INVESTIGATION OF THE EFFECTS OF TOOL WEAR ON TEMPERATURE AND SURFACE ROUGHNESS VALUE IN THE DIN 1.2343 MATERIAL MACHINING
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Keywords:
DIN 1.2343, hard turning, tool wear, surface roughnessAbstract
Turning of materials above 45 HRC Hardness is defined as hard turning. After the workpiece material
is hardened by heat treatment, abrasion resistance increases according to the place of use. But
hardening materials are very difficult for machining. Hard turning is also a finish turning process.
Therefore, it must have very good surface quality. Good surface quality and low tool wear are
desirable during the hard turning. Thus, the reduces frictional losses. In this experimental study, the
material of DIN 1.2343 is machined with a hard metal insert. Wear of the tools formed during
machining; temperature, sound intensity and surface roughness values were investigated. Accordingly
experimental result, the amount of wear increases, the sound intensity increases, the surface roughness
value deteriorates and the temperature increases.
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