Assembly line balancing to improve productivity using work. Assembly line balancing problem with reduced number of. Line balancing by methods apparel consultancy youtube. Pdf some new ideas for assembly line balancing research. Assembly line bala ncing or simply line balancing lb is the proble m of assigning o perations to workstatio ns along a n assembly line in such a way that the assignment be optimal in some sense. New data reveal fords operations were adaptable to strongly increasing and highly variable demand. For the manufacturing of any item, there are some sequences of task that must be followed. Assembly line balancing alb is one of the important problems of productionoperations management area. International journal for quality research 81 87106. Assembly line design and balancing designing and balancing the audi b9 mirror assembly line at smr automotive mirrors technology, mosonszolnok, hungary master of science thesis in the masters programme production engineering ranjith raja department of product and production development division of production systems. Balance the line by assigning specific tasks to workstations. In this article, we report on new results for the wellknown simple assembly line balancing problem type 1. The selected line is the bun production line because the line contributes the highest demand.
Implementasi line balancing untuk peningkatan efisiensi di. Recent research has led to efficient branchandbound procedures. Fords assembly line at highland park is one of the most influential conceptualizations of a production system. These analyses show fords assembly line was used differently than modern ones and their production systems were more flexible than previously recognized. Numerous active learning activities are available to assist instructors in teaching assembly line balancing to students. The problem of assembly line balancing is to assign different tasks to individual workstations for ensuring the sum of task times at any station not exceeding the station time. Peng liu, lang li in their paper, the application and research of a simulationbased line balancing method. The assembly line balancing problems are classified into eight types based on three parameters, viz. International journal of innovative research in science, engineering and technology. Enter information that will be meaningful on a budget report. The assembly line balancing problem, journal of industrial engineering, 6269.
International journal of production research, 406, 14051420k. Reduction of manufacturing cycle time using line balancing a case study ashwinkumar arivoli1, vignesh ravichandran2 1bachelor of engineering, dept. Information about the openaccess article optimum assembly line balancing. Pdf line balancing heuristics for productivity enhancement in. The research has been done for assembly line balancing with various studies. Joitmc free fulltext simple assembly line balancing. In another word the company used line balancing for grow up the rate of production and decrease man power, idle time and buffer near machine, also used line balancing for produced more than 2 products assembly lines are the most.
The assembly line balancing is to assign the different tasks to various stations such that the. Line balancing is an effective tool to improve the throughput of assembly line while reducing bottleneck, cycle time. Stateoftheart exact and heuristic solution procedures for simple assembly line balancing european journal of operational research vol. The assembly line balancing problem, when solved, could help to increase process flow and allow the average production time of each workstation to be equal, and not lead to idle periods and thus. Line balancing, line efficiency, labor productivity, work sharing method, productivity abstract. The design of balanced assembly lines, especially when considering workforce, material, and cycle time factors, is an important managerial decision. In spite of the great amount of extensions of basic assembly line balancing alb there remains a gap between requirements of real configuration problems and the status of. Abstract line balancing is an effective tool to improve the throughput of assembly line while reducing nonvalueadded activities, cycle time. This study aims to improve line balancing efficiency of ammunition box production. The productivity level of an assembly line generally depends on balancing performance.
Article pdf available in indian journal of science and. The method selected to improve this line is a combination of line balancing and work study methods. In this paper, a new model that simultaneously defines inspection policy and assemblyline balancing is presented. Pdf assembly line balancing is the problem of assigning operations to. In the clothing industry, the standard minute time derived from the work study methods is. This paper approaches the assemblyline balancing problem as a sequencing problem involving precedence constraints that prohibit the occurrence of certain orderings.
Line balancing was used to measure the inefficiency of the line and later was used to measure the effectiveness of the proposed solution. Pdf line balancing by using time study ijsred journal. A goal programming approach to mixedmodel assembly line. Introduction ine balancing means balancing the production line, or any assembly line. Accordingly, this attracted the attention of researchers, who tried to support practical configuration planning by suited optimization models. A constraint slows the process down and results if waiting for downstream operations and excess capacity results in waiting and no absorption of. Assembly line balancing alb is the term commonly used to refer to the decision process of assigning tasks to workstations in a serial production system. Keywords assembly line balancing, workstations, production and equipment cost. Or spectrum publishes applied and theoretical papers which contribute to operations research as a scientific instrument for the development and application of quantitative approaches for problemsolving and decisionmaking in management. Line balancing is an effective tool to improve the throughput of. Assembly line balancing international journal of science. The balancing api is used by oracle general ledger and oracle subledger accounting to provide the necessary balancing lines for a. For this nphard problem, a large number of exact and heuristic algorithms have been proposed in the last four decades. The findings showed that the moodie young method resulted in a 7.
