Prosiding Seminar Nasional Teknik Industri Pancasakti Tegal (SNaTIPs)

DETERMINATION OF DISTRIBUTION ROUTES AT PT. TRIMITRA TRANS PERSADA USING THE SAVING MATRIX METHOD

2025-02-06T11:07:04+07:00

PT. Trimitra Trans Persada is a logistics transportation company tasked with distributing goods to Alfamart stores with demands for on-time and safe delivery. However, the distribution process often faces obstacles such as inefficient routes, which can lead to longer distances and longer delivery times. This study was conducted at PT. Trimitra Trans Persada Distribution Center Tegal with the aim of optimizing distribution routes using the saving matrix method. Based on actual data from the delivery schedule on March 17, 2024, the company's initial route using 4 trucks resulted in a total distance of 157 km by transporting 990 boxes. By implementing the nearest neighbor-based saving matrix method, the total distance was successfully optimized to 132.6 km, a reduction of 24.4 km. This reduction in distance shows the potential for significant efficiency in distribution, which can reduce operational costs and delivery times. The results of this study emphasize the importance of improving distribution routes to minimize inefficiencies and support better logistics performance.

ANALYSIS OF SUPPLIER SELECTION USING THE ANALYTICAL HIERARCHY PROCESS (AHP) METHOD AT PT. TEGAL ROAD CONSTRUCTION

2025-02-06T11:14:06+07:00

A manufacturing company is an industrial business engaged in managing raw goods into finished goods. With these problems, PT TRC needs to improve the vendor selection mechanism. The AHP (Analytical Hierarcy Process) method can be used as a tool to carry out the vendor selection process, so that the selected vendor is truly in accordance with the criteria set.Interview findings are the primary data source. Secondary data includes supplier information for raw materials, supplier selection and evaluation criteria, and company profile information. After obtaining the necessary data, supplier prioritization is determined through data processing using the AHP approach. The optimal supplier priorities are determined by analyzing the results of data processing. All criteria have a CR value below 0.1 in the AHP calculation, according to the results of the AHP calculation for each of the criteria mentioned above. If the CR value is below 0.1, the calculation can proceed to the next step. The results of pairwise comparison weights between suppliers on each criterion are multiplied by the sum of the results and weights of pairwise comparisons between criteria in the next calculation step. Based on the results of calculations using the Analytic Hierarchy Process (AHP) method, it can be concluded that the selection of suppliers carried out through the evaluation of quality, price, and delivery time criteria results in a clear priority order. In the data collection stage, two members of the purchasing staff provided information through a questionnaire, which was then used to compile a pairwise comparison matrix between criteria and between suppliers.

ANALISIS PENYEBAB KERUSAKAN PADA MESIN BOILER DENGAN MENGGUNAKAN METODE FAILURE MODE AND EFFECT ANALYSIS (FMEA) (Studi Kasus : PT. SINERGI BREBES INOVATIF)

2025-02-06T11:23:21+07:00

PT Sinergi Brebes Innovative is a company owned and managed by farmer groups with a focus on producing food from shallots in the form of Shallot Paste, Fried Onions, and Crispy Onions products. Recorded in the production period of 2023, PT Sinergi Brebes Innovative almost every month there are problems with boiler machine damage. Based on the research that has been done, the highest RPN value is obtained, namely damage to the burner component. The damage that occurs is Burner The RPN value obtained from the clogged burner is 294. clogged caused by dirt or dust entering the combustion chamber resulting in the fire produced by the burner is not optimal. The second highest RPN value is damage to the gasket. The RPN value obtained from damage to the seeping perpak component is 280. The damage that occurs is perpak seepage caused by worn perpak so that the channel is obstructed and the flow is not maximized. The following proposals/recommendations from the author to anticipate the occurrence of clogged burner damage are made exhause fan so that dirt/dust can be thrown out so that the work area is clean. Socialization is carried out to operators about the cleanliness of the work area and checking fuel regularly. Machine maintenance is carried out regularly and periodically. Use of the machine according to the machine SOP and machine capacity. Checking the fuel thoroughly and checking the cleanliness of the fuel container. Recommendations given to anticipate the occurrence of perpak seepage damage to occur again, namely the operation of the engine must be in accordance with the procedure so that the pressure is in accordance with the engine capacity, the use of good quality engine lubricants, socialization to operators regarding the use of lubricants and fuel used in the engine, regular engine maintenance and the use of good quality packs.

STATISTICAL QUALITY CONTROL METHOD FOR CONTROLLING QUALITY ANALYSIS WIRING HARNESS DEFECT PRODUCT AT PT CASUARINA HARNESSINDO

2025-02-06T11:28:57+07:00

Statistical Quality Control is statistical methods in solving probloms that are used to monitor, control analyze, manage, repair, product and proccess to collect and proccess data in controlling the quality of production proccess efficiently 7 statistical tools are used in quality control activities. The most frequent kinds of dissabilities are the ones that twist or wire insule together, with a cummulative percentage of 46,54% with a total of 605 pcs. The kind of flaw of this research is twisted. The cause of many defects in wiring harness products is the type of defect in twisting or cables that are joined together, resulting in a fishbone diagram analysis that includes human, machine, material and method factors.

PROCUREMENT MANAGEMENT INTEGRATED PROCUREMENT MANAGEMENT WITH VENDOR MANAGED INVENTORY (VMI) CONCEPT

2025-02-06T11:34:56+07:00

This article discusses the use of the Vendor Managed Inventory (VMI) system in the barging process at PT. Sumber Alfaria Trijaya Tbk., with the goal of increasing the effectiveness of the persediaan management process. By using VMI, employees have the ability to provide goods without interruption at the company's warehouse, which enables more effective inventory control, lowers penyimpanan costs, and speeds up delivery times. This study analyzes distribution and sales data and calculates the Economic Order Quantity (EOQ) to reach the ideal number of transactions. The results indicate that the use of VMI reduces the accuracy of requests, minimizes problems during processing, and lowers the cost of total inventory. In this way, businesses may see the balance between requests and requests, which is very beneficial to customers. It is advised to optimize information technology and SDM training in order to improve VMI performance.

ANALYSIS OF GREIGE FABRIC PRODUCTION FACILITY LAYOUT IN PT. XYZ PEKALONGAN USING ACTIVITY RELATIONSHIP CHART (ARC) METHOD

2025-02-06T11:41:49+07:00

PT. XYZ Pekalongan is a producer of sarongs (Greige) operating in the manufacturing sector, from the initial production of raw materials (Greige) to the inspection and storage processes. An important factor that can affect production performance is the layout of the facilities. The placement of facilities in the form of rooms or machines in the industry that is not optimal has significant impacts such as production process obstacles due to inappropriate travel distances, productivity affecting company performance, and increased production costs. The Activity Relationship Chart (ARC) method is used to solve problems at PT. XYZ Pekalongan by analyzing the activity relationship map based on proximity levels. The Activity Relationship Chart (ARC) method is useful for identifying the level of relationships between activities and making decisions regarding space layout changes. The purpose of the research is to save travel distance by identifying the workflow to optimize the facility layout. The facility layout at PT. XYZ Pekalongan reveals an issue with the placement of the Sectional Reaching area, which is too far, namely 172 meters from the Sectional Sizing area. Therefore, the relocation of the Sectional Reaching area is proposed. The research results using the Activity Relationship Chart (ARC) method show a reduction in the workpiece travel distance by 142 meters. The improvement of the production facility layout using the Activity Relationship Chart (ARC) method requires a travel distance of 30 meters from the Sectional Sizing area to the Sectional Reaching area, resulting in an efficiency value of 82.56%.

IMPLEMENTATION OF LEAN MANUFACTURING ON BRIDGE – BRAKE PEDAL STP RF – 16900 KS PRODUCTION ACTIVITIES WITH VALUE STREAM MAPPING METHOD AT PT. SADIYAH CAHAYA LOGAM

2025-02-06T11:48:46+07:00

PT. Sadiyah Cahaya Logam was established as a legal entity in November 2018, previously named UD. Arman Jaya, in December 2018 it started supplying automotive component parts to PT. Dharma Polimetal, and officially became a tier 3 supplier of PT. Astra Honda Motor, and in February PT. Nandya Karya perkasa entered as a customer, There are around 4-5 processes carried out during the production process at PT. Sadiyah Cahaya Logam, namely cutting (cutting), Stamping (forming), blanking (bending), piercing (punching), and packaging (packaging). PT. Sadiyah Cahaya Logam itself is one of the metal industry centers engaged in the field of automotive part processing, located at Jalan Talang No. 380 RT.10/02 Talang District, Tegal Regency, Central Java Province. The products produced vary greatly according to the specifications desired by customers, such as cable holders, separators, engine brackets and others. However, in its implementation there are still inefficiencies in production and there are still defects in the Brake Pedal STP RF – 16900 KS product. Based on these problems, the author took steps to fix this problem so that production becomes more efficient and reduces product defects. Thus, the company can reduce production time, as well as maximize worker time and energy through the implementation of lean manufacturing. This study aims to improve the efficiency of the Bridge-Brake Pedal STP RF-16900 KS production process at PT. Sadiyah Cahaya Logam with a focus on reducing waiting time. Through the application of lean manufacturing, this study uses the value stream mapping method and finds that Process Activities Mapping (PAM) is the most appropriate tool for identifying and analyzing activities that cause wastage of time. The results of the analysis show the highest score for PAM of 507, which indicates great potential for improvement.

