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Liem Yenny Bendatu
Faculty of Industrial Technology, Industrial Engineering Department, Petra Christian University, Jl. Siwalankerto 121-131, Surabaya 60236
Industrial & Manufacturing Engineering

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Penurunan Persentase Kecacatan di PT Injaplast Tanzil, Carolin -; Bendatu, Liem Yenny
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

PT Injaplast is one of the manufacturing company that produces weaving plastic bags (sacks). PT Injaplast had received customers’ complaint related to its quality, which are tear apart, sacks were broken, logo weren’t centered, sloping cutting, and miscolors. DMAIC (define, measure, analyze, improve and control) is one of the methods that are used to fix the problem. This final project is using cause and effect diagram as a tool to find the root cause of the problem. The proposed improvements are optimalizing the reject sacks with trial and error, using aid instruments, using work instruction, placing poster, maintenance scheduling, string addition, and additonal task to the operator. Quality plan is also given to improve the quality control. Implementation is performed on some of the proposed improvements which are placing poster on putting thread at creel, adding working instruction on loom process and using reject sacks. The result of this implementation showed that the defect percentage after cutting sacks is reduced by 0,39% and the defect percentage after the sacks have been printed is reduced by 0,25%.
Studi Kelayakan Pendirian Perusahaan OPP di Kota Sidoarjo Rachmadi, ellysa Lucia; bendatu, liem yenny
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

This research aimed to determine the feasibility of OPP plastic Company establishment at Sidoarjo. The research consists of market aspect, technical aspect, legal aspect, and financial aspect. Data collection for market analysis is obtained from three plastic stores at Surabaya and interview method is used to get to know the competitor condition. The forecasting result in technical analysis is used as the input to find out the number of the folding and sealing machine. The number of machine is used to calculate how many operator the company should hire. After that, legal analysis is to know the legality of company establishment. The company requires initial investment Rp.670,693,900.00 and will reach break even point after 49 months with the 5 years internal rate of return 16.1%. Hence, this study is feasible by considering the market aspect, technical aspect, legal aspect, and financial aspect.
Perbaikan Proses Dandori di PT. Astra Otoparts Tbk. Divisi Adiwira Plastik Gani, Albert Junaedi; Bendatu, Liem Yenny
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

This paper discusses the abnormality in dandori process and improvements to overcome it. Dandori is a process of changing mold or material during the production. Lately, dandori process at PT. Astra Otoparts Tbk. still experienced abnormality such as material unreadiness, lack of facilities and infrastructure, and long barrel washing process. This research aims to reduce the preparation time and processing time of dandori and line stop. Quality control circle was used as the main method to design the improvements. Improvements are supported by some work standardizations for maintaining continuous improvements. The implementation of the improvements result in reducing dandori total time by 23 hours per month or 10,7% and average dandori time per process is reduced by 6,9 minutes or 17,6%. Material heating line stop reduced by an average of 15,5 hours per month or 35,8%.
Perbaikan Keselamatan dan Kesehatan Kerja dengan Metode HIRARC di PT. Sumber Rubberindo Jaya Gunawan, Andreas Arif; bendatu, liem yenny
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

PT Sumber Rubberindo Jaya is a company that produces motorcycle tires. This company has implemented occupational safety and health but with limitation in providing personal protective equipment. Currently, some export customers require occupational safety and health as a condition of export. Therefore this research is to improve the occupational safety and health in the company. HIRARC method is used to analyze the safety and health of the company. The result shows 24% activities are categorized as low risk, 48% are categorized as moderate risk, 28% are categorized as high risk. There are 8 moderate risk activities from all areas and 9 high risk activities from raw materials, mixing, cutting, building drum, curing. Proposed improvements are given to fixing the floor, giving personal protective equipment (safety shoes, helmet) and safety sign, the path the forklift and various other things.
Standarisasi Aliran Proses dan Informasi Pada Departemen Transport di PT A Aurino, Fendy; Bendatu, Liem Yenny
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

PT A is a manufacturing company which produces consumer goods. Transportation Department wants to standardize the process and information flow by eliminating waste. This research is using Value Steam Mapping (VSM) tool. There are 3 types of waste that are identified in Transportation Department which are overprocessing waste, waiting waste, and defect waste. Improvement suggestion for each waste will impact the next process and hence will reduce the total process time. The result shows the improvement can reduce total lead time by 0,05 % or 56,01 minutes for own truck and 1,10 % or 15,81 hours for trip-based truck distribution everyday.
Perhitungan dan Upaya Peningkatan Output Rate di PT. X Soegiarto, Gary Limanto; Bendatu, Liem Yenny
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

PT. X hasn’t yet measured output rate in production process, so company would like to measure the actual output rate. The measurement and effort to increase the output rate is performed for Merbau, Bangkirai, and Torem wood species on Line Preparation that consists of Planer, Crosscut, and Ripsaw process. Actual output rate in Planer for each wood species are respectively 0,0676, 0,0510, dan 0,0565 m3/menit. Actual output rate in Crosscut for each wood species are respectively 0,0260, 0,0298, dan 0,0257 m3/menit. Actual output rate in Ripsaw for each wood species are respectively 0,0305, 0,0315, dan 0,0318 m3/menit. This actual output rate is not optimal yet, could be seen from the Availability Ratio on Line Preparation that’s below World Class Company’s Availability Ratio (90 %). Availability Ratio in Planer for each wood species are respectively 72.60%, 81.91%, and 82.96%. Availability Ratio in Crosscut for each wood species are respectively 62.89%, 67.93%, and 64.08%. Availability Ratio in Ripsaw for each wood species are respectively 73.99%, 74.34%, and 74.33%. The effort to increase the output rate is then compiled such as design of additional tools for production machines, Work Instruction arrangement, and layout change in Line Preparation.
Perancangan Sistem Kanban Pada Line Machining Yoke Di PT. Inti Ganda Perdana Hartono, Evan; Bendatu, Liem Yenny
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

This paper discusses about the change of yoke line system production. Yoke line production uses push system, which is DPS (Daily Production Schedule) and assembling line process uses pull system, which is kanban. Pull system and push system in one flow process can cause problem in inventory fluctuation. The goal of this research is to change the production system yoke machining at PT Inti Ganda Perdana from current sistem DPS into kanban system. This change is done by using Part Information Flow Chart (PIFC) to illustrate the production flow and the formulation to compute the circulation of kanban population each month. The use of kanban cards will make yoke line production  become pull system
Co-Authors Albert Junaedi Gani, Albert Junaedi Andreas Arif Gunawan, Andreas Arif Bernardo Nugroho Yahya Carolin - Tanzil, Carolin - Christina Natalia Rubianto Debby Hartono ellysa Lucia Rachmadi, ellysa Lucia Evan Hartono, Evan Fendy Aurino, Fendy Gary Limanto Soegiarto, Gary Limanto I Gede Agus Widyadana Ivan Soesetyo Kwan Yenny Ade Wijaya Novitriana Anggraini Sudjianto Oey Yansen Rio Iriando Hasudungan Sitanggang Shandy Irawan Silvia Floretta Brillianty Togar W.S Panjaitan Yenny Vebriana