The Effect of Cutting Parameter towards Surface Roughness in Conventional Turning
Journal Title: International journal of Emerging Trends in Science and Technology - Year 2017, Vol 4, Issue 4
Abstract
The study was conducted with depth of cut, cutting speed, and cutting length as cutting parameters by referring surface roughness as a standard. In the study, cutting parameter variations which were applied were 0.25 mm, 0.5 mm, 0.75 mm of depth of cut; 50mm/rev, 80 mm/rev, 110 mm/rev of cutting speed; and 50 mm, 100 mm, 150 mm of cutting length by using carbide DCMT 070208-C25 as the tool. The maximum surface roughness value, which was 4,35 µm, was produced at 0.5 mm of depth of cut, 50 mm/rev of cutting speed, and 50 mm of specimen length. Due to the large depth of cut and low cutting speed, the tool could not move along the specimen’s diameter and it resulted in threaded finish. Besides, chips which piled on the tool’s edge also affected the specimen’s surface. The minimum surface roughness value, which was 0.76µm, was produced at each cutting parameter variation of 150 mm of cutting length, 110 mm/revof cutting speed, and 0.25 mm of depth of cut. This was because high cutting speed made the formed chips are passed off along the specimen’s rotating movement which thus resulted in minimizing chips piling on the tool’s edge. Besides, the high cutting speed could make the tool able to move along the whole specimen’s surface diameter and it made the feeding even
Authors and Affiliations
Hastono Wijaya
Keywords
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