JPH08118119A - Chuck device - Google Patents
Chuck deviceInfo
- Publication number
- JPH08118119A JPH08118119A JP26069394A JP26069394A JPH08118119A JP H08118119 A JPH08118119 A JP H08118119A JP 26069394 A JP26069394 A JP 26069394A JP 26069394 A JP26069394 A JP 26069394A JP H08118119 A JPH08118119 A JP H08118119A
- Authority
- JP
- Japan
- Prior art keywords
- cutting fluid
- tool
- hole
- packing
- holder
- 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
- 239000002173 cutting fluid Substances 0.000 claims abstract description 87
- 238000012856 packing Methods 0.000 claims abstract description 21
- 238000003780 insertion Methods 0.000 claims description 26
- 230000037431 insertion Effects 0.000 claims description 26
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Auxiliary Devices For Machine Tools (AREA)
- Gripping On Spindles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ドリルなどの工具を保
持するチャック装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chuck device for holding a tool such as a drill.
【０００２】[0002]
【従来の技術】既に本願出願人に係る図１に示す実開昭
６３−１８９５５２号（以下、従来例という。）が提案
されている（尚、本願出願人の旧社名は株式会社酒巻製
作所である。）。2. Description of the Related Art Already developed Japanese Utility Model Publication No. 63-189552 (hereinafter referred to as "conventional example") shown in FIG. 1 of the present applicant has been proposed (the former name of the applicant is Sakamaki Seisakusho Co., Ltd.). is there.).
【０００３】この従来例は、切削作業時に工具31から切
削液（オイル）Ｏを供給する場合において、ホルダ32の
工具挿入孔32ａに、先端にテーパー凹部34ａを形成した
弾性体34を付設した工具位置規制体33を螺着し、工具31
をこの弾性体34のテーパー凹部34ａ内に圧当接させ、工
具位置規制体33の切削液通過孔33ａからの切削液Ｏが良
好に工具31の切削液通過孔31ａに導入されるようにし、
よって、テーパー凹部34ａとの間（図２中のイ）からの
切削液Ｏの漏れを防止したものである。In this conventional example, when a cutting fluid (oil) O is supplied from a tool 31 during cutting work, a tool having a tool insertion hole 32a of a holder 32 provided with an elastic body 34 having a tapered recess 34a at its tip is attached. Screw the position control body 33, and
Is brought into pressure contact with the tapered recess 34a of the elastic body 34 so that the cutting fluid O from the cutting fluid passage hole 33a of the tool position regulating body 33 is satisfactorily introduced into the cutting fluid passage hole 31a of the tool 31,
Therefore, the leakage of the cutting fluid O from between the taper recess 34a (a in FIG. 2) is prevented.
【０００４】符号35はチャック部、36はコレット、37は
工作機械の主軸、38は引き寄せ部材、39はプルスタッ
ド、40は押圧リング、41は締付リング、42は螺子部であ
る。Reference numeral 35 is a chuck portion, 36 is a collet, 37 is a main shaft of a machine tool, 38 is a pulling member, 39 is a pull stud, 40 is a pressing ring, 41 is a tightening ring, and 42 is a screw portion.
【０００５】[0005]
【発明が解決しようとする課題】しかし、出願人は種々
実験したところ、この従来例でも切削液Ｏの供給圧が高
くなると工具位置規制体33の外周面とホルダ32の工具挿
入孔32ａとの間からの切削液Ｏの漏れが生じることを確
認した（切削液Ｏの供給圧が低い場合にはそれ程漏れは
生じない。）。However, as a result of various experiments conducted by the applicant, even in this conventional example, when the supply pressure of the cutting fluid O becomes high, the outer peripheral surface of the tool position regulating body 33 and the tool insertion hole 32a of the holder 32 are separated from each other. It was confirmed that the leakage of the cutting fluid O from the gap occurred (when the supply pressure of the cutting fluid O was low, the leakage did not occur so much).
【０００６】即ち、弾性体34のテーパー凹部34ａと工具
31の基端面との当接によりテーパー凹部34ａと工具１の
基端面との間から切削液Ｏが漏れることは生じないが、
一見漏れが生じないように考えられる工具位置規制体33
の外周面とホルダ32の工具挿入孔32ａとの間からの切削
液Ｏの漏れ（螺子部42を介しての漏れ）が確認された
（この漏れは図１中のロの経路が考えられる。）。That is, the taper recess 34a of the elastic body 34 and the tool
The cutting fluid O does not leak from between the tapered recess 34a and the base end surface of the tool 1 due to the contact with the base end surface of 31.
Tool position regulator 33 that seems to prevent leakage at first glance
The leakage of the cutting fluid O (leakage via the screw portion 42) from between the outer peripheral surface of the tool and the tool insertion hole 32a of the holder 32 was confirmed (this leakage may be the route of B in FIG. 1). ).
