Method and system for determining milling force of ball end milling cutter based on flank wear
A ball-end milling cutter, a technique for determining the method, applied in the direction of metal processing equipment, instruments, geometric CAD, etc.
Active Publication Date: 2020-06-09
HARBIN XINLI PHOTOELECTRIC TECH
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[0003] The multi-milling force calculation model in the prior art, the theoretical analysis model is to analyze the milling process, based on a large number of milling force experimental data, to carry out modeling research on the relationship between stress, strain, friction angle and milling force in the milling process , the theoretical analysis model establishes a mathematical model related to the main parameters by analyzing the influence of the parameters of the inclination angle and the shear stress on the milling force, and establishes an empirical coefficient model of the relationship between different parameters and the milling force. The method for modeling milling forces in the case of tool face wear does not cover
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[0069] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0070] The object of the present invention is to provide a method and system for accurately determining the milling force of a ball end mill based on flank wear.
[0071] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0072] Such as figure 1 As shown, a method for d...
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The invention provides a rear cutter surface abrasion based milling force determining method and system of a ball end milling cutter. The method comprises the following steps: calculating infinitesimal shearing force of the front cutter surface of the ball end milling cutter of which the rear cutter surface is abraded; building a stress distribution model of the abraded rear cutter surface of theball end milling cutter to obtain the stress distribution model of the rear cutter surface; building a friction stress model based on friction effect of the rear cutter surface of the ball end millingcutter; calculating the milling force coefficients of planar slot cutting; and calculating the milling force of the abraded rear cutter surface of the ball end milling cutter based on the milling force coefficient, the stress distribution model of the rear cutter surface and the frictions tress model. With the adoption of the method and the system, the milling cutter of the ball end milling cutter of which the rear cutter surface is abraded can be accurately monitored in real time.
Description
technical field [0001] The invention relates to the field of milling, in particular to a method and system for determining the milling force of a ball end mill based on flank wear. Background technique [0002] In the process of plane milling, the milling force is an important physical parameter, so the modeling of milling force is an important research content in the field of milling today. Milling force thickness model, milling shear theory is proposed, and milling force formula is established; milling force model is established by cutting slip line method. [0003] The multi-milling force calculation model in the prior art, the theoretical analysis model is to analyze the milling process, based on a large number of milling force experimental data, to carry out modeling research on the relationship between stress, strain, friction angle and milling force in the milling process , the theoretical analysis model establishes a mathematical model related to the main parameters...
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IPC IPC(8): B23Q17/09G06F30/17G06F119/14
Inventor 岳彩旭都建标高海宁刘献礼梁越昇王立翚
Owner HARBIN XINLI PHOTOELECTRIC TECH