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International Research Journal of Engineering and Technology (IRJET)

e-ISSN: 2395-0056

Volume: 09 Issue: 06 | June 2022

p-ISSN: 2395-0072

www.irjet.net

A Review On Application Of Defect Analysis And Optimization For Quality Control In the Plywood Manufacturing Industry Amruthasree Rajan1, Sajan M P2 1PG

Student, Department of Mechanical Engineering, G E C Thrissur, Kerala, India Department of Mechanical Engineering, G E C Thrissur, Kerala, India ---------------------------------------------------------------------***--------------------------------------------------------------------Abstract - Customer expectations and needs are growing day by day causing tough competition between the industries to 2Associate Professor,

produce the best. Defected products when sent to the market will give rise to high customer dissatisfaction. This has brought out the process of Quality control to maintain the quality of the products. Defect analysis is the best possible method to identify and reduce the defects in the industry and reduce the rework cost in the industry. Several studies have illustrated the analysis of defects and cost optimization to control the quality in plywood and other industries. Researchers are still proceeding to identify better methods for defects analysis and optimization to provide quality products and optimize the cost.

Key Words: Defects analysis, rework cost optimization, quality control. 1. INTRODUCTION The world of industries is one of the fast-growing and competitive sectors which demands the best quality products and services. To withstand this competition high quality of the product should be maintained. only then the producers can satisfy the ascending needs of the customers. A proper quality control program in the firm should be structured which can ensure the product quality with minimum defects. In the industries like of plywood, there is high chances to produce the defective products due to the size and complexity. It involves the testing of units to determine if they are within the final product specifications. The main goal to implement quality control in an organization will be to enhance the product quality and reduce risks, increase production efficiencies, and gain customer loyalty. All the successful companies will have these goals gained mainly because of their robust and functional quality control programs adopted. To achieve quality the company should provide quality products to the market and eliminate any defects. this can be achieved by defect analysis and optimization techniques in a company. Defects when are identified and analyzed congruously then they can be corrected easily so that the company can deliver quality products to the customers and gain better customer satisfaction and more market demand. There are many successful steps taken by the large plywood producers for defectoscopy in plywood to reduce the cost spent after the delivery of product which has given them better profits andmarket.

2. A REVIEW OF THE APPLICATION OF DEFECT ANALYSIS AND OPTIMIZATION FOR QUALITY CONTROL IN THE MANUFACTURING INDUSTRY Ei Mu Hlaing et.al, [2021] is an analysis of product quality problems in plywood production which aims at the root cause analysis of quality problems in the plywood manufacturing process and identifies the solutions to tacklethem. For the study, the researchers have collected the data from the plywood factory analyzing the manufacturing processes and defect data. Uneven thickness and high moisture content were the two main problems identified by the researcher. These results were confirmed using Statistical Process Control (SPC) tools like pareto chart and check sheet. Solutions were also proposed by the researcher to reduce the defects and improve the quality of the plywood sheets. Avinash Juriani [2015] this study is an industrial case study to analyze casting defects in foundry and their remedial measures. The casting of a product should be properly done to eliminate the casting defects in the plant. Most of the casting defects were identified in the paper, from which the critical casting defects are found using the lean six sigma tool, and root causes analysis. From the defects analysis technically feasible remedies were given to reduce the casting defects and improve the quality of the casting. These remedies can be used as control measures for quality control with the concept of zero defects. S. Krishna Priya et.al, [2019] is a case study on the implementation of lean six sigma to reduce non-value-added processes in the assembly line in an automotive assembly plant. A detailed defect analysis was done in the particular automotive assembly plant by examining and measuring all the processes happening in the plant. In the particular automotive assembly division chosen by the researchers, three non-value added activities and 12 crucial defects were identified. They used the lean six sigma strategies like Define Measure Analyze Improve Control (DMAIC) & Root Cause Analysis (RCA)

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