The proposed approach was applied to a mixed assembly line composed of seven product models. Introduction while looking at product layout there are many aspects to focus on. Scheduling and line balancing in a multiproduct assembly. Unit 6 introduction to balancing balancing structure 6. It also helps to identify bottlenecks in operation and ways of balancing the activity. Line balancing strategy is to make production lines stretchy enough to absorb external and internal indiscretion.
Pages 347359 received 01 jul 2004, accepted 01 sep 2004, published online. Keywords bottleneck, efficiency, layout, line balancing, work sharing method. And the layout is redesigned by using flexim software. The processes used to accomplish the assembly of the components can be divided into three major.
Product layout requires line balancing and if any production line remains unbalanced. Arranging stations in a sequence line for the product to move from one station to the next until its completion at the end of the line. The intent of line balancing is to match the output rate to the production plan. Production line balancing study tends to employ thought and ingenuity to change conditions. The introduction of multiple, independent production lines has helped many. Line balancing in production management mba knowledge base. Assembly line balancing to improve productivity using work. Production lines, product design, market demand, number of workers, technology or machines. It is easier to balance an assembly line operation than a machining operation.
How to balance a manufacturing work cell quarterman lee. Teknik tata cara kerja merupakan suatu ilmu yang bersikan teknik dan prinsip untuk mendapatkan rancangan terbaik dalam suatu sistem kerja. Productivity improvement through line balancing in apparel. Time study was performed to ascertain the adherence of the current process to the takt time. Therefore to control cost and waste reduction is main concerns for maintaining the economy of these industries. Pdf line balancing techniques for productivity improvement. Improvement of overall efficiency of production line by using line balancing ahmad naufal adnan 1, nurul ain arbaai 2 and azianti ismail 1 1faculty of mechanical engineering, universiti tekninology mara johor, kampus pasir gudang, pasir gudang, johor, malaysia.
This strategy involves setting a planned rate of production for necessary materials to be fabricated within a particular time frame. Line balancing part 4 oee usage and flexibility february 16, 2016 lean tools information flow, lean tools, material flow, shopfloor christoph roser in the previous post we looked at the potential problems when using an oee for line balancing. Prinsipprinsip tersebut tidak hanya menganalisa gerakan. Introduction the production process of garments is separated into. Assembly line balancing problem of sewing lines in garment. Soft student handouts, by, sunil talekar, faculty, softpune what is line in apparel manufacturing. To obtain the maximum production, an sme must manage the production line very well. Balancing of production line in a bearing industry to improve productivity 101 grouping genetic algorithm gga technique to single model balance line for a sewing division similar to what we have worked.
Optimize assembly production line using line balancing. Learning factories based on realistic physical infrastructure provide engineering students with actionoriented learning conditions that facilitate holistic development of occupational. Pdf implementation of line balancing method for manufacturing. The present study aimed at balancing a trouser assembly line using the ranked. The bottle neck stations are dedicated to the production of the chosen product and there is no mix of products in these stations. The idea of workers checking and doing minor repair work on their own equipment possibly decreases the risk of equipment. Line balancing techniques to improve productivity using. Reduction of manufacturing cycle time using line balancing. However, the production managers in garment manufacturing are.
Three previous authors have presented some evidence in support of the hypothesis that the output rate of perfectly balanced lines with variable station or operation times can be improved by deliberately unbalancing the lines in different ways, i. This diagnoses features its analysis by sumanta basu. Frequently, a machine already in operation will need rebalancing or a new machine when assembled at its permanent location will need balancing. Line balancing production and operations management. Production layout improvement by using line balancing.
