JPS5977520U - Punch cutter in press punching machine - Google Patents

Punch cutter in press punching machine

Info

Publication number
JPS5977520U
JPS5977520U JP17264782U JP17264782U JPS5977520U JP S5977520 U JPS5977520 U JP S5977520U JP 17264782 U JP17264782 U JP 17264782U JP 17264782 U JP17264782 U JP 17264782U JP S5977520 U JPS5977520 U JP S5977520U
Authority
JP
Japan
Prior art keywords
punching machine
press punching
punch cutter
cutter
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
JP17264782U
Other languages
Japanese (ja)
Inventor
輪島　功一
実 角田
隆 吉田
荒金　光治
Original Assignee
富士金属株式会社
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 富士金属株式会社 filed Critical 富士金属株式会社
Priority to JP17264782U priority Critical patent/JPS5977520U/en
Publication of JPS5977520U publication Critical patent/JPS5977520U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図ａ、　　ｂは従来のせん削加工による被加工板の
せん断状態の説明図、第２図は従来法によるせん断切口
の拡大断面図、第３図ａ　”−ｄ、および第４図はいず
れもこの考案の一実施例を示すもので、第３図ａ　”−
ｄはポンチの形状と被加工板のせん断状態の説明図、第
４図はせん断切口の断面図である。Figures 1a and b are explanatory diagrams of the sheared state of the workpiece plate by conventional shearing, Figure 2 is an enlarged sectional view of the sheared cut by the conventional method, Figures 3a''-d, and Figure 4 are All of them show an example of this invention.
d is an explanatory diagram of the shape of the punch and the sheared state of the workpiece plate, and FIG. 4 is a sectional view of the sheared cut.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] プレス打抜機におけるポンチ刃物の先端縁辺に前記刃物
で打抜かれるべき被加工板の板厚の５〜１５％に相当す
る段差を有し、かつ前記板厚の１５〜３０％の長さを有
する切欠部を形成したことを特徴とするプレス打抜機に
おけるポンチ刃物。A punch cutter in a press punching machine has a step on the edge of the tip corresponding to 5 to 15% of the thickness of the workpiece plate to be punched with the cutter, and has a length of 15 to 30% of the plate thickness. A punch blade for a press punching machine, characterized in that a notch is formed.
JP17264782U 1982-11-15 1982-11-15 Punch cutter in press punching machine Pending JPS5977520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17264782U JPS5977520U (en) 1982-11-15 1982-11-15 Punch cutter in press punching machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17264782U JPS5977520U (en) 1982-11-15 1982-11-15 Punch cutter in press punching machine

Publications (1)

Publication Number Publication Date
JPS5977520U true JPS5977520U (en) 1984-05-25

Family

ID=30376291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17264782U Pending JPS5977520U (en) 1982-11-15 1982-11-15 Punch cutter in press punching machine

Country Status (1)

Country Link
JP (1) JPS5977520U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4844548A (en) * 1971-10-11 1973-06-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4844548A (en) * 1971-10-11 1973-06-26

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