JPS5641013A - Method and apparatus for straightening bend of extruded product - Google Patents

Method and apparatus for straightening bend of extruded product

Info

Publication number
JPS5641013A
JPS5641013A JP11574579A JP11574579A JPS5641013A JP S5641013 A JPS5641013 A JP S5641013A JP 11574579 A JP11574579 A JP 11574579A JP 11574579 A JP11574579 A JP 11574579A JP S5641013 A JPS5641013 A JP S5641013A
Authority
JP
Japan
Prior art keywords
die
forming
bend
holder
product
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.)
Pending
Application number
JP11574579A
Other languages
Japanese (ja)
Inventor
Iwao Mizutani
Eiichi Saito
Akio Takahashi
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP11574579A priority Critical patent/JPS5641013A/en
Publication of JPS5641013A publication Critical patent/JPS5641013A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, rods or tubes
    • B21C23/12—Extruding bent tubes or rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, rods or tubes
    • B21C23/085—Making tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/08—Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)

Abstract

PURPOSE: To straighten the bend without special necessity of the straightening die, by forming the bottom of the die holder to hold the forming die into the spherical plane, and by utilizing this spherical plane in finely adjusting the inclination of the forming die, in the straightening apparatus for the bend of the extruded product.
CONSTITUTION: At the extrusion die 5 provided with the straightening apparatus 6 for straightening the bend of the extruded product, the forming die 2 possessing the forming land 4 is fitted into the front center of the die holder 7. The bottom 8 of the die holder 7 is formed into the spherical plane centering at the forming land 4, so as to contact with the holding cavity surface 12 of the lower bolster 11 at the same curvature. The product is extruded through the forming die 2 and is formed by the forming land 4 into the specified section size. Hereupon, if a bend generates in the formed product, the screw 19 is adjusted in order to incline the holder 7 in a fine angle in the bending direction of the formed product utilizing the spherical planes 8, 12, and then, the holder 7 is fixed using the screw 19. By this adjustment, the relative inclination between the forming land 4 and the extruding direction for the material is changed, and the bend of the formed product is straightened.
COPYRIGHT: (C)1981,JPO&Japio
JP11574579A 1979-09-11 1979-09-11 Method and apparatus for straightening bend of extruded product Pending JPS5641013A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11574579A JPS5641013A (en) 1979-09-11 1979-09-11 Method and apparatus for straightening bend of extruded product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11574579A JPS5641013A (en) 1979-09-11 1979-09-11 Method and apparatus for straightening bend of extruded product

Publications (1)

Publication Number Publication Date
JPS5641013A true JPS5641013A (en) 1981-04-17

Family

ID=14669997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11574579A Pending JPS5641013A (en) 1979-09-11 1979-09-11 Method and apparatus for straightening bend of extruded product

Country Status (1)

Country Link
JP (1) JPS5641013A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001058613A1 (en) * 2000-02-10 2001-08-16 WKW Erbslöh Automotive GmbH Method and device for producing curved extruded profiles
CN103537543A (en) * 2012-07-12 2014-01-29 北京爱康宜诚医疗器材股份有限公司 Center control body stamping die

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001058613A1 (en) * 2000-02-10 2001-08-16 WKW Erbslöh Automotive GmbH Method and device for producing curved extruded profiles
US6634200B2 (en) 2000-02-10 2003-10-21 Wkw Erbsloeh Automotive Gmbh Method and device for producing curved extruded profiles
CN103537543A (en) * 2012-07-12 2014-01-29 北京爱康宜诚医疗器材股份有限公司 Center control body stamping die

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