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All Journal PROFESIENSI SIGMA TEKNIKA Profisiensi : Jurnal Program Studi Teknik Industri
Hery Irwan
Universitas Riau Kepulauan
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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Journal : SIGMA TEKNIKA

 1 
CRASH PROGRAM JALUR KRITIS DENGAN CARA OVERLAPPING (STUDY REVIEW) Irwan, Hery
SIGMA TEKNIKA Vol 2, No 1 (2019): Sigma Teknika Vol.2 No.1 Juni 2019
Publisher : Fakultas Teknik, Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.929 KB) | DOI: 10.33373/sigma.v2i1.1671

Abstract

Project management in the length of time of completion or better known as lead time is the time that has been agreed between the project implementers in this project managers and customers as the owner of the project. Time-based project implementers will make planning, scheduling and control of existing resources with the purpose of the length of the project in accordance with the agreed upon. In the process constraints will always occur which cause the delay activities that become part of the overall project. The delay that occurs on the critical path if not controlling and acceleration would cause backwards in time from the time of completion of the project. This will cause losses for both the executor fines for the delay as well as for the project owner to lose an opportunity of reception of the project late from agreements. This paper contains the possibility of doing a program crash or the acceleration by means of melaukukan overlapping. For sure the acceleration by means of overlapping could not immediately be implemented in all activities of the project. The decision to do overlapping largely determined by the knowledge and experience of the person in charge of the project.  Keywords: Crash program, overlapping, critical path method.
INCREASE PRODUCTION OUTPUT ON TWA 1342 MACHINE WITH OVERALL EQUIPMENT EFFECTIVENESS (OEE) METHOD (CASE STUDY: PT XYZ BATAM) Vera Methalina Afma; Hery Irwan; Elsa Berliani
SIGMA TEKNIKA Vol 5, No 2 (2022): SIGMATEKNIKA, VOL. 5, N0. 2, NOVEMBER 2022
Publisher : Fakultas Teknik, Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/sigmateknika.v5i2.4642

Abstract

PT XYZ Batam is a manufacturing company that produces NTC (Negative Temperature Coefficient) Sensors.  This company has a Chip Dicing Department which is cutting the NTC substrate into chips and then measuring process, measuring process is checking process based on the chip resistance value by the TWA 1342 machine.Currently, the output of measuring process is not stable, so this study aims to determine the cause of low output and how to increase production output on the TWA 1342 machine with Overall Equipment Effectiveness (OEE) method. The results obtained based on calculations on the TWA 1342 machine are : availability value 95.12%, Performance value 85.06%, Quality value 98.97% and OEE value 80.08%.Based on the Pareto chart, the cause of output target being not achieved was due to a filter  was not suitable for use, because there were tears on the surface of the filter so the dirt was not filtered properly. And the action taken based on the fishbone diagram analysis is to replace the filter periodically and control it by having a filter change record.After the corrective steps have been taken, the changes in the OEE value on the TWA 1342 machine for one week of observation are as follows: Availability value 99.69%, Performance value 98.10%, Quality value 99.15%. And the OEE value is 96.96%. The percentage of the total output during the week of observation after corrective steps was taken is 98.10%. Where there is an increase in output of 13.04%.
Co-Authors Achmad Yunus, Achmad Alsyah Rizal Annisa Purabasari Annisa Purabasari, Annisa Annisa Purbasari Annisa Purbasari, Annisa Choirul Anwar Choirul Anwar Crisantus Lawrensius Tongan Sitorus Crisantus Lawrensius Tongan Sitorus, Crisantus Lawrensius Tongan Dadang Redantan Dadang Redantan Dadang Redantan, Dadang Edi Sumarya Elsa Berliani Ezra Mahyani Sembiring Fauziyah Nur Jamal Holong P. Simanjuntak Jamal, Fauziyah Nur Lilies Purbandaru Lilies Purbandaru, Lilies Nandar Cundara Nandar Cundara, Nandar Petra Paulus Tarigan Petra Paulus Tarigan Petra Paulus Tarigan, Petra Paulus Refdilzon Yasra Refdilzon Yasra, Refdilzon Risthia Eriana Putri Risthia Eriana Putri, Risthia Eriana Rumiyanto Rumiyanto Rumiyanto Rumiyanto, Rumiyanto Setiabudi, Yudi Simanjuntak, Holong P. Sitohang, Sudika Diski Sudika Diski Sitohang Suirman Suirman Suirman Suirman, Suirman Sumarya, Edi Supriyanto Supriyanto Supriyanto Supriyanto Tarifar Bangun D. Tarifar Bangun D., Tarifar Tri Yuningsih Tri Yuningsih Triyono Triyono Triyono Triyono Udin Udin Udin, Udin Vera Methalina Vera Methalina Afma Vera Methalina Afma, Vera Methalina Vera Methalina, Vera Yudi Setiabudi Yuniral Yuniral Yuniral Yuniral Yuniral, Yuniral Zaenal Arifin Zaenal Arifin