JPS6142217U - round brooch - Google Patents

round brooch

Info

Publication number
JPS6142217U
JPS6142217U JP12906084U JP12906084U JPS6142217U JP S6142217 U JPS6142217 U JP S6142217U JP 12906084 U JP12906084 U JP 12906084U JP 12906084 U JP12906084 U JP 12906084U JP S6142217 U JPS6142217 U JP S6142217U
Authority
JP
Japan
Prior art keywords
blade
area
group
round
rough finishing
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
JP12906084U
Other languages
Japanese (ja)
Other versions
JPS6346187Y2 (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 JP12906084U priority Critical patent/JPS6142217U/en
Publication of JPS6142217U publication Critical patent/JPS6142217U/en
Application granted granted Critical
Publication of JPS6346187Y2 publication Critical patent/JPS6346187Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Milling, Broaching, Filing, Reaming, And Others (AREA)

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図ぽ本考案の一実施例に係る．丸ブローチの多段飛
び刃群中の三組の半断面図、第２，３図は従来の丸ブロ
ーチの側面図及び要部半断面図である。 １・・・丸ブローチ、１ａ・・・切刃、２，３．４・・
・組、５・・・被加工物。Figure 1 shows an example of the present invention. FIGS. 2 and 3 are half-sectional views of three sets in the multi-stage flying blade group of the round broach, and FIGS. 2 and 3 are a side view and a half-sectional view of the main part of a conventional round broach. 1... Round broach, 1a... Cutting blade, 2, 3.4...
・Group, 5...Workpiece.

Claims (1)

【実用新案登録請求の範囲】 荒仕上げ刃嶺域１１及び中往上げ刃領域１２において、
少なくとも、荒仕上げ刃領域１２の最前部又は荒仕上げ
刃領域１２と中仕上げ刃領域１１との境界部に、多段飛
び刃群を備え、 該多段飛び刃群は、前後複数個の切刃１ａで構成される
組２， ３． ４を複数個備え、同一組内では各切
刃の刃高を同一とする一方、組毎に切刃の刃高を順次大
きくし、さ７らに各組を構成する領域の丸ブローチ軸方
向寸保法ｌを被加工物５の加工厚みＴより大としたこと
を特徴とする丸ブ一チ。[Claims for Utility Model Registration] In the rough finishing ridge area 11 and the intermediate raising blade area 12,
At least, a multi-stage flying blade group is provided at the forefront of the rough finishing blade area 12 or at the boundary between the rough finishing blade area 12 and the semi-finishing blade area 11, and the multi-stage flying blade group includes a plurality of front and rear cutting blades 1a. Groups 2, 3. 4, the blade height of each cutting blade is the same within the same group, while the blade height of the cutting blade is increased sequentially for each group, and the round broach axial direction of the area constituting each group is A round piece characterized in that the dimension L is larger than the processing thickness T of the workpiece 5.
JP12906084U 1984-08-24 1984-08-24 round brooch Granted JPS6142217U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12906084U JPS6142217U (en) 1984-08-24 1984-08-24 round brooch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12906084U JPS6142217U (en) 1984-08-24 1984-08-24 round brooch

Publications (2)

Publication Number Publication Date
JPS6142217U true JPS6142217U (en) 1986-03-18
JPS6346187Y2 JPS6346187Y2 (en) 1988-12-01

Family

ID=30687681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12906084U Granted JPS6142217U (en) 1984-08-24 1984-08-24 round brooch

Country Status (1)

Country Link
JP (1) JPS6142217U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014140949A (en) * 2013-01-25 2014-08-07 Mitsubishi Materials Corp Broach

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014140949A (en) * 2013-01-25 2014-08-07 Mitsubishi Materials Corp Broach

Also Published As

Publication number Publication date
JPS6346187Y2 (en) 1988-12-01

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