Computorized control of spot welding machine using dimentional grafic axis

COMPUTOR ZED CONTROL OF SPOT WELD NG MACH NEUS NG TWO DIMENTIONAL GRAFIC AXIS(M.Sc. Thesis)Mustafa YILMAZGAZ UNIVERSITYINSTITUTE OF SCIENCE AND TECHNOLOGYDecember 2005ABSTRACTIn industrial sector, where metal process is common, spot-welding machines areused frequently in every phase of production. In production, errors which willbe put into automation can be removed easily with the computer and the micro-controller system. In this thesis, position control of the spot-welding machinemoving on two axis has been conducted with the computer and the micro-controller. The point which will be welded can be visually determined throughcomputer screen with the help of a graphic containing two dimensious plane.Two step motors have been used to move on two axis. Control of motors hasbeen undertaken with PIC16f877. Communication between parallel port of thecomputer and PIC16F877 has been acomplished through Compability mode ofthe IEEE-1284 protocol.Science Code : 704.1.033Key words : Visual Basic, Micro-controller, Parallel Port, CommunicationPage Number : 113Advisor : Assist. Prof. Dr. M. Emin GÜVEN