JPS60172623U - Multi-stage skipping blade broach - Google Patents

Multi-stage skipping blade broach

Info

Publication number
JPS60172623U
JPS60172623U JP5832684U JP5832684U JPS60172623U JP S60172623 U JPS60172623 U JP S60172623U JP 5832684 U JP5832684 U JP 5832684U JP 5832684 U JP5832684 U JP 5832684U JP S60172623 U JPS60172623 U JP S60172623U
Authority
JP
Japan
Prior art keywords
blade
land width
cutting
stage
axial land
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
JP5832684U
Other languages
Japanese (ja)
Other versions
JPH0112903Y2 (en
Inventor
好夫 小林
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 JP5832684U priority Critical patent/JPS60172623U/en
Publication of JPS60172623U publication Critical patent/JPS60172623U/en
Application granted granted Critical
Publication of JPH0112903Y2 publication Critical patent/JPH0112903Y2/ja
Granted legal-status Critical Current

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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 drawings]

第１図は通常タイプのブローチの荒性上刃領域における
刃の配列状況を示す要部断面説明図、第２図は従来例に
係る多段飛び方形ブローチの刃の配列状態を示す要部断
面説明図、第３図は第２図の縮小要部斜視図、第４図Ｉ
、　ＩＩは第２，３図によるブローチによりワークピー
スを切削する状況を説明する断面説明図、第５図は本考
案の実施例に係る多段飛び方形ブローチの断面説明図で
ある。 ｈ・・・切り込み増加量、Ｔ・・・刃、Ｔｉ、Ｔｉ−１
−２・・−・前刃、Ｔｉ＋ｌ、Ｔｉ±３・・・後刃、Ｎ
・・・ニック、Ｗ・・・ワークピース、Ｗｌ・・・切削
部、Ｗ２・・・切り残し切削部、ｔ・・・切刃、ａ・・
・側面、Ｐ□、Ｐ２・・・ピッチ、Ｌ・・・前刃のラン
ド幅、１・・・後刃のランド幅、Ｂ・・・チップルーム
、１′・・・チップルームの幅。Fig. 1 is a cross-sectional explanatory view of main parts showing the arrangement of blades in the rough upper blade region of a normal type broach, and Fig. 2 is a cross-sectional view of main parts showing the arrangement of blades of a conventional multi-step rectangular broach. Figure 3 is a reduced perspective view of the main part of Figure 2, Figure 4 I
, II is a cross-sectional explanatory view illustrating a situation in which a workpiece is cut by the broach shown in FIGS. 2 and 3, and FIG. 5 is a cross-sectional explanatory view of a multi-stage jumping square broach according to an embodiment of the present invention. h...increase in depth of cut, T...blade, Ti, Ti-1
-2...Front blade, Ti+l, Ti±3...Rear blade, N
...nick, W...workpiece, Wl...cutting part, W2...uncut cutting part, t...cutting edge, a...
- Side, P□, P2...Pitch, L...Land width of front blade, 1...Land width of rear blade, B...Chip room, 1'...Width of chip room.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）荒削刃領域において、複数枚の隣接刃を１組とし
、組毎に順次切刃の切り込み深さを大きくする一方、各
机内では切刃の切り込み深さを同一とし、各組における
前刃にニックを形成した多段飛び方形ブローチにおいて
、 各組における前刃の軸方向ランド幅を後刃の軸方向ラン
ド幅より大きくしたことを特徴とする多段飛び方形ブロ
ーチ。(1) In the rough cutting blade area, multiple adjacent blades are set as one set, and the cutting depth of the cutting blades is increased sequentially for each set, while the cutting depth of the cutting blades is the same in each machine, and each set is A multi-stage jumping rectangular broach having a nick formed in the front blade, characterized in that the axial land width of the front blade in each set is larger than the axial land width of the rear blade. （２）　　前刃の軸方向ランド幅と後刃の軸方向ランド
幅との比を（５〜６：３）としたことを特徴とする第１
項に記載の多段飛び方形ブローチ。(2) A first method characterized in that the ratio of the axial land width of the front blade to the axial land width of the rear blade is (5 to 6:3).
The multi-stage flying square brooch described in section.
JP5832684U 1984-04-19 1984-04-19 Multi-stage skipping blade broach Granted JPS60172623U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5832684U JPS60172623U (en) 1984-04-19 1984-04-19 Multi-stage skipping blade broach

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5832684U JPS60172623U (en) 1984-04-19 1984-04-19 Multi-stage skipping blade broach

Publications (2)

Publication Number Publication Date
JPS60172623U true JPS60172623U (en) 1985-11-15
JPH0112903Y2 JPH0112903Y2 (en) 1989-04-14

Family

ID=30583721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5832684U Granted JPS60172623U (en) 1984-04-19 1984-04-19 Multi-stage skipping blade broach

Country Status (1)

Country Link
JP (1) JPS60172623U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007229839A (en) * 2006-02-28 2007-09-13 Mitsubishi Heavy Ind Ltd Broach and broaching method
JP2014140949A (en) * 2013-01-25 2014-08-07 Mitsubishi Materials Corp Broach

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4310153Y1 (en) * 1965-07-30 1968-05-02
JPS5121192A (en) * 1974-08-14 1976-02-20 Seikosha Kk DODENSEISETSU CHAKUSHIITO

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4310153Y1 (en) * 1965-07-30 1968-05-02
JPS5121192A (en) * 1974-08-14 1976-02-20 Seikosha Kk DODENSEISETSU CHAKUSHIITO

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007229839A (en) * 2006-02-28 2007-09-13 Mitsubishi Heavy Ind Ltd Broach and broaching method
JP2014140949A (en) * 2013-01-25 2014-08-07 Mitsubishi Materials Corp Broach

Also Published As

Publication number Publication date
JPH0112903Y2 (en) 1989-04-14

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