Pengaruh Variasi Tekanan Vacuum terhadap Penyimpangan Pembentukan Polycarbonate pada Proses Vacuum Forming

Al Hakim, Wahid Arief and , Muhammad Al Fatih Hendrawan. ST. MT (2020) Pengaruh Variasi Tekanan Vacuum terhadap Penyimpangan Pembentukan Polycarbonate pada Proses Vacuum Forming. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

The thermoforming process is one of the oldest and most widely used methods of forming plastic materials in the industrial world. The process is quite simple and can be used in the formation of a product with various types of materials, one of which is a polymer or plastic which has thermoplastic properties. One of the simpler thermoforming methods is vacuum forming. This method is done by applying heat treatment to the plastic sheet until the plastic becomes soft (it has not yet reached the melting point), then it is formed into a mould by applying suction pressure. In this research, a plastic sheet with the type of polycarbonate (PC) was used as a test material measuring 500 mm x 300 mm with a thickness of 1.5 mm. The heating temperature is set at 165°C and to print polycarbonate a vacuum pressure is used which is varied into three variations of pressure, namely: -0.13 Bar, -0.26 Bar and -0.39 Bar. From the research, it was found that the printed results on polycarbonate sheets with a thickness of 1.5 mm, which had the smallest deviation or difference in dimensions with the print, were a pressure of -0.39 Bar.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Thermoforming, vacuum forming dan polycarbonate (PC)
Subjects:	T Technology > TS Manufactures
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	WAHID ARIEF AL HAKIM
Date Deposited:	19 Nov 2020 03:25
Last Modified:	19 Nov 2020 03:25
URI:	http://eprints.ums.ac.id/id/eprint/87465

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