuracy optimization design is carried out directly using the machining feature accuracy requirements of a component; the machining strategies of features are obtained according to component machining features; based on the machining accuracy requirements of the components and a machine tool structure, a constraint relation between the machining feature accuracy of the components and machine tool accuracy is established; cost information is utilized to establish an optimization design objective function; and an optimized machine tool accuracy design reference value can be obtained through calculation. With the feature-based machine tool accuracy optimization design method of the invention adopted, problems such as long period and large work amount caused by reliance on experiences and standards or repeated testing in a machine tool accuracy design process in machine tool design can be solved, and an accuracy design basis is provided, and the design capacity of machine tool design enterprises for machine tool users can be strengthened.

Description

technical field [0001] The invention belongs to the technical field of machine tool processing, and relates to machine tool design technology, in particular to a method capable of guiding machine tool designers to carry out precision design, specifically a feature-based machine tool precision optimization design method. Background technique [0002] Machine tool precision parameters are an important part of machine tool performance parameters, which largely determine the quality level of processed products. With the continuous improvement of machinery manufacturing enterprises' demand for machine tool performance, the research and development of high-speed and high-precision machine tools will become the direction of future development, and many key technical issues such as precision design and optimization of machine tools have become restrictions on the overall performance of machine tools in my country. The bottleneck of machine tool product development. [0003] At prese...

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Problems solved by technology

[0008] The technical problem to be solved by the present invention is: Aiming at the current problems that machine tool manufacturers rely on experience and standards or trial and error in the design process of machine tools, the cycle is long, the workload is heavy, etc., a feature-based machine tool precision optimization design method is proposed, directly using The precision of the machining features of the parts requires the optimization design of the machine tool precision

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