【０００７】特に切削条件が厳しい場合は１０ｋｇ/ｃ
ｍ2程度の供給圧では十分被切削物を冷却しきれず、切
削液Ｏの供給圧を７０ｋｇ/ｃｍ2程度にするようにな
り、切削液Ｏの供給圧が高くなる程、切削液Ｏの漏れが
顕著になり、よって、十分な切削液Ｏが被切削物に供給
されず、良好な切削が行えなくなるのである。10 kg / c when cutting conditions are particularly severe
The supply pressure of about m 2 does not sufficiently cool the object to be cut, and the supply pressure of the cutting fluid O becomes about 70 kg / cm 2 , and the higher the supply pressure of the cutting fluid O is, the more the cutting fluid O leaks. Becomes remarkable, so that sufficient cutting fluid O is not supplied to the object to be cut, and good cutting cannot be performed.
【０００８】本発明はこのような欠点を解決したチャッ
ク装置を提供するものである。The present invention provides a chuck device that solves such drawbacks.
【０００９】[0009]
【課題を解決するための手段】添付図面を参照して本発
明の要旨を説明する。The gist of the present invention will be described with reference to the accompanying drawings.
【００１０】切削液孔１ａを設けた工具１を挾持するチ
ャック部２を先端に形成し、基部に工作機械の主軸９に
装着する主軸装着部３を形成し、内部に工具挿入孔４ａ
を形成したホルダ４を設け、このホルダ４の工具挿入孔
４ａに、内部に切削液通過孔５ａを形成し、主軸装着部
３に連設した切削液供給源からの切削液Ｏを該切削液通
過孔５ａを介して先端へ導入し且つ工具１の挿入深さを
調整する工具位置規制体５を設け、この工具位置規制体
５の先端に工具１の基端面と当接して切削液通過孔５ａ
からの切削液Ｏが漏れないようにする為のパッキン６を
設け且つ工具位置規制体５の先端寄り外周に工具挿入孔
４ａと当接して切削液Ｏが漏れないようにする為のパッ
キン７を設けたことを特徴とするチャック装置に係るも
のである。A chuck portion 2 for holding a tool 1 provided with a cutting fluid hole 1a is formed at the tip, a spindle mounting portion 3 for mounting on a spindle 9 of a machine tool is formed at the base, and a tool insertion hole 4a is formed inside.
Is provided with a cutting fluid passage hole 5a formed inside the tool insertion hole 4a of the holder 4, and the cutting fluid O is supplied from the cutting fluid supply source connected to the spindle mounting portion 3 A tool position regulating body 5 which is introduced into the tip through the passage hole 5a and adjusts the insertion depth of the tool 1 is provided, and the tip of the tool position regulating body 5 is brought into contact with the base end face of the tool 1 to cut fluid passage hole. 5a
A packing 6 for preventing the cutting fluid O from leaking is provided, and a packing 7 for preventing the cutting fluid O from leaking by contacting the tool insertion hole 4a on the outer periphery of the tool position regulating body 5 near the tip. The present invention relates to a chuck device characterized by being provided.
【００１１】請求項１記載のチャック装置において、切
削液流路がホルダ４の周壁に設けた側方切削液通過孔４
ｂから工具挿入孔４ａへ、続いて、切削液通過孔５ａ
へ、そして、工具１の切削液孔１ａへ流れる流路に設定
されたチャック装置に係るものである。The chuck device according to claim 1, wherein the cutting fluid passage has a lateral cutting fluid passage hole 4 formed in the peripheral wall of the holder 4.
b to the tool insertion hole 4a, and then the cutting fluid passage hole 5a
To the cutting fluid hole 1a of the tool 1.
【００１２】請求項１記載のチャック装置において、切
削液流路がホルダ４の工具挿入孔４ａから切削液通過孔
５ａへ、そして、工具１の切削液孔１ａへ流れる流路に
設定されたチャック装置に係るものである。The chuck device according to claim 1, wherein the cutting fluid flow path is set to a flow path which flows from the tool insertion hole 4a of the holder 4 to the cutting fluid passage hole 5a and to the cutting fluid hole 1a of the tool 1. It relates to the device.
【００１３】[0013]
【作用】切削液Ｏは切削液通過孔５ａから工具１の切削
液孔１ａへ流れる。この際、パッキン６の存在により工
具１の基端面からの切削液Ｏの漏れが抑制でき、また、
パッキン７の存在により工具位置規制体５と工具挿入孔
４ａとの間隙からの切削液Ｏの漏れが抑制できる。The cutting fluid O flows from the cutting fluid passage hole 5a to the cutting fluid hole 1a of the tool 1. At this time, the presence of the packing 6 can suppress the leakage of the cutting fluid O from the base end surface of the tool 1, and
The presence of the packing 7 can suppress the leakage of the cutting fluid O from the gap between the tool position regulator 5 and the tool insertion hole 4a.
