Can the increased feed be beneficial on the surface quality in tangential turning?

Sztankovics, István (2024) Can the increased feed be beneficial on the surface quality in tangential turning? MULTIDISZCIPLINÁRIS TUDOMÁNYOK: A MISKOLCI EGYETEM KÖZLEMÉNYE, 14 (4). pp. 66-73. ISSN 2062-9737

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Abstract

The increase of the productivity in machining of mechanical parts is often achieved by the application of higher feed values. However, this usually leads to the generation of rougher surface topography. Therefore, the achievable surface roughness usually limits the maximum value of the feed in machining, hence the realisable productivity is highly limited. In this study, the tangential turning procedure is being analysed in the point of view of the generated surface topography. Experiments were carried out on 42 CrMo4 cylindrical workpieces to measure the roughness after machining. The evaluation of the results showed that the small increase of the feed has an advantageous effect on the surface roughness in tangential turning, because the chip removal becomes more stable thus decreasing the generated deflects on the surface.

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