AnEMPIRICAAAL DESIGN OF FRICTION STIR WELDING USING NYLON 6

Abstract

Friction Stir Welding (FSW) is a method of connecting thermoplastic materials to a solid state. During this investigation an attempt was made to connect the 6 mm thick nylon plate with a cylindrical shoulder using a probe or pin as a tool. Nylon 6 used as the base material in the friction stir welding process and the use of nylon 6 as the base materials was a new discovery. During the FSW process with different speed, feed rate, primary heat source effect and secondary heat source effect were investigated for parent material joining. The primary heat source is the heat produced by friction between the surface of the tool shoulder and the surface of the workpiece. Secondary source of heat is the pin surface of the device and the surface of the work piece is performed. From this investigation it is found that the joint is manufactured by providing a gap between the tool shoulder and top of the plate absent from the primary heat source.