【００１４】[0014]
【実施例】図３，４，５は本発明の第一実施例、図６は
本発明の第二実施例である。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 3, 4 and 5 show a first embodiment of the present invention, and FIG. 6 shows a second embodiment of the present invention.
【００１５】第一実施例について説明する。The first embodiment will be described.
【００１６】先端にチャック部２を、基端に工作機械の
主軸９に嵌着される主軸装着部３としてのテーパー筒
３’を形成したホルダ４を設ける。A chuck portion 2 is provided at the tip end, and a holder 4 having a tapered cylinder 3'as a spindle attachment portion 3 which is fitted to the spindle 9 of a machine tool is provided at the proximal end.
【００１７】このホルダ４の長さ方向ほぼ中央位置には
中心に設けられた工具挿入孔４ａに連通する側方切削液
通過孔４ｂが設けられている。A lateral cutting fluid passage hole 4b communicating with a tool insertion hole 4a provided at the center is provided at a substantially central position in the lengthwise direction of the holder 4.
【００１８】また、このホルダ４の工具挿入孔４ａには
工具１を工具挿入孔４ａにチャック部２を介して挿入し
た際の工具１のホルダ４からの突出度、即ち工具１のホ
ルダ４への挿入深さを調整する工具位置規制体５が螺着
されている。この工具位置規制体５は先端側のみが中心
軸方向に切削液通過孔５ａが貫通穿設されている。The degree of protrusion of the tool 1 from the holder 4 when the tool 1 is inserted into the tool insertion hole 4a of the holder 4 via the chuck portion 2, that is, to the holder 4 of the tool 1. A tool position restricting body 5 for adjusting the insertion depth of is screwed. The tool position restricting body 5 has a cutting liquid passage hole 5a penetratingly provided only in the front end side in the central axis direction.
【００１９】この切削液通過孔５ａは断面六角形の孔で
あって、回動用の六角レンチを先端側から該断面六角形
の孔に挿入し、工具挿入孔４ａ内での工具位置規制体５
の位置を調整することが可能なように構成されている。
また、この切削液通過孔５ａが切削液の流路となる。The cutting fluid passage hole 5a has a hexagonal cross section, and a turning hexagon wrench is inserted into the hexagonal cross section from the tip side, and the tool position regulating member 5 in the tool insertion hole 4a is inserted.
It is configured so that the position of can be adjusted.
Further, the cutting fluid passage hole 5a serves as a flow path for the cutting fluid.
【００２０】この工具位置規制体５の先端面には凹部５
ｂが形成され、また、中略外周には径小部５ｃが形成さ
れている。符号５ｄは連通孔、５ｅは螺子部である。A concave portion 5 is formed on the tip surface of the tool position regulating body 5.
b is formed, and a small diameter portion 5c is formed on the substantially outer circumference. Reference numeral 5d is a communication hole, and 5e is a screw portion.
【００２１】工具位置規制体５の凹部５ｂにはゴム製の
パッキン６が、また、径小部５ｃより先端寄りにして工
具位置規制体５の外周にはゴム製のパッキン７が付設さ
れている。A rubber packing 6 is attached to the concave portion 5b of the tool position regulating body 5, and a rubber packing 7 is attached to the outer periphery of the tool position regulating body 5 closer to the tip than the small diameter portion 5c. .
【００２２】符号８はコレット、９は工作機械の主軸、
10は押圧リング、11は締付リングである。Reference numeral 8 is a collet, 9 is a spindle of a machine tool,
Reference numeral 10 is a pressing ring, and 11 is a tightening ring.
【００２３】本実施例は上述のように構成したから、ホ
ルダ４を工作機械の主軸９に嵌着し、このホルダ４の工
具挿入孔４ａに先端から工具１を挿入すると、工具１は
予め適正位置に螺着されている工具位置規制体５の先端
に当接する。チャック部２の締付リング11の回動により
工具１を圧締すると、工具１はホルダ４の基端側へ圧締
により引き込まれ、パッキン６は該工具１の基端面によ
り押し潰され（図５参照）、パッキン作用が呈される。
尚、パッキン７は工具位置規制体５を工具挿入孔４ａに
螺入した際に押し潰されてパッキン作用が呈されてい
る。Since this embodiment is constructed as described above, when the holder 4 is fitted on the spindle 9 of the machine tool and the tool 1 is inserted into the tool insertion hole 4a of the holder 4 from the tip, the tool 1 is properly prepared in advance. It comes into contact with the tip of the tool position control body 5 screwed to the position. When the tool 1 is pressed by the rotation of the tightening ring 11 of the chuck portion 2, the tool 1 is pulled into the base end side of the holder 4 by pressing, and the packing 6 is crushed by the base end surface of the tool 1 (see FIG. 5), a packing action is exhibited.
