JPH01101715U - - Google Patents
Info
- Publication number
- JPH01101715U JPH01101715U JP19720587U JP19720587U JPH01101715U JP H01101715 U JPH01101715 U JP H01101715U JP 19720587 U JP19720587 U JP 19720587U JP 19720587 U JP19720587 U JP 19720587U JP H01101715 U JPH01101715 U JP H01101715U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- end mill
- ball
- mounting seat
- radius
- 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
Landscapes
- Milling Processes (AREA)
Description
第１図および第２図はこの考案のボールエンド
ミルの一実施例を示すもので、第１図は正面図、
第２図は側面図、第３図および第４図はこの考案
の他の実施例を形状を示すもので、第３図は正面
図、第４図は側面図、第５図および第６図は従来
のボールエンドミルを示すもので、第５図は正面
図、第６図は側面図である。
１，２０，３０……エンドミル本体、２，２１
，３１……先端部、３，２２，３２……基端部、
５……チツプ取付座、５ａ……チツプ取付座の最
基端部、６，７……チツプ（スローアウエイチツ
プ）、２３，３３……大径部分の開始点。
Figures 1 and 2 show an embodiment of the ball end mill of this invention; Figure 1 is a front view;
Figure 2 is a side view, Figures 3 and 4 show the shape of other embodiments of this invention, Figure 3 is a front view, Figure 4 is a side view, Figures 5 and 6. 5 shows a conventional ball end mill, FIG. 5 is a front view, and FIG. 6 is a side view. 1, 20, 30... End mill body, 2, 21
, 31... distal end, 3, 22, 32... proximal end,
5... Chip mounting seat, 5a... Proximal end of tip mounting seat, 6, 7... Chip (throwaway chip), 23, 33... Starting point of large diameter portion.
Claims (1)
連なる基端部とが形成されたエンドミル本体のチ
ツプ取付座に、すくい面となる上面の稜線部に円
弧状の切刃が形成されたスローアウエイチツプが
、その円弧状の切刃を上記エンドミル本体の外周
側から先端側に位置させて装着されてなるボール
エンドミルにおいて、上記エンドミル本体の基端
部の半径を、上記先端部の半径より大径に形成し
たことを特徴とするボールエンドミル。 (2) 上記エンドミル本体の基端部において上記
先端部より大径となる開始点を、上記チツプ取付
座の最基端部の位置よりも先端側に位置させたこ
とを特徴とする実用新案登録請求の範囲第１項記
載のボールエンドミル。[Claims for Utility Model Registration] (1) At the tip mounting seat of the end mill body, which has a substantially hemispherical distal end and a proximal end connected thereto, a ridge line on the upper surface that becomes the rake surface. In a ball end mill in which a throw-away tip having an arcuate cutting edge is mounted with the arcuate cutting edge positioned from the outer circumferential side to the tip side of the end mill body, the tip is attached to the base end of the end mill body. A ball end mill characterized in that the radius is larger than the radius of the tip. (2) Registration of a utility model characterized in that the starting point of the base end of the end mill main body, which has a larger diameter than the tip end, is located closer to the tip side than the most proximal end of the tip mounting seat. A ball end mill according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987197205U JPH0737775Y2 (en) | 1987-12-25 | 1987-12-25 | Ball end mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987197205U JPH0737775Y2 (en) | 1987-12-25 | 1987-12-25 | Ball end mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01101715U true JPH01101715U (en) | 1989-07-10 |
| JPH0737775Y2 JPH0737775Y2 (en) | 1995-08-30 |
Family
ID=31487771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987197205U Expired - Lifetime JPH0737775Y2 (en) | 1987-12-25 | 1987-12-25 | Ball end mill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0737775Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61134812U (en) * | 1985-02-12 | 1986-08-22 |
-
1987
- 1987-12-25 JP JP1987197205U patent/JPH0737775Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61134812U (en) * | 1985-02-12 | 1986-08-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0737775Y2 (en) | 1995-08-30 |