JPH02145922U - - Google Patents
Info
- Publication number
- JPH02145922U JPH02145922U JP5499389U JP5499389U JPH02145922U JP H02145922 U JPH02145922 U JP H02145922U JP 5499389 U JP5499389 U JP 5499389U JP 5499389 U JP5499389 U JP 5499389U JP H02145922 U JPH02145922 U JP H02145922U
- Authority
- JP
- Japan
- Prior art keywords
- cutting grooves
- cutting
- degrees
- utility
- respect
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Description
第１図は本考案の実施例において中間部を省略
したシエルの半断面正面図、第２図は第１図の実
施例でシエルに形成される３条切刃溝の歯群にお
ける各切刃を展開して模式的に示す図、第３図は
切刃溝の傾斜角が小さい場合の切刃に作用する力
についてその軸方向成分と周方向成分との各分力
の状況を説明する図、第４図は切刃溝の傾斜角が
大きい場合の切刃に作用する力についてその軸方
向成分と周方向成分との各分力の状況を説明する
図である。
１……シエル、２……歯、３……切刃、４……
切刃溝、α……切刃溝の傾斜角、β……歯列の捩
れ角。
Fig. 1 is a half-sectional front view of the shell in the embodiment of the present invention with the intermediate portion omitted, and Fig. 2 shows each cutting edge in the tooth group of the three-row cutting groove formed in the shell in the embodiment of Fig. 1. Fig. 3 is a diagram illustrating the axial component and circumferential component of the force acting on the cutting edge when the inclination angle of the cutting groove is small. FIG. 4 is a diagram illustrating the state of the axial component and circumferential component of the force acting on the cutting edge when the inclination angle of the cutting edge groove is large. 1... Ciel, 2... Teeth, 3... Cutting blade, 4...
Cutting groove, α...Inclination angle of cutting groove, β...Torsion angle of tooth row.
Claims (1)
方向αが周方向に対して１０度以下であることを
特徴とするヘリカルブローチ。 A helical broach characterized in that it has three twisted cutting grooves 4, and the inclination direction α of the cutting grooves 4 is 10 degrees or less with respect to the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5499389U JPH088019Y2 (en) | 1989-05-12 | 1989-05-12 | Helical brooch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5499389U JPH088019Y2 (en) | 1989-05-12 | 1989-05-12 | Helical brooch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02145922U true JPH02145922U (en) | 1990-12-11 |
| JPH088019Y2 JPH088019Y2 (en) | 1996-03-06 |
Family
ID=31577552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5499389U Expired - Lifetime JPH088019Y2 (en) | 1989-05-12 | 1989-05-12 | Helical brooch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH088019Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096219A (en) * | 2000-07-21 | 2002-04-02 | Nachi Fujikoshi Corp | Helical broach |
-
1989
- 1989-05-12 JP JP5499389U patent/JPH088019Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096219A (en) * | 2000-07-21 | 2002-04-02 | Nachi Fujikoshi Corp | Helical broach |
| JP4678746B2 (en) * | 2000-07-21 | 2011-04-27 | 株式会社不二越 | Helical brooch |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH088019Y2 (en) | 1996-03-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |