JPH0184911U - - Google Patents
Info
- Publication number
- JPH0184911U JPH0184911U JP1987181621U JP18162187U JPH0184911U JP H0184911 U JPH0184911 U JP H0184911U JP 1987181621 U JP1987181621 U JP 1987181621U JP 18162187 U JP18162187 U JP 18162187U JP H0184911 U JPH0184911 U JP H0184911U
- Authority
- JP
- Japan
- Prior art keywords
- land portion
- circumferential land
- drill
- quill
- groove
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Description
第１図は本考案の実施例にかかるガンドリルの
側面図、第２図は第１図図示のガンドリルの拡大
底面図、第３図は第１図図示のガンドリルにおけ
るドリル本体の側面図、第４図は第３図の−
断面図である。
１……クイル本体、２……ドリル本体、３……
円周ランド部、４……凹溝、５……切削チツプ。
FIG. 1 is a side view of a gun drill according to an embodiment of the present invention, FIG. 2 is an enlarged bottom view of the gun drill shown in FIG. 1, FIG. 3 is a side view of the drill body of the gun drill shown in FIG. 1, and FIG. The diagram is in Figure 3-
FIG. 1...quill body, 2...drill body, 3...
Circumferential land portion, 4... Concave groove, 5... Cutting tip.
Claims (1)
体における円周ランド部の基部側が、先端部側よ
り巾広とされ且つ該円周ランド部の背面側には長
手方向に延びる凹溝が形成されており、前記クイ
ル本体には、面取り加工用あるいは座ぐり加工用
の切削チツプが前記凹溝にラツプして設けられて
いることを特徴とするガンドリル。 The base side of the circumferential land portion of the drill body, which is detachably attached to the quill body, is wider than the tip side, and a groove extending in the longitudinal direction is formed on the back side of the circumferential land portion. The gun drill is characterized in that the quill body is provided with a cutting tip for chamfering or counterboring that wraps in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987181621U JPH0184911U (en) | 1987-11-27 | 1987-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987181621U JPH0184911U (en) | 1987-11-27 | 1987-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0184911U true JPH0184911U (en) | 1989-06-06 |
Family
ID=31473101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987181621U Pending JPH0184911U (en) | 1987-11-27 | 1987-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0184911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006346755A (en) * | 2005-06-13 | 2006-12-28 | Sanko Techno Co Ltd | Drill holder |
-
1987
- 1987-11-27 JP JP1987181621U patent/JPH0184911U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006346755A (en) * | 2005-06-13 | 2006-12-28 | Sanko Techno Co Ltd | Drill holder |