EP2953745A1 - Procédé de production d'un trou borgne dans un corps métallique - Google Patents

Procédé de production d'un trou borgne dans un corps métallique

Info

Publication number
EP2953745A1
EP2953745A1 EP14707090.8A EP14707090A EP2953745A1 EP 2953745 A1 EP2953745 A1 EP 2953745A1 EP 14707090 A EP14707090 A EP 14707090A EP 2953745 A1 EP2953745 A1 EP 2953745A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
receptacle
blind hole
punch
metallic
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
EP14707090.8A
Other languages
German (de)
English (en)
Other versions
EP2953745B1 (fr
Inventor
Tobias Geisler
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 EP2953745A1 publication Critical patent/EP2953745A1/fr
Application granted granted Critical
Publication of EP2953745B1 publication Critical patent/EP2953745B1/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
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/002—Hybrid process, e.g. forging following casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/64—Making machine elements nuts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K23/00—Making other articles

Definitions

  • the invention relates to a method for drilling alternative method for creating a blind hole in a at least one curved surface having metallic workpiece, starting starting from about the horizontal touch tangent and is processed approximately transversely thereto in the direction of the material of the workpiece.
  • the invention is therefore based on the object to develop a method that the metallic body can be provided with high precision and at a significantly increased speed with blind holes.
  • the essence of the invention is to place the corresponding material sites in the metallic body in an adiabatic state in order to avoid plastic deformation in the impact area. For this one does not need a drill, which wears fast. Furthermore, there are no chips that can lead to process disturbances.
  • a development of the invention provides that the diameter of the
  • the protrusion of the punch with respect to the receptacle allows a ring area that can not be displaced too quickly, so that this ring area ensures that a bottom area remains in the punching or lifting operation. It is preferably provided that the receptacle for the displaced material is arranged above the workpiece.
  • the impact velocity ⁇ 10 m / s preferably 6 m / s to 8 m / s is sufficient to produce the adiabatic state.
  • the cross-section of the metallic work piece is triangular or semicircular, has at least one rounded corner, and the blind hole extending from the highest point of the rounding transverse to the line connecting the other two corners.
  • a development of the invention provides that the workpiece is fed as a long material with the desired cross section of the processing station for producing the blind hole and is then adiabatically cut to final dimensions or previously adiabatically separated with final gauge and the processing station is supplied. It has proven to be particularly advantageous if this method for
  • this sliding block also has a through-hole using the method for producing through-holes of through-holes in accordance with the simultaneously filed and other embodiments.
  • Fig. 1 is a cross-section of the initial situation, at the with the
  • FIG. 3 is a view similar to Figure 2, but with the punch
  • Pen should be sheared off according to the drawing to the right and can be removed through the blind hole;
  • FIG. 4 shows a view similar to Figure 3, wherein the receiving content has already been removed through the blind hole.
  • FIG. 1 shows the starting position for adiabatic displacement of a blind hole 10.
  • the workpiece 12 which in this case is of course a sliding block 12, is received in a holder 14 in such a way that the rounding of the semicircular cross section in this case points downwards.
  • the workpiece 12 to be machined is held on its upper side by a receptacle 16, which has a punch 18 in an aligned recess or a cavity for the material to be displaced.
  • the material of the workpiece is now shifted, as shown in FIG. 2, with the aid of a punch 18 in the axial direction of the receptacle 16, wherein the material hit by the punch 18 changes into an adiabatic state and partially is moved into the space provided 16.
  • the receptacle 16 can now be moved freely to the right, since the punch 18 has already been pulled out of the blind hole 10.
  • the recording 1 6 is moved as shown in Figure 4 as far to the right until the sheared pin reaches the through hole Du and can fall through this down.
  • the diameter d in the receptacle 16 is smaller than the diameter D of the punch 18. It forms quasi a small ring in the region of the sliding block 12, which is quasi retained by the smaller diameter d of the opening of the receptacle 1 6.
  • the receptacle 16 therefore holds a ring portion of the later bottom of the blind hole 10 of the sliding block 12. It is certainly also possible to arrange the arrangement inversely to the figures 1 to 4. However, it has proved to be advantageous if the receptacle 16 for the displaced material is arranged above the workpiece 12.
  • 17 185 A1 explicitly states that an adiabatic state only occurs at speeds above 10 m / s, it has been found in the illustrated arrangement that even lower speeds, for example, 6 m / s to 8 m / s and preferably 7 m / s can be used to achieve an adiabatic state in the hole process.
  • the cross section of the metallic workpiece 12 is triangular, with at least one rounded corner is present, which can be used as entry for the punch or punch 18 to produce the blind hole 1 0.
  • blind holes which have a flat bottom and no longer have the conical depressions which are produced by the drills.
  • This has the advantage, in particular with the sliding blocks, that the springs inserted in the blind holes can always be a perfect fit for supporting a ball and can not move. Of course, with the exception of the spring travel. So that the balls placed on the springs are held in the blind hole, the outer walls of the blind hole are caulked.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Forging (AREA)

