GB1398380A - Control method and device - Google Patents

Control method and device

Info

Publication number
GB1398380A
GB1398380A GB1913571A GB1913571A GB1398380A GB 1398380 A GB1398380 A GB 1398380A GB 1913571 A GB1913571 A GB 1913571A GB 1913571 A GB1913571 A GB 1913571A GB 1398380 A GB1398380 A GB 1398380A
Authority
GB
United Kingdom
Prior art keywords
belt
june
knife
operated
measured
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
GB1913571A
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.)
Dunlop Ltd
Original Assignee
Dunlop Ltd
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 Dunlop Ltd filed Critical Dunlop Ltd
Priority to GB1913571A priority Critical patent/GB1398380A/en
Priority to JP5593172A priority patent/JPS4835274A/ja
Publication of GB1398380A publication Critical patent/GB1398380A/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
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D36/00—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut
    • B23D36/0008—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut for machines with only one cutting, sawing, or shearing devices
    • B23D36/0033—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut for machines with only one cutting, sawing, or shearing devices for obtaining pieces of a predetermined length
    • B23D36/0058—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut for machines with only one cutting, sawing, or shearing devices for obtaining pieces of a predetermined length the tool stopping for a considerable time after each cutting operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Feedback Control In General (AREA)
  • Control Of Conveyors (AREA)

Abstract

1398380 Automatic control of cut DUNLOP Ltd 1 June 1972 [5 June 1971] 19135/71 Heading G3N In apparatus for cutting predetermined lengths of continuous material carried by a conveyer belt, by a knife which is intermittently clamped to the belt, the variations in slippage time to effect the clamping operation at different belt speeds are compensated for by an inversely varying delay derived from measurement of the belt speed. Predetermined lengths of material are measured by a pulse generator driven by the belt. After a pre-set count, a relay is operated to switch on a ramp generator producing an output voltage whose slope is proportional to belt speed, as measured by a tachogenerator. When the rising voltage reaches a pre-set, adjustable level, a trigger network is operated to energize the means for clamping the knife to the belt.
GB1913571A 1971-06-05 1971-06-05 Control method and device Expired GB1398380A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1913571A GB1398380A (en) 1971-06-05 1971-06-05 Control method and device
JP5593172A JPS4835274A (en) 1971-06-05 1972-06-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1913571A GB1398380A (en) 1971-06-05 1971-06-05 Control method and device

Publications (1)

Publication Number Publication Date
GB1398380A true GB1398380A (en) 1975-06-18

Family

ID=10124329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1913571A Expired GB1398380A (en) 1971-06-05 1971-06-05 Control method and device

Country Status (2)

Country Link
JP (1) JPS4835274A (en)
GB (1) GB1398380A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2175417A (en) * 1985-05-20 1986-11-26 Mitsubishi Electric Corp Method for controlling intermittent operations of processing apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2175417A (en) * 1985-05-20 1986-11-26 Mitsubishi Electric Corp Method for controlling intermittent operations of processing apparatus
US4728874A (en) * 1985-05-20 1988-03-01 Mitsubishi Denki Kabushiki Kaisha Method for controlling intermittent operations of processing apparatus
AU578362B2 (en) * 1985-05-20 1988-10-20 Mitsubishi Denki Kabushiki Kaisha Controlling intermittent operation of processing apparatus
GB2175417B (en) * 1985-05-20 1989-08-16 Mitsubishi Electric Corp Method for controlling intermittent operations of processing apparatus

Also Published As

Publication number Publication date
JPS4835274A (en) 1973-05-24

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees