Mechanistic Model for Spade Drills for Wood Drilling Operations, Part 1 : Model Development  

Oleh:

Zhao, Hanxin ; Ehmann, Kornel F.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Manufacturing Science and Engineering vol. 125 no. 2 (May 2003), page 226-235.
Topik: WOOD; mechanistic model; spade drills; wood drilling

Ketersediaan

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

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Isi artikel

The purpose of this work is to present an investigation of the force system generated during spade drill - bit drilling processes that is a prerequisite for the design of spade - drills with improved performance. The technical literature offers no references to this type of bit and process ; hence an approach based on the well - established mechanistic force prediction methods will be used. The force and torque prediction models are based on a complete analytical model of a generalized spade bit that takes into account the cutting action of all the characteristic cutting edges of the spade bit, namely of its chisel edge, tip and major cutting edges. In conjunction with the model an efficient model calibration method is also introduced and experimentally verified.

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