JPH02104914U - - Google Patents
Info
- Publication number
- JPH02104914U JPH02104914U JP1375689U JP1375689U JPH02104914U JP H02104914 U JPH02104914 U JP H02104914U JP 1375689 U JP1375689 U JP 1375689U JP 1375689 U JP1375689 U JP 1375689U JP H02104914 U JPH02104914 U JP H02104914U
- Authority
- JP
- Japan
- Prior art keywords
- cutting blade
- main body
- counterboring
- recess
- peripheral surface
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
Landscapes
- Drilling Tools (AREA)
Description
図面は本考案に係る回転切削工具の一実施例を
示すもので、第１図はカツターアームが円筒主体
部内に引込んでいるときの回転切削工具の正面図
、第２図は第１図におけるＡ−Ａ線矢視方向横断
面図、第３図はカツターアームが座ぐり加工態勢
にあるときの同じく横断面図、第４図は表裏両面
に座ぐり加工を施した被加工材を示す縦断面図で
ある。
１……円筒主体部、３……切削刃物（環状刃物
）、７……凹部、８……切削チツプ、８Ａ……座
ぐり用切削刃、９……カツターアーム、１４……
第１係止部、１５……第２係止部、１８……孔、
１９，２０……座ぐり孔。
The drawings show an embodiment of the rotary cutting tool according to the present invention. FIG. 1 is a front view of the rotary cutting tool when the cutter arm is retracted into the cylindrical main body, and FIG. Figure 3 is a cross-sectional view in the direction of arrow A, Figure 3 is a cross-sectional view of the cutter arm in a counterboring position, and Figure 4 is a longitudinal cross-sectional view of a workpiece with counterboring on both the front and back sides. be. DESCRIPTION OF SYMBOLS 1... Cylindrical main body part, 3... Cutting blade (annular knife), 7... Recessed part, 8... Cutting tip, 8A... Cutting blade for spot facing, 9... Cutter arm, 14...
First locking part, 15... Second locking part, 18... Hole,
19,20...Spothole.
Claims (1)
、上記主体部の外周面部適位置には凹部を形成し
て、この凹部の中に、座ぐり用切削刃を自由端部
に持ち、且つ、前記切削刃物の回転中心から偏心
した位置に支点を持つて、切削刃物を逆回転させ
たときにのみ前記座ぐり用切削刃が切削刃物の外
周面より突出するカツターアームを設けた回転切
削工具。 A cutting blade is provided at the lower part of the cylindrical main body, and a recess is formed at a suitable position on the outer peripheral surface of the main body, and a counterboring cutting blade is held at the free end in the recess, and This rotary cutting tool is provided with a cutter arm that has a fulcrum at a position eccentric from the rotation center of the cutting blade, and the counterboring cutting blade protrudes from the outer peripheral surface of the cutting blade only when the cutting blade is rotated in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1375689U JPH0737773Y2 (en) | 1989-02-08 | 1989-02-08 | Rotary cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1375689U JPH0737773Y2 (en) | 1989-02-08 | 1989-02-08 | Rotary cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02104914U true JPH02104914U (en) | 1990-08-21 |
| JPH0737773Y2 JPH0737773Y2 (en) | 1995-08-30 |
Family
ID=31224341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1375689U Expired - Fee Related JPH0737773Y2 (en) | 1989-02-08 | 1989-02-08 | Rotary cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0737773Y2 (en) |
-
1989
- 1989-02-08 JP JP1375689U patent/JPH0737773Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0737773Y2 (en) | 1995-08-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |