Entry level machinistsalary

This document discusses tool wear in machining. It defines tool wear as the gradual failure of cutting tools due to regular operation. There are three main modes of tool failure: fracture failure from excessive forces, temperature failure if the tool gets too hot, and gradual wear over time. Factors that influence the rate of tool wear include the tool material, workpiece material, cutting dimensions/speed, tool geometry, temperature, and cutting fluid used. The main types of tool wear are crater wear on the rake face, flank wear along the tool edge, and corner or nose wear which shortens the cutting edge. Controlling tool wear involves reducing the cutting temperature through fluids/lubricants or advanced tool materials.Read less

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