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All Journal OPERATION EXCELLENCE: Journal of Applied Industrial Engineering Jurnal Teknik Industri Terintegrasi (JUTIN) Nusantara Science and Technology Proceedings Indonesian Journal of Industrial Engineering & Management Journal La Multiapp IIJSE Advance Sustainable Science, Engineering and Technology (ASSET)
Saifuddin, Joumil Aidil
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology

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Portable Innovation of Structures in Building Prototype Home to Residential Settlement at Disaster Location Zuhri, Syaifuddin; Subiyantoro, Heru; Ghozali, Imam; Saifuddin, Joumil Aidil
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4160

Abstract

The development of post-disaster residential building prototypes is a build-ing design prototype intended for disaster homes that have been designed in previous research. The next research that’s improved on the aspect of reliability in terms of the use of structures, materials, and construction used in the prototype that's can be applied in the field according to the needs of users who are comfortable and safe. To find the optimal building design from the aspect of building safety so that it does not collapse, it is necessary to take into the aspects of equilibrium of form, geometric stability, and rigidity shape that can stand upright and function when inhabited. The composition of the building elements consists of floor, wall, and roof elements that are composed of building materials using light weight steel. The structural arrangement used uses the truss method as a structural system that is simple and easy to implement. To get confidence that the building can stand upright and not collapse due to the loads acting on it, it is necessary to do an analysis using the problem-solving analysis method in stages on the building structure. The treatment results found that the level of displacement of the building caused by horizontal loads did not significantly affect the shape of the building, meaning that the building could still function according to its use. The use of light steel material for the Canal C-75 Smart Truss Classic Frame which is used as a roof frame and wall structure is still able to overcome vertical or horizontal loads acting on the building. This is done so that the confidence that the planned building prototype can be implemented safely in the field as expected.
Analysis of packaging quality control of PT. LMN using the seven tools method and new seven tools Permana, Handy Natan; Saifuddin, Joumil Aidil
Operations Excellence: Journal of Applied Industrial Engineering Vol. 16, No. 2 (2024): OE July 2024
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2024.v16.i2.109

Abstract

Product quality is a crucial factor that influences success in the market and in the company's production process. Quality products meet company standards and consumer expectations.  The aim of this study is to identify the causes of product rejections and to analyze process improvements in terms of man, material, machine, method, measurement, and environment to reduce product rejections. The results of data collection show the dominant types of rejects, with the following proposed improvements: Maintain the operators' jobdesk so that they become experts in one area, by motivating them through rewards to improve work quality. Ensure spare stock, efficient forklift lanes and H-1 glue communication. Make continuous improvements in every part of the packaging department and build an information system for glue type requirements. Place SOPs in a visible and obvious location, add machine filters near operators, and improve machines to prevent overweight/underweight rejects. Check and calibrate machines regularly, implement scheduled machine maintenance checklists, and standardise maintenance and delegate tasks to optimise staff schedules. Regularly update the parts list according to the machine specifications, make a tool to pour glue from the drum with minimal noise, and perform regular machine maintenance and use bearings to reduce vibration.
Proposed Total Productive Maintenance (TPM) Implementation to Increase Heading Machine Effectiveness Using Overall Equipment Effectiveness (OEE) Method on PT. XYZ Leke, Rupertus Mario Serapion; Saifuddin, Joumil Aidil
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.23832

Abstract

PT XYZ is one of the companies engaged in the precast concrete manufacturing industry which is specially designed to meet the needs of industrial markets such as high-quality building and building construction. The machine under study is the machine used for assembling the spun pile reinforcement frame in the rotary workshop. The purpose of this study is to analyze the application of Total Productive Maintenance (TPM) through the effectiveness and efficiency of heading machine performance and analyze the factors that affect the Overall Equipment Effectiveness (OEE) value and present a proposed heading machine maintenance strategy. The method used is OEE with Six Big Losses analysis. For the analysis of the six big losses on the OEE value, namely the value of Idle and minor stoppage (a decrease due to many machine stops) which is a factor that has the largest percentage of the six big losses with a resulting factor value of 7.0%. Then followed by reduced speed losses (decrease in engine speed) of 3.96% and then deffect losses of 3.48% and the three other factor values, namely breakdown losses, setup losses, and yield losses. Measurement of the level of effectiveness and efficiency of the heading machine at PT XYZ using the OEE method for the period 2022 in January - December obtained an average value of 78.28%. The resulting value is still far from the ideal OEE standard value of 85% which refers to the world class standard. The lowest OEE factor value is obtained from the calculation of Performance Efficiency of 86.29% where it is necessary to update the machine maintenance scheduling so as to increase the efficiency of the heading machine performance that supports the production speed of the company.
Analysis of Raw Material Inventory Control Using the Min-Max Stock Method to Control Inventory Costs at PT. Artha King Indonesia Ramadhan, Ardana; Saifuddin, Joumil Aidil
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22293

