JPH02108518U - - Google Patents

Info

Publication number
JPH02108518U
JPH02108518U JP1654889U JP1654889U JPH02108518U JP H02108518 U JPH02108518 U JP H02108518U JP 1654889 U JP1654889 U JP 1654889U JP 1654889 U JP1654889 U JP 1654889U JP H02108518 U JPH02108518 U JP H02108518U
Authority
JP
Japan
Prior art keywords
drawing punch
tip
punch
rounded
metal plate
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
JP1654889U
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 JP1654889U priority Critical patent/JPH02108518U/ja
Publication of JPH02108518U publication Critical patent/JPH02108518U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Description

【図面の簡単な説明】
第1図〜第3図はプレス加工の工程説明図で、
第1図は加工前、第2図は加工中、第3図は加工
終了を示し、第4図は段付絞りパンチの説明図、
第5図は第4図の要部の拡大図、第6図は従来例
による金属板の絞り状況を示す説明図である。 1…金属板、2…段付絞りパンチ、2a…丸味
部、3…絞りダイス、8a,8b…溝。

Claims (1)

    【実用新案登録請求の範囲】
  1. 円柱形状で先端部に丸味を有する絞りパンチと
    、前記丸味に合致した凹部を有する絞りダイスに
    て金属板を張り出し成形する絞りパンチに於いて
    、前記絞りパンチの先端部の丸味形状を有する表
    面に、中心線に対して直角方向に溝を複数設けた
    段付絞りパンチ。
JP1654889U 1989-02-15 1989-02-15 Pending JPH02108518U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1654889U JPH02108518U (ja) 1989-02-15 1989-02-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1654889U JPH02108518U (ja) 1989-02-15 1989-02-15

Publications (1)

Publication Number Publication Date
JPH02108518U true JPH02108518U (ja) 1990-08-29

Family

ID=31229576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1654889U Pending JPH02108518U (ja) 1989-02-15 1989-02-15

Country Status (1)

Country Link
JP (1) JPH02108518U (ja)

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