Finally, comparing with the former production line, implementation of the new strategy makes the production efficiency and quality improved greatly. Firstly, priority associations and standard durations of operations of denim trousers were determined. Standard minute time is generally used in the clothing industry as a predictor of sewing speed and production efficiency. Line balancing is a jobs assignment into a number of work stations that are interrelated in a track or a production line with an objective to minimizing the idle time on the line that is determined by the slowest operation. Line balancing is equalizing the workload across all operations in a line to remove bottlenecks and excess capacity. Line balancing is a tool that can be used to optimize the workstation or assembly line throughput. Line balancing is the problem of assigning operation to workstation along an assembly line, in such a way that assignment is optimal in some sense. Line balancing tool helps you in optimizing productivity of your line, very user friendly developed by methods apparel consultancy.
This paper intends to investigate and evaluate the line balancing problem in a production line of nano bright solar technologies. In addition, the balance delay value decreased as much as the line efficiency. Therefore to control cost and waste reduction is main concerns for maintaining the economy of these industries. Different methods are developed to solve assembly line balancing problems. Author links open overlay panel nils boysen a malte fliedner a armin scholl b. Keywords bottleneck, efficiency, layout, line balancing, work sharing method. Simulation for jewelry production process improvement. Pdf improvement of production rate by line balancing for small. Teaching line balancing through active and blended. The main objective of line balancing is to distribute the task evenly over the work station so that idle time of man of machine can be minimized. Then, assembly line balancing study was carried out by using ranked positional weights assembly line balancing method developed by helgeson and birnie to increase the production in a clothing company manufacturing five pocket denim trousers. Line balancing helps to assign tasks to workstations, so that optimal assignment is achieved. Pdf line balancing techniques for productivity improvement.
International journal of innovative research in science. The processes used to accomplish the assembly of the components can be divided into three major. An assembly chart oriented assembly line balancing approach. International journal of mechanical and industrial technology issn. Objective is to minimize the imbalance between machines or personnel while meeting required output. Lob scheduling has the capability to ensure a smooth procession of crews from unit to unit with minimal conflicts and decrease idle time for workers and equipment. A user can edit the journal line description to something other than the account name default. Textile and apparel industries are time consuming and labor oriented. An integer programming algorithm with network cuts for solving the assembly line balancing problem management science vol. A study of the effect of time variations for assembly line.
Optimization of cycle time in an assembly line balancing problem. Jointly sponsored by gesellschaft fuer operations research the german or society nederlands genootschap voor besliskunde the dutch or society. Landasan teori line balancing menurut gaspersz 2004, line balancing merupakan penyeimbangan penugasan elemenelemen tugas dari suatu assembly line ke work stations untuk meminimumkan banyaknya work station dan meminimumkan total harga idle time pada semua stasiun untuk tingkat output tertentu. Assembly systems and line balancing discrete products are assembled from components. After that, three methods based on line balancing lb, theory of constraints, and jit concepts or ecrs eliminate, combine, rearrange and simplify are proposed and implemented in the actual production line.
Line balancing heuristics for productivity enhancement in beverage factory. The processes used to accomplish the assembly of the components can be divided into three major categories. As can be seen the difference between the two methods is a line of balance chart can summarize a group of similar activities onto one line and consequently a large number of common activities onto a. Assembly line balancing alb is the problem of assigning tasks to successive workstations by satisfying. The related activity concept in assembly line balancing. Read a goal programming approach to mixedmodel assembly line balancing problem, international journal of production economics on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Assembly line balancing to improve productivity using work sharing method in apparel industry.
Line balancing is leveling the workload across all processes in a cell or value stream to remove bottlenecks and excess capacity. Calculate theoretical minimum number of workstations. As small improvements in the performance of the system can lead to significant monetary consequences, it is of utmost importance to develop practical solution procedures that yield highquality design decisions with minimal computational requirements. Ghutukade et al, international journal of advanced engineering research and studies eissn22498974 int. The production process of garments is separated into four main. Productivity improvement through line balancing a case. In line welding 1dy models includes eight work stations where one work station is. Waldemar grzechca in his paper, cycle time in assembly line balancing problem 4 assembly line balancing problem is discussed. This approach permits the formulation of a dynamic programming algorithm for the exact solution of. Assembly line is the key function to get the mass production. A number of techniques are followed to control the overall cost like. A survey of exact algorithms for simple assembly line balancing. Reduction of manufacturing cycle time using line balancing.