JPH0270920U - - Google Patents
Info
- Publication number
- JPH0270920U JPH0270920U JP15091988U JP15091988U JPH0270920U JP H0270920 U JPH0270920 U JP H0270920U JP 15091988 U JP15091988 U JP 15091988U JP 15091988 U JP15091988 U JP 15091988U JP H0270920 U JPH0270920 U JP H0270920U
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- cutting blade
- cutting edge
- auxiliary
- main cutting
- 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
- 239000000919 ceramic Substances 0.000 claims 1
Landscapes
- Milling Processes (AREA)
Description
図は、いずれも本考案になるボールエンドミル
を説明するために用いたものであつて、第１図は
正面図、第２図は第１図の底面図、第３図は第１
図の要部を拡大した正面図であつて、第４図およ
び第５図は主切刃を示したもので、その第４図は
正面図、第５図は第４図の底面図、第６図および
第７図は補助切刃を示したもので、その第６図は
正面図、第７図は第６図の底面図などである。
１……シヤンク、２……主切刃、３……補助切
刃、１１，１２……チツプ座、２２ａ，２２ｂ，
３２ａ，３２ｂ……取付基準面、２３ａ……凸状
切刃、２３ｂ……凸状すくい面、２４……稜線、
３４……切刃。
The figures are used to explain the ball end mill according to the present invention, and Fig. 1 is a front view, Fig. 2 is a bottom view of Fig. 1, and Fig. 3 is a bottom view of Fig. 1.
FIGS. 4 and 5 are enlarged front views of the main parts of the figure, showing the main cutting edge. FIG. 4 is a front view, FIG. 5 is a bottom view of FIG. 6 and 7 show the auxiliary cutting blade, with FIG. 6 being a front view and FIG. 7 being a bottom view of FIG. 6. 1...Shank, 2...Main cutting edge, 3...Auxiliary cutting edge, 11, 12...Chip seat, 22a, 22b,
32a, 32b...Mounting reference surface, 23a...Convex cutting edge, 23b...Convex rake surface, 24...Ridge line,
34... Cutting blade.
Claims (1)
主切刃と、セラミツクスからなる補助切刃を工具
回転時の投影が略半球状となるように配置し、該
主切刃は軸中心部から凸状切刃の終端付近までを
切削に関与させるようにし、補助切刃を前記主切
刃の終端部切削域から工具外周側の切削をおこな
わせるようにしたことを特徴とするボールエンド
ミル。 A main cutting edge made of cemented carbide and an auxiliary cutting edge made of ceramics are arranged at the tip of the shank of the rotary tool so that the projection when the tool rotates is approximately hemispherical, and the main cutting edge is convex from the center of the shaft. A ball end mill characterized in that the auxiliary cutting blade is made to participate in cutting up to the vicinity of the end of the main cutting blade, and the auxiliary cutting blade is made to perform cutting from the cutting area of the end of the main cutting blade to the outer circumferential side of the tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15091988U JPH0270920U (en) | 1988-11-18 | 1988-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15091988U JPH0270920U (en) | 1988-11-18 | 1988-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0270920U true JPH0270920U (en) | 1990-05-30 |
Family
ID=31424495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15091988U Pending JPH0270920U (en) | 1988-11-18 | 1988-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0270920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010050390A1 (en) * | 2008-10-29 | 2010-05-06 | 住友電工ハードメタル株式会社 | Ball end mill |
-
1988
- 1988-11-18 JP JP15091988U patent/JPH0270920U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010050390A1 (en) * | 2008-10-29 | 2010-05-06 | 住友電工ハードメタル株式会社 | Ball end mill |