scholarly journals Productivity Improvement of Assembly Line of Cotton Ginning Machines

Problem-solving and ongoing procedure enhancements are key elements to obtaining quality improvement in business operations. Many process and machine improvement strategies have been suggested and implemented in organizations, where define, measure, analysis, improve and control is mostly applied. Here we aimed at improving the machine productivity of assembly line in a cotton ginning assembly line in an Industry. The tool which is used to improve the productivity of assembly line are time study and method study. Based on this, the study provides data of time required for each assembly processes, sequence of each operations and flow of the product in assembly line. The present study has been done at an industry, a leading manufacturer of cotton ginning machine. The aim of the study is to identify the various problems on the assembly line which causes unnecessary delay in the operations. The problem is found in the assembly line and is solved by work study techniques and it is found that cycle time of bottle neck operation was reduced by 40.08 % per trolley.

The productivity of any organization can be increased by optimizing the work process. Low productivity of workers is one of the reason behind the delay in delivery in manufacturing sector we know that in manufacturing sector labor is prominent thing. Improving the productivity means to make the best possible use of available resources and achieve maximum output. This paper focuses on the productivity of machine as well as labor by using fixtures, updated systematic layout and use of material handling equipment. This paper also covers the, what is productivity, which factors are affecting on productivity and efficiency. Maximum efficiency or productivity is trademark of any successful organization The objective of this paper is to identify the problem in medium scale industry due to time and effort required for any operations is high To tackle and understand a detailed analysis regarding processes using time study and work study. Due to implementation of all the measures the productivity of an organization is increases resulting in reduced effort and time required for operation and all operations done optimally.


2015 ◽  
Vol 799-800 ◽  
pp. 1398-1402 ◽  
Author(s):  
Jongrak Niamsawan ◽  
Suksan Prombanpong

This research objective is to improve the productivity of cookware assembly line by means of time and distance reductions. The motion study and line balancing techniques were applied to the entire assembly operations. A bottle neck was identified to where the operation with inadequate machine layout and workplace organization, including the unbalanced workloads. The new workplace layout and new working method for operators were designed and implemented as well as balancing the assembly line. Specifically, the conveyor speed and duration between the consecutive workpieces in the production line were adjusted to 0.10 m/s and 50 cm, respectively. The number of operators needed in the process can be reduced from 14 persons to 11 persons. The cycle time for assembling process is decreased from 12 to 5 second.


2019 ◽  
Vol 9 (2) ◽  
pp. 4044-4047 ◽  
Author(s):  
I. A. Memon ◽  
Q. B. Jamali ◽  
A. S. Jamali ◽  
M. K. Abbasi ◽  
N. A. Jamali ◽  
...  

The goal of zero defects is pursued by many manufacturing and service companies. In this regard, statistical tools are being used for defect reduction leading to productivity improvement. In this work, seven traditional QC tools (flow chart, check sheet, histogram, Pareto chart, cause, and effect diagram, scatter diagram and control chart) have been developed and implemented in an automobile company to assess and improve the defect reduction level in the assembly line. Chassis and trim lined were selected for data collection to assess and improve the defect level for productivity improvement. It was found from the results that after the successful implementation of the QC tools, the defect level reduced by 90% (from 132 to 13 defects) at the chassis line. Similarly, the defect level was reduced by 80% (from 157 to 28 defects) at the trim line. The automobile company implemented only a few of the seven QC tools in their assembly line. It is suggested that the company may need to manage a mechanism for the implementation of all seven QC tools in every section of the company.


2020 ◽  
Vol 32 (5) ◽  
pp. 645-659
Author(s):  
Eung Tae Kim ◽  
Sungmin Kim

PurposeThe purpose of this study is to develop a modular garment assembly line simulator that can be used for various production methods such as traditional mass production or modern small quantity batch production.Design/methodology/approachFor realistic simulation, the actual shape and sewing information of the garment patterns were used. The assembly line consists of process units including the cutter, preprocessor, module assembly, final assembly, finish, and stack units. Any number of units can be arranged and connected to form various layouts. The simulation can be run at an arbitrary speed.FindingsThis system can be used to estimate the time required to process the given order for a specific layout. Therefore, it can be utilized as the basis for optimum production line design.Originality/valueThis system is expected to be utilized by garment manufacturers for obtaining the productivity improvement, production cost reduction, and increased competitiveness.


2012 ◽  
Vol 452-453 ◽  
pp. 206-210 ◽  
Author(s):  
Wen Li Li ◽  
Chun Lei Song ◽  
Li Sha Han

This paper applies the methods of Work Study to a certain hydraulic component company. We apply the work measurement method to measure the work time of various stations of assembly lines, and to find out both the bottle neck stations and the superfluous capability stations effecting on the line assembly capability. Basing on the principle of ECRS (Eliminate, Combine, Rearrange, Simple) and the line balancing theory, this paper provides the line balancing schema, including the improvement of the existing equipment, the reallocation of the work content for relative stations, the adjustment of the equipment and workers of some stations, the reduction of machine working time of some stations and the change of assembly line layout etc. After being improved, the work time of the bottle neck and other processes are controlled near the Taking Time. Comparing with the former assembly line, the production capability of assembly line improved up 45.6% and workshop condition is also improved.


2017 ◽  
Vol 865 ◽  
pp. 88-93
Author(s):  
Weerawit Ngamkala ◽  
Suksan Prombanpong

The purpose of this paper is to improve line productivity using line balancing technique and a reduction of work variation using an automated part feeder. This is due to the fact that the conventional assembly line manually feeds a part on to the production line by a worker. The feeding cycle is not constant and varies from time to time. Thus, the production rate is not constant and varied by the worker feeding speed. In addition, the assembly line itself does not fully balance. The operation time of each station is not well designed; as a result, all of the stations but the bottle-neck one experience an idle time. The balance efficiency is only at 40.33 percent which means that 59.67 percent of the total production time is balanced delay. Once the automated feeding machine which a buffer is designed and implemented. The cycle time can be set at 6 sec. and with the line balance technique the operator can be reduced from 11 to 9 persons. As a result, the productivity is substantially increasing around 138 percent and the new balance efficiency is 85.12 percent.


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