Analisa Pengaruh Variasi Kecepatan Spindle Pada Proses Bubut Material Baja, Aluminium Dan Kuningan Terhadap Kekasaran Permukaan Benda

Ari Sri Wahyudi, Fatah and , Ir. Agus Hariyanto, MT (2020) Analisa Pengaruh Variasi Kecepatan Spindle Pada Proses Bubut Material Baja, Aluminium Dan Kuningan Terhadap Kekasaran Permukaan Benda. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

This study aims to determine the surface roughness of steel, aluminium, and brass according to ISO 1302 standards on spindle speed. As well as knowing the chemical composition according to ASTM E415 standards, ASTM E1251, ASTM E478 and knowing rockwell hardness according to ASTM E18 standards, this research method is the process of flat turning on steel, brass and aluminium with a length of 300 mm and 38 mm diameter, with variations in spindle speed 230 rpm, 320 rpm, 450 rpm, 720 rpm and 1000 rpm with a constant feed motion of 0.06 mm / turn and a cutting depth of 0.5 mm. The tools used in this study were Rekindo lathe type CDL6241, rockwell hardness testing machine Mitutoyo brand, 00203351 series arun metal scan spectrometer, and surface roughness tester TR200. Chemical composition testing results show that the material used is medium carbon steel, pure aluminum, and high alloy brass. Rockwell hardness test results show that steel has a hardness of 88.2 kgf/mm, brass at 67.1 kgf/mm, aluminum at 58.76 kgf/mm. Surface roughness test results showed that the value of surface roughness in steel, brass and alumnium values obtained the smallest roughness at a spindle speed of 1000 rpm while the largest surface roughness value was obtained at a spindle speed of 230 rpm.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Chemical composition, rockwell hardness, surface roughness
Subjects:	T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	FATAH ARI SRI WAHYUDI
Date Deposited:	15 Aug 2020 03:59
Last Modified:	15 Aug 2020 03:59
URI:	http://eprints.ums.ac.id/id/eprint/84785

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