IT1130334B - Dispositivo per la curvatura e la tempra di materiale a forma di barra - Google Patents

Dispositivo per la curvatura e la tempra di materiale a forma di barra

Info

Publication number
IT1130334B
IT1130334B IT21035/80A IT2103580A IT1130334B IT 1130334 B IT1130334 B IT 1130334B IT 21035/80 A IT21035/80 A IT 21035/80A IT 2103580 A IT2103580 A IT 2103580A IT 1130334 B IT1130334 B IT 1130334B
Authority
IT
Italy
Prior art keywords
curvature
bar
shaped material
hardening device
hardening
Prior art date
Application number
IT21035/80A
Other languages
English (en)
Other versions
IT8021035A0 (it
Inventor
Lothar Luckert
Christoph Pohl
Carl-Erich Proll
Paul Steffes
Original Assignee
Proll & Lohmann Betriebs Gmbh
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 Proll & Lohmann Betriebs Gmbh filed Critical Proll & Lohmann Betriebs Gmbh
Publication of IT8021035A0 publication Critical patent/IT8021035A0/it
Application granted granted Critical
Publication of IT1130334B publication Critical patent/IT1130334B/it

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
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B21D53/886—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards leaf springs
    • 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
    • B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
    • 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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
IT21035/80A 1979-03-29 1980-03-28 Dispositivo per la curvatura e la tempra di materiale a forma di barra IT1130334B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2912364A DE2912364C2 (de) 1979-03-29 1979-03-29 Vorrichtung zum Biegen und Härten oder zum alleinigen Härten von stangenförmigen Werkstücken, insbesondere Blattfedern

Publications (2)

Publication Number Publication Date
IT8021035A0 IT8021035A0 (it) 1980-03-28
IT1130334B true IT1130334B (it) 1986-06-11

Family

ID=6066735

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21035/80A IT1130334B (it) 1979-03-29 1980-03-28 Dispositivo per la curvatura e la tempra di materiale a forma di barra

Country Status (4)

Country Link
US (1) US4294102A (it)
JP (1) JPS55130342A (it)
DE (1) DE2912364C2 (it)
IT (1) IT1130334B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0247808U (it) * 1988-09-28 1990-04-03
DE3901751A1 (de) * 1989-01-21 1990-07-26 Luhn & Pulvermacher Gmbh & Co Biegemaschine fuer blattfedern
DE3901752C2 (de) * 1989-01-21 1997-04-24 Krupp Ag Hoesch Krupp Härtemaschine für Blattfedern
JP2774976B2 (ja) * 1990-02-13 1998-07-09 株式会社モリタアンドカンパニー 板ばねのキャンバー成形方法およびその装置
US6089061A (en) * 1999-05-12 2000-07-18 Northrop Grumman Corporation Modularized reconfigurable heated forming tool
SE522296C2 (sv) * 2001-07-02 2004-01-27 Accra Teknik Ab Anordning och metod för formning av en tre-dimensionell balk
US7832250B2 (en) * 2008-04-18 2010-11-16 L&P Property Management Company Method and apparatus for automating production of sinuous springs
CN104096727A (zh) * 2013-04-15 2014-10-15 四川蓝讯宝迩电子科技有限公司 精度高的折弯设备
CN103498040B (zh) * 2013-09-25 2016-04-06 十堰天舒感应设备有限公司 长轴类零件的热成型及淬火一体机床
CN106623537A (zh) * 2015-11-04 2017-05-10 株洲时代新材料科技股份有限公司 一种轨道车辆用弯扭杆的成型及热处理设备和方法
CN106424279B (zh) * 2016-11-22 2018-10-09 北京汽车股份有限公司 热冲压装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1776082A (en) * 1926-07-26 1930-09-16 George Lawrence Spring-forming device
US1776083A (en) * 1927-07-28 1930-09-16 George Lawrence Spring-leaf-forming mechanism
US2783815A (en) * 1952-12-11 1957-03-05 Virginia P Tegarden Forming machine
US3414967A (en) * 1967-06-30 1968-12-10 Sundstrand Corp Tool changer
GB1343674A (en) * 1971-05-28 1974-01-16 Mollart Eng Co Ltd Machine tool having interchangeable tool carrying units

Also Published As

Publication number Publication date
JPS55130342A (en) 1980-10-09
DE2912364C2 (de) 1982-02-18
IT8021035A0 (it) 1980-03-28
US4294102A (en) 1981-10-13
DE2912364A1 (de) 1980-10-02
JPS6320608B2 (it) 1988-04-28

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