Abstract

In the current era of globalization, a company must always try to have the ability to compete with other companies. The issue of inventory planning and control is one of the most important things every business has to face. This study aims to determine the picture of inventory management using Min-Max Stock at PT Artha King Indonesia and find out the amount of inventory costs incurred using the Min Max Stock method. The type of research used is quantitative descriptive research conducted at PT Artha King Indonesia. We recommend that data collection uses primary data from interviews and company observations. While secondary data is obtained from historical company data. The results of this study show that theoretically the minimum and maximum limit values of stock, safety stock, and reorder level (Q) are different for each raw material. Furthermore, by using a policy proposal with the minimum inventory method, the cost calculation results show that the annual costs incurred by the company are lower because there is no excess or out-of-stock material during the warehouse period. Knowing the results of theoretical calculations of the above values, it is possible to evaluate the policies used today so that in the future the company can minimize the costs incurred and maximize profits.
Analisis beban kerja pegawai department of engineering PT. Semen Indonesia (Persero) tbk menggunakan metode Full Time Equivalent (FTE) Fadhli, Mohammad; Saifuddin, Joumil Aidil
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 1 (2025): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i1.38525

Abstract

Problems such as fatigue, decreased performance, and high stress levels often arise as a result of workload imbalance, which can affect the operational efficiency of the company. Accurate workload analysis is essential to overcome this problem. This study aims to analyze the workload in the engineering department of PT Semen Indonesia using the Full Time Equivalent (FTE) method to evaluate workforce needs and distribute workload proportionally. Based on the results of the FTE calculation, the Integration Bureau Staff with 11 employees obtained a total FTE value of 12.7 ≈ 13, the Process Bureau Staff with 3 employees obtained a total FTE value of 4.7 ≈ 5, the Mechanical Bureau Staff with 4 employees obtained a total FTE value of 6.48 ≈ 6, the Civil Bureau Staff with 5 employees obtained a total FTE value of 6.48 ≈ 6, the Elins Bureau Staff with 3 employees obtained a total FTE value of 3.43 ≈ 3.
Measurement of Line Balancing in the Production Process Copper Cathode at PT. Smelting Using Ranked Positional Weight (RPW) Method Wardana, Muhammad Donny Putra; Saifuddin, Joumil Aidil
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 3: October 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i3.23322

Abstract

Line balancing is required in the production process. Without a balanced production line at work stations, the production process is less effective and efficient. Refinery at PT. Smelting has a type of mass production process, so it is planned to determine the optimal production line so that the loading on each work station will be more evenly distributed and reduce idle time. The method used is the measurement of working time with a stop watch. the data used is the work element and the time needed by the operator to complete the copper cathode production process which is from the anode arriving at the Anode Preparation Machine (APM) until the copper cathode is finished strapping at the Cathode Washing & Stripping Machine (CWSM). There are two results of the analysis,based on the first analysis that by using the line balancing method, the company can achieve a line efficiency of 78.10% and reduce the balance delay by 15.11% which is from 37.01% to 21.90%.
Lean Manufacturing Analysis with Waste Assessment Model (WAM) Approach to Reduce Critical Waste in the Production Process of Woven Sarong CV. XYZ Rahmadianto, Raihan; Saifuddin, Joumil Aidil
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 2 (2025): Sharia Economics
Publisher : Sharia Economics Department Universitas KH. Abdul Chalim, Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i2.6339

Abstract

The manufacturing industry faces challenges to improve efficiency and productivity amid increasingly fierce global competition. This study aims to analyze waste in the sarong weaving production process at CV. XYZ is using the Lean Manufacturing approach with the Waste Assessment Model (WAM) method. The results showed that the two most critical types of waste were transportation (20.95%) and inventory (20.64%). The root causes of transportation waste include inefficient fabric movement and narrow transportation lanes, while inventory waste is caused by the accumulation of goods in process (WIP) and the policy of purchasing raw materials in large quantities. The proposed improvements include layout optimization, efficient means of transportation, inventory management training, and line balancing implementation. The recommendations are projected to reduce production lead time by 13.60%, from 1,265 minutes to 1,093 minutes. This research makes a significant contribution to the application of Lean Manufacturing in the traditional textile industry.
Analysis of the Effectiveness of Component Maintenance on PT.XYZ Water Pump Machines through the Life Cycle Cost (LCC) Approach Albany, Zidane; Saifuddin, Joumil Aidil
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i2.856

Abstract

Machine maintenance is an important factor in supporting a manufacturing process that is competitive in the market. Therefore, every company must carry out regular machine maintenance to ensure the machine operates optimally. The aim of this research is to identify damage that may occur to the pump engine and analyze pump maintenance costs which include the cost of repairing or replacing components. The method used in this research is the Life Cycle Cost (LCC) method. The research results show that the maintenance interval for each Bearing component is 1044 hours, Shaft 64 hours, Impeller 76 hours, Gasket 91 hours, Rotor 103 hours, and Bearing Housing 110 hours. The optimal total cost usage at the age of 3 years is IDR. 3,129,542,106/year with the optimal number of mechanics, namely 3 people, previously there were 5 people.
Implementation of Line Balancing to Increase the Productivity of the Box Aspect Production Process Arifin, Defitria Sabrina Firdaus; Saifuddin, Joumil Aidil
Journal La Multiapp Vol. 6 No. 3 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i3.2003

Abstract

In the manufacturing industry, the balance of the production trajectory is an important factor in increasing productivity and efficiency. In the production process at PT XYZ, there are problems with the balance of the production trajectory at the workstation, so it is necessary to determine the optimal production trajectory so that the load on the workstation can be evenly distributed and able to reduce idle time. The Ranked Positional Weight (RPW) and Region Approach (RA) methods were chosen in this study. The main bottleneck was found at the hole cutting stage, where tool limitations caused output differences between manual and machine processes. This imbalance resulted in idle time which affected the overall production efficiency. The analysis results show that the application of RPW and RA methods is able to improve trajectory efficiency by optimizing the number of work stations and reducing idle time. The analysis results state that the company can achieve a trajectory efficiency of 88.48% and reduce the balance delay from -16.67% to 15,73% and a smoothness index of 611,25%.
Analysis of Machine Performance Using the Overall Equipment Effectiveness and Six Big Losses on Double Saw Machines Nazhif, Muhammad Naufal; Saifuddin, Joumil Aidil
Journal La Multiapp Vol. 6 No. 3 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i3.2024

Abstract

PT Sumber Mas Indah Plywood is a manufacturing company engaged in the furniture sector with product specialization in plywood manufacturing furniture and plywood furniture. The research was conducted in January-December 2023 using the Overall Equipment Effectiveness (OEE) method to determine the effectiveness value of the machine.The objective of this study is to improve the performance of the double saw machine and propose improvements at PT Sumber Mas Indah Plywood to improve production quality. This study was conducted to measure the effectiveness of the double saw machine to determine its effectiveness value. the Overall Equipment Effectiveness (OEE) method is used here to measure it. The OEE value is affected by three factors, which are the availability, performance, and quality. The results obtained are that the effectiveness of the machine is still quite high, with an OEE value of 83.54% and still below the OEE standard value of 85%. To improve OEE, additional steps could include the identification of emerging problem. This allows improvement efforts to be directed towards addressing major challenges. The recommendation for the proposed repair of the double saw machine owned by PT Sumber Mas Indah Plywood should be used as a preventive maintenance strategy where the strategy can be carried out to monitor the machine so that it is in prime condition and ready to use and preventive steps can be taken before a problem occurs on the double saw machine.
Co-Authors Albany, Zidane Arifin, Defitria Sabrina Firdaus Fadhli, Mohammad Imam Ghozali Leke, Rupertus Mario Serapion Nazhif, Muhammad Naufal Permana, Handy Natan Rahmadianto, Raihan Ramadhan, Ardana Saputri, Dhea Oktavia Subiyantoro, Heru Wardana, Muhammad Donny Putra Zuhri, Syaifuddin