PENGARUH VARIASI KETEBALAN KOMPOSIT DAN KECEPATAN PUTARAN SPINDLE (RPM) PADA ENTRY SURFACE TERHADAP THRUST FORCE DAN KUALITAS LUBANG DENGAN MATERIAL KOMPOSIT KARBON EPOXY

Maulizar Ibnu, Ilham (2024) PENGARUH VARIASI KETEBALAN KOMPOSIT DAN KECEPATAN PUTARAN SPINDLE (RPM) PADA ENTRY SURFACE TERHADAP THRUST FORCE DAN KUALITAS LUBANG DENGAN MATERIAL KOMPOSIT KARBON EPOXY. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Carbon epoxy composite material is one of the most widely used materials in industry. The machining process commonly used on epoxy carbon composites is the drilling process. The drilling process is influenced by various machining parameters such as spindle rotation speed, feed speed, feed, cutting speed and cutting force. The purpose of this research is to study and determine the effect of cutting conditions on the thrust force in the drilling process of carbon fiber laminate composites. The manufacturing process of laminate composites uses the Vacuum Bagging method. The test was conducted using a Sinumerik 808D CNC Milling machine and a 6 mm diameter HSS tool. The machining parameters used were 1500 RPM, 2500 RPM, and 3500 RPM spindle rotation. And for composite thicknesses of 1,5 mm, 2mm, and 2,5mm. To measure the value of the thrust force that occurs in the machining process, digital scales are used. The results obtained from this study are, the minimum thrust force that occurs during the carbon fiber composite gurdi process is equal to 0.8002 N with a spindle rotation speed of 1500 RPM and a thickness of 1,5 (mm). the maximum thrust force that occurs during the carbon fiber composite gurdi process is equal to 9.173 N with a spindle rotation speed of 1500 RPM and a thickness of 2 (mm).

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