JPH0445614U - - Google Patents
Info
- Publication number
- JPH0445614U JPH0445614U JP8759290U JP8759290U JPH0445614U JP H0445614 U JPH0445614 U JP H0445614U JP 8759290 U JP8759290 U JP 8759290U JP 8759290 U JP8759290 U JP 8759290U JP H0445614 U JPH0445614 U JP H0445614U
- Authority
- JP
- Japan
- Prior art keywords
- tool
- pilot
- hole
- drilling
- oil
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Description
第１図は、本考案穴あけ工具の一実施例を示す
要部の正面図、第２図は、その側面図、第３図は
、変形例を示す要部の正面図、第４図は、その側
面図、第５図は他の変形例を示す要部の正面図、
第６図は、その側面図、第７図は、従来例を示す
要部の正面図、第８図は、その側面図である。
１……穴あけ工具、２……パイロツト工具、３
……拡径工具、４……先端逃げ面、１０……外周
逃げ面、１１……油穴、１２……供給穴。
Fig. 1 is a front view of the main parts showing one embodiment of the drilling tool of the present invention, Fig. 2 is a side view thereof, Fig. 3 is a front view of the main parts showing a modified example, and Fig. 4 is: Its side view, FIG. 5 is a front view of the main part showing another modification,
FIG. 6 is a side view thereof, FIG. 7 is a front view of main parts showing a conventional example, and FIG. 8 is a side view thereof. 1...Drilling tool, 2...Pilot tool, 3
... Diameter expansion tool, 4 ... Tip flank surface, 10 ... Outer peripheral flank surface, 11 ... Oil hole, 12 ... Supply hole.
Claims (1)
このパイロツト工具２に連設された拡径工具３か
らなり、しかも拡径工具３の軸中心部分には、切
削油の供給穴１２が設けられている穴あけ工具の
おいて、 前記供給穴１２から分岐する油穴４は、パイロ
ツト工具２に隣接する拡径工具３の先端逃げ面４
に開口していることを特徴とする穴あけ工具。 (2) パイロツト工具２の外周逃げ面１０には、
軸方向に延びる油溝１１が設けられ、請求項１記
載の油穴４に連通するようになつている穴あけ工
具。[Claims for Utility Model Registration] (1) Consisting of a pilot tool 2 for drilling a pilot hole and a diameter expanding tool 3 connected to this pilot tool 2, the shaft center portion of the diameter expanding tool 3 has a cutting In a drilling tool provided with an oil supply hole 12, the oil hole 4 branching from the supply hole 12 is connected to the tip flank 4 of the diameter expanding tool 3 adjacent to the pilot tool 2.
A drilling tool characterized by having an opening. (2) The outer peripheral flank surface 10 of the pilot tool 2 has
A drilling tool provided with an oil groove (11) extending in the axial direction and communicating with the oil hole (4) according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8759290U JPH0445614U (en) | 1990-08-22 | 1990-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8759290U JPH0445614U (en) | 1990-08-22 | 1990-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0445614U true JPH0445614U (en) | 1992-04-17 |
Family
ID=31820064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8759290U Pending JPH0445614U (en) | 1990-08-22 | 1990-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002187009A (en) * | 2000-12-21 | 2002-07-02 | Daido Steel Co Ltd | Cutter for drilling operation |
| JP2020062735A (en) * | 2018-10-19 | 2020-04-23 | 松本 武雄 | Drilling tool |
-
1990
- 1990-08-22 JP JP8759290U patent/JPH0445614U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002187009A (en) * | 2000-12-21 | 2002-07-02 | Daido Steel Co Ltd | Cutter for drilling operation |
| JP2020062735A (en) * | 2018-10-19 | 2020-04-23 | 松本 武雄 | Drilling tool |