FR2438770A1 - Procede pour la reduction du bruit et des vibrations dans des machines telles que presses d'estampage et de decoupage - Google Patents

Procede pour la reduction du bruit et des vibrations dans des machines telles que presses d'estampage et de decoupage

Info

Publication number
FR2438770A1
FR2438770A1 FR7925248A FR7925248A FR2438770A1 FR 2438770 A1 FR2438770 A1 FR 2438770A1 FR 7925248 A FR7925248 A FR 7925248A FR 7925248 A FR7925248 A FR 7925248A FR 2438770 A1 FR2438770 A1 FR 2438770A1
Authority
FR
France
Prior art keywords
force
machines
stamping
vibration
reducing noise
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.)
Granted
Application number
FR7925248A
Other languages
English (en)
Other versions
FR2438770B1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2438770A1 publication Critical patent/FR2438770A1/fr
Application granted granted Critical
Publication of FR2438770B1 publication Critical patent/FR2438770B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/20—Applications of drives for reducing noise or wear

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Control Of Presses (AREA)
  • Punching Or Piercing (AREA)
  • Fluid-Damping Devices (AREA)
  • Shearing Machines (AREA)

Abstract

A.PROCEDE POUR LA REDUCTION DU BRUIT ET DES VIBRATIONS SUR DES MACHINES-OUTILS. B.PROCEDE CARACTERISE EN CE QUE LA FORCE EST RELACHEE LENTEMENT PAR LE FAIT QUE LE FLUIDE HYDRAULIQUE PRECOMPRIME EST RETENU DANS UNE CHAMBRE FERMEE, CETTE PRECOMPRESSION ETANT REALISEE PAR UN PREMIER PISTON A UNE PRESSION CORRESPONDANT A LA FORCE DE TRAVAIL AVANT SA DETENTE, CETTE FORCE AGISSANT IMMEDIATEMENT AVANT SA DETENTE SUR UN SECOND PISTON APRES QUOI, POUR OBTENIRUNE DETENTE PROGRESSIVE ET LENTE DE LA FORCE, LE FLUIDE HYDRAULIQUE EST CHASSE DE LA CHAMBRE A TRAVERS UNE CONDUITE POURVUE D'UNE SOUPAPE S'OUVRANT A UNE PRESSION PREDETERMINE. C.DISPOSITIF APPLICABLE A DES MACHINES TELLES QUE PRESSES, A DETENTE BRUSQUE DE LA FORCE DE TRAVAIL.
FR7925248A 1978-10-10 1979-10-10 Procede pour la reduction du bruit et des vibrations dans des machines telles que presses d'estampage et de decoupage Granted FR2438770A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7810567A SE414075B (sv) 1978-10-10 1978-10-10 Forfarande for ljud- och vibrationsdempning hos maskiner med transiebta kraftavlastningar av den typ som forekommer i klippningspressar samt anordning for genomforande av forfarandet

Publications (2)

Publication Number Publication Date
FR2438770A1 true FR2438770A1 (fr) 1980-05-09
FR2438770B1 FR2438770B1 (fr) 1984-04-27

Family

ID=20336051

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7925248A Granted FR2438770A1 (fr) 1978-10-10 1979-10-10 Procede pour la reduction du bruit et des vibrations dans des machines telles que presses d'estampage et de decoupage

Country Status (9)

Country Link
US (1) US4269283A (fr)
JP (1) JPS5554225A (fr)
BE (1) BE879320A (fr)
DE (1) DE2941125A1 (fr)
DK (1) DK151593C (fr)
FR (1) FR2438770A1 (fr)
GB (1) GB2036923B (fr)
IT (1) IT1128740B (fr)
SE (1) SE414075B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2928777A1 (de) * 1979-07-17 1981-02-05 Profil Verbindungstechnik Gmbh Schlagdaempfer zur laermreduzierung bei maschinen mit hin- und hergehenden maschinenteilen
JPS60176821U (ja) * 1984-04-27 1985-11-22 株式会社小松製作所 ダイクツシヨン装置
US4862844A (en) * 1987-10-29 1989-09-05 Allied-Signal Inc. Valve assembly for internal combustion engine
CA1335638C (fr) * 1987-12-04 1995-05-23 Kinshirou Naito Methode et dispositif de commande de la course d'une presse
US4955282A (en) * 1989-03-27 1990-09-11 Ranson Ronald W Uniform flow hydraulic system
US5398601A (en) * 1993-04-20 1995-03-21 The Minster Machine Company Press shutheight adjustment in motion mechanism
DE29516529U1 (de) * 1995-10-19 1997-02-20 Bêché & Grohs GmbH, 42499 Hückeswagen Schmiedehammer
US20050029690A1 (en) * 2003-08-08 2005-02-10 George Burlow Method and apparatus for manufacturing compressed earthen blocks

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618122A (en) * 1946-04-18 1952-11-18 Gratzmuller Jean Louis Telescopic hydraulic jack
US4026192A (en) * 1971-11-12 1977-05-31 Atlas Copco Aktiebolag Motor driven by a pressurized fluid medium for operating an impacting tool in a linear direction
CH554237A (de) * 1972-09-29 1974-09-30 Schuler Gmbh L Vorrichtung an schnittpresse zum verhindern der unkontrollierten entspannung von gestell und antriebssystem der schnittpresse.
JPS5339093B2 (fr) * 1973-05-23 1978-10-19
JPS5936213B2 (ja) * 1976-08-06 1984-09-03 東芝機械株式会社 溶融金属の液面検出用電極

Also Published As

Publication number Publication date
SE414075B (sv) 1980-07-07
DK151593C (da) 1988-05-24
DE2941125A1 (de) 1980-04-24
US4269283A (en) 1981-05-26
SE7810567L (sv) 1980-04-11
BE879320A (fr) 1980-02-01
FR2438770B1 (fr) 1984-04-27
DE2941125C2 (fr) 1990-07-19
DK422779A (da) 1980-04-11
IT7950504A0 (it) 1979-10-09
DK151593B (da) 1987-12-14
GB2036923B (en) 1983-02-09
GB2036923A (en) 1980-07-02
JPS6330120B2 (fr) 1988-06-16
IT1128740B (it) 1986-06-04
JPS5554225A (en) 1980-04-21

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Legal Events

Date Code Title Description
ST Notification of lapse