JPH0365614U - - Google Patents
Info
- Publication number
- JPH0365614U JPH0365614U JP12544789U JP12544789U JPH0365614U JP H0365614 U JPH0365614 U JP H0365614U JP 12544789 U JP12544789 U JP 12544789U JP 12544789 U JP12544789 U JP 12544789U JP H0365614 U JPH0365614 U JP H0365614U
- Authority
- JP
- Japan
- Prior art keywords
- region
- cutting edge
- chisel
- cuts
- end mill
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Milling Processes (AREA)
Description
第１図、第２図、第３図、第４図は本考案の第
１実施例のボールエンドミルをそれぞれ示す概要
図、第５図、第６図は、第２実施例のボールエン
ドミルを示す概要図、第７図は本考案の第１実施
例および従来のボールエンドミルによる仕上げ面
粗さ値を示す線図、第８図、第９図は本考案の第
１実施例および従来のボールエンドミルによる切
削力をそれぞれ示す線図、第１０図、第１１図は
第３実施例のエンドミルをそれぞれ示す正面図、
底面図である。
１，１０，２０……ボールエンドミル、２……
円弧状切刃、３……外周切刃、４，４０，４１…
…凹所、Ａ，Ａ′……シンニング端。
Figures 1, 2, 3, and 4 are schematic diagrams showing a ball end mill according to a first embodiment of the present invention, and Figures 5 and 6 show a ball end mill according to a second embodiment. A schematic diagram, FIG. 7 is a diagram showing the finished surface roughness values of the first embodiment of the present invention and the conventional ball end mill, and FIGS. 8 and 9 are the diagrams of the first embodiment of the present invention and the conventional ball end mill. 10 and 11 are front views showing the end mill of the third embodiment, respectively.
It is a bottom view. 1, 10, 20... Ball end mill, 2...
Arc-shaped cutting edge, 3...Outer cutting edge, 4, 40, 41...
...Recess, A, A'... Thinning end.
Claims (1)
くとも正面側を切削する底面が曲線状切刃と側面
を切削する外周切刃を有し、該底面形状を回転中
心に対して曲線状切刃のすくい面と逃げ面の曲率
中心をそれぞれ偏心配置し、前記両面の接続部に
おけるチゼル領域を含む領域内に凹所を形成する
と共に該チゼル領域端が各底面部より少なくとも
高さ０．１mmの位置に設けたことを特徴とするエ
ンドミル。 The main chip provided at the end of the shank body has a bottom surface that cuts at least the front side with a curved cutting edge and a peripheral cutting edge that cuts the side surface. The centers of curvature of the face and the flank are arranged eccentrically, and a recess is formed in a region including the chisel region at the connecting portion of both surfaces, and the end of the chisel region is at a position at least 0.1 mm in height from each bottom surface. An end mill characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12544789U JPH0365614U (en) | 1989-10-26 | 1989-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12544789U JPH0365614U (en) | 1989-10-26 | 1989-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365614U true JPH0365614U (en) | 1991-06-26 |
Family
ID=31673317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12544789U Pending JPH0365614U (en) | 1989-10-26 | 1989-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365614U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10151511A (en) * | 1996-11-25 | 1998-06-09 | Hitachi Tool Eng Co Ltd | Multiblade ball end mill |
| JP2002187011A (en) * | 2000-12-21 | 2002-07-02 | Osg Corp | Multi-blade ball end mill |
| WO2007046131A1 (en) * | 2005-10-18 | 2007-04-26 | Osg Corporation | Ball end mill |
| WO2009060833A1 (en) * | 2007-11-07 | 2009-05-14 | Toyota Jidosha Kabushiki Kaisha | Ball end mill |
-
1989
- 1989-10-26 JP JP12544789U patent/JPH0365614U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10151511A (en) * | 1996-11-25 | 1998-06-09 | Hitachi Tool Eng Co Ltd | Multiblade ball end mill |
| JP2002187011A (en) * | 2000-12-21 | 2002-07-02 | Osg Corp | Multi-blade ball end mill |
| WO2007046131A1 (en) * | 2005-10-18 | 2007-04-26 | Osg Corporation | Ball end mill |
| WO2009060833A1 (en) * | 2007-11-07 | 2009-05-14 | Toyota Jidosha Kabushiki Kaisha | Ball end mill |