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Agus Ruhimat
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Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Model Rencana Produksi Kaca Otomotif Dengan Metode Klasifikasi ABC Untuk Menurunkan Tingkat Persediaan (Studi kasus di PT. Asahimas Flat Glass, Tbk.) Agus Ruhimat
JURNAL TEKNIK INDUSTRI Vol. 1 No. 2 (2011): Volume 1 No 2 Juli 2011
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (637.995 KB) | DOI: 10.25105/jti.v1i2.6999

Abstract

The paper discusses about the model of production plan for automotive glasses using the ABC classification method to reduce  the supply level. The step being taken in this research is to classify each glass size based on each class and calculate the weight of primary factors influencing the accumulation of supply in form of cash value, risk of under supply and accuracy of estimate. The model of proposed production planning is based on the ABC classification method, and the result could direct the planning officer to conduct the different handling of supply for all glass sizes based on their actual condition.  Using this model, we obtain the realistic figure of supply level according to the needs and after being verified the figure can be reduced and the model cab be applied. In this paper, we also conduct case study in a main producer of automotive glass in Indonesia, which is PT.  AMG Tbk., which hereinafter is called AMG.  AMG is a primary producer for automotive glass in Indonesia with a market share accounting for more than 80%. Currently, almost all automotive industries implement Lean concept which among other is known as Kanban system where the incoming goods should exact, either in time and in the quantity. AMG as the supplier of automotive glasses should anticipate the risk of under supply because of the lack of estimate accuracy or reliability of the production process; so far the production planning officer has set the policy in the supply level of 1,3 month in the end of the current month for all glass sizes with average value of supply per month reaching 20 billions rupiah. The figure is too big because it is the retained cash flow, so that the level of supply for 1.3 month should be reviewed
PENERAPAN THEORY OF CONSTRAINTS (TOC) UNTUK MENINGKATKAN KINERJA PRODUKSI DI INDUSTRI MANUFAKTUR Agus Ruhimat
Journal Industrial Manufacturing Vol. 10 No. 2 (2025): Journal Industrial Manufacturing
Publisher : Program Studi Teknik Industri Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jim.v10i2.14796

Abstract

This research aims to identify and overcome the main obstacles in the production process of LED Classic lamps at PT. Berdikari Inti Gemilang by using the Theory of Constraints approach. The main problem faced by the company is the low production output due to limited capacity at certain workstations. The methods used in this study include bottleneck identification, capacity analysis, and the implementation of Drum-Buffer-Rope to optimize production flow. The results showed that the installation workstation SK-3 was the most significant bottleneck in the production flow. After analysis and improvements, such as adding buffers, standardizing work, and increasing operator work effectiveness, there was an increase in production output and a decrease in the defect rate. The overall implementation of Theory of Constraints has been proven to be able to improve production performance without the need for large investments in machinery or labor.Keywords: Theory of Constraints, Drum-Buffer-Rope, bottleneck, LED production, efficiency.
ANALISIS TINGKAT KEPUASAN KONSUMEN DENGAN MENGGUNAKAN METODE SERVICE QUALITY DAN IMPORTANCE PERFORMANCE ANALYSIS DI TOKO LAPIS LEGIT ROSALINA CAKE Hendra Pratama; Octasena Rizqi Firdaus; Agus Ruhimat
Journal Industrial Manufacturing Vol. 10 No. 1 (2025): Journal Industrial Manufacturing
Publisher : Program Studi Teknik Industri Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jim.v10i1.13569

Abstract

Lapis Legit Rosalina Cake shop is a cake shop that offers a wide variety of products such as Lapis Legit, Lapis Surabaya, Lapis Taro Bogor, Brownies, Mavin, Banana Cake, Pandan Cake, Ring Cake, Marble Cake, Tigaraksa Cake, Roll Cake, etc. Because of the diversity, many customers shop at the Lapis Legit Rosalina Cake Shop and this will have an impact on consumer loyalty. Consumer satisfaction can be achieved by providing good service quality. Good service quality can make customers feel comfortable and can make customers come back to shop again. However, from initial observations there were several complaints about customer satisfaction with the quality of services and facilities provided. This study aims to determine the level of customer satisfaction with service quality and what factors should be improved. This study took data from 65 respondents, and then performed Service Quality calculations to find out the Gap value, the Gap results were used as input data for Importance Performance Analysis (IPA) which then identified 2 attributes that must be considered in the Cartesian diagram.
Co-Authors Hendra Pratama Octasena Rizqi Firdaus