• T. Kumar Raju
• Dr.k.Hemachandra Reddy
• P.Narasimha siva teja
• Dr.k.subba reddy

Abstract: In present era, day by day new engineering materials are forth coming but among all, the composites, especially epoxy polymer composites have important advantages because of its mechanical properties such as high wear resistance, electrical resistance, high strength to weight ratio, corrosion resistance, and etc. It can replace the traditional materials for manufacturing different components with required properties. Jute or coconut coir hybrid natural fiber reinforced polymer composite materials especially for the major application of automobile industry, aerospace industry, electronic industry and etc. Drilling is one of the machining process most widely applied to composite materials but drilling of these composite materials irrespective of the application area can be considered a critical operation, owing to their tendency to delaminate when subjected to mechanical stresses. The objective of the present work is to optimize process parameters namely cuffing speed, feed and point angle in drilling of hybrid jute/coir natural fiber reinforcement polymer composites. In this work, experiments are conducted by the experimental design of taguchi and an orthogonal array used to optimize the process parameters on whole quality. Analysis of variance (ANOVA) test was conducted to determine the significance of each parameters on drilling. This work is useful in selecting optimum values of various process parameters. that not only minimize the trust force and torque and also reduces the delamination and improve the quality of drilled hole.

Key words: coir and jute hybrid natural fiber reinforcement polymer composite, drilling parameters, taguchi method, optimization, SEM

"OPTIMIZATION OF PROCESS PARAMETERS IN DRILLING OF JUTE/COIR HYBRID NATURAL FIBER REINFORCEMENT POLYMER COMPOSITE USING TAGUCHI METHOD", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.694-704, June 2019, Available :http://www.jetir.org/papers/JETIR1906H77.pdf

"OPTIMIZATION OF PROCESS PARAMETERS IN DRILLING OF JUTE/COIR HYBRID NATURAL FIBER REINFORCEMENT POLYMER COMPOSITE USING TAGUCHI METHOD", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp694-704, June 2019, Available at : http://www.jetir.org/papers/JETIR1906H77.pdf