JPH0172917U - - Google Patents

Info

Publication number
JPH0172917U
JPH0172917U JP1987165656U JP16565687U JPH0172917U JP H0172917 U JPH0172917 U JP H0172917U JP 1987165656 U JP1987165656 U JP 1987165656U JP 16565687 U JP16565687 U JP 16565687U JP H0172917 U JPH0172917 U JP H0172917U
Authority
JP
Japan
Prior art keywords
punch
tip
punch body
mounting base
inner radius
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
JP1987165656U
Other languages
Japanese (ja)
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 JP1987165656U priority Critical patent/JPH0172917U/ja
Publication of JPH0172917U publication Critical patent/JPH0172917U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案のポンチを含むバーリング加工
装置の一例を示す要部断面図、第２図は第１図の
作動説明図、第３図は第１図のポンチ先端部の拡
大図、第４図は従来のバーリング加工方法を示す
説明図である。 １……ワーク、４……フランジ部、１０……小
径部、１１……ポンチボデイ、１２……先端面、
１３……ポンチ、１４……取付基部、１５……内
アール面取部。 Fig. 1 is a sectional view of essential parts showing an example of a burring processing device including the punch of the present invention, Fig. 2 is an explanatory diagram of the operation of Fig. 1, Fig. 3 is an enlarged view of the tip of the punch shown in Fig. FIG. 4 is an explanatory diagram showing a conventional burring method. 1...Workpiece, 4...Flange part, 10...Small diameter part, 11...Punch body, 12...Tip surface,
13...Punch, 14...Mounting base, 15...Inner radius chamfer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ポンチボデイの先端部外周に、ポンチボデイの
先端面から取付基部側に向かつて次第にボデイ直
径が大きくなる内アール面取加工を施すことによ
り、ポンチボデイの先端部に小径部を形成したこ
とを特徴とするバーリング加工用ポンチ。 A bur ring characterized in that a small-diameter portion is formed at the tip of the punch body by performing inner radius chamfering on the outer periphery of the tip of the punch body so that the body diameter gradually increases from the tip surface of the punch body toward the mounting base side. Punch for processing.
JP1987165656U 1987-10-29 1987-10-29 Pending JPH0172917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987165656U JPH0172917U (en) 1987-10-29 1987-10-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987165656U JPH0172917U (en) 1987-10-29 1987-10-29

Publications (1)

Publication Number Publication Date
JPH0172917U true JPH0172917U (en) 1989-05-17

Family

ID=31452341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987165656U Pending JPH0172917U (en) 1987-10-29 1987-10-29

Country Status (1)

Country Link
JP (1) JPH0172917U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006035305A (en) * 2004-07-30 2006-02-09 Daiwa House Ind Co Ltd Punching tool
JP2014172089A (en) * 2013-03-13 2014-09-22 Nippon Steel & Sumitomo Metal Bar ring processing punch and bar ring processing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006035305A (en) * 2004-07-30 2006-02-09 Daiwa House Ind Co Ltd Punching tool
JP2014172089A (en) * 2013-03-13 2014-09-22 Nippon Steel & Sumitomo Metal Bar ring processing punch and bar ring processing method

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