JPH01125114U - - Google Patents
Info
- Publication number
- JPH01125114U JPH01125114U JP1922988U JP1922988U JPH01125114U JP H01125114 U JPH01125114 U JP H01125114U JP 1922988 U JP1922988 U JP 1922988U JP 1922988 U JP1922988 U JP 1922988U JP H01125114 U JPH01125114 U JP H01125114U
- Authority
- JP
- Japan
- Prior art keywords
- rotation
- end mill
- cutting portion
- axis
- locus around
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Milling Processes (AREA)
Description
第１図は本考案の一実施例を説明するための正
面図、第２図は同上の底面図、第３図はボールエ
ンドミルの従来例を示す正面図、第４図は同上の
底面図、第５図は従来例の欠点を説明するための
図である。
１１……エンドミル本体、１３……先端切刃チ
ツプ、１３ａ……円弧状部、１３ｂ……フラツト
部。
Fig. 1 is a front view for explaining an embodiment of the present invention, Fig. 2 is a bottom view of the same as above, Fig. 3 is a front view showing a conventional example of a ball end mill, Fig. 4 is a bottom view of the same as above, FIG. 5 is a diagram for explaining the drawbacks of the conventional example. DESCRIPTION OF SYMBOLS 11... End mill main body, 13... Tip cutting blade tip, 13a... Arc-shaped part, 13b... Flat part.
Claims (1)
面状となる第１切削部と、該第１切削部よりエン
ドミル本体先端側に前記第１切削部に連なつて設
けられると共に、前記第１切削部の回転半径より
小さな所定回転半径を有しかつ前記回転軸回りの
回転軌跡が前記回転軸と略直交する平面状となる
第２切削部と、を備えたことを特徴とするボール
エンドミルカツタ。 a first cutting part whose rotation locus around the rotational axis of the end mill body is approximately spherical; a second cutting portion having a predetermined rotation radius smaller than the rotation radius of the ball end mill cutter, and a second cutting portion having a rotation locus around the rotation axis that is substantially perpendicular to the rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1922988U JPH01125114U (en) | 1988-02-18 | 1988-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1922988U JPH01125114U (en) | 1988-02-18 | 1988-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01125114U true JPH01125114U (en) | 1989-08-25 |
Family
ID=31234551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1922988U Pending JPH01125114U (en) | 1988-02-18 | 1988-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01125114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03123613U (en) * | 1990-03-30 | 1991-12-16 |
-
1988
- 1988-02-18 JP JP1922988U patent/JPH01125114U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03123613U (en) * | 1990-03-30 | 1991-12-16 |