JPH0184914U - - Google Patents
Info
- Publication number
- JPH0184914U JPH0184914U JP1987179343U JP17934387U JPH0184914U JP H0184914 U JPH0184914 U JP H0184914U JP 1987179343 U JP1987179343 U JP 1987179343U JP 17934387 U JP17934387 U JP 17934387U JP H0184914 U JPH0184914 U JP H0184914U
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- tip
- end mill
- small cutting
- ball end
- 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〜第11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図は底面図、第4図は第1図
の“A”部拡大図、第5図は第3図の“B”部拡
大図、第6図は装着されているチツプを示す正面
図、第7図は第6図の−線視側面図、第8図
は第6図の−線視図、第9図は第6図の−
線視断面図、第10図はチツプの装着状態を示
す斜視図、第11図はチツプ装着部の断面図、第
12図〜第14図は従来のボールエンドミルを示
すもので、第12図は正面図、第13図は先端部
の側断面図、第14図は底面図である。
10……エンドミル本体、20……チップ(ス
ローアウエイチツプ)、21……上面(すくい面
)、22……下面(着座面)、23,24……側
面、26……切刃、27……小切刃、28……凸
曲面。
Figures 1 to 11 show an embodiment of the ball end mill of this invention, with Figure 1 being a front view, Figure 2 being a side view, Figure 3 being a bottom view, and Figure 4 being the same as Figure 1. 5 is an enlarged view of the "B" part of FIG. 3, FIG. 6 is a front view showing the installed chip, and FIG. 7 is a side view of FIG. , FIG. 8 is a - line view of FIG. 6, and FIG. 9 is a - line view of FIG. 6.
10 is a perspective view showing the state in which the tip is attached, FIG. 11 is a sectional view of the tip attachment part, FIGS. 12 to 14 show a conventional ball end mill, and FIG. FIG. 13 is a front view, FIG. 13 is a side sectional view of the tip, and FIG. 14 is a bottom view. 10... End mill body, 20... Tip (throwaway tip), 21... Top surface (rake surface), 22... Bottom surface (seating surface), 23, 24... Side surface, 26... Cutting blade, 27... Small cutting blade, 28...Convex curved surface.
Claims (1)
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、上記スローアウ
エイチツプは、上記円弧状の切刃の先端はこれと
鈍角に交わる小切刃が形成され、かつ上記小切刃
と切刃の先端部とに沿うすくい面全体がこのスロ
ーアウエイチツプの中央側から上記小切刃側に向
けて漸次着座面側に近付く凸状面によつて形成さ
れているとともに、その切刃の先端を上記エンド
ミル本体の軸線近傍に位置させかつ上記小切刃を
上記軸線を横切らせて上記エンドミル本体の基端
側に後退するように位置させて装着されているこ
とを特徴とするボールエンドミル。 In a ball end mill in which a throw-away tip is attached to the outer periphery of the tip of the end mill body with its arc-shaped cutting edge positioned from the outer periphery of the end mill body to the tip side, the throw-away tip has the arc-shaped The tip of the cutting edge is formed with a small cutting edge that intersects with the small cutting edge at an obtuse angle, and the entire rake face along the small cutting edge and the tip of the cutting edge extends from the center side of this indexable tip to the small cutting edge side. The tip of the cutting edge is located near the axis of the end mill body, and the small cutting edge is made to cross the axis of the end mill body. A ball end mill characterized in that the ball end mill is mounted so as to be retracted toward the proximal end of the ball end mill.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987179343U JPH0744409Y2 (en) | 1987-11-25 | 1987-11-25 | Ball end mill |
DE3807119A DE3807119A1 (en) | 1987-03-04 | 1988-03-04 | BALL MILLING |
US07/164,442 US4898499A (en) | 1987-03-04 | 1988-03-04 | Ball end mill |
DE3844788A DE3844788C2 (en) | 1987-03-04 | 1988-03-04 | |
DE3844785A DE3844785C2 (en) | 1987-03-04 | 1988-03-04 | |
DE3844787A DE3844787C2 (en) | 1987-03-04 | 1988-03-04 | |
KR2019880003626U KR950001370Y1 (en) | 1987-03-19 | 1988-03-18 | Ball end mill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987179343U JPH0744409Y2 (en) | 1987-11-25 | 1987-11-25 | Ball end mill |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0184914U true JPH0184914U (en) | 1989-06-06 |
JPH0744409Y2 JPH0744409Y2 (en) | 1995-10-11 |
Family
ID=31470902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987179343U Expired - Lifetime JPH0744409Y2 (en) | 1987-03-04 | 1987-11-25 | Ball end mill |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0744409Y2 (en) |
-
1987
- 1987-11-25 JP JP1987179343U patent/JPH0744409Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0744409Y2 (en) | 1995-10-11 |