JPS61154649U - - Google Patents
Info
- Publication number
- JPS61154649U JPS61154649U JP3765685U JP3765685U JPS61154649U JP S61154649 U JPS61154649 U JP S61154649U JP 3765685 U JP3765685 U JP 3765685U JP 3765685 U JP3765685 U JP 3765685U JP S61154649 U JPS61154649 U JP S61154649U
- Authority
- JP
- Japan
- Prior art keywords
- cutting tool
- current
- contact point
- tool
- end side
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
Description
図は本考案の一実施例を使用状態で示す縦断側
面図である。
１…工具ホルダー、２…切削工具把持用チヤツ
ク部、３…駆動用回転主軸、４…嵌着部、５…把
持部、９…工具ホルダー上半部、１０…工具ホル
ダー下半部、１１，１２…電気絶縁材、１３…電
気絶縁材製キー、１５…電気接点、１６…エンド
ミル、１７…交流電源、１８…導電リング、１９
…主軸台、２０…導電子、２１…導電性ワーク、
２２…誘導コイル、２３…制御装置。
The figure is a longitudinal sectional side view showing an embodiment of the present invention in use. DESCRIPTION OF SYMBOLS 1... Tool holder, 2... Cutting tool gripping chuck part, 3... Rotating main shaft for drive, 4... Fitting part, 5... Gripping part, 9... Tool holder upper half part, 10... Tool holder lower half part, 11, 12... Electrical insulating material, 13... Key made of electrically insulating material, 15... Electrical contact, 16... End mill, 17... AC power supply, 18... Conductive ring, 19
... Headstock, 20... Conductive electron, 21... Conductive workpiece,
22...Induction coil, 23...Control device.
Claims (1)
共に、内端側に駆動用回転主軸への嵌着部を備え
た工具ホルダーに、前記チヤツク部に把持された
切削工具の内端面に当接する電気接点と、前記切
削工具と前記嵌着部とを前記電気接点のみを介し
て電気的に導通させるための電気絶縁箇所を設け
、前記駆動用主軸と前記切削工具によつて切削加
工されるワークとの間に前記工具ホルダーの電気
接点と前記切削工具とを経由して電流を流すため
の電源と、当該電流路を電流が流れなくなつた状
態を検出する検出手段とを設けて成る切削工具の
抜け出し検出装置。 A tool holder is provided with a chuck portion for gripping a cutting tool on the outer end side and a fitting portion for a driving rotating spindle on the inner end side, and an electric current is provided that contacts the inner end surface of the cutting tool gripped by the chuck portion. A contact point, and an electrically insulating part for electrically conducting the cutting tool and the fitting part through only the electrical contact point are provided, and the workpiece to be cut by the driving spindle and the cutting tool is provided. A cutting tool comprising: a power supply for passing a current through the electrical contacts of the tool holder and the cutting tool; and a detection means for detecting a state in which current no longer flows through the current path. Breakout detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3765685U JPH0230204Y2 (en) | 1985-03-15 | 1985-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3765685U JPH0230204Y2 (en) | 1985-03-15 | 1985-03-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61154649U true JPS61154649U (en) | 1986-09-25 |
| JPH0230204Y2 JPH0230204Y2 (en) | 1990-08-14 |
Family
ID=30543941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3765685U Expired JPH0230204Y2 (en) | 1985-03-15 | 1985-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230204Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018519170A (en) * | 2015-05-08 | 2018-07-19 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | Method for determining the pull-out of a cutting tool and a rotatable tool holder for the cutting tool |
-
1985
- 1985-03-15 JP JP3765685U patent/JPH0230204Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018519170A (en) * | 2015-05-08 | 2018-07-19 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | Method for determining the pull-out of a cutting tool and a rotatable tool holder for the cutting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0230204Y2 (en) | 1990-08-14 |
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