This study is an attempt to integrate all the elements of jit. To work effectively, with no work pileups between stations, the line must be balanced, e. Line balancing production and operations management in production, line balancing is useful tool. Balancing linkages contd these equations yield the two sets of conditions. Line balancing activities are usually undertaken to meet a specified output. As shown in figure 1, the production process of garments is separated into four main. The results were considered satisfactory when assessed in terms of production capacity. Production line design and operation is more art than science. Line balancing is usually used in floworiented production systems for costefficient mass production of standardized products. An example of line balancing simulation expert brian harrington discusses how simulation can play a key part in the successful completion of a manufacturing project when the conflicting objectives of cost, quality and time all need to be delivered on. Line balancing is the assignment of work elements to stations in a line.
Implementation of line balancing method for manufacturing line of. In practical situations, various definitions of efficiency of an assembly line are used, based on the context. In some cases, the cost of disassembly, shipping to a balancing machine, and delay, are prohibitive and the machine must be rebalanced in. Abstract line balancing is an effective tool to improve the throughput of assembly line while reducing nonvalueadded activities, cycle time. Abstract assembly line balancing is to know how tasks are to be assigned to workstations, so that the predetermined goalis achieved. Introduction textile industry is one of the worlds major industries and the garment industry is a substantial one within the supply chain of textile industry.
Repeat for following workstations until all tasks are assigned. This paper outlines the key steps to take when starting out a line balancing. In order to balance the production line grouping of work activities may become necessary. Lean line balancing for an electronics assembly line. Line balancing in a layout means arrangement of machine capacity to secure relatively uniform flow at capacity operation. Balancing of production line in a bearing industry to. It can also be said as a layout which has equal operating times at the successive operations in the process as a whole.
Textile and apparel industries are time consuming and labor oriented. The aim of this resear ch is to develop standard time and balancing the production line by using ra nked positional weight. View the article online for updates and enhancements. Assembly planners line balancing brings flexibility to line rebalancing. Linebalancing strategy is to make production lines stretchy enough to absorb external and internal indiscretion. Rezaul hasan shumon, kazi arifuzzaman and azizur rahman dept. Assign tasks to first workstation, using rules and staying within cycle time. Line balancing in a justintime production environment. Assembly systems and line balancing discrete products are assembled from components. Mixed assembly line balancing method in scenarios with.
Productivity improvement through line balancing in apparel industries md. Line balancing is a production strategy that involves balancing operator and machine time to match the production rate to the takt time. Actually, many benefits for the studied electronics assembly line were brought, which could be considered as a force to apply lean line balancing tool. Task and time details are maintained in the process library and used for line balance planning. Pdf assembly line balancing is the problem of assigning. Production line balancing for productivity improvement in apparel manufacturing supervised by submitted by. We have compared the line target after balancing the line, labor productivity and line efficiency. Finally a proposed production layout has been modeled with balanced capacity. In the manufacturing process, if proper care is taken to ensure that castings are sound and machining is concentric, then it follows that the. Labour flexibility is the key to effective resource management. Productionline balancing study tends to employ thought and ingenuity to change conditions.
A number of techniques are followed to control the overall cost like. Productionline design and operation is more art than science. Balancing mechanized or automated production lines with this method is more difficult since it is rarely possible to. Assembly line balancing to improve productivity using work sharing method in apparel industry. For example, if a conveyor speed is 4 feet per minute and units are placed at 4 feet intervals, the. The current issue of vikalpa carries a management case, production line balancing.
Dynamic balancing should not be a substitute for poor machining or other compromise manufacturing practices. Assembly line balancing problem, grouping genetic algorithm, garment industry, labor skill level 1. Linebalancing strategy is to make production lines stretchy enough to. The used of line balancing technique was proved able to increase the productivity for the small medium enterprise. The efficiency of balanced and unbalanced production lines. Line balancing means balancing the production line, or any assembly line. Takt time is the rate at which parts or products must be produced in order to meet customer demand. The goal is to achieve the desired output rate with the smallest number of workstations. The objective of this study is to balance the production line and improve performance of hero beer and life beer. International journal of mechanical and industrial technology issn 23487593 online. To deal with this present method firstly the study is emphases on line balancing technique. What is line balancing and how to achieve it tulip.
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