Axial float detection device and method of spindle of grinding machine for machining solid milling cutter

Abstract

The invention relates to a grinding machine, in particular to an axial float detection device and method of a spindle of a grinding machine for machining a solid milling cutter. The axial float detection device of the spindle of the grinding machine for machining the solid milling cutter is provided with a motor, a sleeve, a steel ball, a camera and a dial gauge. The steel ball is fixed into a center hole in the center of the end face of the spindle through the sleeve with a part of the steel ball exposed outside the sleeve, the dynamic balance of the spindle is detected, and the sleeve is adjusted to make the dynamic balance of the spindle up to standard; the dial gauge is horizontally installed to make the axis of the dial gauge located in the same straight line as the axis of the spindle, a plane measuring head of the dial gauge is made to make contact with the outer contour of the steel ball, and the pointer of the dial gauge is adjusted to point to the center 0; the motor is started to make the spindle rotate at a given speed; after the spindle operates stably, the camera installed over the dial gauge is turned on to record the swinging process of the pointer of the dial gauge; the video is played back to find the maximum and minimum swinging values of the pointer and determine the axial float accuracy of the spindle.

Description

technical field [0001] The invention relates to a grinding machine, in particular to an axial movement detection device and a detection method for the main shaft of an integral milling cutter processing grinding machine. Background technique [0002] The axial movement of the main shaft of the special grinding machine for integral milling cutter processing has a very significant impact on the machining accuracy. The axial movement directly leads to changes in the feed rate of the grinding wheel, so that the processing quality of the milling cutter cannot be guaranteed. In the current factory, the detection method for the axial movement of the main shaft of this type of grinding machine mainly uses a dial indicator for manual measurement. Since there is a center hole at the center of the spindle end face, the spherical probe of the dial gauge cannot be directly punched at the center of the spindle end face, but near the center hole. The process of measurement is that the wor...

AI Technical Summary

Problems solved by technology

[0003] 1. The position of the dial indicator probe is not the center of the spindle end face, which will cause the measured value to increase the spindle end face swing error

[0004] 2. The method of manually rotating the spindle can only measure the axial movement accuracy of the spindle at low speed, and the working speed of the spindle generally avoids low speed, so the measured value cannot ensure the machining accuracy

[0005] 3. There is a great subjective factor in directly observing the beating of the dial indicator needle with the eyes, and it cannot be observed repeatedly

This method can only adapt to the detection at low speed

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