Abstract

Procédé de production d'un trou borgne (10) dans une pièce métallique présentant au moins une surface incurvée, une partie de la matière étant poussée sensiblement à partir de la tangente à la courbure s'étendant horizontalement et de là, sensiblement perpendiculairement dans la direction du matériau de la pièce par un mouvement de va-et-vient, comprenant les étapes consistant à : a) pourvoir la pièce d'un élément récepteur (16) de type matrice pour la matière à refouler ; b) pousser la matière de la pièce à l'aide d'un poinçon dans la direction de l'axe de l'élément récepteur (16), la matière touchée par le poinçon étant tout d'abord cisaillée dans un état adiabatique et s'écoulant en partie dans l'élément récepteur (16) ; et c) éliminer le matériau en excédent au niveau de l'élément récepteur (16).
EP14707090.8A 2013-02-05 2014-01-25 Procédé de poinçonnage d'un trou aveugle dans un objet métallique Active EP2953745B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013001918.4A DE102013001918B4 (de) 2013-02-05 2013-02-05 Verfahren zur Herstellung eines Sacklochs in einem metallischen Körper sowie Verwendung eines derartigen Verfahrens
PCT/EP2014/000196 WO2014121899A1 (fr) 2013-02-05 2014-01-25 Procédé de production d'un trou borgne dans un corps métallique

Publications (2)

Publication Number Publication Date
EP2953745A1 true EP2953745A1 (fr) 2015-12-16
EP2953745B1 EP2953745B1 (fr) 2020-12-23

Family

ID=50189652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14707090.8A Active EP2953745B1 (fr) 2013-02-05 2014-01-25 Procédé de poinçonnage d'un trou aveugle dans un objet métallique

Country Status (5)

Country Link
US (1) US10105750B2 (fr)
EP (1) EP2953745B1 (fr)
CN (1) CN105050750A (fr)
DE (1) DE102013001918B4 (fr)
WO (1) WO2014121899A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013001919B4 (de) 2013-02-05 2022-10-13 Wolfgang Rixen Verfahren zur Erzeugung eines Durchgangslochs in einem metalischen Körper und Verwendung eines solchen Verfahrens
DE102017214210A1 (de) * 2017-08-15 2019-02-21 Wolfgang Rixen Verfahren zur Herstellung eines Sacklochs
JP6955123B1 (ja) * 2020-11-02 2021-10-27 株式会社Ｔ・Ｐ・Ｓ・クリエーションズ 面実装ナットの製造方法、面実装ナットの製造装置、有底筒状体の製造方法、および面実装ナット

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3645521A (en) * 1970-09-02 1972-02-29 Chemotronics International Inc Apparatus for treating articles of manufacture to eliminate superfluous projections
JPH06275365A (ja) 1993-03-18 1994-09-30 Nippondenso Co Ltd 金属チップの製造方法，製造装置，金属チップ及びスパークプラグ
DE19753069C2 (de) * 1997-11-29 2001-09-27 E & W Gloerfeld Gmbh Nutenstein
JP2002043474A (ja) * 2000-07-21 2002-02-08 Nakamura Seisakusho Kk 電子部品用パッケージの形成方法
US6571596B1 (en) * 2000-11-29 2003-06-03 Lennart J. Lindell Automatic two-station adiabatic blank cut-off and part forming system
DE10317185A1 (de) 2003-04-15 2004-11-11 Edscha Ag Herstellung von Profilteilen
DE102007036708A1 (de) 2007-08-03 2008-04-30 Daimler Ag Verfahren und Vorrichtung zur Herstellung von Verzahnungen
DE102010007955B4 (de) 2010-02-12 2014-08-21 Johnson Controls Gmbh Verfahren zur Herstellung eines Bauteils sowie Vorrichtung
DE102013001919B4 (de) 2013-02-05 2022-10-13 Wolfgang Rixen Verfahren zur Erzeugung eines Durchgangslochs in einem metalischen Körper und Verwendung eines solchen Verfahrens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014121899A1 *

Also Published As

Publication number Publication date
DE102013001918A1 (de) 2014-08-07
US10105750B2 (en) 2018-10-23
WO2014121899A1 (fr) 2014-08-14
CN105050750A (zh) 2015-11-11
EP2953745B1 (fr) 2020-12-23
DE102013001918B4 (de) 2019-12-19
US20150367403A1 (en) 2015-12-24

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