ERGONOMIC ANALYSIS OF BODY POSTURE USING THE OVAKO WORKING POSTURE ANALYSIS SYSTEM (OWAS) METHOD FOR DOUBLE PLANER MACHINE OPERATORS AT PT SAS KREASINDO UTAMA TEGAL

2025-02-06T11:57:32+07:00

PT SAS Kreasindo Utama Tegal is a company engaged in manufacturing furniture or wooden furniture, the company has around 1400 employees. The production process involves five departments: sawmill, roughmill, machining, assembling, and packing. Employees working in industrial environments, particularly in production, frequently face occupational risks both during and after work. These risks often stem from job demands, leading to injuries or musculoskeletal complaints. This issue is particularly prevalent among double planer machine operators who perform repetitive tasks like bending and lifting. To address or minimize these complaints, it is crucial to improve work posture. The Ovako Working Analysis System (OWAS) method will be employed to assess and analyze work posture. The findings revealed that prior to improvements, the work posture for loading materials into the machine using wooden pallets positioned below knee height received an OWAS code of 2173-3. This indicates that the operator's back posture was bent forward and backward, both arms were at shoulder level, the feet were moving or shifting, and the operator was lifting loads between 10 and 20 kilograms, highlighting the need for immediate corrective action. In contrast, when the pallet height was adjusted to above knee level, the OWAS code improved to 1122-1, signifying no need for further improvement. To address the issue, a roller table was introduced as a work aid to reduce the operator's burden. Following this intervention, the work posture score improved to 1121-1, representing a normal posture with very low risk.

QUALITY CONTROL OF BZ370 INSTRUMENT PANEL MOUNTING BRACKET PRODUCTION USING FAILURE MODES EFFECTS AND ANALYSIS (FMEA) METHOD AT PT. SADIYAH CAHAYA LOGAM

2025-02-06T12:04:24+07:00

Companies are encouraged to create more effective and efficient ways to achieve their goals due to the increasingly fierce competition in the business sector. Companies must create a quality control system for process activities carried out in order to produce high quality products. Control is any observation, activity, or analysis that needs to be carried out in a way that keeps the findings consistent with the objectives. The purpose of this study is to find the cause of defects in the BZ370 Instrument Panel Mounting Bracket Sparepart, in the production of the BZ370 Instrument Panel Mounting bracket, product defects often occur, using the FMEA (Failure Mode and Effect Analysis) method can reduce product defects in the production of the BZ370 Instrument Panel Mounting Bracket Sparepart, identify factors that inhibit the production process, and analyze and determine solutions if there are a large number of defective BZ370 Instrument Panel Mounting Bracket Spareparts during production. Failure Mode and Effect Analysis or FMEA is an acronym that refers to the analysis carried out to determine the factors that affect production. Failure Mode and Effect Analysis, or FMEA, is a technique used to determine the origin and underlying causes of quality problems. To find and stop as many failure modes as possible, RPN (Risk Priority Number) Is a measure used when assessing risk to help identify critical failure modes related to a design or process. There are several factors that are a problem in the production process, namely humans, machines, materials, methods.

ANALYSIS OF LEAN MANUFACTURING CONCEPTS TO IDENTIFY WASTE IN THE SARONG PRODUCTION PROCESS AT PT. XYZ

2025-02-06T12:10:13+07:00

The textile industry faces tough competition in the global market, where production efficiency, cost reduction and product quality are the main factors. This research analyzes the sarong production process at PT XYZ to identify waste using Lean Manufacturing principles. Data collection methods include direct observation and employee interviews. Tools such as Value Stream Mapping (VSM) and Process Activity Mapping (PAM) are used to identify in-efficiencies. The research results showed that there were defects in the coloring process, inventory buildup, and excessive work movements due to less than optimal layout. Recommendations such as improving process management and quality control aim to reduce waste and increase operational efficiency.

ANALYSIS OF LABOR PRODUCTIVITY TOWARDS PRODUCTION RESULTS AT PT. SADIYAH CAHAYA LOGAM

2025-02-06T12:15:53+07:00

In the face of intense competition, productivity is crucial for organisations, so improving operational efficiency is a must for all companies to remain competitive. Productivity is one of the many variables that can affect the growth or failure of a company. Taking into account the calculation of the amount of output produced by the company, which is affected by the amount of resources, it is necessary to measure productivity in order to improve productivity in the future. This research was conducted by conducting in-depth interviews with employees and observing the production process carried out by PT Sadiyah Cahaya Logam with the aim of knowing the level of labour productivity in the production unit at PT Sadiyah Cahaya Logam and identifying factors that have an impact on labour productivity. Labour productivity at PT Sadiyah Cahaya Logam in 2023 is 55.82%, according to the results of the calculation of total productivity which is done by dividing the output or production of the company with input or the number of employees. With a monthly average value of 4.65%, the annual labour partial productivity value is 55.82%. Since this monthly average productivity figure is still low, it needs to be improved.

APPLICATION OF SIX SIGMA IN QUALITY CONTROL OF READY MIX CONCRETE AT PT. VARIA OF BSP BREBES CONCRETE BUSINESSES

2025-02-06T12:21:47+07:00

COMPARISON OF PRODUCTION SCHEDULING TO REDUCE THE OCCURRENCE OF PRODUCTION PROCESS DELAYS (Case Study of PT. SEMARANG MULTI CONS)

2025-02-06T12:57:08+07:00

PT Semarang Multi Cons is a company engaged in manufacturing that produces ready mixed concrete or what is called ready mix. The company is located at Jl. Lingkar Kaliwungu. Kaliwungu, Sumberejo, Kendal Regency, Central Java 51372, Indonesia. The company experienced delays in the production process so that many jobs were late. In January 2024, out of 39 job orders, 10 jobs were late. Increased product demand needs to be balanced with good production scheduling in order to reduce the total completion time (makespan). In the production process there are delays in the production process, due to limited labor, with a lot of demand, making the company experience problems with delays in the production process. The absence of production scheduling makes some orders late beyond the specified due date. Comparison of the
Shortest Processing Time (SPT), Longest Processing Time (LPT), Earliest Due Date (EDD) & Hodgson Algorithm methods in this study aims to find effective time in the process of making ready mix concrete so that there is no risk of delays during the production process with what is the most appropriate method that can be used in the company. Based on the results of the four methods, it can be concluded that using the sequencing method with the Earliest Due Date (EDD) method is the best, because it is more effectively used, namely having a value of 0.05.

EFFORTS TO PREVENT WORK ACCIDENTS IN THE FUEL RECEIVING SECTION OF THE RAIL TANK WAGON (RTW) AREA USING THE JOB SAFETY ANALYSIS (JSA) METHOD AT PT. PERTAMINA PATRA NIAGA FUEL TERMINAL TEGAL

2025-02-07T10:31:45+07:00

The oil industry is one of the sectors that plays a vital role in meeting the world's energy needs. PT Pertamina Patra Niaga Fuel Terminal Tegal is an integral part of this industrial network in Indonesia, responsible for the provision, storage, and distribution of fuel in its region. The implementation of efficient and safe operations is a top priority, with involvement in various risk management efforts. PT. Pertamina Patra Niaga Fuel Terminal Tegal still has a risk of work accidents, such as worker safety when opening the upper manhole to check the oil level due to the lack of adequate personal protective equipment, then muscle injuries when installing dry disconnect coupling (DDC) hoses, the risk of falling, and the risk of exposure to chemicals. The purpose of this paper is to find out what work is done when dismantling the rail tank wagon area, to find out what dangers can occur during the process of dismantling the rail tank wagon (RTW) with pertamax content at PT. Pertamina Patra Niaga Fuel Terminal Tegal, identify and anticipate work accidents for employees working in the rail tank wagon area. JSA is a systematic process used to identify, evaluate, and control potential hazards in the workplace. The work carried out on the rail tank wagon (RTW) area is in the form of a fuel acceptance process, this process is carried out through 3 stages, namely the process before dismantling the RTW, the RTW dismantling process, the RTW dismantling process, the dangers that can occur from each rail tank wagon (RTW) dismantling work there are 11 possible dangers that can occur, namely: being trapped, chemicals, flammable materials, noise, manual handling, being hit, explosion, slipping, falling, tripping, Based on the discussion above, of course, efforts to prevent or overcome work accidents in the RTW area dismantling process have been carried out by means of socialization for workers, equipment maintenance, equipment repair, and repair and addition of existing facilities.

GROSS REQUIREMENT ANALYSIS STUDY ON CONCRETE RAW MATERIALS BY USING POM-QM SOFTWARE AT PT VARIA USAHA BETON

2025-02-07T10:36:24+07:00

Raw material inventory is an important element in company operations, especially in the manufacturing sector such as PT. Varia Concrete Business. As a concrete producer, this company faces challenges in managing raw materials originating from natural resources with a high level of stock uncertainty. This uncertainty often causes problems with excess or shortage of inventory which results in increased operational costs. This study analyzes the gross requirements for concrete raw materials using the Material Requirements Planning (MRP) method. The analysis results show that the application of the MRP method is able to ensure the availability of raw materials and components needed in the production process which is implemented through POM-QM software. The POM-QM software itself is a tool designed to assist decision making in operations and quantitative management, including calculating Material Requirements Planning (MRP). By using the MRP module in POM-QM, users can easily plan and manage material requirements based on the input provided.

ANALYSIS OF CUSTOMER SATISFACTION USING THE IMPORTANCE PERFORMANCE ANALYSIS AND CUSTOMER SATISFACTION INDEX METHODS (Case Study: WARUNG MAKAN PINK)

2025-02-07T11:09:05+07:00

Culinary businesses are one of the MSMEs that contribute to Indonesia's GDP, one of which is Warung Makan Pink, which currently has a rating of around 4.5 stars on Google Maps with 872 reviews. This fairly good rating should make Warung Makan Pink one of the popular dining spots. However, from July to December 2023, sales revenue declined consecutively, making this an issue that needs to be addressed immediately. The purpose of this research is to determine customer satisfaction based on service quality and product quality. In this study, three methods were used: the Customer Satisfaction Index to determine the customer satisfaction index value, Service Quality to determine the gap value of each dimension and its attributes, and Importance Performance Analysis to identify which attributes should be prioritized for improvement. This study aims to determine whether the quality of food and service can affect customer satisfaction at Warung Makan Pink. After calculations using the three methods, a relatively high Customer Satisfaction Index (CSI) value was obtained, namely 84.69% for product quality attributes and 87.34% for service quality attributes. Because the values were considered too high, another method was used, namely Servqual, which showed a negative gap in several attributes. The negative gap values exceeded -0.5 for the attributes Number of Menu Packages Offered (M5), Suitability of Food Portions for Each Purchase (M9), and Employees Explaining Food/Drink Menus to Customers (P18). In the Importance Performance Analysis (IPA) method, only one attribute fell into quadrant 1, which is Employees Explaining Food/Drink Menus to Customers. (P18). Improvement recommendations include the Features dimension for the attribute Number of Menu Packages Offered (M5) and the Conformance dimension for the attribute Suitability of Food Portions for Each Purchase (M9). Additionally, within the Empathy dimension, there is one attribute with a high gap value, namely Employees Explaining Food/Drink Menus to Consumers (P18), which is also important in the IPA method.

PRODUCTION PLANNING AND CONTROL AT PT. ABC USING THE AGGREGATE PLANNING METHOD

2025-02-07T11:14:26+07:00

In the manufacturing industry, proper production planning is crucial to ensure the availability of the right products and to reduce production costs or optimize company expenses. Companies face challenges in dealing with fluctuations in consumer demand while managing the limited resources at their disposal. The purpose of this study is to develop an efficient and effective production planning at PT. ABC. To achieve this goal, the researcher uses the aggregate planning method, with forecasting, which involves production scheduling, and capacity planning is chosen to address these issues. This method helps to predict production needs more efficiently, taking into account several factors such as production capacity, production costs, and labor costs. This study is based on the company's production data to analyze the appropriate planning needed to control the company’s production processes and improve its efficiency. The results of this research are expected to provide useful recommendations for PT. ABC to enhance the efficiency of its product processing. This study also emphasizes the importance of having proper production planning and control systems within a company.

FORECASTING WOVEN SARONG PRODUCTION USING QM FOR WINDOWS SOFTWARE AT PT HIJAZ TEXTILE INDUSTRI

2025-02-07T11:19:30+07:00

Production forecasting is one of the efforts made by a company to produce in the next period. The general purpose of production forecasting is to meet consumer needs so that consumers feel satisfied because their needs are met. The problem faced by Pt Hijaz Textile Industry is in meeting consumer needs and in stockpiling sarong products. The meaning of this problem is that it is necessary to address forecasting issues at PT Hijaz Textile Industry, not only to meet consumer needs but also in product onventories that exceed the limit which causes strogae costs to increase. So, by carring out production forecasting, the aim is to predicat production for the next period so that consumers desires will certainly be met based on exisiting problems. The method used in this research is to use qm for windows software to forecast the next period. Where in qm for windows there is a module for forecasting, in this research a comparison of two times series methods was used, namely the moving average and exponential smoothing methods. Each method is given weigting values such as the exponential smoothing method using alpha parameters of 0.01ro 0.10. Where in the data error test using the mean absolute percentage error or mape, the results obtained after comparing the two methods showed that the smallest percentage value for each pattern of sarong was in the exponential smoothing method. With the sweet flower pattern using an alpha value of 0.09, the coletan flower pattern using an alpha value of 0.05, and the special flower pattern using an alpha value of 0.09, which produces production forecasting data for the next period, a number of 30453 sweet flower patterns, kembang coletan 9162 and special kembang 1183. The results of data processing for forecasting woven sarong production, it was found that the method used was the exponential smoothing method with value weigting the alpha parameters for each sarong pattern are different. An obtain forecasting results for the next period.

ANALYSIS OF QUALITY CONTROL OF GAUGE FABRIC PRODUCTION TO MINIMIZE FACTORS CAUSING REJECTED PRODUCTS USING SIX SIGMA METHOD AT PT. AHMADARIS TEGAL

2025-02-07T11:26:09+07:00

This research was conducted at PT. Ahmadaris Tegal, a company engaged in the medical equipment industry, especially the production of gauze for the needs of various hospitals. As a company that supplies medical products, PT. Ahmadaris Tegal prioritizes product quality as a top priority to maintain consumer trust and meet strict quality standards in the health sector. Improving product quality is essential to maintain competitiveness in the market and meet customer demand that increasingly demands high standards in health products. Therefore, this study aims to analyze the quality control of gauze products using the Six Sigma method, identify the main causes of product rejects, and provide suggestions for improvements that can be implemented by the company to reduce the reject rate by conducting basic mentality training for operators to reduce human error. The data used in this study are the company's monthly production reports from January to June 2023. During that period, the total production of gauze reached 251,530 kg, with the number of reject products amounting to 4,003 kg. Based on the analysis using the Six Sigma method, the sigma level obtained was at the level of 2,48. This figure shows that there is a potential quality loss of 16,695 kg per million units of production produced. This result indicates that the reject rate in the company is still relatively high, so evaluation and improvement are needed in the production process to reduce the reject rate, reduce production costs, and improve overall product quality.

SALES FORECAST ANALYSIS ON PLATE STAND TREAD PRODUCTION AT PT. SADIYAH CAHAYA LOGAM

2025-02-07T11:31:06+07:00

Industrial growth in Indonesia is accelerating along with product innovations that continue to develop, especially in the manufacturing sector. PT. Sadiyah Cahaya Metalam, located in Tegal, Central Java, is a manufacturer of Plate Stand Tread that faces competitive market competition. One of the company's main challenges is ensuring efficient inventory management, including managing the lead time for raw material orders, monitoring inventory, and cooperating with suppliers. The instability of raw material availability often affects the smooth production process, causes delays in product delivery to customers, and risks lowering the company's reputation and losing potential revenue. This study aims to analyze the most appropriate sales forecasting methods to anticipate market demand and support effective inventory management. Data is collected through direct observation of the production process, in-depth interviews with production and inventory managers, and literature studies to support the analysis. Three forecasting methods are applied, namely Moving Average, Weighted Moving Average, and Exponential Smoothing, to evaluate performance based on accuracy and efficiency. The results of the analysis show that the Weighted Moving Average method has the best performance with a Mean Absolute Deviation (MAD) value of 5.096, a Mean Squared Error (MSE) of 40.751, and a Mean Absolute Percentage Error (MAPE) of 5.725%. Based on this method, sales of Plate Stand Tread in January 2024 are projected to be 91 units. This method was chosen because it is able to provide the most accurate results in predicting market demand, thus helping companies avoid the risk of shortages or excess inventory. This research contributes to inventory management practices in the manufacturing sector by emphasizing the importance of selecting the right forecasting method to optimize the production process and maintain customer satisfaction. This finding is expected to be a reference for other companies in managing inventory more effectively.

PRODUCT QUALITY CONTROL BOOT CAMP AT PT. ANEKA BONECOM COMPONENT USING STATISTICAL QUALITY CONTROL (SQC)

2025-02-11T10:26:23+07:00

Aneka Bonecom Component has implemented a strategy to enhance product competitiveness through quality control. In reality, when implemented, the quality of the produced products is still inconsistent. One of the products produced with poor quality at PT. Aneka Bonecom Component is the Boot Camp product, which has become one of the products with the most defects during the production process and, of course, causes customer dissatisfaction. Another way to maintain quality is by using the Statistical Quality Control method. (SQC). This research uses a quantitative research design, where the processed data consists of supplementary data taken from the company and primary data obtained through direct data collection. The Statistical Quality Control (SQC) method is applied in this research with primary data obtained through direct observation and structured interviews with the production department.Based on the graph, it is clear that the production process in January and December 2023 is unstable. Production data in those months were outside the established control limits, indicating that the process was not proceeding as desired. This indicates that the current production capacity is not yet able to meet the established quality criteria.Research analysis shows that Boot Camp product defects have five main root causes: human factors, materials, machines, methods, and environment. From the SQC analysis results, it was found that the defect of rubber shortage is the most significant quality issue at PT. Aneka Bonecom Component, with a total of 76,206 pcs/year. This indicates a problem in the production process, as shown on the control chart which has two data points outside the control limits, both above and below.

