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Research on Multi-axis Embeded CNC Technology Based on MECHATROLINK Fiedbus

Author: QingChaoTing
Tutor: GaoWeiQiang；ShenLie
School: Guangdong University of Technology
Course: Mechanical Manufacturing and Automation
Keywords: Fieldbus MECHATROLINK Embedded NC system DSP Servo drive
CLC: TG659
Type: Master's thesis
Year: 2011
Downloads: 74
Quote: 2
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Abstract


CNC technology as a key core technology of advanced manufacturing technology development is moving in the direction of multi-axis , high-speed , high-precision . The traditional pulse or analog interface servo drive will not only fail to meet the communication requirements of high speed and high precision CNC system , and has become a major bottleneck in the development of high-end CNC system . Therefore , there is an urgent need to develop CNC digital communication interface between the control unit and servo device . In addition, with the development of the semiconductor industry and multi-axis CNC machine tools , CNC technology solved the multi-axis synchronized control problems . Fieldbus technology to become the CNC digital communication interface developed good many technical advantages of its simple structure, easy maintenance , high reliability and easy to implement multi- channel synchronized control . The purpose of this research is the use of the high-speed digital communication interface between MECHATROLINK fieldbus technology developed embedded numerical control system with servo drive to meet the requirements of high-speed and high-precision control of the CNC system to ensure real-time and reliability of data transmission to achieve multi-axis synchronized control. Papers in -depth analysis of MECHATROLINK bus protocol and its ASIC JL-098 architecture based on the combination of high-performance floating-point DSP (TMS320C6713), designed the MECHATROLINK bus interface module . This paper designs of MECHATROLINK the initialization process with the application , including the setting of the site address . Communication parameters calculated selection , defined and addressed , the JL-098 RAM and I / F register address data transfer mode , cycle instruction execution sequence data with non-periodic data transfer mechanism as well as the application . Finally build a the MECHATROLINK master interface test platform and tested , the test results show that the interface module is able to complete the design of this project MECHATROLINK communication , and modified after commissioning , and ultimately successful application of numerical control system in SDS9-6CNCH2 .

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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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