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Design of composite fixture for machining ceramic materials using abrasive water jet machining (AWJM)
, T. Ramesh, M. Thirumalai Kumar, A. Aslam Khan
Published in Asian Research Publishing Network
2014
Volume: 9
   
Issue: 4
Pages: 388 - 394
Abstract
The conventional machining of ceramic components is a hard task because of its brittle nature. Water jet machining is one among the non-conventional machining processes which is suitable for machining of ceramics. In this work, a fixture is developed to cut ceramics rods each of diameter varying from 9 to 7 mm and 30 mm length into two pieces. The fixture was developed to reduce the machining time, to hold the ceramic rods safely after machining and to eliminate the abrasion on the machine work table while cutting rods. The proposed design has to adhere less fabrication cost without compromising the strength of the fixture. Since the clamping device requires numerous machining operations for holding 22 pieces of varying diameter, it was proposed to select wooden material as the clamping device. Mild steel rod was selected to support the clamping device. Finite element simulation was carried out to simulate the force acting on the fixture during machining. Further, the ceramic rods were machined in the water jet machine using the fabricated fixture. The machining cost is reduced to approximately Rs 1000 per hour. © 2006-2014 Asian Research Publishing Network (ARPN).
About the journal
JournalARPN Journal of Engineering and Applied Sciences
PublisherAsian Research Publishing Network
ISSN18196608