SE7804282L - DEVICE FOR PRESSES - Google Patents

DEVICE FOR PRESSES

Info

Publication number
SE7804282L
SE7804282L SE7804282A SE7804282A SE7804282L SE 7804282 L SE7804282 L SE 7804282L SE 7804282 A SE7804282 A SE 7804282A SE 7804282 A SE7804282 A SE 7804282A SE 7804282 L SE7804282 L SE 7804282L
Authority
SE
Sweden
Prior art keywords
movement
press
values
pressure
pressing operation
Prior art date
Application number
SE7804282A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE415638B (en
Inventor
U E Oberg
H G Folkesson
Original Assignee
Saab Scania Ab
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 Saab Scania Ab filed Critical Saab Scania Ab
Priority to SE7804282A priority Critical patent/SE415638B/en
Priority to GB7912830A priority patent/GB2022866A/en
Priority to CA000325575A priority patent/CA1147436A/en
Priority to FR7909640A priority patent/FR2423330A1/en
Publication of SE7804282L publication Critical patent/SE7804282L/en
Publication of SE415638B publication Critical patent/SE415638B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/26—Programme control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/10—Stamping using yieldable or resilient pads
    • B21D22/12—Stamping using yieldable or resilient pads using enclosed flexible chambers
    • 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
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/08—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using plugboards, cross-bar distributors, matrix switches, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Presses (AREA)
  • Press Drives And Press Lines (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

The hydraulic pressure in a press is varied during a pressing operation in dependence on the relative movement between a pair of press components. Means sense this movement and produce a control signal which, causes a hydraulic system to vary the hydraulic pressure during the pressing operation according to a functional press relationship. The sensing means comprise a manually programmable electrical function generator which has contact points arranged in rows and columns for reproducing in an electrically readable form pairwise associated pressure and movement values constituting points in the relevant functional relationship (p=f(s)), and which at its output is connected to the hydraulic system. Its input side is operatively connected, via a measurement transducer, to one of the said components for receiving a measurement signal (s) which is a measure of the movement and which makes the function generator issue at its output the said pressure values as the movement values are reached. <IMAGE>
SE7804282A 1978-04-17 1978-04-17 DEVICE FOR PRESSURES WHICH ARE PREFERRED FOR THE FORMATION OF THE PALTIM AND WHICH THE FORMATION IS DUE TO A HYDRAULIC PRESSURE VARIABLE IN A PRESSING OPERATION SE415638B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE7804282A SE415638B (en) 1978-04-17 1978-04-17 DEVICE FOR PRESSURES WHICH ARE PREFERRED FOR THE FORMATION OF THE PALTIM AND WHICH THE FORMATION IS DUE TO A HYDRAULIC PRESSURE VARIABLE IN A PRESSING OPERATION
GB7912830A GB2022866A (en) 1978-04-17 1979-04-11 Hydraulic Press Control
CA000325575A CA1147436A (en) 1978-04-17 1979-04-17 Arrangement for presses
FR7909640A FR2423330A1 (en) 1978-04-17 1979-04-17 PROGRAMMING DEVICE, ESPECIALLY FOR PRESSES WITH VARIABLE STAMPING PRESSURE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7804282A SE415638B (en) 1978-04-17 1978-04-17 DEVICE FOR PRESSURES WHICH ARE PREFERRED FOR THE FORMATION OF THE PALTIM AND WHICH THE FORMATION IS DUE TO A HYDRAULIC PRESSURE VARIABLE IN A PRESSING OPERATION

Publications (2)

Publication Number Publication Date
SE7804282L true SE7804282L (en) 1979-10-18
SE415638B SE415638B (en) 1980-10-20

Family

ID=20334626

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7804282A SE415638B (en) 1978-04-17 1978-04-17 DEVICE FOR PRESSURES WHICH ARE PREFERRED FOR THE FORMATION OF THE PALTIM AND WHICH THE FORMATION IS DUE TO A HYDRAULIC PRESSURE VARIABLE IN A PRESSING OPERATION

Country Status (4)

Country Link
CA (1) CA1147436A (en)
FR (1) FR2423330A1 (en)
GB (1) GB2022866A (en)
SE (1) SE415638B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE432221B (en) * 1980-06-30 1984-03-26 Karlstad Mekaniska Ab DEVICE FOR COMBINED MEDICAL AND SPEED CONTROL OF A HYDRAULIC MANOVERED PRESS TABLE
JPS60133933A (en) * 1983-12-21 1985-07-17 Honda Motor Co Ltd Press forming method
RU2380737C2 (en) * 2004-06-28 2010-01-27 Джон Питер ХОЛЛАНД Control device
JP4233514B2 (en) 2004-11-04 2009-03-04 ファナック株式会社 Die cushion mechanism, control device and control method thereof
CN115178647B (en) * 2022-09-14 2022-12-16 季华实验室 Punching classification method and system, electronic equipment and storage medium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712772A (en) * 1970-09-23 1973-01-23 Hunkar Instr Dev Labor Inc Control system for parison extruders

Also Published As

Publication number Publication date
GB2022866A (en) 1979-12-19
SE415638B (en) 1980-10-20
FR2423330A1 (en) 1979-11-16
CA1147436A (en) 1983-05-31
FR2423330B1 (en) 1984-07-20

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