Device and method for measuring wear amount of cutting edge of indexable deep hole drill bit

Abstract

An indexable deep hole drill cutting edge wear measurement device and measurement method, which solves the problems of cumbersome and time-wasting existing methods for separately measuring the cutting edge wear of blades, and belongs to the deep hole of heat exchanger tube sheet Hole group processing and manufacturing field. The wear measurement device of the present invention comprises a drill bit positioning frame, a positioning pin, a base and a measuring instrument; the measuring instrument is arranged on the upper side of the drill bit positioning frame, the indexable deep hole drill bit is fixed on the drill bit positioning frame, and a fixing seat is fixed on the base , the fixing seat is provided with sockets, and the drill bit positioning frame is provided with positioning holes corresponding to each cutting edge. The cutting edge of the deep hole drill bit to be measured is located at the measurement position directly below the measuring instrument, so that the measuring reference line of the cutting edge coincides with the probe axis of the measuring instrument. The present invention The present invention enables the measurement of the amount of wear of the cutting edge without removing the insert.

Description

technical field [0001] The invention relates to a method for measuring the wear amount of a cutting edge of an indexable deep hole drill bit, and belongs to the field of processing and manufacturing deep hole groups of heat exchanger tube sheets in boilers, petrochemicals, coal chemical industries, and nuclear power plants. Background technique [0002] As the core component of heat exchanger products, the tube sheet has a structural feature that a large number of heat exchange tube holes are distributed in a small area. According to the heat exchange principle of the heat exchanger, the thickness of the tube sheet is relatively large. Therefore, most of the tube holes are deep holes. For the above-mentioned heat exchanger tube plate deep hole group, the indexable deep hole drill is used for processing, which not only meets the high precision requirements of the tube plate deep hole group, but also ensures the processing efficiency. The optimal scheme of the deep hole group ...

AI Technical Summary

Problems solved by technology

[0006] Aiming at the cumbersome and time-wasting problems in the existing method of separately measuring the wear amount of the cutting edge of the blade, the present invention provides an indexable deep hole drill capable of measuring the wear amount of multiple cutting edges without removing the blade. Cutting edge wear measurement device and measurement method

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