JPS61152342U - - Google Patents

Info

Publication number
JPS61152342U
JPS61152342U JP3538885U JP3538885U JPS61152342U JP S61152342 U JPS61152342 U JP S61152342U JP 3538885 U JP3538885 U JP 3538885U JP 3538885 U JP3538885 U JP 3538885U JP S61152342 U JPS61152342 U JP S61152342U
Authority
JP
Japan
Prior art keywords
cutting edge
forms
button die
edge
piercing punch
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
JP3538885U
Other languages
English (en)
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 filed Critical
Priority to JP3538885U priority Critical patent/JPS61152342U/ja
Publication of JPS61152342U publication Critical patent/JPS61152342U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Punching Or Piercing (AREA)

Description

【図面の簡単な説明】
第1図はこの考案によるピアスポンチの一例を
示す正面図、第2図は第1図のピアスポンチと共
に使用するボタンダイの断面図、第3図乃至第5
図はそれぞれ第1図のピアスポンチと第2図のボ
タンダイを用いたピアス加工の工程を順次示した
断面図、第6図は第4図の工程におけるバリ発生
状態を拡大して示す断面図、第7図は従来のピア
スポンチを用いたピアス加工装置の一例を示す断
面図である。 1……ボタンダイ、1a……開口刃、2……加
工部材、15……ピアスポンチ、15a……第1
切刃、15b……第2切刃。

Claims (1)

    【実用新案登録請求の範囲】
  1. ボタンダイの開口刃との間に適正クリアランス
    を形成する第1切刃をピアスポンチの先端に設け
    ると共に、前記第1切刃の後方に、前記ボタンダ
    イの開口部との間に前記適正クリアランスより小
    さい極小クリアランスを形成する第2切刃を設け
    たことを特徴とするピアスポンチ。
JP3538885U 1985-03-14 1985-03-14 Pending JPS61152342U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3538885U JPS61152342U (ja) 1985-03-14 1985-03-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3538885U JPS61152342U (ja) 1985-03-14 1985-03-14

Publications (1)

Publication Number Publication Date
JPS61152342U true JPS61152342U (ja) 1986-09-20

Family

ID=30539619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3538885U Pending JPS61152342U (ja) 1985-03-14 1985-03-14

Country Status (1)

Country Link
JP (1) JPS61152342U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005095980A (ja) * 2003-08-19 2005-04-14 Nippon Steel Corp 鋼板の打ち抜き用工具およびそれを用いた打ち抜き方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53385B2 (ja) * 1972-07-26 1978-01-07
JPS577336A (en) * 1980-06-13 1982-01-14 Hiromi Hirabayashi Punching tool having punch and cutting blade coaxially

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53385B2 (ja) * 1972-07-26 1978-01-07
JPS577336A (en) * 1980-06-13 1982-01-14 Hiromi Hirabayashi Punching tool having punch and cutting blade coaxially

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005095980A (ja) * 2003-08-19 2005-04-14 Nippon Steel Corp 鋼板の打ち抜き用工具およびそれを用いた打ち抜き方法

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