bluuebunny/crossref_metadata_2025_split huggingface dataset:
Lean Manufacturing Approach to Minimize Waste in The Process of Sorting Palm Oil Using the Value Stream Mapping Method
Authors: Fitriadi  , Sofiyanurriyanti  , Lubis DA , Pamungkas I , Irawan HT 
Published: December 2020

Abstract
This research uses lean manufacturing approach and mapping the production line of a product which includes material and information from each work activity using value stream mapping method to minimize waste. Problems faced by oil palm companies can be seen in more detail in the sorting process. The company does not realize that there are many ways of working that can be improved to become more effective and efficient, from checking to grouping the quality standards of palm oil. The sorting activities are carried out from weighing FFB to selecting the quality of oil palm. The results of this study showed that the value-added activity was 69.9920863 minutes with a process cycle efficiency rate of 27.392122%. After repairs were made, it was found that the activity of moving the palm fruit to the sorting station, the palm fruit waiting to be unloaded from the truck, the palm fruit being unloaded and sorted from the truck in the palm sorting process is an activity that has no added value, so it needs to be improved. The improvement results show an increase in process cycle efficiency to 46.909592%.
Evaluation of Service Quality of Public Transportation (Study Case of Trans Padang)
Authors: Henmaidi  , Jonrinaldi  , Yenny Hilmi 
Published: December 2020

Abstract
The quality of a service affects user satisfaction. The quality can be assessed based on the user’s perception. Paying attention to quality is important for any organization to survive and win the competition. The quality of a service can be defined as the gap between perception and expectations of a service. Perception is based on how customers perceived service based on services provided. Expectations are based on customer interest. This paper present service quality of Trans Padang, a transportation industry perceived by customer. We measure the level of quality using Fuzzy Servqual dan IPA Method. The aim is to find out the indicators that need to be improved for better service quality. The results show some aspects of service quality fall below customer expectations. We found the gaps of 12 indicators are negative. This indicate that the management need to pay serious attention in these areas to improve the service quality.
Assembly Line Balancing with Method Ranking Positional Weight (case study: XYZ Company)
Authors: Ginting Rosnani , William  
Published: December 2020

Abstract
A company uses several methods to increase productivity in the company. One of method used in increasing productivity is balancing production lines on each work element. Balancing the work track can be done by allocated work elements. The allocation of work elements in the work station can be seen at cycle time. Big difference in cycle time causes some work elements have bottlenecks. In achieving high productivity in a work station company must have a balanced workload. Effectiveness in the production floor aims to make the company achieve the desired production target of consumers. Companies failing to achieve production targets will have a negative impact on the company. The negative impact felt by the company in the form of losses. Ineffectiveness in production summary can be caused by differences between machine capacity and production capacity. Machine capsules that are smaller than the capacity of production cause the work elements must have accumulated. Effective production trajectories can be measured by producing high output with low resource utilization. The reason why companies often experience bottlenecks on a production floor is an imbalance of resources within a factory.
Slaughtering System Design in Halal Beef Supply Chain Using Value Chain Analysis
Authors: Wahyuni Dini , Nazaruddin  , Rizki M. Fauzan , Budiman Irwan 
Published: December 2020

Abstract
People prioritize the taste of food more than the Halal status, while Islamic law requires Muslims to consume Halal food. Halal Supply Chain management system is the system that involves Islamic principles in all activities from farm to fork. These three factors must be a concern: direct contact with haram (forbidden), cross-contamination, and Muslim perception. In the slaughterhouse, all the processes in slaughtering and handling the carcass must be able to guarantee the Halal status of the product. This research was done in four slaughterhouses. The observation was made in cattle feedlot, from all activities at the slaughterhouses to the product sent to retailers. The value chain of the slaughter system in the beef supply chain can be a guide for preparing business process in slaughterhouses as a provider of beef in the Halal Supply Chain.
Analysis of Crude Palm Oil Supply Chain using Food Supply Chain Network (FSCN): A Case Study
Authors: Matondang Nazaruddin , Hidayati Juliza , Buchari  , Permana Arifin Erik , Panama Jeffrey 
Published: December 2020

Abstract
Palm oil industry is one of the leading industrial sectors in Indonesia. In order to fulfill CPO demand as well as increasing of CPO sales, a research to analyse the supply chain flow of CPO was conducted. This research was conducted in ABC company, which is a privately owned business entity engaged in oil palm plantations located in South Tapanuli Regency, Indonesia. Analysis of supply chain had been done by using Food Supply Chain Network (FSCN) to define the integration of key business processes provided by original suppliers that provide products, services, and information from end users to customers and other stakeholders. Result of this research clearly defined the supply chain process with a clear flow of material, information and finance. The key process of CPO supply chain is the distribution of raw materials of CPO, namely fresh fruit bunches (FFB) which were collected from privately owned oil palm plantations and nearby community gardens, then processed in mills, deliver to storage tank, and export to customers. Analysis of this case study provided a clear description of CPO supply chain and may let further researchers to easily examine the potential risks at each stages and actors of CPO supply chain.
Simulation Model of Replanting Eucalyptus : a Review
Authors: Sembiring Nurhayati , Lodewijk Napitupulu Humala , Tryana Sembiring Meilita 
Published: December 2020

Abstract
Eucalyptus has developed the supreme planted genus of tree species in the domain that often used as the main basic material for the pulp and paper manufacturing, the woodworking industry, food, equipment, etc. Replanting eucalyptus plants as an effort to optimize the productivity of plantation forests is one of efforts in supporting sustainable development. In this case, the replanting of eucalyptus as an industrial raw material can supply raw materials to industries in need such as the wood and pulp industry. This study focuses on exploring the impact of adoption technologies such as simulation, to analyzing about benefits and threats of eucalyptus in the spread of replanting. We recorded the publication date, journal title, simulation model, parameter of the simulation model, and the kind of eucalyptus species. We recapped the results based on the simulation model employed and the types of objectives and constraints that were used. The need to estimate the impact of the simulation model of replanting eucalyptus is an important element in the development and analysis of industrial forests and maintains sustainable development.
Proposed optimal maintenance intervals for milling machine using risk based maintenance and analytical hierarchy process at manufacturing plant
Authors: Farid D A , Budiasih E , Alhilman J 
Published: December 2020

AbstractPT IIS is an outsourcing company that offers manufacturing spare parts and dies forging. In producing dies forging product PT IIS uses Milling machines, lathes, and CNC 20-L Liquy Hising machines. Based on machine failure data, milling machines suffered a total of 27 times failure during the 2018-2019 period, the frequency of failure will affect the production process and resulted in large maintenance costs. Thus, it takes more observation regarding the maintenance of the Milling machine. The method used for research is Risk-based maintenance (RBM) which aims to estimate and minimize risks arising from failure. The results of collection and processing using RBM revealed that Milling machines with 2880 hours maintenance intervals had a total risk of Rp6,395,124.84 with the percentage of 0.67% exceeding the company’s risk tolerance limit of 0.50%. Using the approach to minimizing risks, the proposed maintenance interval is 1100 hours and is at the company’s risk acceptance criteria of 0.50%. This study also uses the Analytical Hierarchy Process (AHP) method which decides the maintenance policies that are tailored to the company’s conditions, for Spindel components and rags using condition-based maintenance, and coolant hose components using time-based maintenance.
Analysis Work Standardization Using The Standardized Work Combination Table on CNC of Mission Case Line Process at PT Astra Otoparts, Tbk - Nusametal Division
Authors: Aisyah Siti , Purba H H , Dwi Setiaji Septian 
Published: December 2020

Abstract
PT Astra Otoparts Tbk. - Nusametal Division is manufacturing company that produce various types of metal part. In the Machining section, there is a new line producing parts of Mission Case. This line has not had the standardized work as an operator’s guide in running its production process. Hence, the Standardized Work Combination Table (SWCT) on Mission Case line is created to ensure operator works properly according to the work standard that has been made, to achieve predetermined production, and to prevent product defects. The creation of SWCT resulted in operator cycle time of 151 seconds/3 pcs and 166 seconds/3 pcs for cycle time of machine with operator idle time for 15 seconds that is 2 seconds faster than takt time.
Ant Colony Optimization Implementation on Traveling Salesman Problem to Achieve the Shortest Logistic Route
Authors: Tryana Sembiring Meilita , Chailes Steven 
Published: December 2020

Abstract
Transportation refers to the movement of everything from raw materials to finished goods between various facilities in the supply chain. In transportation, the exchange between responsiveness and efficiency is manifested in the choice of transportation modes. Because transportation costs can be as much as one third of the supply chain operating costs, the decision made here is very important. Traveling Salesman Problem is one of the best-known NP-hard problems where there is no precise algorithm to solve it in polynomial time. The ACO algorithm has good potential for problem solving and recent research that has attracted a lot of attention, in particular is the case of solving NP-Hard problems. One of the earliest best works is completing TSP using ACS (Ant Colony System). Ant System is the first ACO algorithm with its main characteristics being that at each iteration, the pheromone values are updated by all (m) ants who have built a solution in the iteration itself. From the arrangement of the shipping routes that have been implemented by the Ant Colony Optimization on the Traveling Salesman Problem, the amount of savings in the transportation mode of trucks to mileage is 37%.
Determination of the cost of patchouli oil production in South Aceh using break-even analysis
Authors: Irawan HT , Pamungkas I , Fitriadi  , Saputra A 
Published: December 2020

Abstract
This paper uses break-even analysis to determine the cost of producing patchouli oil in Kete Nilam Hijo (KNH). KNH is an industry engaged in the refining process of patchouli oil, located in South Aceh Regency, Indonesia. One obstacle faced by the KNH is that the costs of producing patchouli oil are not yet known. So far, KNH has never made economic calculations in producing patchouli oil. KNH only relies on production based on profit so that profits are not maximized and always fluctuates. In addition, the break-even point for the production of patchouli oil is also not known with certainty. To determine the break-even point, total costs and total revenue will be calculated first. This research was conducted in several stages, namely preliminary study, data collection, data processing, analysis of results, and finally concluding the results of the study. The results showed that the total production cost of patchouli oil refining at KNH in one year was 1,120,018,250 rupiah. Meanwhile, KNH had to sell 1,600 kilograms of patchouli oil to break-even.
Identification of criteria for determining the location of souvenir centers in batam city tourism
Authors: Fajrah N , Zetli S 
Published: December 2020

Abstract
Batam City as one of the largest city centers in the Riau Islands Province which was previously known as an industrial city, is now starting to turn into a tourism city. However, Batam tourism has not been equipped with a souvenir sales center to introduce Batam city characteristics. The aims of this research is to find out the criteria for determining the location of souvenir centers in Batam City Tourism. The method used in the data collection criteria is voice of customer, which is then analyzed from the statistical level. This research will provide several criteria that can be selected by respondents to determine the criteria for the location of the souvenir center. Based on the research results, it is known that tourists really need a souvenir center in a tourist city such as a complete, comfortable, and safe souvenir center is urgently needed by tourists. This is because souvenirs are part of the process of introducing the culture of an area to tourists. Therefore, the Batam city government needs to pay attention to the needs of tourists who travel to Batam City by providing a souvenir center in the tourist center of Batam City.
When Cermet Applied for Hard Machining of Steel: A Review
Authors: Arifin M , Ginting A , Sarjana S S , Suherman  
Published: December 2020

Abstract
Providing an information deals with the application of Ceramic Metal (Cermet) as a cutting tool applied for hard machining of steel is the objective of this review paper. Cermet is made of hard metals and was introduced just after the invention of Cemented Carbide. As a cutting tool, the conventional Cermet was known as TiC-based Cermet. Unfortunately, it was not as successful as Cemented Carbide due to its brittleness of low fracture toughness of TiC substrate. Thanks to TiN material. The addition of TiN improved the fracture toughness, and the modern era of Cermet was begun. A TiCN-based modern Cermet is characterized microstructurally by a structured hard phase featuring core-rim structure embedded in a tough Co-Ni binder. The effort to refine the fracture toughness of TiCN Cermet is discussed in this paper including the effort to raise its performance through coating technologies. In particular, its performance which is given in term of productivity and represented by volume of removal rate (VMR) is discussed. Finally, conclusions and recommendation for future works are written.
A Review: Development of MQL systems applied for metal cutting
Authors: Lubis M I J , Ginting A , Sutarman  
Published: December 2020

Abstract
Today, there is a remarkable progress to reduce the costs of tooling, production, maintenance and to increase efficiency in metal cutting operations. The practice of machining process under dry cutting has become common in the metal machining industry, but it has weaknesess. To enhance dry cutting, the minimum quantity lubrication (MQL) technique has been introduced. MQL is a very promising solution as an alternative both to replace the conventional flood cooling and to enhance the dry cutting. MQL has been proven to be a superior mechanism with some benefits such as cost effective, worker safety, improved cooling performance, and improved system performance. MQL can be regarded as technology that connecting dry and conventional flood cooling. This study is aimed to discuss MQL including its development and its application in machining processes.
The Intervention of Participatory Ergonomics in Repetitive Truck Loading Improvement Activities for Mineral Water Product
Authors: Wahyuni Dini , Panjaitan Nismah , Budiman Irwan , Dora Manurung Elisa 
Published: December 2020

Abstract
This research was conducted at a bottled drinking water company located in Sumatera Utara, Indonesia. Workers loading gallon water bottles into trucks experiencing musculoskeletal complaints (MSDs). Rapid Upper Limb Assessment (RULA) and Job Strain Index (JSI) assessment of the work also shows high-risk work. Participatory ergonomics interventions were conducted to overcome these complaints through two stages of Focussed Group Discussion (FGD). The first stage of the FGD with the workers produced several inputs which became material in the second phase of the FGD with the management. In the second phase of the FGD, approval was obtained for the implementation of the repair solution for 20 working days (4 weeks), namely the provision of Occupational Safety and Health material, the application of gallon water bottle transfer operating procedures to the truck, and the application of Job Control by the supervisor. Every week, ergonomic interventions are evaluated and at the end of the fourth week, there are no complaints of extreme pain in all segments of the worker’s body.
Analysis of Human Factors and Workloads in Earthquake Disaster Evacuation Simulations Using Virtual Reality Technology
Authors: Sudiarno Adithya , Wahyuni P A Dwi 
Published: December 2020

