EP1735117A2 - Outil a lobes multiples en metal fritte et son procede de fabrication - Google Patents

Outil a lobes multiples en metal fritte et son procede de fabrication

Info

Publication number
EP1735117A2
EP1735117A2 EP05724557A EP05724557A EP1735117A2 EP 1735117 A2 EP1735117 A2 EP 1735117A2 EP 05724557 A EP05724557 A EP 05724557A EP 05724557 A EP05724557 A EP 05724557A EP 1735117 A2 EP1735117 A2 EP 1735117A2
Authority
EP
European Patent Office
Prior art keywords
recited
tool
lobular
predetermined length
high speed
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Withdrawn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
EP05724557A
Other languages
German (de)
English (en)
Other versions
EP1735117A4 (fr
Inventor
Edward Kletecka
Sean Kurtz
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.)
Acument Intellectual Properties LLC
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Publication of EP1735117A2 publication Critical patent/EP1735117A2/fr
Publication of EP1735117A4 publication Critical patent/EP1735117A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B21K5/00—Making tools or tool parts, e.g. pliers
    • B21K5/20—Making working faces of dies, either recessed or outstanding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • 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
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B21K1/46—Making machine elements bolts, studs, or the like with heads
    • B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
    • B23P13/04—Making metal objects by operations essentially involving machining but not covered by a single other subclass involving slicing of profiled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

Definitions

  • This invention generally relates to multi-lobular tooling for punching a multi-
  • the invention also relates to methods of forming a powdered metal
  • Multi-lobular tools are used to punch a
  • Figure 1 illustrates a
  • the head 12 of the punch pin 10 i.e., having a
  • multi-lobular profile is punched into a workpiece, such as the head of a fastener, to
  • punch pins are formed of standard tool steel such as M42 tool steel.
  • Tool steel by nature, is very nonhomogeneous, and typically contains large, often
  • Figure 2 provides an image of a punch pin formed of M42 tool
  • Figure 3 is similar, but is an image taken along
  • the carbide may cause the lobe to chip prematurely during use, as shown in Figure 4.
  • Figure 4 provides an image of a punch pin formed of M42 tool steel, where the image
  • MIM metal injection molding
  • the binder must be removed (i.e., de-
  • embodiment of the present invention provides a tool made of powdered metal, such as
  • a tool made of powdered metal where the tool has a multi-lobular end profile.
  • method includes steps of: cutting a predetermined length from a rod formed of
  • powdered metal such as a modified T15 HSS (modified in that molybdenum is
  • Figure 1 is a perspective view of a multi-lobular punch pin
  • Figure 2 provides an image of a punch pin formed of M42 tool steel, where the
  • Figure 3 is similar to Figure 2 , but where the image has been taken along a
  • Figure 4 provides an image of a punch pin formed of M42 tool steel, where the
  • Figure 5 provides an image of a punch pin formed of a modified T15 HSS in
  • Figure 6 is similar to Figure 5 , but where the image has been taken along a
  • Figure 7 provides an image of a punch pin formed of a modified T15 HSS in
  • Figure 8 provides a flow chart of a method of fabricating a multi-lobular tool
  • Figures 2-4 relate to a punch pin formed of M42 tool steel.
  • Figures 5-7 provide similar views, but relating to a multi-lobular tool, specifically a
  • molybdenum is added), in accordance with an embodiment of the present invention.
  • the punch pin is very robust and not
  • Figure 5 provides an image of the punch pin, where the image was taken with a
  • Figure 6 is similar to Figure 5, but where the image has been taken along a
  • the carbides are relatively small compared to those
  • the carbides present in a punch pin made of tool steel can be 40 microns or more
  • the punch pin is formed of powdered metal, such a modified T15 HSS
  • the carbides in powdered form, provides that the carbides can be as small as 1-4 microns.
  • Figure 7 provides an image of the punch pin, where the image was taken with a
  • punch pin ( Figure 4) exhibits some chipping at a lobe.
  • lobular tool such as a punch pin
  • multi-lobular tools such as punch pins, are formed of tool
  • the punch pin is more robust and has improved column strength and impact resistance, and will have a longer useful service life.
  • Figure 8 illustrates a method of fabricating a powdered metal multi-lobular
  • the method provides the
  • powdered metal such as a modified T15 HSS (modified in that molybdenum is
  • HIP hot isostatic press
  • the P.M. ingot is then processed like a conventionally poured ingot. While embodiments of the present invention are shown and described, it is

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Forging (AREA)
  • Drilling Tools (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)

