JPS63172512U - - Google Patents
Info
- Publication number
- JPS63172512U JPS63172512U JP6505087U JP6505087U JPS63172512U JP S63172512 U JPS63172512 U JP S63172512U JP 6505087 U JP6505087 U JP 6505087U JP 6505087 U JP6505087 U JP 6505087U JP S63172512 U JPS63172512 U JP S63172512U
- Authority
- JP
- Japan
- Prior art keywords
- notch
- center
- sintered body
- opposite side
- rake angle
- 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
- 229910052582 BN Inorganic materials 0.000 claims 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims 1
- 229910003460 diamond Inorganic materials 0.000 claims 1
- 239000010432 diamond Substances 0.000 claims 1
Description
第１図は本考案の実施例を示す斜視図、第２図
はその正面図、第３図は平面図である。
２：頭部、３：第１の切欠部、４：第２の切欠
部、６：すくい面、７：すくい面、８：チツプ、
Ｏ：回転軸、α：アキシヤルすくい角、β：ラジ
アルすくい角。
FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a front view thereof, and FIG. 3 is a plan view thereof. 2: Head, 3: First notch, 4: Second notch, 6: Rake face, 7: Rake face, 8: Chip,
O: axis of rotation, α: axial rake angle, β: radial rake angle.
Claims (1)
にまで延びる第１の切欠部３とその反対側に位置
する第１の切欠部３よりも小さい第２の切欠部４
とを形成し、これらの切欠部３，４の側面に立方
晶窒化硼素焼結体又はダイヤモンド焼結体からな
るチツプ８を、アキシヤルすくい角αが正、ラジ
アルすくい角βが正で中心部へ向かい中心部の手
前で負となり、ラジアル方向から見た刃先の稜線
が中心を通るように接合してすくい面６，７を構
成したことを特徴とするボールエンドミル。 A first notch 3 extending beyond the rotation axis O to the opposite side of the spherical head 2 and a second notch 4 smaller than the first notch 3 located on the opposite side.
A chip 8 made of a cubic boron nitride sintered body or a diamond sintered body is placed on the sides of these notches 3 and 4 with a positive axial rake angle α and a positive radial rake angle β toward the center. A ball end mill characterized in that the rake faces 6 and 7 are formed by joining so that the ridge line of the cutting edge as seen from the radial direction passes through the center, and is negative in front of the opposite center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987065050U JPH0325862Y2 (en) | 1987-04-28 | 1987-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987065050U JPH0325862Y2 (en) | 1987-04-28 | 1987-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63172512U true JPS63172512U (en) | 1988-11-09 |
| JPH0325862Y2 JPH0325862Y2 (en) | 1991-06-05 |
Family
ID=30901770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987065050U Expired JPH0325862Y2 (en) | 1987-04-28 | 1987-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325862Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020082205A (en) * | 2018-11-15 | 2020-06-04 | 三菱マテリアル株式会社 | Ball end mill |
| JPWO2021261380A1 (en) * | 2020-06-22 | 2021-12-30 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS546416A (en) * | 1977-06-16 | 1979-01-18 | Nec Corp | Recorder for television picture |
| JPS60131313U (en) * | 1984-02-15 | 1985-09-03 | 三菱マテリアル株式会社 | ball end mill |
-
1987
- 1987-04-28 JP JP1987065050U patent/JPH0325862Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS546416A (en) * | 1977-06-16 | 1979-01-18 | Nec Corp | Recorder for television picture |
| JPS60131313U (en) * | 1984-02-15 | 1985-09-03 | 三菱マテリアル株式会社 | ball end mill |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020082205A (en) * | 2018-11-15 | 2020-06-04 | 三菱マテリアル株式会社 | Ball end mill |
| JPWO2021261380A1 (en) * | 2020-06-22 | 2021-12-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0325862Y2 (en) | 1991-06-05 |