Geometric Simulation of Ball-End Milling Operations  

Oleh:

Elbestawi, M. A. ; Imani, B. M.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Manufacturing Science and Engineering vol. 123 no. 2 (May 2001), page 177-184.
Topik: geometric data; geometric simulation; ball - end milling; operations

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ93.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

In this paper, B - rep solid modeling techniques are used to deal with geometric modeling issues encountered in ball - end milling simulation. The precise B - rep model of the cutter swept volume is developed using advanced sweeping / skinning techniques. Semi - finishing operations are simulated by performing consecutive Boolean operations between the updated part and swept volume. The instantaneous chip geometry is accurately and reliably extracted from the B - rep model of the updated part. Also, the material removal in ball - end milling is precisely simulated for finishing operations, in order to construct the feed - mark and scallop geometries. The validity of the final model is confirmed by comparing the predicted feed - mark profile with experimental measurements. The system developed can be used to verify and optimize NC codes, thus contributing to improving reliability, accuracy, and productivity in CNC machining.

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