Association analysis method for service performance of high-speed milling cutter

A technology of correlation analysis and high-speed milling, applied in the direction of testing machinability, etc., can solve the problems of factors affecting the service behavior of high-speed milling cutters and the uncertainty of evaluation indicators.

Inactive Publication Date: 2011-07-20
HARBIN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-speed milling cutter service behavior characteristic model construction and gray correlation analysis method to solve the problem of small samples and poor information leading to high-speed milling cutter service behavior influencing factors and evaluation index uncertainty

Method used

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  • Association analysis method for service performance of high-speed milling cutter
  • Association analysis method for service performance of high-speed milling cutter
  • Association analysis method for service performance of high-speed milling cutter

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Experimental program
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Embodiment 1

[0019] A high-speed milling cutter service performance correlation analysis method, the method includes the following steps:

[0020] 1. Establish safety criteria for high-speed milling cutters:

[0021] High-speed milling cutter is a series system composed of cutter body, fastening screw, blade and other components. In the process of high-speed milling, when excessive centrifugal force and dynamic cutting force cause structural overload of the milling cutter and cause vibration, the high-speed milling cutter may fail due to deformation, fracture or resonance of the cutter body, blade, screw and other components, and the milling cutter The safety criterion is:

[0022] n≤n f1 / 1.6, n≥n f2 k g or n≤n f2 / k g (1)

[0023] no f1 =min(n 1 , n 2 , n 3 ,...,n i ), n f2 ≈60f gi / k z (2)

[0024] In the formula: n i is the failure speed of the strength of the milling cutter assembly; n f is the resonance failure speed of the milling c...

Embodiment 2

[0063] The milling cutter designed by the method comprises: a tool handle and cutter teeth set on it, the cutter teeth are multi-toothed, the cutter teeth are unevenly distributed, and the diameter of the milling cutter is It is more than 80mm, and the multi-teeth is more than 5 teeth.

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Abstract

The invention relates to an association analysis method for the service performance of a high-speed milling cutter. At present, a lot of problems exist in the aspect of evaluation on the data integrity and definition of the service behavior of the high-speed milling cutter, so the development and application of high-speed milling cutter products are limited. The method comprises the following steps of: A, establishing the safety criterion of the high-speed milling cutter, and establishing the safe and stable analysis of the diameter, tooth number, cutter tooth distribution and interactive action thereof of the milling cutter on high-speed milling by a test to obtain an influence law curve, wherein the strength failure rotate speed of the milling cutter is reduced with the increase of the diameter and the tooth number, and first-order modal inherent frequency has large difference under the interactive action of the diameter and the tooth number, and is a main parameter for influencing the safe and stable cutting performance of the milling cutter; B, establishing a high-speed milling cutter service behavior characteristic model which meets the requirements of machining efficiency and the quality of a machining surface; and C, analyzing and evaluating the service performance of the high-speed milling cutter quantitatively by the gray comprehensive association analysis of the service performance of the high-speed milling cutter. The method is used for analyzing the service performance of the high-speed milling cutter.

Description

Technical field: [0001] The invention relates to a high-speed milling cutter and a cutting performance evaluation method, in particular to a high-speed milling cutter service behavior characteristic model and a gray correlation analysis method thereof. Background technique: [0002] The service behavior of high-speed milling cutters is the commanding height of milling cutter materials, structural design and cutting performance research. It can not only comprehensively reflect the state and performance of milling cutters during high-speed cutting, but also comprehensively reflect the economic and social satisfaction of milling cutter products. , is the ultimate criterion for testing whether high-speed milling cutter products can meet the high-efficiency and high-precision cutting processing requirements of key parts. [0003] At present, there are still many problems in evaluating the data integrity and clarity of the service behavior of high-speed milling cutters, which limi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/58
Inventor 姜彬郑敏利
Owner HARBIN UNIV OF SCI & TECH
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