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US5162714A
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Numerical control device for transfer machines
Assignee: Fanuc Corp
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Filing: 1990-02-26
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Granted: 1992-11-10
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Expires: 2010-02-26
Abstract
Abstract A numerical control device adapted to control a plurality of transfer machines mounted on a transfer line. The numerical control device is composed of an NC section (13) for controlling the axes of the transfer machines and a PMC section (14) for executing sequence control. The PMC section (14) reads current position data from a current position register (16) of the NC section (13) through a window, and compares the read data with previously set zone data (19). A function instruction (18a) delivers the result of the comparison as a zone signal, and executes a modification control of an execution sequence by using the zone signal. Therefor, a high-accuracy region signal can be set.
Inventors
- 👤 Yoshiaki Ikeda
- 👤 Nobuyuki Kiya
- 👤 Shoichi Otsuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:26
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/414; G05B19/4147; G05B2219/00; G05B2219/30; G05B2219/34; G05B2219/34319; G05B2219/36; G05B2219/36507; G05B2219/45; G05B2219/45051
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
95 words
A numerical control device for controlling a plurality of transfer machines mounted on a transfer line, comprising: axis control means for controlling axes of the plurality of transfer machines; and PMC control means for executing a sequence control of the plurality of transfer machines, said PMC control means including: function instruction means for reading current position data from said axis control means, comparing the read data with previously set zone data, outputting a result of the comparison as a zone signal, and executing a modification control of an executing sequence by using the zone signal.
Claim 2
Dependent Claim
95 words
A numerical control device for controlling a plurality of transfer machines mounted on a transfer line, comprising: axis control means for controlling axes of the plurality of transfer machines; and PMC control means for executing a sequence control of the plurality of transfer machines, said PMC control means including: function instruction means for reading current position data from said axis control means, comparing the read data with previously set zone data, outputting a result of the comparison as a zone signal, and executing a modification control of an executing sequence by using the zone signal.
Claim 3
Dependent Claim
20 words
A numerical control device according to claim 1, wherein the numerical control device previously stores said zone data as parameters.
Claim 4
Dependent Claim
27 words
A numerical control device according to claim 2, further comprising a plurality of zone data so that the data can be optimally selected by numbers or symbols.
Claim 5
Independent Claim
101 words
A method for controlling a plurality of transfer machines mounted on a transfer line in a numerical control device including a programmable machine controller, said method comprising the steps of: a) controlling axes of the transfer machines and the programmable machine controller; b) executing sequence control; c) reading current position data through a window of current position register means; d) comparing read data with previously set zone data; e) outputting the comparison result as a zone signal; and f) executing modification control of an execution sequence in accordance with the zone signal for controlling the function of the programmable machine controller.
Claim 6
Independent Claim
101 words
A method for controlling a plurality of transfer machines mounted on a transfer line in a numerical control device including a programmable machine controller, said method comprising the steps of: a) controlling axes of the transfer machines and the programmable machine controller; b) executing sequence control; c) reading current position data through a window of current position register means; d) comparing read data with previously set zone data; e) outputting the comparison result as a zone signal; and f) executing modification control of an execution sequence in accordance with the zone signal for controlling the function of the programmable machine controller.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-11-10 | 1996-05-11 | 1996-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-10 | 2000-05-11 | 2000-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-10 | 2004-05-11 | 2004-11-10 | $7700.00 | Window Closed / Lapsed |