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Yusuf Mauluddin
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INDONESIA
Jurnal Kalibrasi
Published by Institut Teknologi Garut
ISSN : 14123614     EISSN : 23027320     DOI : https://doi.org/10.33364/kalibrasi
Core Subject : Engineering,
Industrial & Manufacturing Engineering
Jurnal Kalibrasi merupakan jurnal yang digunakan untuk mempublikasikan hasil penelitian dosen maupun mahasiswa dalam kajian bidang Teknik Industri dan Manajemen Industri. Bidang Kajian Teknik Industri, Management Industri, Ekonomi, Ergonomi, Pemasaran, Keselamatan Kerja, Kewirausahaan.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 250 Documents
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Pengendalian Kualitas Produksi Kain Twill Maxfill Dengan Menggunakan SPC Dan FMEA Dibagian Inspecting PT. Sipatex Elsa Nurhalifah; Ujang Cahyadi; Dedi Sa'dudi Taptajani
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.1844

Abstract

PT Sipatex Putri Lestari is a textile manufacturing company that produces greige fabric through processes including texturizing, sizing, dyeing, printing, coating, and yarn dyeing. The defect rate in the production process, particularly the weft missing defect, still exceeds the predetermined tolerance limits, making quality control necessary. This study aims to analyze the causes of fabric defects, identify the factors contributing to defects, and determine ways to reduce defects in the fabric production process. In addition, this research seeks to identify quality improvement measures to minimize defect levels in the production of twill maxfill fabric. This study employs Statistical Process Control (SPC) and Failure Mode and Effect Analysis (FMEA) methods. The results show that the most dominant defect is the weft missing defect, accounting for 42% of total defects. Furthermore, several factors causing defects were identified using fishbone diagram analysis, including human factors, machine factors, material factors, and method factors. Subsequently, FMEA analysis was conducted to determine priority scales based on the Risk Priority Number (RPN) values. Based on the highest RPN value, it was found that malfunctioning or damaged machine fillers were the main cause of defects. Therefore, the proposed corrective actions include servicing or replacing the machine fillers to ensure that damaged or dirty fillers can be promptly addressed. This is intended to ensure that the resulting products meet high quality standards and to minimize defects during the production stage. In addition, routine and continuous machine cleaning and maintenance, as well as inspections of machine readiness prior to operation, are considered essential. After implementing the proposed improvements for five days, the results indicate that the corrective actions successfully helped minimize defects by repairing the damaged fillers.
Analisis Kelayakan Usaha Belimbing Wuluh Pada Bumbu Masakan Asam Sunti Rhafi Faisal Ramadhan; Ujang Cahyadi
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.2034

Abstract

This study aims to evaluate the business feasibility of designing processed asam sunti products made from belimbing wuluh by analyzing various aspects, namely marketing, technical, financial, legal, and environmental. The research method used is a mixed methods approach, combining qualitative and quantitative approaches, adjusted to the characteristics of each aspect studied. The qualitative approach is used to gain an in-depth understanding of the business context, particularly in marketing and technical aspects such as segmentation strategy, production process, and organizational structure. This approach is descriptive and exploratory to identify potential opportunities and challenges in business development. Meanwhile, the quantitative approach is used to analyze financial feasibility through calculations of production and operational costs, cost of goods manufactured (COGM), payback period, break-even point (BEP), net present value (NPV), and internal rate of return (IRR). The results show that the COGM is IDR 19,662,991, with a profit margin of 40%, resulting in a selling price of IDR 19,663 per package. From a financial feasibility perspective, the payback period is achieved within 2 months and 24 days, and the break-even point can be reached at 130 units sold, with minimum revenue of IDR 2,584,906. Based on these findings, the asam sunti business design is considered feasible to operate, both operationally and financially.
Rekayasa Produk Tenun Sutra Berbasis Kebutuhan Dan Preferensi Konsumen Dalam Upaya Meningkatkan Daya Saing: Studi Kasus: Tenun Sutra Family Andri Ikhwana; Muhamad Munna Ar Ridha
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.2087

Abstract

This study aims to provide recommendations for the development of silk weaving products based on consumer needs and preferences in order to improve the competitiveness of Alam Family Silk Weaving in Garut Regency. This research was motivated by a significant decline in sales due to competition with synthetic textile products and lack of innovation in design and marketing. The Quality Function Deployment (QFD) method with the House of Quality (HoQ) approach was used to identify consumer needs and preferences through surveys and observations. The data obtained was then translated into technical specifications and product development strategies that are more in line with market expectations. The results of this study provide recommendations related to the development of motif design and material quality. It is hoped that these recommendations can help Tenun Sutra Alam Family improve competitiveness and maintain market share in the midst of global competition.
Peningkatan Produktivitas Produksi Dodol Menggunakan OMAX dan FTA Pada Industri Makanan Tradisional Intan Nuraeni; Dody Chandrahadinata
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.2515

