EP2367645A1 - Procédé et mâchoire de laminage pour fabriquer une vis à pas variable - Google Patents

Procédé et mâchoire de laminage pour fabriquer une vis à pas variable

Info

Publication number
EP2367645A1
EP2367645A1 EP11701451A EP11701451A EP2367645A1 EP 2367645 A1 EP2367645 A1 EP 2367645A1 EP 11701451 A EP11701451 A EP 11701451A EP 11701451 A EP11701451 A EP 11701451A EP 2367645 A1 EP2367645 A1 EP 2367645A1
Authority
EP
European Patent Office
Prior art keywords
thread pitch
implemented
screw
producing
thread
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
EP11701451A
Other languages
German (de)
English (en)
Other versions
EP2367645B1 (fr
Inventor
Ulrich Hettich
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.)
Ludwig Hettich and Co
Original Assignee
Ludwig Hettich and Co
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 Ludwig Hettich and Co filed Critical Ludwig Hettich and Co
Priority to PL11701451T priority Critical patent/PL2367645T3/pl
Publication of EP2367645A1 publication Critical patent/EP2367645A1/fr
Application granted granted Critical
Publication of EP2367645B1 publication Critical patent/EP2367645B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Transmission Devices (AREA)
  • Metal Rolling (AREA)

Abstract

L'invention concerne un procédé pour fabriquer une vis (26) avec un filetage continu (28) à pas variable, selon lequel une ébauche (16) est laminée entre deux mâchoires de laminage (24), un profil de laminage qui comprend un ensemble de dépressions (34) courbes non parallèles étant formé dans chaque mâchoire de laminage. Les dépressions (34) sont conçues et disposées de telle manière que, lors du laminage, aucun transport de volume ou aussi peu de transport de volume que possible ait lieu dans la direction axiale, ou qu'un transport de volume ait lieu d'une zone de l'ébauche sur laquelle une section de filetage à pas plus grand est à former vers une zone dans laquelle une section de filetage à pas plus petit est à former.
EP11701451A 2010-01-14 2011-01-14 Procédé et mâchoire de laminage pour fabriquer une vis à pas variable Active EP2367645B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11701451T PL2367645T3 (pl) 2010-01-14 2011-01-14 Sposób i szczęka walcownicza do wytwarzania śruby o zmiennym skoku gwintu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010000084A DE102010000084A1 (de) 2010-01-14 2010-01-14 Verfahren und Mittel zur Herstellung einer Schraube mit veränderlicher Gewindesteigung
PCT/EP2011/000154 WO2011085999A1 (fr) 2010-01-14 2011-01-14 Procédé et mâchoire de laminage pour fabriquer une vis à pas variable

Publications (2)

Publication Number Publication Date
EP2367645A1 true EP2367645A1 (fr) 2011-09-28
EP2367645B1 EP2367645B1 (fr) 2012-11-14

Family

ID=43735749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11701451A Active EP2367645B1 (fr) 2010-01-14 2011-01-14 Procédé et mâchoire de laminage pour fabriquer une vis à pas variable

Country Status (8)

Country Link
US (1) US9017176B2 (fr)
EP (1) EP2367645B1 (fr)
CA (1) CA2786923A1 (fr)
DE (1) DE102010000084A1 (fr)
ES (1) ES2397625T3 (fr)
MX (1) MX2012008224A (fr)
PL (1) PL2367645T3 (fr)
WO (1) WO2011085999A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012009439A1 (fr) * 2010-07-14 2012-01-19 Illinois Tool Works Inc. Matrice de filetage et procédé
CN104289646B (zh) * 2013-07-17 2015-12-23 卢小璇 防松螺丝的成型模具
JP6472120B2 (ja) * 2014-02-18 2019-02-20 株式会社ＮｅｊｉＬａｗ 両ねじ体転造用ダイス構造、両ねじ体転造方法
US9757792B1 (en) * 2014-04-09 2017-09-12 Mark Doll Method for making a die for roll forming a dual threaded bolt
CN110216425B (zh) * 2019-06-18 2020-08-07 湖南工学院 一种单齿精密加工变槽宽螺纹的加工方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE57269C (de) * THE AMERICAN screw COMPANY in Providence, Rhode Island, V. St. A Arbeitsstück und Walzplatte zur Herstellung von Schrauben
JPS4838066B1 (fr) * 1970-04-15 1973-11-15
DE2941507A1 (de) * 1979-10-12 1980-10-23 Jungheinrich Kg Anordnung zur fuehrung eines frei verfahrbaren fahrzeuges entlang einer als fuehrungsdraht ausgefuehrten leitlinie
DE602004004057T2 (de) * 2004-01-26 2007-07-12 Ho, Jen-Tong Schraube mit einer Vielzahl von Schraubwinkeln und Walzbacken zu ihrer Herstellung
DE102007035183B4 (de) 2007-07-27 2010-05-12 Ludwig Hettich & Co. Erzeugung einer planmäßigen Eigenspannungsverteilung in Bauteilen durch Einbringen von Schrauben oder Gewindestangen mit sich in Längsrichtung variabel verändernder Gewindesteigung
WO2012009439A1 (fr) * 2010-07-14 2012-01-19 Illinois Tool Works Inc. Matrice de filetage et procédé

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011085999A1 *

Also Published As

Publication number Publication date
PL2367645T3 (pl) 2013-03-29
MX2012008224A (es) 2012-08-17
ES2397625T3 (es) 2013-03-08
EP2367645B1 (fr) 2012-11-14
CA2786923A1 (fr) 2011-07-21
US20120309548A1 (en) 2012-12-06
WO2011085999A1 (fr) 2011-07-21
DE102010000084A1 (de) 2011-07-21
US9017176B2 (en) 2015-04-28

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