Abstract

La présente invention a trait à un outil (10) réalisé en métal fritté, tel qu'un acier rapide T15 modifié sous forme de poudre, et présentant un profil d'extrémité à lobes multiples (12) pour le poinçonnage d'évidements à lobes multiples dans des pièces, tels que dans les têtes d'éléments de fixation. L'outil (10) est homogène et contient uniquement des carbures qui sont de taille relativement petite, comprise entre 1 et 4 microns. L'invention a également trait à un procédé pour la fabrication d'un tel outil. Le procédé comprend la coupe d'une barre de métal fritté et le façonnage de la pièce coupée pour fournir un outil à lobes multiples. La pièce finale présente une densité théorique de 100 %, par opposition à la densité des pièces métalliques moulées par injection de 95 à 98 % de densité. Lors de l'utilisation de l'outil, la partie d'extrémité, grâce à son procédé de fabrication, présente une force de colonne accrue et une résistance au choc améliorée.
EP05724557A 2004-04-13 2005-03-03 Outil a lobes multiples en metal fritte et son procede de fabrication Withdrawn EP1735117A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56172804P 2004-04-13 2004-04-13
US11/052,438 US20050227772A1 (en) 2004-04-13 2005-02-07 Powdered metal multi-lobular tooling and method of fabrication
PCT/US2005/007040 WO2005102559A2 (fr) 2004-04-13 2005-03-03 Outil a lobes multiples en metal fritte et son procede de fabrication

Publications (2)

Publication Number Publication Date
EP1735117A2 true EP1735117A2 (fr) 2006-12-27
EP1735117A4 EP1735117A4 (fr) 2010-04-07

Family

ID=35061265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05724557A Withdrawn EP1735117A4 (fr) 2004-04-13 2005-03-03 Outil a lobes multiples en metal fritte et son procede de fabrication

Country Status (11)

Country Link
US (2) US20050227772A1 (fr)
EP (1) EP1735117A4 (fr)
JP (1) JP2007532320A (fr)
KR (2) KR100824175B1 (fr)
AR (1) AR048680A1 (fr)
AU (1) AU2005235543A1 (fr)
BR (1) BRPI0509839A (fr)
CA (1) CA2558010A1 (fr)
RU (1) RU2366528C2 (fr)
TW (1) TWI321502B (fr)
WO (1) WO2005102559A2 (fr)

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US9132567B2 (en) * 2007-03-23 2015-09-15 Dayton Progress Corporation Tools with a thermo-mechanically modified working region and methods of forming such tools
US8968495B2 (en) * 2007-03-23 2015-03-03 Dayton Progress Corporation Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels
US8656562B2 (en) * 2008-02-15 2014-02-25 Universal Trim Supply Co., Ltd. Structure of assembling a plastic locking device with a surface material
US20110131790A1 (en) * 2009-12-07 2011-06-09 Po-Hsun Chien Electromotive hair cutter
US9004835B2 (en) 2010-02-19 2015-04-14 Nucor Corporation Weldless building structures
US8529178B2 (en) 2010-02-19 2013-09-10 Nucor Corporation Weldless building structures
US10022845B2 (en) 2014-01-16 2018-07-17 Milwaukee Electric Tool Corporation Tool bit
CA2964008C (fr) 2016-05-02 2023-10-24 Nucor Corporation Fixation independante filetee double
TWI565542B (zh) * 2016-07-21 2017-01-11 jia-rong Lin Tube device
US11638987B2 (en) 2017-12-01 2023-05-02 Milwaukee Electric Tool Corporation Wear resistant tool bit
CN107952965B (zh) * 2017-12-08 2020-09-29 有研工程技术研究院有限公司 一种梅花内六角冲针及针头的制备方法
USD921468S1 (en) 2018-08-10 2021-06-08 Milwaukee Electric Tool Corporation Driver bit

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Title
See also references of WO2005102559A2 *

Also Published As

Publication number Publication date
CA2558010A1 (fr) 2005-11-03
KR20070118198A (ko) 2007-12-13
WO2005102559A2 (fr) 2005-11-03
EP1735117A4 (fr) 2010-04-07
BRPI0509839A (pt) 2007-10-23
US20050227772A1 (en) 2005-10-13
RU2006138688A (ru) 2008-05-27
TWI321502B (en) 2010-03-11
US20080236341A1 (en) 2008-10-02
KR20070005667A (ko) 2007-01-10
TW200602138A (en) 2006-01-16
AU2005235543A1 (en) 2005-11-03
RU2366528C2 (ru) 2009-09-10
AR048680A1 (es) 2006-05-17
WO2005102559A3 (fr) 2005-12-22
KR100824175B1 (ko) 2008-04-21
JP2007532320A (ja) 2007-11-15

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