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JURNAL POLI-TEKNOLOGI
Published by Politeknik Negeri Jakarta
ISSN : 14122782     EISSN : 24079103     DOI : https://doi.org/10.32722/pt.v20i1
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation
Poli-Teknologi Journal is a journal, which began publication in 2002, published by the Research and community service Unit of Politeknik Negeri Jakarta. It starts from Volume 1 Number 1 in January 2022 for printed version; ISSN (print) 1412-2782 and ISSN (online) 2407-9103. Poli-Teknologi Journal is a series of scientific publications in applied science and technology area from the perspective of a multi and interdisciplinary studies and it is published 3 times in year.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 13 Documents
 1   2 
Search results for , issue "Vol. 16 No. 3 (2017)" : 13 Documents clear
ANALISA UMUR PAKAI (LIFETIME) BALL BEARING TIPE UCF 4 BOLT FLANGE UNIT PADA MESIN SPIN COATING ABRASIVE CLUTCH TEST DI PT XY Syaiful Azis; M Zakinura
Jurnal Poli-Teknologi Vol. 16 No. 3 (2017)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v16i3.984

Abstract

ABSTRACTSpin Coating Abrasive Clutch Test Machine is a machine for testing abrasive clucth on clutch components of PT.XY four-wheeled clutch. One component that plays an important role in the Spin Coating Abrasive Clutch Test Machine is a type bearing Ball Bearing type UCF 4 Bolt Flange Unit. Problems with the bearings may interfere with the performance and results of abrasive clutch testing performed on the machine.Spin Coating Abrasive Clutch Test Machine plays an important role in the Clutch testing process for four-wheeled vehicles, but the situation in the field itself is not yet a system of care, especially in bearing parts which are the mechanical part of the Spin Coating Abrasive Clutch Test Machine. Mechanical Parts of Spin Coating Abrasive Clutch Test Machine using a system of rotation with the help of V-belt connected to the motor. Bearing problems can cause the performance of Spin Coating Abrasive Clutch Test Machine in Abrasive Clutch testing to affect the precision value of the test result, therefore an analysis is needed to calculate the lifetime of Bearing to prevent failure of test result. The research was conducted by observation in the field, direct interview with technician and operator, study literature until data analysis exist in the field.Keywords: Bearing Age (Lifetime) Bearing, Ball Bearing type UCF 4 Bolt Flange Unit, Spin Coating Abrasive Clutch Test Machine.ABSTRAKSpin Coating Abrasive Clutch Test Machine merupakan mesin untuk pengujian abrasive clucth pada kompononen kampas kopling (clutch) kendaraan roda empat PT.XY. Salah satu komponen yang berperan penting pada Spin Coating Abrasive Clutch Test Machine adalah bearing jenis Ball Bearing tipe UCF 4 Bolt Flange Unit. Permasalahan pada bearing dapat mengganggu kinerja dan hasil pengujian abrasive clutch yang dilakukan pada mesin tersebut.Spin Coating Abrasive Clutch Test Machine berperan cukup penting dalam proses pengujian Clutch untuk kendaraan roda empat, tetapi situasi di lapangan sendiri belum adanya suatu sistem perawatan terutama pada bagian bearing yang merupakan bagian mekanik fital dari Spin Coating Abrasive Clutch Test Machine. Bagian Mekanik dari Spin Coating Abrasive Clutch Test Machine menggunakan sistem Putaran dengan bantuan V-belt yang terhubung dengan motor. Permasalahan pada bagian Bearing dapat menyebabkan berkurangnya performa Spin Coating Abrasive Clutch Test Machine dalam pengujian Abrasive Clutch sehingga mempengaruhi nilai kepresisian dari hasil pengujian, maka dari itu diperlukannya suatu analisa untuk menghitung umur pakai ( lifetime) dari Bearing untuk melakukan pencegahan kegagalan hasil pengujian. Penelitian dilakukan dengan cara melakukan observasi di lapangan, wawancara langsung dengan teknisi dan operator, study literatur hingga analisa data yang ada di lapangan.Kata Kunci: Umur Pakai (Lifetime) Bearing, Ball Bearing tipe UCF 4 Bolt Flange Unit , Spin Coating
PREVENTIVE MAINTENANCE MESIN RE-WEAVING OMNI PLUS TC800 DI PT. XX Sidiq Ruswanto; Septa Dwi Narastyana
Jurnal Poli-Teknologi Vol. 16 No. 3 (2017)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v16i3.985

Abstract

ABSTRACTPT. XX is engaged in autoparts tire cords manufacturing industry for two-wheelers and four-wheelers that fit the fields of students. One of the machines contained in this PT. X is Re-Weaving. Re-Weaving machine works by separate fabric become yarns then weave again until become Geige fabric with other types. Problems experienced by the Re-Weaving machine at this time is the unavailability of maintenance schedule. Preventive Maintenance system is considered able to prevent the decline in production function due to Breakdown Maintenance. So to avoid Breakdown Maintenance and going Down Time, this machine needs maintenance system in the form of Preventive Maintenance. The author has the goal that maintenance actions on Re-Weaving machine can be done based on the appropriate maintenance schedule, maintenance process can run well. Determining maintenance schedules based Reliability Centered Maintenance (RCM) methods. Failure machine data from 2015 – 2017 conducted study into the causes of engine failure from five critical componentKeywords : Preventive Maintenance, Reliability Centered Maintenance, Scheduling Maintenance, Standard Operating Procedure.ABSTRAKPT. XX bergerak dalam bidang industri manufaktur kain penguat ban untuk roda dua dan roda empat yang sesuai dengan bidang mahasiswa. Salah satu mesin yang terdapat di PT. X ini yaitu Re-Weaving .Re-weaving merupakan proses pengayaman kembali dari geige fabric (gulungan kain) menjadi geige fabric dalam tipe lain. Permasalahan yang di alami oleh Re-Weaving saat ini adalah belum tersedianya jadwal pemeliharaan. Sistem perawatan berupa. Preventive Maintenance dianggap mampu mencegah penurunan fungsi produksi karena adanya Breakdown Maintenance. Maka untuk menghindari Breakdown Maintenance dan terjadi Down Time, mesin ini membutuhkan sistem perawatan berupa Preventive Maintenance. Penulis memiliki tujuan agar tindakan pemeliharaan pada mesin Re-Weaving dapat dilakukan berdasarkan jadwal pemeliharaan yang tepat, proses pemeliharaan dapat berjalan dengan baik. Penentuan jadwal pemeliharaan berdasarkan metode Reliability Centered Maintenance (RCM). Dari data kegagalan mesin tahun 2015 - 2017 dilakukan penelitian penyebab kegagalan mesin dari lima komponen kritisKata kunci : Preventive Maintenance, Reliability Centered Maintenance, Jadwal Pemeliharaan, Standard Operating Procedure.
ANALISA PEMBENTUKAN INKREMENTAL SATU TITIK TERHADAP PELAT ALUMINIUM MENGGUNAKAN MESIN FRAIS CNC TU-3A Almahdi Almahdi; Budhi M. Suyitno; Eka Maulana
Jurnal Poli-Teknologi Vol. 16 No. 3 (2017)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v16i3.986

Abstract

ABSTRACTSingle Point Incremental Forming is one of the methods in the sheet metal forming process. These shaping techniques are already being developed and applied in the manufacturing industry, because it can be a solution to decrease the cost production. This process does not use a mold-forming as in a conventional forming process, but using tools that can stretch sheets clamp plate to be formed. The forming process can be done through operational CNC Milling Machine. For experimental research, design and build instruments and tools forming plate holders are simple and can be used with CNC Milling Machines TU-3A. Sheet metal as an object to forming have Aluminum with a thickness of 0.55 (mm). These conditions, this study aims to observe phenomena that arise and choose the value of the maximum machining parameters to get the best product shape. Machining parameters are the subject of research is the number of revolutions of forming tool (rpm), the depth of the forming cycle (mm), horizontal shear velocity (mm / min), and the maximum depth of the basin shape to.Keywords : Single Point Incremental Forming, Milling Machine TU-3AABSTRAKPembentukan Inkremental Satu Titik adalah salah satu metoda dalam proses membentuk lembaran logam (pelat). Teknik pembentukan ini sudah mulai dikembangkan dan diterapkan di industri manufaktur, karena dapat menjadi solusi dalam meringankan biaya pruduksi. Proses ini tidak menggunakan cetakan pembentuk seperti pada proses pembentukan konvensional, tetapi menggunakan alat bantu penjepit yang dapat meregang lembaran pelat yang akan dibentuk. Proses pembentukan tersebut dapat dilakukan melalui operasinal Mesin Perkakas Frais CNC. Untuk eksperimen penelitian ini, dirancangbangun alat pembentuk dan alat bantu pemegang pelat yang sederhana dan dapat digunakan bersama Mesin Frais CNC TU-3A. Lembaran logam sebagai objek untuk pembentukan dipilih Pelat Aluminium dengan ketebalan 0.55 (mm). Penelitian ini bertujuan untuk mengamati fenomena yang timbul dan memilih nilai parameter-parameter permesinan maksimum untuk mendapatkan hasil produk bentuk yang terbaik. Parameter permesinan yang menjadi pokok penelitian adalah jumlah putaran alat pembentuk (rpm), kedalaman siklus pembentukan (mm), kecepatan geser mendatar (mm/menit), dan kedalaman bentuk maksimum yang dapat dilakukan.Kata Kunci : Pembentukan Inkremental Satu Titik, Mesin Frais CNC TU-3A

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