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In the present investigation a series of orthogonal hard turning tests were conducted to study the effects of tool wear and cutting parameters (cutting speed and feed rate), on white and dark layer formation in hardened AISI 52100 bearing steel, using PCBN inserts. Experimental results were presented including quantification of tool wear and microstructure analysis of the machined surfaces. The experimental...
Hard turning technique is considered an attractive alternative to traditional finish grinding operations because of the high flexibility, the capability to achieve comparable workpiece quality, the ability to achieve higher metal removal rates and to operate without the use of coolants. Nevertheless, the surface integrity effects of hard turning need to be better understood due to their influence...
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