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Profile tolerance compensation method of S-shaped ball-end milling cutter

A technology of ball-end milling cutter and compensation method, which is applied in the direction of instruments, computer control, simulators, etc., can solve the problems of inaccurate measurement of grinding wheel parameters, out-of-tolerance of the ball-end profile of the ball-end milling cutter, etc., and improve the processing quality , the effect of controlling the contour

Active Publication Date: 2017-05-31
KEDE NUMERICAL CONTROL CO LTD
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Problems solved by technology

[0004] The invention provides a method for compensating the contour of an S-shaped ball-end milling cutter, which solves the problems caused by the dynamic performance of the machine tool, the geometric accuracy of the machine tool, the positioning error of the machine tool, and the inaccurate measurement of the grinding wheel parameters during the grinding process of the ball-end milling cutter. The problem of out-of-tolerance of the ball end profile caused by the ball end milling cutter

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  • Profile tolerance compensation method of S-shaped ball-end milling cutter
  • Profile tolerance compensation method of S-shaped ball-end milling cutter
  • Profile tolerance compensation method of S-shaped ball-end milling cutter

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[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0041] figure 1 It is a flow chart of the contour compensation method of a kind of S-shaped ball end milling cutter of the present invention, as figure 1 As shown, the method of this embodiment includes:

[0042] Step 101, select a number of points where the contour degree is to be compensated according to the contour map of the S-shaped ball en...

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Abstract

The invention provides a profile tolerance compensation method of an S-shaped ball-end milling cutter. The profile tolerance compensation method comprises the following steps: selecting a plurality of points needing profile tolerance compensation according to a profile graph of the S-shaped ball-end milling cutter and determining coordinates of the compensation points; selecting a proper interpolation or fitting method to approach the compensation points to obtain a radius transition curve; obtaining a radius corrected value of each grinding point according to the radius transition curve; moving a grinding wheel along a relief angle tangent plane normal direction of the grinding point according to the radius corrected value. The method provided by the invention can be used for effectively controlling the profile tolerance of a ball end and the machining quality of a ball-end S-shaped edge is improved.

Description

technical field [0001] The invention relates to the technical field of ball-end milling cutters, in particular to a method for compensating the contour of an S-shaped ball-end milling cutter. Background technique [0002] Ball end milling cutters are important tools for milling various complex surfaces, especially with the increasing number of CNC machine tools, the demand for such tools will increase day by day. The conventional ball end milling cutter has a straight edge, which is not easy to remove chips during the cutting process. The chips are easy to accumulate near the cutting edge and block the milling cutter, which not only affects the machining accuracy, but also reduces the service life of the tool. At present, most domestically purchased S-shaped ball-end milling cutters made abroad, the rake face is a wave-shaped surface, which is easy to remove chips. Some domestic experts and factories have done a lot of work on the processing mechanism and mathematical model...

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Application Information

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IPC IPC(8): G05B19/404
Inventor 刘静文董大鹏林猛李欣泽黄玉彤蒋文彬李耀东
Owner KEDE NUMERICAL CONTROL CO LTD
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