GB1219303A - Numerical control system - Google Patents

Numerical control system

Info

Publication number
GB1219303A
GB1219303A GB03014/68A GB1301468A GB1219303A GB 1219303 A GB1219303 A GB 1219303A GB 03014/68 A GB03014/68 A GB 03014/68A GB 1301468 A GB1301468 A GB 1301468A GB 1219303 A GB1219303 A GB 1219303A
Authority
GB
United Kingdom
Prior art keywords
pulse
feedrate
generator
control
output
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
Application number
GB03014/68A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pratt and Whitney Co Inc
Original Assignee
Pratt and Whitney Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pratt and Whitney Co Inc filed Critical Pratt and Whitney Co Inc
Publication of GB1219303A publication Critical patent/GB1219303A/en
Expired legal-status Critical Current

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—Program-control systems
    • G05B19/02—Program-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 program 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 program 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
    • G05B19/21—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 program 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 using an incremental digital measuring device
    • G05B19/25—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 program 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 using an incremental digital measuring device for continuous-path control
    • G05B19/251—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 program 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 using an incremental digital measuring device for continuous-path control the positional error is used to control continuously the servomotor according to its magnitude
    • 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—Program-control systems
    • G05B19/02—Program-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 program 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 program 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
    • G05B19/21—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 program 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 using an incremental digital measuring device
    • G05B19/25—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 program 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 using an incremental digital measuring device for continuous-path control
    • G05B19/251—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 program 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 using an incremental digital measuring device for continuous-path control the positional error is used to control continuously the servomotor according to its magnitude
    • G05B19/253—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 program 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 using an incremental digital measuring device for continuous-path control the positional error is used to control continuously the servomotor according to its magnitude with speed feedback only
    • 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
    • G05B2219/43—Speed, acceleration, deceleration control ADC
    • G05B2219/43157—Feed rate
    • 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
    • G05B2219/43—Speed, acceleration, deceleration control ADC
    • G05B2219/43179—Speed changes gradualy from constant value to zero

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)
GB03014/68A 1967-04-17 1968-03-18 Numerical control system Expired GB1219303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63127567A 1967-04-17 1967-04-17

Publications (1)

Publication Number Publication Date
GB1219303A true GB1219303A (en) 1971-01-13

Family

ID=24530508

Family Applications (1)

Application Number Title Priority Date Filing Date
GB03014/68A Expired GB1219303A (en) 1967-04-17 1968-03-18 Numerical control system

Country Status (5)

Country Link
US (1) US3539896A (https=)
DE (1) DE1763179A1 (https=)
ES (1) ES352367A1 (https=)
FR (1) FR1563308A (https=)
GB (1) GB1219303A (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622855A (en) * 1970-08-03 1971-11-23 Collins Radio Co Digital control device
US3805169A (en) * 1972-03-20 1974-04-16 Mitsubishi Heavy Ind Ltd Circuit for confirming positioning operation
US3793511A (en) * 1972-07-03 1974-02-19 Itek Corp Digital motor control circuit
US3882487A (en) * 1973-11-29 1975-05-06 Jack Rosenberg All digital sampling servo system
US4456863A (en) * 1980-12-23 1984-06-26 Cleveland Machine Controls, Inc. Apparatus for automatic calibration of servo response

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344260A (en) * 1967-09-26 Lukens ii
US2927735A (en) * 1956-09-19 1960-03-08 Gen Dynamics Corp Frequency-control system
US3109974A (en) * 1961-06-19 1963-11-05 Thompson Ramo Wooldridge Inc Machine tool control system having feedrate control
US3286085A (en) * 1963-01-23 1966-11-15 Twr Inc Machine tool feedrate control system
US3349229A (en) * 1963-07-08 1967-10-24 Gen Electric Apparatus to permit both contouring and numerical positioning operations with a common control system
US3418547A (en) * 1965-03-22 1968-12-24 Gen Signal Corp Step-servocontroller
US3435314A (en) * 1966-12-22 1969-03-25 Ibm Electronic high speed device incrementing control circuitry

Also Published As

Publication number Publication date
US3539896A (en) 1970-11-10
FR1563308A (https=) 1969-04-11
ES352367A1 (es) 1969-12-16
DE1763179A1 (de) 1971-04-15

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