Investigation On Designed Jig Fop Nozzle Positioning Of Automated Coolant Supply System

Mohamed Talmizi, Siti Nursyafiqah Mohamed Talmizi. (2020) Investigation On Designed Jig Fop Nozzle Positioning Of Automated Coolant Supply System. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The increasing heat due to friction causes the cutter becomes blunt and poor surface finish on the workpiece. Therefore, coolant system is introduced to remove excess heat at the workpiece, decrease tool wear and improved surface. Nevertheless, the coolant causes pollution to the environment and causes health problems to the workers. An automatic coolant supply system has been developed to reduce the pollution and health problem by using the automatic coolant supply system. In order to obtain an optimum performance, the system needs to be tested in term of nozzle positioning. A jig is designed as the previous research is used without any application of jig; therefore the nozzle positioning is only estimated and not accurately obtained. That is why the coolant system needs to be improved by developing a jig to accurately hold the nozzle. The jig is first designed and then analyzed through simulation to test on the stress and strain of the designed jig. A jig is design using SolidWork design software. The dimension and specifications of the designed jig is inspired from previous study. The design of the jig is considering the positioning angle for every 15°, adjustable spraying distance as well as inclination angle of the spraying in order to identify the best angle for the nozzle positioning, as well as inclination angle and the nozzle distance from the workpiece. To justify the project, 3 different forces designed to be acted on different locations on the designed jig to test the maximum stress and strain that the designed jig can withstand. Then, all 3 forces are acted simultaneously on the designed jig. The result from the simulation shows that the designed jig can withstand the load acted on it without facing deformation. Therefore, the designed jig can be developed and used during machining workpiece using the previously developed automatic coolant supply system

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