JPS6142218U - brooch - Google Patents

brooch

Info

Publication number
JPS6142218U
JPS6142218U JP12906184U JP12906184U JPS6142218U JP S6142218 U JPS6142218 U JP S6142218U JP 12906184 U JP12906184 U JP 12906184U JP 12906184 U JP12906184 U JP 12906184U JP S6142218 U JPS6142218 U JP S6142218U
Authority
JP
Japan
Prior art keywords
cutting edge
clearance angle
cutting
finishing blade
blade
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.)
Granted
Application number
JP12906184U
Other languages
Japanese (ja)
Other versions
JPS6346188Y2 (en
Inventor
秀之 藤原
照久 白根
好夫 小林
啓文 山崎
Original Assignee
株式会社神戸製鋼所
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 株式会社神戸製鋼所 filed Critical 株式会社神戸製鋼所
Priority to JP12906184U priority Critical patent/JPS6142218U/en
Publication of JPS6142218U publication Critical patent/JPS6142218U/en
Application granted granted Critical
Publication of JPS6346188Y2 publication Critical patent/JPS6346188Y2/ja
Granted 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 drawings]

第１図は本考案の一実施例に係るブ９−チの荒仕上刃領
域と中仕上刃領域との境界部分の切刃の断面説明図、第
２図は従来のブローチの要部断面説明図、第３図は第２
図のブローチの荒仕上刃領域と中仕上刃領域との境界部
分の切刃の断面説明図である。 １， ２． ３・・・切刃、４，１３・・・再研削線
、１０・・・荒仕上刃領域、１１・・・中仕上刃領域、
１２・・・仕上刃領域。Fig. 1 is an explanatory cross-sectional view of the cutting edge at the boundary between the rough finishing blade area and the semi-finishing blade area of a broach according to an embodiment of the present invention, and Fig. 2 is an explanatory cross-sectional view of the main part of a conventional broach. Figure 3 is the second
FIG. 2 is an explanatory cross-sectional view of the cutting edge at the boundary between the rough finishing blade area and the semi-finishing blade area of the broach shown in the figure. 1, 2. 3... Cutting edge, 4, 13... Regrinding line, 10... Rough finishing blade area, 11... Medium finishing blade area,
12... Finishing blade area.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 切込み量が一定でかつ逃げ角φ１が一定である複数の切
刃よりなる荒仕上刃領域１０と、切込み量が順次漸減し
かつ逃げ角φ２−が上記荒仕上刃領域の切刃の逃げ角φ
より小さい複数の切刃よりなる中仕切刃領域１１を備え
たブローチにお０て、上記両領域の境界部に、刃高調節
用切刃２を備え、該切刃２は、逃げ角φ２が中仕上刃領
域１１の切刃３の逃げ角φ２と同じでかつ刃高が荒仕上
刃領域１０の最後部の切刃の刃高と同じであることを特
徴とするブローチ。A rough finishing blade region 10 consisting of a plurality of cutting blades with a constant depth of cut and a constant clearance angle φ1, and a clearance angle φ of the cutting blade in the rough finishing blade region where the depth of cut gradually decreases and the clearance angle φ2− is
The broach is equipped with an intermediate cutting edge region 11 consisting of a plurality of smaller cutting edges, and a cutting edge 2 for adjusting the blade height is provided at the boundary between the two regions, and the cutting edge 2 has a relief angle φ2. A broach characterized in that the clearance angle φ2 of the cutting edge 3 in the semi-finishing blade area 11 is the same as that of the cutting edge at the rearmost part of the rough finishing blade area 10.
JP12906184U 1984-08-24 1984-08-24 brooch Granted JPS6142218U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12906184U JPS6142218U (en) 1984-08-24 1984-08-24 brooch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12906184U JPS6142218U (en) 1984-08-24 1984-08-24 brooch

Publications (2)

Publication Number Publication Date
JPS6142218U true JPS6142218U (en) 1986-03-18
JPS6346188Y2 JPS6346188Y2 (en) 1988-12-01

Family

ID=30687682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12906184U Granted JPS6142218U (en) 1984-08-24 1984-08-24 brooch

Country Status (1)

Country Link
JP (1) JPS6142218U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013208661A (en) * 2012-03-30 2013-10-10 Mitsubishi Materials Corp Broach
JP2015155125A (en) * 2014-02-20 2015-08-27 株式会社不二越 Broach

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013208661A (en) * 2012-03-30 2013-10-10 Mitsubishi Materials Corp Broach
JP2015155125A (en) * 2014-02-20 2015-08-27 株式会社不二越 Broach

Also Published As

Publication number Publication date
JPS6346188Y2 (en) 1988-12-01

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