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All Journal AMMA : Jurnal Pengabdian Masyarakat TECHNOLOGIC
T. Wibowo, Yohanes
Unknown Affiliation
Humanities Automotive Engineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing

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Peningkatan Kehalusan Produk Pada Industri Kecil Cetakan Dengan Pendekatan Eksperimental T. Wibowo, Yohanes
AMMA : Jurnal Pengabdian Masyarakat Vol. 3 No. 2 : Maret (2024): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

Nowadays, the efficiency of CNC milling machines has become one of the crucial issues in the industry in general and especially in small industries. This is due to high utilization but not efficiency. Low machine efficiency has an impact on the financial aspects of the industry. In addition to the issue of efficiency, the uncertainty of machining results is also a major issue because of its impact on time, cost, and large customer trust. Failure to achieve surface roughness results in rework, overtime, replacing materials, and starting the process from the beginning, all of which end in replacing materials and starting the process from the beginning, all of which end in costs. Through joint activities between industry and academia, an experiment was designed to experiment to improve the quality of the product surface and ensure that the product specifications are achieved. With this activity, machining parameters were obtained that could convincingly produce the target surface roughness. A total of 6 specimens were tested, and achieved 100% as targeted.
PENCARIAN METODA PEMBUATAN RUMAH LIFTER UNTUK MENGHILANGKAN PENYIMPANGAN LUBANG LIFTER DI PT. ASTRA OTOPARTS TBK. DIV. EDC T. Wibowo, Yohanes; Rizal Fathoni, Muhammad
Technologic Vol 9 No 1 (2018): Technologic
Publisher : LPPM Politeknik Astra

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Departemen DMC PT. Astra Otoparts Tbk. mempunyai tanggung jawab terkait bidang pembuatan cetakan (mold). Di area setting mold, terjadi penyimpangan waktu proses yang mengakibatkan keterlambatan proses trial mold. Penyimpangan tersebut disebabkan oleh lamanya proses asembling komponen lifter. Lifter yang tidak dapat diasembling dengan rumah lifter memerlukan proses repair. Penelitian menunjukan terjadinya penyimpangan pada lubang rumah lifter yang mempengaruhi lamanya proses asembling. Hal tersebut mendorong dilakukannya penelitian lebih lanjut terkait metoda dan proses pembuatan lifter dan komponen yang terkait dengan tujuan untuk mengetahui penyebab penyimpangan lifter dan untuk dapat mendapatkan metoda yang sesuai dalam pembuatan lifter. Setelah dilakukan berbagai percobaan, ditemukan penyebab penyimpangn dan metoda pembuatan yang sesuai.
Co-Authors Rizal Fathoni, Muhammad