Abstract

This study analyzes the productivity level of the dodol production division in the traditional food industry, which experienced a production target discrepancy between September 2024 and January 2025. This study aims to measure productivity, identify the main contributing factors, and formulate a comprehensive improvement plan. The methods used include the Objective Matrix (OMAX) for productivity measurement with Analytical Hierarchy Process (AHP) weighting, Traffic Light System (TLS) visualization, and root cause identification through Fault Tree Analysis (FTA). The analysis results show an average productivity index of 502, with labor identified as the dominant factor causing low productivity. Further FTA analysis revealed a lack of work supervision as the main root cause with a probability of 0.27, followed by unproductive working hours and procedural errors. Based on these findings, it is proposed to plan productivity improvements based on the 5W+1H framework, which focuses on increasing direct supervision by those responsible through the development and implementation of Standard Operating Procedures (SOPs). This is expected to ensure compliance with standards, minimize errors, and improve product efficiency and quality on an ongoing basis.
Perencanaan Pemeliharaan Mesin Chin Fong 110 Ton Menggunakan Metode RCM dan FMEA untuk Mengurangi Produk Cacat Yusuf Mauluddin; Encep Jianul Hayat; Dadang Permana
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.2538

Abstract

This study aims to plan a maintenance system for the Chin Fong 110 Ton machine in the piercing stamping process at PT. XYZ in order to reduce the level of defective products caused by machine damage and lack of planned maintenance. The method used is Reliability Centered Maintenance (RCM) which uses Failure Mode and Effect Analysis (FMEA) to identify critical components and determine maintenance action priorities. The research process includes collecting historical machine failure data, calculating the Risk Priority Number (RPN) value, and determining the type of maintenance actions such as Condition Directed (CD) and Time Directed (TD). The results show that the main cause of machine malfunctions is the lack of planned maintenance. Based on the RCM analysis, the pinion drive shaft, wet clutch, and slide (ram) components are recommended to use CD measures, while the flywheel and main gear use TD measures. The implementation of this maintenance plan is projected to improve machine reliability and reduce the defect rate while extending the machine's service life and increasing production process efficiency. The contribution of this research is to provide a reliability-based maintenance planning model that can be used as a reference for manufacturing companies in optimizing machine performance and maintaining product quality in a sustainable manner.
Peningkatan Perbaikan Kualitas Produk Duplex Paper Coated Menggunakan Metode Six Sigma: (Studi Kasus :PT. Papyrus Sakti Paper Mill) Dody Chandrahadinata; Putri Laya
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.2546

Abstract

Competition in the paper industry requires companies to continuously improve product quality. This study aims to identify the main causes of defects in Duplex Paper Coated (DPC) products at PT. Papyrus Sakti Paper Mill and to develop measurable improvement measures to achieve a sigma level greater than or equal to 4. Based on production data from January to July 2024, the average DPC defect rate was 7.8%, exceeding the company's tolerance of 6%. The Six Sigma approach with DMAIC (Define, Measure, Analyze, Improve, Control) stages was applied, supplemented with FMEA and 5W+1H analysis, to identify the root causes of dominant defects and formulate improvement solutions. The analysis results showed that uneven formation defects were the most dominant type, with the method factor (lack of SOP implementation in the forming process) as the main root cause. An improvement plan was developed using the 5W+1H method and implemented through the creation of new SOPs, operator training, machine recalibration, and process variable monitoring. After the improvements, the process sigma value increased from 4.19 to 4.48, accompanied by a significant reduction in defect rates, thereby achieving the quality target (sigma greater than or equal to 4). This improvement proves that the application of Six Sigma is effective in continuously controlling the quality of DPC products.
Analisis Strategi Peningkatan Kinerja UMKM Makroni ER Melalui Digitalisasi Dengan Metode Data Envelopment Analysis (DEA) dan Quantitative Strategic Planning Matrix (QSPM) Hilmi Aulawi; Rina Kurniawati; Nur Lela
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.2601

