Wheel-Tooling Gap Measurement System for Conform Extrusion Machinery Based on a Capacitive Sensor  

Oleh:

Seneviratne, L. ; Khawaja, K. ; Althoefer, K.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Manufacturing Science and Engineering vol. 127 no. 2 (May 2005), page 394-401.
Topik: machining impact; wheel - tooling; gap measurement; conform extrusion; machining

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ93.7 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

ConformTM extrusion is a very versatile manufacturing process enabling the production of a wide range of extruded profiles. It is critical to maintain a precise predefined wheel - tooling gap for the efficient running of the Conform extrusion process and to maintain high product quality. However, this is a challenging task due to the hostile environment, high operating temperatures, and required accuracy. An accurate high-temperature gap measurement system for Conform extrusion machinery, using a capacitive sensing system, is developed in this study. The sensor is implemented in a copper Conform extrusion machine, and experimental results are presented, providing for the first time a detailed view of Conform Extrusion gap behavior during production. It is shown that the proposed gap - sensing and control system results in a number of advantages, including reduced machine setup times, reduced flash (waste) rates, and on - line monitoring and control of gap size. The research is carried out in collaboration with Holton Machinery Ltd., a leading manufacturer of Conform Extrusion machinery.

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