JPH01114218U - - Google Patents
Info
- Publication number
- JPH01114218U JPH01114218U JP760588U JP760588U JPH01114218U JP H01114218 U JPH01114218 U JP H01114218U JP 760588 U JP760588 U JP 760588U JP 760588 U JP760588 U JP 760588U JP H01114218 U JPH01114218 U JP H01114218U
- Authority
- JP
- Japan
- Prior art keywords
- oil hole
- core drill
- hole
- protrusion
- 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
- 238000003754 machining Methods 0.000 claims 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Description
第１図及び第２図は本考案のそれぞれ異る実施
例を示す側面図と要部断面図とを夫々示し、第３
図は第２図の部分拡大図、第４図ａは第２図で示
すナツトの側面拡大図、第４図ｂはナツトの上面
拡大図、第５図は第２図で示す突出部の上面図、
第６図は第５図のＡ―Ａ線に沿つた断面図、第７
図は従来の油穴付きコアードリルの側面図を示す
。
１……コアードリル本体、２……油穴、３……
めねじ、５……切刃、６……逃げ面、７，９……
突出部、８……ナツト、１０……切刃端面、１２
……おねじ、１３，２０……頭部油穴、１９……
溝、２１，２２……噴出穴、２３……面。
1 and 2 respectively show a side view and a cross-sectional view of main parts of different embodiments of the present invention, and FIG.
The figure is a partial enlarged view of Fig. 2, Fig. 4a is an enlarged side view of the nut shown in Fig. 2, Fig. 4b is an enlarged top view of the nut, and Fig. 5 is a top view of the protrusion shown in Fig. 2. figure,
Figure 6 is a cross-sectional view taken along line A-A in Figure 5;
The figure shows a side view of a conventional core drill with an oil hole. 1... Core drill body, 2... Oil hole, 3...
Female thread, 5...cutting edge, 6...flank surface, 7,9...
Projection, 8... Nut, 10... Cutting edge end surface, 12
...Male thread, 13,20...Head oil hole, 19...
Groove, 21, 22... spout hole, 23... surface.
Claims (1)
成された複数個の切刃と溝とを有するコアードリ
ル本体の軸心に穿設され、前記溝に向けて開口す
る油穴を設けた油穴付きコアードリルにおいて、
前記切刃端面に前記下穴より小径の切刃のない突
出部を形成し、前記突出部には前記油穴と連通す
る頭部油穴及び頭部油穴と連通しかつ前記切刃に
向けて開口する噴出穴を設けたことを特徴とする
油穴付きコアードリル。 (2) 前記突出部は前記コアードリル本体と一体
に形成されている実用新案登録請求の範囲第１項
に記載の油穴付きコアードリル。 (3) 前記突出部は前記コアードリル本体と別体
で形成された実用新案登録請求の範囲第１項に記
載の油穴付きコアードリル。 (4) 前記突出部は前記油穴内径に設けられため
ねじとはまり合うおねじを外周に設けかつ内部に
前記油穴と連通可能な頭部油穴及び頭部油穴と連
通する前記噴出穴が穿設された本体と、前記外周
に設けられたおねじとはまり合つて前記端面と当
接可能な面を有するナツトと、を含む実用新案登
録請求の範囲第３項に記載の油穴付きコアードリ
ル。[Claims for Utility Model Registration] (1) A core drill drilled at the axis of a core drill body having a plurality of cutting edges and grooves formed in the longitudinal direction to enlarge the pilot hole after machining the pilot hole, and directed toward the grooves. In a core drill with an oil hole that opens with an oil hole,
A protrusion without a cutting edge having a smaller diameter than the pilot hole is formed on the end face of the cutting blade, and the protrusion has a head oil hole communicating with the oil hole and a head oil hole communicating with the head oil hole and directed toward the cutting blade. A core drill with an oil hole that is characterized by having a spout hole that opens when the oil is opened. (2) The core drill with an oil hole according to claim 1, wherein the protrusion is integrally formed with the core drill body. (3) The core drill with an oil hole according to claim 1, wherein the protrusion is formed separately from the core drill body. (4) The protrusion has a male thread on its outer periphery that fits with a female thread provided on the inner diameter of the oil hole, and has a head oil hole that can communicate with the oil hole inside, and a spout hole that communicates with the head oil hole. A nut with an oil hole according to claim 3 of the utility model registration claim, comprising: a main body having a hole therein; and a nut having a surface that fits into the external thread provided on the outer periphery and can come into contact with the end surface. core drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP760588U JPH01114218U (en) | 1988-01-26 | 1988-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP760588U JPH01114218U (en) | 1988-01-26 | 1988-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01114218U true JPH01114218U (en) | 1989-08-01 |
Family
ID=31212754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP760588U Pending JPH01114218U (en) | 1988-01-26 | 1988-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01114218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003275915A (en) * | 2002-03-25 | 2003-09-30 | Mitsubishi Materials Corp | Method of manufacturing cemented carbide drill with oil hole and cemented carbide drill with oil hole |
| JP6362803B1 (en) * | 2018-01-23 | 2018-07-25 | 株式会社松浦機械製作所 | Cutting tools |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5135175A (en) * | 1974-09-20 | 1976-03-25 | Hitachi Ltd | SENKOKOGU |
-
1988
- 1988-01-26 JP JP760588U patent/JPH01114218U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5135175A (en) * | 1974-09-20 | 1976-03-25 | Hitachi Ltd | SENKOKOGU |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003275915A (en) * | 2002-03-25 | 2003-09-30 | Mitsubishi Materials Corp | Method of manufacturing cemented carbide drill with oil hole and cemented carbide drill with oil hole |
| JP6362803B1 (en) * | 2018-01-23 | 2018-07-25 | 株式会社松浦機械製作所 | Cutting tools |
| JP2019126867A (en) * | 2018-01-23 | 2019-08-01 | 株式会社松浦機械製作所 | Cutting tool |
| US10562111B2 (en) | 2018-01-23 | 2020-02-18 | Matsuura Machinery Corporation | Cutting tool |