FR2380084A1 - Procede de mise en forme a froid de toles et machine destinee a realiser le procede - Google Patents

Procede de mise en forme a froid de toles et machine destinee a realiser le procede

Info

Publication number
FR2380084A1
FR2380084A1 FR7803848A FR7803848A FR2380084A1 FR 2380084 A1 FR2380084 A1 FR 2380084A1 FR 7803848 A FR7803848 A FR 7803848A FR 7803848 A FR7803848 A FR 7803848A FR 2380084 A1 FR2380084 A1 FR 2380084A1
Authority
FR
France
Prior art keywords
sheet
mfr
cone
surface grinding
cold shaping
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.)
Withdrawn
Application number
FR7803848A
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.)
SOCAPI SPRL
Original Assignee
SOCAPI SPRL
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 SOCAPI SPRL filed Critical SOCAPI SPRL
Publication of FR2380084A1 publication Critical patent/FR2380084A1/fr
Withdrawn legal-status Critical Current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
    • B21D25/00—Working sheet metal of limited length by stretching, e.g. for straightening
    • B21D25/02—Working sheet metal of limited length by stretching, e.g. for straightening by pulling over a die
    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/20—Bending sheet metal, not otherwise provided for
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • 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
    • B21D51/00—Making hollow objects
    • B21D51/02—Making hollow objects characterised by the structure of the objects
    • B21D51/10—Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects

Abstract

Le procédé consiste, la tôle ayant été découpée suivant le développement de la forme à obtenir, à serrer ladite tôle sur une partie de sa surface correspondant à la base à obtenir, de manière à empêcher sa déformation à cet endroit, et à la faire pivoter autour d'un axe correspondant à son arête de base pour amener l'autre partie de sa surface en contact avec des moyens de mise en forme disposés de manière appropriée dans le trajet de pivotement de la tôle. Dans la machine réalisant le procédé, le pivotement est obtenu par un organe de pression tel qu'un vérin et les moyens de mise en forme sont constitués de chaque côté par un galet formé de plusieurs tronçons tournant indépendamment l'un de l'autre. Dans la trajectoire de pivotement est prévue une butée en forme. L'invention s'applique à la mise en forme de cônes rond-carré ou rond-rectangulaire, particulièrement pour les industries de pointe.
FR7803848A 1977-02-11 1978-02-10 Procede de mise en forme a froid de toles et machine destinee a realiser le procede Withdrawn FR2380084A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE6045876A BE851377A (fr) 1977-02-11 1977-02-11 Procede de mise en forme a froid de toles et machine destinee a realiser le procede

Publications (1)

Publication Number Publication Date
FR2380084A1 true FR2380084A1 (fr) 1978-09-08

Family

ID=3874721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7803848A Withdrawn FR2380084A1 (fr) 1977-02-11 1978-02-10 Procede de mise en forme a froid de toles et machine destinee a realiser le procede

Country Status (5)

Country Link
BE (1) BE851377A (fr)
DE (1) DE2805654A1 (fr)
FR (1) FR2380084A1 (fr)
IT (1) IT1107416B (fr)
NL (1) NL7801426A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989001370A1 (fr) * 1987-08-18 1989-02-23 Abbeybench Limited Formage de pieces en materiaux ductiles
RU2181641C2 (ru) * 1996-03-01 2002-04-27 Лор Эндюстри Способ изготовления корпуса грузоподъемного кузова с вогнутым профилем
RU2705829C1 (ru) * 2019-07-19 2019-11-12 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тульский государственный университет" (ТулГУ) Штамп для вытяжки полых деталей с переменной толщиной стенки по высоте
RU2707456C1 (ru) * 2019-07-19 2019-11-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тульский государственный университет" (ТулГУ) Способ и устройство для получения оболочки с переменной толщиной стенки по высоте

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT385688B (de) * 1986-08-14 1988-05-10 Voest Alpine Ag Vorrichtung zum abkanten von blechzuschnitten
CH673604A5 (fr) * 1987-10-22 1990-03-30 Fael Sa

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989001370A1 (fr) * 1987-08-18 1989-02-23 Abbeybench Limited Formage de pieces en materiaux ductiles
RU2181641C2 (ru) * 1996-03-01 2002-04-27 Лор Эндюстри Способ изготовления корпуса грузоподъемного кузова с вогнутым профилем
RU2705829C1 (ru) * 2019-07-19 2019-11-12 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тульский государственный университет" (ТулГУ) Штамп для вытяжки полых деталей с переменной толщиной стенки по высоте
RU2707456C1 (ru) * 2019-07-19 2019-11-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тульский государственный университет" (ТулГУ) Способ и устройство для получения оболочки с переменной толщиной стенки по высоте

Also Published As

Publication number Publication date
BE851377A (fr) 1977-05-31
DE2805654A1 (de) 1978-08-17
IT7884109A0 (it) 1978-02-13
IT1107416B (it) 1985-11-25
NL7801426A (nl) 1978-08-15

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Legal Events

Date Code Title Description
ST Notification of lapse