APPARATUS AND METHOD FOR MACHINING SIMULATION FOR NC MACHINING

Title:

APPARATUS AND METHOD FOR MACHINING SIMULATION FOR NC MACHINING

Document Type and Number:

WIPO Patent Application WO/2002/003155

Kind Code:

A1

Abstract:

A machining simulation using graphic data is conducted prior to the machining, the frequencies of forced vibration and/or load variation due to intermittent cutting are simulated according to machining information by machining simulation means (17), and a numerical control command is produced with reference to the frequencies obtained by the simulation by a numerical control command producing means (18). The simulation can be reflected on the actual machining and the creation of a machining program under the condition that the spindle rotational speed is suited to the actual machining. Hence the frequencies of forced vibration and/or load variation due to intermittent cutting and their harmonic frequencies are not approximate to the natural frequencies of the machine, tool, jig, and work, and chattering due to resonance is prevented. Therefore the surface precision can be improved.

Inventors:

YAMAZAKI KAZUO (US)
FUJISHIMA MAKOTO (JP)
FUKAYA YASUSHI (JP)

Application Number:

PCT/JP2000/004393

Publication Date:

January 10, 2002

Filing Date:

June 30, 2000

Export Citation:

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Assignee:

MORI SEIKI SEISAKUSHO KK (JP)
OKUMA MACHINERY WORKS LTD (JP)
YAMAZAKI KAZUO (US)
FUJISHIMA MAKOTO (JP)
FUKAYA YASUSHI (JP)

International Classes:

G05B19/4069; G06F19/00; G06Q50/00; G06Q50/04; (IPC1-7): G05B19/4068; B23Q15/12

Foreign References:

JPH07195255A	1995-08-01
JP2000084794A	2000-03-28
JPH04205210A	1992-07-27
JPS63273910A	1988-11-11

Other References: