GB2040071B - Safety arrangement for numerically controlled machine tools - Google Patents
Safety arrangement for numerically controlled machine toolsInfo
- Publication number
- GB2040071B GB2040071B GB7928399A GB7928399A GB2040071B GB 2040071 B GB2040071 B GB 2040071B GB 7928399 A GB7928399 A GB 7928399A GB 7928399 A GB7928399 A GB 7928399A GB 2040071 B GB2040071 B GB 2040071B
- Authority
- GB
- United Kingdom
- Prior art keywords
- machine tools
- numerically controlled
- controlled machine
- safety arrangement
- safety
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
- G05B19/40—Open loop systems, e.g. using stepping motor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/41—Servomotor, servo controller till figures
- G05B2219/41363—Excess in error, error too large, follow up error
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/42—Servomotor, servo controller kind till VSS
- G05B2219/42268—Safety, excess in error
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Numerical Control (AREA)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1978122591U JPS6126963Y2 (US06373033-20020416-M00071.png) | 1978-09-06 | 1978-09-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2040071A GB2040071A (en) | 1980-08-20 |
GB2040071B true GB2040071B (en) | 1983-01-26 |
Family
ID=14839707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7928399A Expired GB2040071B (en) | 1978-09-06 | 1979-08-15 | Safety arrangement for numerically controlled machine tools |
Country Status (6)
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58155148A (ja) * | 1982-03-05 | 1983-09-14 | Okuma Mach Works Ltd | 工作機械における刃物台刃先の軌跡監視方法 |
US5422553A (en) * | 1984-12-04 | 1995-06-06 | United Technologies Corporation | Servo actuator diagnostic monitoring |
US5327352A (en) * | 1990-09-04 | 1994-07-05 | Tornos-Bechler Sa | Method and device for controlling one or mor axes in a machine tool |
US5521480A (en) * | 1994-09-01 | 1996-05-28 | Gerber Scientific Products, Inc. | Apparatus and method for defining a reference position of a tool |
DE19524136A1 (de) * | 1995-07-03 | 1997-01-09 | Nsm Ag | Verfahren zum Positionieren eines Schrittmotors für ein Wiedergabe- und/oder Aufzeichnungs- und/oder Ausgabegerät für Platten und ein solches Gerät hierzu |
US10578463B2 (en) * | 2016-12-19 | 2020-03-03 | Microchip Technology Incorporated | Detection of defects in motor position decoder system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1085729A (en) * | 1965-07-26 | 1967-10-04 | Ici Ltd | Process control apparatus |
DE1919079C3 (de) * | 1968-05-08 | 1975-04-24 | Fujitsu Ltd., Kawasaki, Kanagawa (Japan) | Numerische Steuervorrichtung |
US3633087A (en) * | 1970-03-16 | 1972-01-04 | Rohr Corp | Electronic tracer method and apparatus for monitoring the path of a numerically controlled machine |
JPS522074B1 (US06373033-20020416-M00071.png) * | 1971-04-22 | 1977-01-19 | ||
GB1425926A (en) * | 1972-05-26 | 1976-02-25 | Herbert Ltd A | Automatic control systems and methods |
US3792460A (en) * | 1972-10-13 | 1974-02-12 | Honeywell Inc | Shaft speed monitoring circuit |
US3896363A (en) * | 1974-03-18 | 1975-07-22 | Cincinnati Milacron Inc | Feedback circuit for detecting the failure of a stepping motor to respond to the control circuit |
US4034277A (en) * | 1975-08-13 | 1977-07-05 | The Superior Electric Company | Pulse to step error sensing circuit |
US4101817A (en) * | 1976-07-06 | 1978-07-18 | Okuma Machinery Works Ltd. | Position-correctable numerical control system |
US4203063A (en) * | 1977-08-29 | 1980-05-13 | Rca Corporation | Movement detecting apparatus and method |
-
1978
- 1978-09-06 JP JP1978122591U patent/JPS6126963Y2/ja not_active Expired
-
1979
- 1979-07-26 IT IT7949877A patent/IT1119805B/it active
- 1979-08-15 GB GB7928399A patent/GB2040071B/en not_active Expired
- 1979-08-21 US US06/068,498 patent/US4266170A/en not_active Expired - Lifetime
- 1979-08-23 FR FR7921277A patent/FR2435324A1/fr active Granted
- 1979-09-04 DE DE2935723A patent/DE2935723C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT7949877A0 (it) | 1979-07-26 |
FR2435324A1 (fr) | 1980-04-04 |
DE2935723C2 (de) | 1987-05-07 |
JPS5540459U (US06373033-20020416-M00071.png) | 1980-03-15 |
JPS6126963Y2 (US06373033-20020416-M00071.png) | 1986-08-12 |
US4266170A (en) | 1981-05-05 |
GB2040071A (en) | 1980-08-20 |
DE2935723A1 (de) | 1980-03-20 |
IT1119805B (it) | 1986-03-10 |
FR2435324B1 (US06373033-20020416-M00071.png) | 1985-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |