| Summary: | 碩士 === 國立勤益科技大學 === 研發科技與資訊管理研究所 === 101 === With the industry development, the process manufacturers stress the importance of the production quality and save the cycle time. For auto equipment supplier, the fast response with high precision is their major point and quality due to the life of product become short and product process is changing rapidly. It is necessary to know the accuracy and stability of equipment firstly then to offer some suggestions for designing and developing the equipment.
To have better accurate positioning, the design of located position system is more difficult. To enhance the position accuracy is not easy, it needs to consider the machine’s structure and combine with the actuator, sensor and controlling system to reach required accuracy. For auto equipment of the optoelectronics and semiconductor industries, XXY transfer table was used frequently to achieve the high precise positioning.
This study is to analyze the stability of XXY positioning table’s accuracy, and adopts to six sigma DMAIC to improve and study this analysis. We keep the servo parameter is the same to check the positioning table’s accuracy then to use the CCD resonance imaging to control a XXY positioning table and transfer the table to achieve the required position. We also use the TRIZ to find out the key factor to affect the stability of XXY positioning table’s accuracy. Then use the Respond Surface Method with statistical control for manufacturing process to get the optimization parameter. The result of research show Cpk value is 1.40 from 0.34; the stability of positioning table’s accuracy has obvious improvement. This result is able to help manufacturers to improve the equipment manufacturing schedule and reduce the labor cost to adjusting machine.
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