KAJI EKSPERIMENTAL VARIASI RAKE ANGLE DAN CUTTING SPEED PADA PROSES PEMESINAN BUBUT TERHADAP TEMPERATUR DAN HEAT FLUX

PRABU, MUHAMAD SYAHDAN and Thamrin, Ismail (2019) KAJI EKSPERIMENTAL VARIASI RAKE ANGLE DAN CUTTING SPEED PADA PROSES PEMESINAN BUBUT TERHADAP TEMPERATUR DAN HEAT FLUX. Undergraduate thesis, Sriwijaya University.

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Abstract

In the lathe machining process, the thermal load has a major influence on the wear of the tool which has an impact on the cost of the cutting process. Cutting speed and rake angle are included variables that have an influence on the thermal load. This study aims to determine the optimum variable values for conduction heat transfer and cutting temperature, and to compare the influence between the two variables. This study uses an experimental method using a K type thermocouple where the wire is placed at the bottom of the insert from the carbide tool, close to the cutting interface. While the workpiece used was tested for chemical composition and it was found that the workpiece was AISI 1010 which is low carbon steel. After experimental testing and calculation of heat flux, it was found that the heat flux value is directly proportional to the cutting interface temperature value, so that the optimum value desired in this study is the minimum temperature values. It was found that the lowest heat flux value at every speed was at 5° rake angle, and the highest heat flux value at -5° rake angle. After comparison, it was found that the cutting speed had a more significant effect than the rake angle on the interface temperature and heat flux. The experimental results found are quite compatible with the theoretical basis, to get better experimental results it is advisable to measure the distance of thermocouple wire placement to the cutting interface of each test data, and also a flatter workpiece can produce more precise temperature measurements.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Rake Angle, Kecepatan Pemotongan, Temperatur, Heat Flux.
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ1-1570 Mechanical engineering and machinery
Divisions:	03-Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User:	Users 2099 not found.
Date Deposited:	26 Sep 2019 06:37
Last Modified:	26 Sep 2019 06:37
URI:	http://repository.unsri.ac.id/id/eprint/8976

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