Abstract

The development of the digital economy offers significant opportunities for Micro, Small, and Medium Enterprises (MSMEs) to improve operational efficiency and competitiveness. However, not all MSME actors are able to utilize it optimally. This study aims to measure the operational efficiency of Makroni ER MSME and formulate digitalization-based priority strategies to enhance performance. The method used is Data Envelopment Analysis (DEA) with an input-oriented approach and the assumption of Constant Return to Scale (CRS) to evaluate the efficiency of 16 Decision Making Units (DMUs), along with the Quantitative Strategic Planning Matrix (QSPM) to formulate priority strategies. Based on the DEA results, 9 out of 16 DMUs were found to be efficient—namely in March, April, May, July, August, and September of the first year, as well as March and April of the second year. Meanwhile, the other 7 DMUs were declared inefficient—January, February, June, October, and December of the first year, as well as January of the second year—caused by excess inputs such as labor and working hours that were not proportional to output. Based on the QSPM results, the chosen priority strategy is data-driven production planning, as it achieved the highest TAS value. The objective is to improve operational efficiency, align production capacity with market demand, and reduce resource waste. This study demonstrates that the combination of DEA and QSPM provides an effective data-driven approach to improving MSME performance and operational efficiency in the digital era.
Pendekatan Statistical Quality Control untuk Peningkatan Kualitas Produk Spare part Mobil Dody Chandrahadinata; Encep Jianul Hayat; Savina Tika Sari
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.2619

Abstract

This study was conducted at PT. XYZ, an automotive spare parts manufacturing company, which experienced a product defect rate of 5.4%, exceeding the company's tolerance limit of 3%. The types of defects found included dimension (non-standard size), scratch, burry (stuck cutting residue), and rusty (rust). The objectives of this study were to analyze quality control, identify the main causes of defects, and formulate improvement proposals using the Statistical Quality Control (SQC) method. Defect data from January to June 2024 were analyzed using check sheets, Pareto charts, and fishbone diagrams. The Pareto analysis results showed that burrs had the highest percentage, accounting for 28% of total defects. The FMEA analysis identified machine factors as the dominant cause, with the highest RPN value of 288 in cases of imprecise dies. Improvement recommendations focused on implementing a continuous maintenance schedule, replacing worn components, and readjusting dies, which are expected to reduce the defect rate to below 3% and improve production process stability. This research contributes to improving the quality and efficiency of automobile spare part production at PT. XYZ.
Pengendalian Kualitas Pada Produk Spons EPA Dengan Menggunakan Metode Statistical Process Control (SPC) : Studi kasus: CV. Mandala Logam Utama Dody Chandrahadinata; Ani Ramadhani
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.2621

Abstract

CV. Mandala Logam Utama is a manufacturing company that produces EPA sponges made from synthetic rubber. During the production process, a high defect rate was found, averaging 12% per month, exceeding the company's tolerance limit of 10%, with the dominant type of defect being undeveloped sponges. This study aims to identify the types of defects and factors causing defects in EPA sponge products and to design quality improvement recommendations to minimize the defect rate in the EPA sponge manufacturing process. The analysis results show that the main causes originate from machine factors, particularly unstable hotpress temperatures and damage to the sil, with the highest RPN value of 694. Improvement recommendations include routine machine maintenance, temperature calibration, installation of electrical stabilizers, and the preparation of SOPs for machine operation and maintenance. After the improvements were implemented, a 7-day simulation was conducted, which showed a significant decrease in the defect rate to an average of 2.35%. This study proves that a structured quality control approach can improve the stability of the production process and the quality of EPA sponge products.
Perencanaan Kebijakan Time Fences pada Industri Garment Yusuf Mauluddin; Latifah Munawaroh Huda
Jurnal Kalibrasi Vol 24 No 1 (2026): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.24-1.2699

Abstract

CV. Suho Garmindo merupakan perusahaan garmen yang memasok produk Rabbani. Perusahaan ini berusaha mempertahankan posisinya dalam persaingan dengan perusahaan garmen lainnya dengan berusaha menghasilkan produk dengan kualitas terbaik agar dapat memenuhi target pembeli dan menjaga kredibilitasnya. Hasil studi lapangan yang melibatkan observasi dan wawancara dengan perusahaan telah menunjukkan bahwa yang sering terjadi adalah perusahaan akan mengutamakan produk pesanan khusus yang datang di tengah-tengah produksi sehingga terdapat produk yang dibatalkan untuk produk prioritas. Masalah ini terjadi karena perusahaan belum menentukan kebijakan time fences, yaitu waktu untuk mengetahui kapan rencana produksi dapat diubah atau tidak. Metode yang digunakan adalah VSM (Value Stream Mapping) untuk menggambarkan sistem produksi, mulai dari pemesanan bahan baku hingga produk jadi yang siap didistribusikan dan aliran nilai perusahaan. Penelitian ini menghasilkan Manufacturing Lead Time yang berkurang dari 273,37 menjadi 162,35 sebagai hasil dari perbaikan pengurangan pemborosan dan penelitian ini menghasilkan kebijakan Time Fences berdasarkan proses-proses yang terjadi di perusahaan.

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