Abstract
Natural disasters are disasters caused by a series of events caused by nature. An earthquake is an earthquake or event that shakes the earth caused by a collision between the earth’s plates, volcanic activity, or the collapse of rocks in a mining area. In a disaster situation, evacuation of knowledge or procedures is very important to optimize the chances of disaster survivors while trying to save themselves. How many migration efforts have been made, for example through direct simulations, as well as print media facilities such as disaster response books, videos, etc. One technology that can make a scenario as if real is virtual reality (VR). VR can be used as a technology when carrying out disaster evacuation simulations to avoid or reduce risk when conducting live simulations. In this study will calculate the workload when using simulations using the SIM-TLX method with several conditions, cybersickness symptoms felt by participants, usability, and immersive in simulation applications. This research was conducted on participants who are experts in disaster response and amateur participants. the results of this study can be seen that the workload does not affect in all five conditions, about 60.42% of participants experienced headaches due to the use of VR, the SUS score obtained was 68.39 out of 100 and a PQ score of 3.95 out of 5.00 which means above average.
Risk Modelling in Financial Feasibility Study for Caesalpinia sappan Natural Dyes Factory in Surakarta
Authors: Ronyastra I M , Sutrisna P D , Waluyo P W , Winadi A S , Priyantini H R 
Published: December 2020

Abstract
Emerging concern for sustainability issues in textile industry has increased the interest to use natural dye in the textile wet processing as it offers a solution for a non-polluting waste. One of the popular sources for natural dye is Caesalpinia sappan barks. However, the decision to build a factory specializing in producing natural dye powder from Caesalpinia sappan would expose several risks and it will need supporting data from a feasibility study especially from the financial aspect that consider the risks. This research aimed to construct a financial model that can be used to identify risk drivers and their impact on the financial result. The risk modelling was conducted using 3-points estimates with Monte Carlo simulation. This research found that the net present value (NPV) is at IDR 1.080.570.007 which is considered as feasible. There are three main risk drivers that have significant impact namely selling price, market share, and material cost. The Monte Carlo simulation from 100 iterations reveals that the mean and median for the NPV is at around IDR 900 million.
A systematic literature review of lean six sigma
Authors: Ishak Aulia , Siregar Khawarita , Ginting Rosnani , Gustia Dinda 
Published: December 2020

Abstract
Competition in the industrial world lately is very tight. This intense competition requires companies to be able to compete very well. Companies must be able to provide good quality products that they produce. With the increasing competition, the supply of quality products has become a competitive advantage. Therefore, companies need to adopt competitive strategies that can improve the quality of their products, one of which is quality control. One of the quality control methods that can be used is Lean Six Sigma. Lean Six Sigma is a combination of two methods of improvement. Lean is a philosophy to reduce or eliminate unnecessary time, materials, and activities, while Six Sigma is a concept designed to increase overall effectiveness by defining, measuring, analyzing, improving, and controlling processes. Both the Lean’s philosophy and Six Sigma methodology focus on increasing bottom yields, increasing customer satisfaction, reducing defects and improving organizational performance. Therefore, this study has tried to review the current status of Lean Six Sigma from published research articles to reflect the purpose of this paper to compile the latest scenario for the deployment of Lean Six Sigma in various industries literature on Lean, Six Sigma and LSS (Lean Six Sigma).
Quality Control of Chopsticks Product Using Lean Six Sigma Approach Method
Authors: Ginting Rosnani , Ishak Aulia , Stefry  , Supriadi  
Published: December 2020

Abstract
Quality control is carried out in order to produce products in the form of goods or services in accordance with the standards desired and planned. PT. XYZ is a manufacturing company that produces chopsticks made from bamboo. In producing chopstick products, PT. XYZ is experiencing waste problem, which is the number of defective products. The percentage of product defects experienced by the company is around 3%. Therefore, the six sigma approach method is used in an effort to improve product quality through the DMAIC stage (Define, Measure, Analyze, Improve, Control). In the define phase, 3 types of defects are found, which are perforated, broken and stringy. In the measure phase, the value of DPO is 0,153. In the analyze phase, the main factors causing defect are material due to the usage of low quality materials. In the improve phase, the 5W + 1H method is used to create a new method in reducing defects. In the control phase, a new SOP (Standard Operating Procedure) is made for the company.