Analisis Pengaruh Variasi Sudut Potong Dan Kecepatan Putar Terhadap Getaran Pahat Dan Kekasaran Pada Proses Bubut Bronze AB2

Pernandikha, Rahmat (2024) Analisis Pengaruh Variasi Sudut Potong Dan Kecepatan Putar Terhadap Getaran Pahat Dan Kekasaran Pada Proses Bubut Bronze AB2. Sarjana (S1) thesis, Universitas Islam 45 Bekasi.

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Abstract

In the world of the manufacturing industry, the machining process is a main process in the metal manufacturing industry, one of which is the turning process. In the turning process, it is difficult to get good product quality, this is caused by several factors such as determining the spindle rotation speed and the cutting angle to be used. Chisel vibration and surface roughness on the workpiece greatly affect the quality of the product being made. Vibration of the chisel will cause a lack of accuracy in measurements of the product being made. The level of surface roughness of the workpiece is very important for planning the machining process which is related to friction, fatigue resistance and wear. The main objective of this research is to determine the effect of varying cutting angles on tool vibration and low surface roughness on AB2 bronze material in the turning process. This research is an experimental study using cylindrical AB2 bronze material with a flat turning process with a diameter of 20 mm and a length of 100 mm, with 3 types of cutting angles and 3 types of spindle rotation speeds. The results of this research can be concluded that a spindle rotation speed of 700 Rpm with a cutting angle of 65º produces the lowest vibration of 1.5 mm/s and the lowest level of surface roughness is obtained at a spindle rotation speed of 700 Rpm with a cutting angle of 80º, namely 0.584 µm. Keywords: Lathe machine, tool vibration, surface roughness, spindle rotational speed, cutting angle

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