JPS55109526A - Regenerating method for die - Google Patents

Regenerating method for die

Info

Publication number
JPS55109526A
JPS55109526A JP1581179A JP1581179A JPS55109526A JP S55109526 A JPS55109526 A JP S55109526A JP 1581179 A JP1581179 A JP 1581179A JP 1581179 A JP1581179 A JP 1581179A JP S55109526 A JPS55109526 A JP S55109526A
Authority
JP
Japan
Prior art keywords
die
curve
stamping
etching
solution
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
JP1581179A
Other languages
Japanese (ja)
Inventor
Yasuo Kasai
Sueji Chabata
Masahiro Furuguchi
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.)
Fujikura Ltd
Original Assignee
Fujikura 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 Fujikura Ltd filed Critical Fujikura Ltd
Priority to JP1581179A priority Critical patent/JPS55109526A/en
Publication of JPS55109526A publication Critical patent/JPS55109526A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To regenerate the die, and to make possible the long-term reuse, by applying the etching to entire surface on the stamping side of the die.
CONSTITUTION: The surface of the die 1 is thoroughly degreased and cleaned with the solvent, and the surface except the stamping side is covered with the masking tape 5; and the entire stamping surface is etched. The ferric chloride solution is employed for the etching work; the old solution used in manufacturing the die is better than the fresh solution because of the milder action giving better result. By several times repeating the dipping of the stamping side of the die into the etching solution in order to etch entire surface; the condition of die surface gradually transfers from the curve A, curve B, to the curve C; hereby, the die edge 2 becomes sharp, and the sharpness and the stripping property are restored. Hereupon, since the inner moat of the die is formed slightly shallow, if the inner moat is prepared so as to be deep before the die is to be manufactured, several repetitions of regeneration and reuse become possible.
COPYRIGHT: (C)1980,JPO&Japio
JP1581179A 1979-02-14 1979-02-14 Regenerating method for die Pending JPS55109526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1581179A JPS55109526A (en) 1979-02-14 1979-02-14 Regenerating method for die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1581179A JPS55109526A (en) 1979-02-14 1979-02-14 Regenerating method for die

Publications (1)

Publication Number Publication Date
JPS55109526A true JPS55109526A (en) 1980-08-23

Family

ID=11899220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1581179A Pending JPS55109526A (en) 1979-02-14 1979-02-14 Regenerating method for die

Country Status (1)

Country Link
JP (1) JPS55109526A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1435269A1 (en) * 2003-01-06 2004-07-07 General Motors Corporation Method of reducing cycle time for metal forming

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1435269A1 (en) * 2003-01-06 2004-07-07 General Motors Corporation Method of reducing cycle time for metal forming

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