JPS6357026U - - Google Patents
Info
- Publication number
- JPS6357026U JPS6357026U JP15168386U JP15168386U JPS6357026U JP S6357026 U JPS6357026 U JP S6357026U JP 15168386 U JP15168386 U JP 15168386U JP 15168386 U JP15168386 U JP 15168386U JP S6357026 U JPS6357026 U JP S6357026U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- cutting
- finishing
- blade group
- guide
- 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
Links
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Description
第1図は本考案に係るヘリカルブローチの一実
施例において1条の各スプライン刃における各切
刃を模式的に示す説明図、第2図はヘリカルブロ
ーチの概略構成を示す部分省略正面図、第3図は
荒刃群の切削機構説明図、第4図はヘリカルブロ
ーチの使用態様図、第5図は従来技術によつて形
成される1条の各スプライン刃における各切刃を
模式的に示す説明図である。
1…仕上刃群、11…第1仕上刃群、12…第
2仕上刃群、2…スプライン刃、21…第1仕上
刃群のスプライン刃、22…第2仕上刃群のスプ
ライン刃、31…第1仕上刃群のスプライン刃の
切刃、32…第2仕上刃群のスプライン刃の切刃
、41…第1仕上刃群のスプライン刃の案内刃、
42…第2仕上刃群のスプライン刃の案内刃、5
…鋭角側側部、6…鈍角側側部、θ1…鋭角側側
部に形成される切刃の側面逃げ角、θ2…鈍角側
側部に形成される切刃の側面逃げ角、θ3,θ4
…それぞれの案内刃の側面逃げ角。
FIG. 1 is an explanatory diagram schematically showing each cutting edge of each spline blade in an embodiment of the helical broach according to the present invention, FIG. 2 is a partially omitted front view showing the schematic structure of the helical broach, and FIG. Figure 3 is an explanatory diagram of the cutting mechanism of the rough blade group, Figure 4 is a diagram of how the helical broach is used, and Figure 5 is a schematic diagram of each cutting edge in each spline blade formed by the conventional technique. It is an explanatory diagram. 1... Finishing blade group, 1 1 ... First finishing blade group, 1 2 ... Second finishing blade group, 2... Spline blade, 2 1 ... Spline blade of the first finishing blade group, 2 2 ... Second finishing blade group Spline blade, 3 1 ... Cutting edge of the spline blade of the first finishing blade group, 3 2 ... Cutting edge of the spline blade of the second finishing blade group, 4 1 ... Guide blade of the spline blade of the first finishing blade group,
4 2 ...Guide blade of spline blade of second finishing blade group, 5
...acute side side part, 6...obtuse side side part, θ 1 ... side relief angle of the cutting edge formed on the acute side side part, θ 2 ... side relief angle of the cutting edge formed on the obtuse side side part, θ 3 , θ 4
...Side clearance angle of each guide blade.
Claims (1)
プライン刃2が、該仕上刃群1の略前半部となる
第1仕上刃群11と略後半部となる第2仕上刃群
12とを構成し、 前記第1仕上刃群11のスプライン刃21は、
その鋭角側側部5または鈍角側側部6のいずれか
一方の同側部に、切り込み段差を有する切刃31
を形成するとともに他方の同側部に、切り込み段
差が0の案内刃41を形成し、 前記第2仕上刃群12のスプライン刃22は、
前記第1仕上刃群11とはそれぞれ逆の同側部に
切刃32および案内刃42を形成し、 前記切刃31および32のうち鈍角側側部6に
形成される切刃の側面逃げ角θ2を鋭角側側部5
に形成される切刃の側面逃げ角θ1より大きく設
定し、 前記案内刃41および42の側面逃げ角θ3お
よびθ4を0°より大きく且つ前記鋭角側側部5
の切刃の側面逃げ角θ1より小さく設定したこと
を特徴とするヘリカルブローチ。 (2) 前記切刃31および32の側面逃げ角θ1
およびθ2は20′以上1°以下の範囲で設定さ
れ、前記案内刃41および42の側面逃げ角θ3
およびθ4は0°を超え20′以下の範囲で設定
される実用新案登録請求の範囲第1項記載のヘリ
カルブローチ。[Claims for Utility Model Registration] (1) Each spline blade 2 of the finishing blade group 1 arranged in a spiral is a first finishing blade group 1 which is approximately the front half of the finishing blade group 1 . The spline blades 2 1 of the first finishing blade group 1 1 constitute the second finishing blade group 1 2 which is the latter half, and the spline blades 2 1 of the first finishing blade group 1 1 are
The cutting blade 3 1 has a cutting step on either the acute side 5 or the obtuse side 6.
and a guide blade 4 1 with a cutting step of 0 is formed on the other same side, and the spline blade 2 2 of the second finishing blade group 1 2 is
A cutting blade 32 and a guide blade 42 are formed on the same side opposite to the first finishing blade group 11 , and a cutting blade 32 and a guide blade 42 are formed on the obtuse side side 6 of the cutting blades 31 and 32 . The side relief angle θ 2 of the blade is set to the acute side 5
The side relief angles θ 3 and θ 4 of the guide blades 4 1 and 4 2 are set larger than 0°, and the side relief angles θ 3 and θ 4 of the guide blades 4 1 and 4 2 are set larger than 0°, and
A helical broach characterized in that the side relief angle θ of the cutting edge is set smaller than 1 . (2) Side relief angle θ 1 of the cutting edges 3 1 and 3 2
and θ 2 is set in the range of 20′ or more and 1° or less, and the side clearance angle θ 3 of the guide blades 4 1 and 4 2
and θ 4 is set in a range of more than 0° and less than 20', the helical brooch according to claim 1, which is a registered utility model.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15168386U JPH0214900Y2 (en) | 1986-10-02 | 1986-10-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15168386U JPH0214900Y2 (en) | 1986-10-02 | 1986-10-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6357026U true JPS6357026U (en) | 1988-04-16 |
JPH0214900Y2 JPH0214900Y2 (en) | 1990-04-23 |
Family
ID=31068975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15168386U Expired JPH0214900Y2 (en) | 1986-10-02 | 1986-10-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0214900Y2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008229743A (en) * | 2007-03-16 | 2008-10-02 | Mitsubishi Materials Corp | Integral helical broach and broach processing method |
JP2009107080A (en) * | 2007-10-31 | 2009-05-21 | Nachi Fujikoshi Corp | Helical broach for machining internal gear |
JP2014184532A (en) * | 2013-03-25 | 2014-10-02 | Mitsubishi Materials Corp | Spline broach |
JP2016074059A (en) * | 2014-10-07 | 2016-05-12 | いすゞ自動車株式会社 | Helical pinion cutter |
-
1986
- 1986-10-02 JP JP15168386U patent/JPH0214900Y2/ja not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008229743A (en) * | 2007-03-16 | 2008-10-02 | Mitsubishi Materials Corp | Integral helical broach and broach processing method |
JP4645608B2 (en) * | 2007-03-16 | 2011-03-09 | 三菱マテリアル株式会社 | Integrated helical broach and broaching method |
JP2009107080A (en) * | 2007-10-31 | 2009-05-21 | Nachi Fujikoshi Corp | Helical broach for machining internal gear |
JP2014184532A (en) * | 2013-03-25 | 2014-10-02 | Mitsubishi Materials Corp | Spline broach |
JP2016074059A (en) * | 2014-10-07 | 2016-05-12 | いすゞ自動車株式会社 | Helical pinion cutter |
Also Published As
Publication number | Publication date |
---|---|
JPH0214900Y2 (en) | 1990-04-23 |
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