JPS56102318A - Forming method for metallic article provided with symmetrically v-shaped top and bottom ends - Google Patents

Forming method for metallic article provided with symmetrically v-shaped top and bottom ends

Info

Publication number
JPS56102318A
JPS56102318A JP460480A JP460480A JPS56102318A JP S56102318 A JPS56102318 A JP S56102318A JP 460480 A JP460480 A JP 460480A JP 460480 A JP460480 A JP 460480A JP S56102318 A JPS56102318 A JP S56102318A
Authority
JP
Japan
Prior art keywords
metallic article
bottom ends
metallic
deformed
shaped top
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
JP460480A
Other languages
Japanese (ja)
Inventor
Teruhito Kawakami
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP460480A priority Critical patent/JPS56102318A/en
Publication of JPS56102318A publication Critical patent/JPS56102318A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

PURPOSE: To manufacture a metallic article provided with the symmetrically V- shaped top and bottom ends in accuracy at low cost, by first forming both of top and bottom ends of a metallic strip into a deformed V-shape, and by bending back the shoulder part of this deformed V-shape.
CONSTITUTION: A metallic strip 2 is put on a V-block 4 provided with two V- grooves 4a and two gradients 4b; a V-punch 5, provided with two V-projections 5a and two gradients 5b, is pressed down onto the V-block 4; hereby, a metallic article 6, provided with top and bottom ends formed into a deformed V-shape, is prepared. Two lifting dies 8, respectively possessing a gradient plane 8a for touching and backing up the shoulder part 6a of the metallic article 6, are put on upper surface of the die holder 7 on its left and right ends; and a stripper plate 10, fittable to the flat part 6b of the metallic article 6, is tight set to the holder 7 using a bolt 9 interposing a spring 11. The metallic article 6 is put on the plate 10, and the pressure plate 12 is put on the metallic article 6; then, the pressure plate 12 is pressed down. The back 6a of the V-shaped metallic article 6 is raised while being backed up by the die 8, and the shoulder part 3 is bent back to the initial flat plane; hereby, a product 1 provided with V-shaped top and bottom ends is finished.
COPYRIGHT: (C)1981,JPO&Japio
JP460480A 1980-01-21 1980-01-21 Forming method for metallic article provided with symmetrically v-shaped top and bottom ends Pending JPS56102318A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP460480A JPS56102318A (en) 1980-01-21 1980-01-21 Forming method for metallic article provided with symmetrically v-shaped top and bottom ends

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP460480A JPS56102318A (en) 1980-01-21 1980-01-21 Forming method for metallic article provided with symmetrically v-shaped top and bottom ends

Publications (1)

Publication Number Publication Date
JPS56102318A true JPS56102318A (en) 1981-08-15

Family

ID=11588637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP460480A Pending JPS56102318A (en) 1980-01-21 1980-01-21 Forming method for metallic article provided with symmetrically v-shaped top and bottom ends

Country Status (1)

Country Link
JP (1) JPS56102318A (en)

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