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The reserch of the temperature impact in tool-workpiece contact on the quality of the cut at thermofrictional cutting

Sherov K., Sikhimbayev M., Mazdubay A., Sherov A., Rakishev A., Mussaev M., Donenbayev B., Bayzhabaginova G.

Mechanics and Mechanical Engineering

2017

Vol. 21, nr 3

755--762

The purpose of the given work is to describe the research methods of the temperature impact in contact on the quality of a cut. The mechanisms of the cut off process by a method of thermofrictional cutting (?FC) are revealed, the drawbacks emerging at the cutoff by a smooth disk in case of application of classical method ?FH are determined and described. The work describes a new mode of the cutoff with a high-frequency break of the contact whose principal difference is a new scheme of heat distribution at the expense of an impulse cycle of heat and refrigeration. Photos of cutting disks made from constructional steels and special equipment mounted on the basis of a lathe are provided, as well as dependence of influence of frequency and the zone size on the mean temperature in the contact are provided.