APPLICATION OF MOVING AVERAGE AND EXPONENTIAL SMOOTHING METHODS IN FORECASTING LOLGAGGE COLLAR BOX PRODUCTS AT PT. BIMUDA KARYA TEKNIK

2025-02-11T10:31:33+07:00

The problem for companies is to predict future production of goods based on previously recorded data. Companies produce based on orders. The production process is carried out only according to the quantity requested by customers. When there is excess production, the excess is added to inventory to meet sudden customer demand. The forecast includes the production of goods offered by the company, general business conditions, market trends and management innovations. This study aims to determine the results of the collar box lolgagge product production forecast using the moving averages and expontial smoothing methods. The more data you use to make a forecast, the more accurate the forecast. The results of this study contribute to the development of an automotive component manufacturing forecasting system. This makes it easier to determine the production of motorcycle and car spare parts next year.

ANALYSIS OF WORK POSTURE IN PACKAGING OPERATORS USING QUICK EXPOSURE SCORE (QEC) METHOD AT PT. AHMADARIS

2025-02-11T11:24:55+07:00

The aim of the research is to analyze operator complaints and analyze packaging operators in their work positions before and after repairing work facilities using the Quick Exposure Checklist (QEC) method. This QEC is a method for assessing occupational risks involving muscle disorders in the workplace. In addition, it also assesses risk disorders in the neck, wrist, arms or shoulders and in the back of the back. The results of this research from 3 packaging operators with long working postures (sitting position) produced respective Exposure Levels of 59.25%, 64.19%, 65.43% with an average of 62.96% and obtained Exposure Levels in the range worth >70%. This shows the need for further research and the need to make changes to the work station. The results of the improvements obtained show that 3 packaging operators with a new working posture (standing position) produced respective Exposure levels of 35.80%, 22.22%, 22.22% with an average of 26.75% and obtained Exposure Levels in the range worth >40%. Exposure Level Results before repair and after repair produce an average difference of 36.21%.

PROPOSED DESIGN OF PRODUCTION FACILITY LAYOUT USING ACTIVITY RELATIONSHIP CHART (ARC) METHOD AT PT. TEGAL ROAD CONSTRUCTION

2025-02-11T11:48:02+07:00

Effective facility layout design is key in improving productivity and operational efficiency, especially in the face of fierce competition and dynamic market demands today. Productivity is closely related to the production process, which is the processing of raw materials into finished products. Inventory management is needed in managing production scheduling, ordering, and inventory in storage and warehouse. PT Tegal Road Construction is a company engaged in the production of concrete and asphalt. The company often faces challenges in operational efficiency and productivity due to a less than optimal facility layout. As a result, a better facility layout design is needed to improve production performance. The Activity Relationship Chart (Nadira Marsandri Ratnakaniya et al., 2024) (ARC) Method was used in this study. to design a more efficient facility layout. Data was collected through observations, literature reviews as well as interviews. Findings indicated that a good facility layout change (Casban & Nelfiyanti, 2019) can reduce product completion time and improve operational efficiency. By optimizing the distance between work stations and raw material warehouses, the production process becomes smoother and production costs can be reduced. The conclusion of this research is that the proposed design of a more effective facility layout at PT Tegal Road Construction can have a favourable effect on the production process

IMPLEMENTATION OF THE WILCOXON DIFFERENTIAL TEST METHOD ON THE RESULTS OF WEIGHTING 25 kg OF SERIES WEIGHING CYCLES WITH PARALLEL WEIGHING CYCLES OWNED BY PT. AAA IN UPTD METROLOGY LEGAL TEGAL CITY

2025-02-11T11:54:24+07:00

This study aims to analyse the difference in the results of 25 kg electronic scales weighing cycle series weighing with parallel weighing cycle using descriptive statistical analysis and Wilcoxon test method. This research was conducted at the PT AAA company which was administratively registered as a mandatory subject of tera at the Tegal City Legal Metrology UPTD office in March 2024. The data collection technique was carried out by conducting a test of 25 kg weights weighing series and parallel weighing as a whole carried out by functional weighers and obtained as many as 20 results of 25 kg weights belonging to PT. AAA which became the research data. The analysis was carried out with a descriptive model where validity test, data sufficiency test, data uniformity test, normality test, and Wilcoxon method difference test were carried out. The results showed that the weighing cycle between series and parallel had an effect on the results of the 25 kg weighing scale, although the validity test between the two weighing cycles had good validity but from the results of the difference test obtained significant differences. The results of this study are expected to be used as a consideration for the UPTD Legal Metrology agency in compiling the SOP of the weighing method by paying attention to the smallest error value of the results of the 25 kg weighing scale.

