Kinematic Characterization of Chip Lateral-Curl - The Third Pattern of Chip Curl in Machining  

Oleh:

Ning, Fang

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Manufacturing Science and Engineering vol. 124 no. 3 (Aug. 2002), page 667-675.
Topik: kinematic; kinematic characterization; chip lateral - curl; third pattern; machining

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ93.3 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

Two patterns of chip curl, namely up - and side - curl, have been widely recognized in machining operations. This paper presents the third pattern of chip curl that is called lateral - curl. The rotating axis of chip lateral - curl is perpendicular to the rotating axes of up - and side - curl. The essential differences are illustrated between the chip lateral - curl concept and the "chip - twisting" concept presented in other related studies. Based on an analytical vector analysis, a new kinematic characterization is presented for the natural (or born) lateral - curl of the chip that is associated with flat-faced tool machining. It is demonstrated that chip forms (or shapes) can be determined by four governing variables : the chip up -, lateral -, and side - curl radii and the chip side - flow angle. A method to indirectly measure the chip lateral - curl radius is presented. The effect of chip lateral - curl on chip forms is investigated through cutting tests, theoretical analysis, and computer simulations.

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