A Model-Based Monitoring and Fault Diagnosis Methodology for Free-Form Surface Machining Process  

Oleh:

Zhu, Rixin ; Kapoor, Shiv G. ; DeVor, Richard E.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Manufacturing Science and Engineering vol. 125 no. 3 (Aug. 2003), page 397-404.
Topik: MONITORING; model - based monitoring; fault diagnosis; free - form

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ93.4 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

In this paper, a process model - based approach has been proposed for monitoring and fault diagnosis in the multi - axis ball end milling process. Besides its ability to deal with complex cutting geometry in free - form surface machining, the method has the capability of not only detecting the presence but also estimating the magnitudes of faults, which include flute chipping, breakage and spindle / cutter axes runout. A threshold - based fault detection method is developed based on the analysis of harmonic power distribution in the cutting force signal. A genetic algorithm approach is used to search and determine the fault pattern and magnitudes. The new approach is validated through both constant cross - section cut and free - form surface machining tests on 1018 steel.

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