Research of an Open CNC System for MRF Machine Tool Based on UMAC

Ming Jun Chen; Zhan Yue Guo; He Nan Liu; Bo Yu; Hui Peng; Zhen Fang

doi:10.4028/www.scientific.net/KEM.589-590.648

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Analysis of the Factors Affecting Stability of Hard Cutting System
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Research of an Open CNC System for MRF Machine Tool Based on UMAC
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 589-590Research of an Open CNC System for MRF Machine...

Research of an Open CNC System for MRF Machine Tool Based on UMAC

Abstract:

In order to use magnetorheological finishing (MRF) to accomplish ultra-precision machining of complex curve surfaces, an open computer numerical control (CNC) system based on universal motion and automation controller (UMAC) has been developed. The paper introduces the hardware structure of the system, elucidates the control algorithm and parameters tuning of PID + velocity/acceleration feed-forward + notch filter, and explains the design of a friendly human-machine interface (HMI) to satisfy the need of actual manufacturing and complicated numerical control. With the open CNC system, a 4mm-diameter circle is polished on the MRF experimental prototype with the contour error of 1.67% and the surface roughness Ra of 1.4nm. Experimental results prove that the open CNC system for the MRF machine tool meets the requirements of ultra-precision machining.

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Key Engineering Materials (Volumes 589-590)

Pages:

648-653

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.589-590.648

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Online since:

October 2013

Authors:

Ming Jun Chen, Zhan Yue Guo, He Nan Liu, Bo Yu, Hui Peng, Zhen Fang

Keywords:

CNC System, Human Machine Interface, Magnetorheologicalfinishing, PID, UMAC

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