The diploma thesis presents the influence of rake face texturing on machinability of ck 45 steel. Firstly, theoretical points are given; cutting force, chip shapes and surface roughness are explained in detail. Afterwards, in the empirical part of the thesis, detailed analysis is carried out in order to determine the influence of rake face texturing on machinability of ck 45 steel. The machinability was evaluated using following estimators: cutting force, chip shapes and surface roughness. Rake face texturing, which provided lowest cutting force, favorable chip shapes and best surface roughness was considered as optimal when turning ck 45 steel.
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