High-speed milling machining dynamic cutting force prediction system and parameter optimization method
A technology of high-speed milling and prediction system, applied in the field of mechanical processing, can solve the problems of inability to respond well to the dynamic characteristics of cutting force, inability to accurately predict cutting force, and low prediction accuracy, so as to achieve optimal processing efficiency and production cost. Balancing, improved coding and crossover, the effect of reducing the number of trials
A technology of high-speed milling and prediction system, applied in the field of mechanical processing, can solve the problems of inability to respond well to the dynamic characteristics of cutting force, inability to accurately predict cutting force, and low prediction accuracy, so as to achieve optimal processing efficiency and production cost. Balancing, improved coding and crossover, the effect of reducing the number of trials
CN113158371APending Publication Date: 2021-07-23HUAIAN COLLEGE OF INFORMATION TECH
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[0074] Embodiment: A dynamic milling force prediction system for high-speed milling, comprising:
[0075] The identification module obtains the milling force data according to the milling experiment, processes the data synchronously, and identifies the average cutting force coefficient and the instantaneous cutting force coefficient;
[0076] Among them, in the identification module, the synchronous processing of data includes: selecting the instantaneous milling force within one revolution of the experimental tool; according to the milling parameters, using MATLAB software to write the milling force prediction program; assuming a set of milling force coefficients, simulating the magnitude of the milling force ;Comparing the average value of milling force in multiple cycles with the simulated milling force, adjusting the average milling force to obtain a set of milling force corresponding to the rotation angle;
[0077] The average cutting force coefficient is
[0078] Th...
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The invention discloses a high-speed milling machining dynamic cutting force prediction system and a parameter optimization method, the milling force can be predicted through the milling force prediction system, a cutting force coefficient predicted by the system can be applied to prediction of the milling force under the same milling condition and different process parameters, meanwhile, the test frequency is reduced, and under the condition that the test is reliable, milling force model parameters can be identified through a single test, the test cost is reduced, the reliability and the success rate of the test are improved, a flutter stability lobe graph is obtained through an analytical method, a stable interval is obtained, and on the basis of the stable interval, the milling force is brought into constraint conditions for milling parameter process optimization; and meanwhile, aiming at a part of limitation of the standard genetic algorithm, the coding mode and the crossover and mutation probability in the standard genetic algorithm are improved, and the purpose of optimally balancing the processing efficiency and the production cost is achieved.
Description
technical field [0001] The invention relates to the technical field of machining, in particular to a dynamic cutting force prediction system and parameter optimization method for high-speed milling. Background technique [0002] The level of development of the manufacturing industry is an important indicator of a country's industrialization and regional comprehensive strength or competitiveness. In today's globalized world, market competition is increasingly fierce. This requires the manufacturing industry to respond quickly to the existing needs of the market and to have the ability to discover potential needs. Finally, products with excellent performance, reasonable price and short production cycle can be manufactured. As an important high-tech product in the machinery manufacturing industry, the CNC milling machine is an important basic equipment for processing precision and ultra-precision instruments and equipment, and an important symbol of the transformation of mech...
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Patent Timeline
23 Jul 2021
Publication
CN113158371A
- IPC
- G06F30/17; G06F30/27; G06N3/12; G06F111/04; G06F119/14
- CPC
- G06N3/126; G06F30/17; G06F30/27; G06F2111/04; G06F2119/14
- Inventors
- 殷红梅; 赵连星