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Numerical Control System Development for Rotary Precision Synthetic Carbon Film Potentiometer Linearity Trimming Machine

Author: CuiLiJuan
Tutor: LiJia
School: Tianjin University
Course: Mechanical Manufacturing and Automation
Keywords: Rotary Carbon Film Potentiometer Linear repair engraved CNC system Linear regression
CLC: TG659
Type: Master's thesis
Year: 2007
Downloads: 53
Quote: 0
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Abstract


Improve the synthesis of rotary carbon potentiometer linear accuracy of a method is the use of state-of-the-art equipment , to take the body repair engraved resistance to improve the output characteristics of the potentiometer . At home and abroad to study potential repair lithography based on self-developed synthetic carbon potentiometer linear repair engraved rotary machine CNC system , including the following work : through the analysis of the working principle and output characteristics of synthetic carbon potentiometer and combined with the development trend of CNC system and synthetic carbon potentiometer repair carved processes and functional requirements analysis of engraved repair machine is designed based on the IPC rotary synthetic carbon potentiometer linear repair engraved machine open CNC system overall program . According to the overall scheme of the system , by major hardware repair engraved accuracy , completed the selection of the system hardware , and through the various hardware performance analysis and system functional requirements analysis , complete set of hardware and connectivity . The system uses the position control mode , by adjusting the servo stiffness , and optimize the various parameters , enabling the system to run stable , accurate and fast positioning ; On this basis, the basic functions of the engraving machine repair design and development , including the machine coordinate system the establishment of zeroing, limit function , manual pulse input function and an emergency stop function . Based on a modular design concept , the design of the system software architecture ; article to verify the data acquisition module , and the use of shielding , which reduces the direct-drive servo motor so that the interference caused by the capture card , on this basis , according to the structural characteristics of the synthetic carbon potentiometer and repair engraved process , combined with the large number of experiments , to design zero search module and repair engraved module ; and linear regression theory is applied to the detection process , used to improve the potential of linear accuracy .

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metal cutting and machine tools > Program control machine tools, CNC machine tools and machining
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