JPH01164024U - - Google Patents
Info
- Publication number
- JPH01164024U JPH01164024U JP5884588U JP5884588U JPH01164024U JP H01164024 U JPH01164024 U JP H01164024U JP 5884588 U JP5884588 U JP 5884588U JP 5884588 U JP5884588 U JP 5884588U JP H01164024 U JPH01164024 U JP H01164024U
- Authority
- JP
- Japan
- Prior art keywords
- head
- end mill
- cutting edge
- ball end
- spherical part
- 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
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 238000005219 brazing Methods 0.000 claims 1
- 239000011195 cermet Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Milling Processes (AREA)
Description
第１図のａは、この考案のボールエンドミルの
一例を示す側面図、同図のｂはその正面図、第２
図は従来のソリツドタイプボールエンドミルの一
例を示す側面図である。
１……シヤンク、２……切刃、３……ヘツド、
４……接合部。
Figure 1a is a side view showing an example of the ball end mill of this invention, Figure 1b is its front view, and Figure 1b is its front view.
The figure is a side view showing an example of a conventional solid type ball end mill. 1...shank, 2...cutting blade, 3...head,
4...Joint part.
Claims (1)
、切刃がヘツドの先端球面部又はこの球面部から
僅かに後退した範囲を含む部分にのみ存在し、か
つその数は複数あり、切刃形成部を除く部分の断
面は全て円形であり、さらに、上記ヘツドは長さ
がエンドミル径の１〜３倍で、ＴｉＣ、ＴｉＮ、
ＴａＣ、ＮｂＣ等を主成分とするサーメツトで形
成され、一方、ヘツドの後方に連なるシヤンク部
は抵抗力が２００Kg／mm２以上、ヤング率が５５
×１０３Kg／mm２以上のＷＣ−Ｃ。系超硬合金で
形成され、このシヤンク部とヘツドが焼結時の熱
拡散又は鑞付けによつて接合されていることを特
徴とするボールエンドミル。 It is a ball end mill made of carbide material, and the cutting edge exists only in the spherical part of the tip of the head or in the area slightly set back from this spherical part, and there are a plurality of them, and the cutting edge forming part The cross section of all parts except for the end mill is circular, and furthermore, the length of the head is 1 to 3 times the diameter of the end mill, and it is made of TiC, TiN,
It is made of a cermet whose main components are TaC, NbC, etc., and the shank part connected to the rear of the head has a resistance of 200 kg/mm2 or more and a Young's modulus of 55.
×103Kg/mm 2 or more WC-C. A ball end mill made of cemented carbide, and characterized in that the shank portion and the head are joined by thermal diffusion during sintering or brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988058845U JPH0453847Y2 (en) | 1988-04-30 | 1988-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988058845U JPH0453847Y2 (en) | 1988-04-30 | 1988-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01164024U true JPH01164024U (en) | 1989-11-15 |
| JPH0453847Y2 JPH0453847Y2 (en) | 1992-12-17 |
Family
ID=31284643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988058845U Expired JPH0453847Y2 (en) | 1988-04-30 | 1988-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453847Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010105091A (en) * | 2008-10-29 | 2010-05-13 | Hitachi Tool Engineering Ltd | Small-diameter end mill |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189713U (en) * | 1981-05-25 | 1982-12-01 | ||
| JPS58143115U (en) * | 1982-03-23 | 1983-09-27 | 三菱マテリアル株式会社 | Brazed cutting tool |
| JPS62181311U (en) * | 1986-05-09 | 1987-11-17 |
-
1988
- 1988-04-30 JP JP1988058845U patent/JPH0453847Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189713U (en) * | 1981-05-25 | 1982-12-01 | ||
| JPS58143115U (en) * | 1982-03-23 | 1983-09-27 | 三菱マテリアル株式会社 | Brazed cutting tool |
| JPS62181311U (en) * | 1986-05-09 | 1987-11-17 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010105091A (en) * | 2008-10-29 | 2010-05-13 | Hitachi Tool Engineering Ltd | Small-diameter end mill |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0453847Y2 (en) | 1992-12-17 |