OPERATIONAL AND MAINTENANCE IMPROVEMENT OF DOLL CLAW MACHINE GAME AT PT. TRANS REKREASINDO

2025-02-11T12:00:44+07:00

PT Trans Rekreasindo is one of CT Corp's business units engaged in Entertainment such as game machines and playgrounds with several branches in Indonesia, PT Trans Rekreasindo itself has spread across several regions of Indonesia, precisely divided into 38 sites, with more than 160 rides and 3500 games available. One of the machines available at PT Trans Rekreasindo is a doll claw machine game, all game machines at PT Trans Rekreasindo use modern machines and are always updated. Because of this, the researcher must be able to find out about the maintenance and operation of the puppet claw machine game. The researcher conducted an approach that included in-depth interviews as well as repairing and maintaining the puppet claw machine game at PT Trans Rekreasindo. It is very important to take care of the machine because in good care the machine will also operate well.

ANALYSIS PRODUCT PRINTED SARONG FABRIC USING STATISTICAL PROCESS CONTROL METHOD AT PT. XYZ

2025-02-11T12:06:36+07:00

Every company must maintain strong relationships with its customers and the quality of its products. Consumers expect products to meet their needs and desires while ensuring reliable performance. Therefore, companies must consistently maintain product quality that is both acceptable to consumers and competitive in the market. This study identifies the extent of quality control implementation and its effectiveness in reducing defects in printed sarong products at PT. XYZ. Using the Statistical Process Control (SPC) method, this research aims to optimize quality standards and minimize product defects. Control charts and fishbone diagrams were utilized to identify defective products deemed out of control and to uncover root causes of these defects. The findings indicate that PT. XYZ experiences significant fluctuations in defect levels, particularly in September and November 2023. Common defect types include design flaws, color inconsistencies, and contamination. The fishbone analysis highlighted key contributing factors such as operator errors, inadequate machinery maintenance, and unstable material quality. The study concludes that implementing SPC effectively can help companies identify and address quality issues systematically. Recommendations include regular training for employees, enhancing production processes, and maintaining better control over production environments to achieve sustainable product quality.

PREPARATION OF A QUALITY MANAGEMENT SYSTEM BASED ON CPPOB TO PREPARE FOR CERTIFICATION SNI 7713: 2013 FRIED SHALLOTS AT PT SINERGI BREBES INOVASI

2025-02-11T12:11:49+07:00

Shallots are one of the vegetable commodities, besides that shallots can be used as processed products to increase economic value. the number of UMKM makes competitiveness even higher Many UMKM are now engaged in the fried onion sector, UMKM must have standards in addition to providing safety for consumers, it can also improve the quality of the product itself. Improving product quality can be proven by having a certificate of applicable standards, one of the certificates that can improve standards is the Indonesian national standard certificate (SNI). using a CPPOB-based quality management system. PT Sinergi Brebes Inovasi, which has fried onion products under the brand Dapur Rasa, wants to improve product quality to maintain taste and safety to consumers. The right way to fulfill this desire is to carry out SNI certification so that PT Sinergi Brebes Inovatif can improve the applicable fried onion standards. Before the SNI Certification process is carried out, there are many preparations that must be made to meet the standards, therefore it is necessary to carry out the process of preparing documents based on the CPPOB-based quality management system and gap analysis at the production site. The method used is direct observation and interviews, after the gap analysis is carried out, several discrepancies are found in the documents and production sites so that improvements are made. Until finally PT Sinergi Brebes Inovatif is considered ready to carry out the stages of SNI certification.

IMPLEMENTATION OF THE E-ARCHIVE SYSTEM USING THE RAIL DOCUMENT SYSTEM METHOD AT PT XYZ

2025-02-11T12:16:54+07:00

Effective records management has become a major concern of modern companies in the need for better information management. This is an effort to achieve perfection in archive management which so far has not been integrated. Document management is still often done manually, resulting in work being wasted even though information is needed quickly. PT XYZ strives to achieve perfection in archive management by creating an electronic archive system. The research results show that the administration of electronic archives at PT XYZ through the Rail Document System includes creating and storing archives, utilization and distribution, maintenance and depreciation. Separation, scanning, and use of electronic storage media are three components included in the creation and storage process. This includes security mechanisms for electronic records both in administration and distribution. The maintenance process includes both software and hardware. Apart from that, during the depreciation process, namely during the process of transferring electronic records.