Title:
METHOD AND DEVICE FOR NUMERICAL CONTROL
Document Type and Number:
WIPO Patent Application WO/2003/060616
Kind Code:
A1
Abstract:
A numerical control device, comprising a position judgment means (16) for judging a positional relation between a master shaft and a slave shaft as to whether the master shaft advances or not from the slave shaft and an origin return control means (14) for returning the master shaft and the slave shaft to an origin by a single dog based on the results of the judgment by the position judgment means, wherein two movable shafts are disposed parallel with each other, one of the shafts is formed as the master shaft and the other is formed as the slave shaft to control a machine driven in the same direction by separate servo−motors (6, 10), and the master shaft and the slave shaft are returned to the origin by a dog system, whereby the master shaft and the slave shaft can be returned to the origin by the single dog surely at parallel positions.
Inventors:
MIZUKAMI YUUJI (JP)
Application Number:
PCT/JP2002/000276
Publication Date:
July 24, 2003
Filing Date:
January 17, 2002
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
MIZUKAMI YUUJI (JP)
MIZUKAMI YUUJI (JP)
International Classes:
G05B19/18; G05B19/19; G05D3/10; (IPC1-7): G05B19/18; G05D3/10
Foreign References:
| JPH04130501A | 1992-05-01 | |||
| JPH0822313A | 1996-01-23 |
Attorney, Agent or Firm:
Miyata, Kaneo (Marunouchi 2-Chome Chiyoda-ku, Tokyo, JP)
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