Micro-tooth arrangement design method for suppressing edge damage of multi-blade micro-tooth milling cutter

Abstract

The invention belongs to the technical field of difficult-to-machine material machining and provides a multi-edge micro-tooth milling cutter cutting edge damage inhibiting micro-tooth arrangement anddesign method. The method comprises axially splitting and expanding a three-dimensional milling cutter to form a two-dimensional milling cutter micro-tooth layout with a tangential-axial coordinate system, and then determining the structural parameters of the milling cutter to determine a design method that the upper end lower edges of micro-teeth are arranged in an overlapped mode; the edge overlapped mode of the micro-teeth can effectively reduce the cutting thickness of sharp corners and ensure excellent cutting performance of the micro-teeth under a long cutting stroke, and meanwhile, canensure relative uniformity of the cutting thickness of the micro-teeth, reduce tool vibration during high-speed milling of carbon fiber composite materials and accordingly avoid chipping at weak sharpcorners. Besides, based on the three-dimensional modelling software of SolidWorks, the accuracy of the multi-edge micro-tooth milling cutter cutting edge damage inhibiting micro-tooth arrangement anddesign method can be validated, and high-speed, stable and effective machining of the carbon fiber composite materials under high cutting capacity can be achieved.

Description

technical field [0001] The invention belongs to the technical field of cutting processing of difficult-to-machine materials, and relates to a micro-tooth arrangement design method for suppressing damage to the cutting edge edge of a multi-blade micro-tooth milling cutter. The cutting thickness can effectively solve the problem of edge damage of the cutting edge. Background technique [0002] Compared with other metal materials, carbon fiber reinforced resin matrix composites (CFRP) have performance advantages such as high specific strength, fatigue resistance, corrosion resistance and strong bearing capacity. And the preferred material for weight reduction and efficiency enhancement. For carbon fiber composite components used in aerospace equipment, after laying and curing, secondary processing is required to meet the assembly size requirements, and milling has become one of the main processing methods. However, carbon fiber composite materials are typical difficult-to-mac...

AI Technical Summary

Problems solved by technology

However, the micro-tooth milling cutter design of the above-mentioned invention patent does not consider the influence of the micro-tooth arrangement on the edge damage of the cutting edge. If the micro-tooth arrangement is unreasonable, the micro-tooth edge will be easily damaged, thereby reducing the processing quality and tool life.

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