High-precision machining by measuring and compensating the error motion of spindle's axis of rotation in radial direction

Sarhan, Ahmed AD and Matsubara, Atsushi (2013) High-precision machining by measuring and compensating the error motion of spindle's axis of rotation in radial direction. Springer, pp. 347-359.

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Abstract

This paper deals with cutting force monitoring for high-precision machining. The authors have employed displacement sensors to monitor the cutting forces, as they are cheap and small enough to be built in the spindle structure. A monitoring method, which utilizes sensitive displacement sensors, is discussed. The sensors are installed in XY directions near the front bearings of the spindle to detect the small displacements of a spindle caused by cutting forces. Monitoring tests are carried out under end-milling operations and the cutting forces are estimated from the displacement signals by the simple signal processing technique. However, as the displacement sensor measures the variation of the gap size between the sensor head and the target surface, it also records displacements due to error motion of a spindle's axis of rotation in radial direction and roundness errors of the target surface. By comparing the cutting force estimated from displacement sensors with the cutting force measured by using a dynamometer, the machine tool spindle error motions are investigated, and its compensation scheme is proposed. The test results show that the monitoring system is reliable for the adaptive control of machining accuracy for end-milling process.

Item Type: Book
Additional Information: CONTROL NUMBER : UM/I/JFU/001/
Uncontrolled Keywords: Cutting Force Monitoring Test End Milling Process
Subjects: T Technology > TS Manufactures
Divisions: Faculty of Engineering
Depositing User: Mr. Mohammed Salim Abd Rahman
Date Deposited: 12 Jul 2013 03:32
Last Modified: 21 Jul 2014 04:52
URI: http://eprints.um.edu.my/id/eprint/7247

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