Incidentally, the packing 7 is crushed when the tool position restricting body 5 is screwed into the tool insertion hole 4a to exhibit a packing function.
【００２４】工具１による作業中に切削液供給源から切
削液Ｏが側方切削液通過孔４ｂを介して切削液通過孔５
ａに導入され、工具１の切削液孔１ａを通過して被切削
物に切削液が供給される。During the operation with the tool 1, the cutting fluid O from the cutting fluid supply source passes through the side cutting fluid passage hole 4b and the cutting fluid passage hole 5 is formed.
The cutting fluid is introduced into a and passes through the cutting fluid hole 1a of the tool 1 to supply the cutting fluid to the object to be cut.
【００２５】この際、パッキン６により切削液Ｏは工具
１の基端面から漏れ出ず、また、パッキン７により切削
液Ｏはホルダ４の工具挿入孔４ａと工具位置規制体５の
外周との間から漏れ出ない。At this time, the packing 6 prevents the cutting fluid O from leaking from the base end surface of the tool 1, and the packing 7 causes the cutting fluid O to be present between the tool insertion hole 4a of the holder 4 and the outer periphery of the tool position restricting body 5. Does not leak out.
【００２６】従って、切削液供給源からの切削液Ｏが適
確に工具１の切削液孔１ａに導入されることになり、設
定された切削液供給圧による切削液供給が可能となり、
それだけ良好な切削が可能となる。Therefore, the cutting fluid O from the cutting fluid supply source is properly introduced into the cutting fluid hole 1a of the tool 1, and the cutting fluid can be supplied at the set cutting fluid supply pressure.
The better cutting becomes possible.
【００２７】第二実施例は、切削液供給源がホルダ４の
後方に設けられ、切削液供給が切削液供給源から工具挿
入孔４ａへ、続いて、切削液通過孔５ａへ、そして、工
具１の切削液孔１ａへ流れるように設定された場合であ
って、その余は第一実施例と同様である。In the second embodiment, a cutting fluid supply source is provided at the rear of the holder 4, and the cutting fluid supply is provided from the cutting fluid supply source to the tool insertion hole 4a, then to the cutting fluid passage hole 5a, and then to the tool. In the case where it is set so as to flow into the first cutting fluid hole 1a, the rest is the same as in the first embodiment.
【００２８】切削液Ｏが高圧となると、螺子部５ｅから
径小部５ｃへ切削液Ｏが漏れてホルダ４の工具挿入孔４
ａと工具位置規制体５の外周との間から漏れてしまう
が、この漏れが防止される。When the cutting fluid O has a high pressure, the cutting fluid O leaks from the screw portion 5e to the small diameter portion 5c and the tool insertion hole 4 of the holder 4 is inserted.
Although it leaks from between a and the outer periphery of the tool position regulator 5, this leakage is prevented.
【００２９】[0029]
【発明の効果】本発明は上述のように構成したから、切
削液供給源から供給される切削液の漏れが抑制でき、確
実に工具に供給され、よって、適正な切削液供給下にお
ける切削が実施され、それだけ高精度且つ高能率の切削
作業を行い得る秀れたチャック装置となる。Since the present invention is configured as described above, the leakage of the cutting fluid supplied from the cutting fluid supply source can be suppressed, and the cutting fluid can be reliably supplied to the tool. Therefore, the cutting can be performed under the proper cutting fluid supply. It is an excellent chuck device that can be used for highly accurate and highly efficient cutting work.
【図１】従来例の断面図である。FIG. 1 is a cross-sectional view of a conventional example.
【図２】従来例の説明断面図である。FIG. 2 is an explanatory sectional view of a conventional example.
【図３】第一実施例の断面図である。FIG. 3 is a sectional view of the first embodiment.
【図４】同上の工具位置規制体の斜視図である。FIG. 4 is a perspective view of the above tool position restricting body.
【図５】第一実施例の説明断面図である。FIG. 5 is an explanatory cross-sectional view of the first embodiment.
【図６】第二実施例の断面図である。FIG. 6 is a sectional view of a second embodiment.
１ 工具 1a 切削液孔 ２ チャック部 ３ 主軸装着部 ４ ホルダ 4a 工具挿入孔 4b 側方切削液通過孔 ５ 工具位置規制体 5a 切削液通過孔 ６ パッキン ７ パッキン ９ 主軸 Ｏ 切削液 1 Tool 1a Cutting liquid hole 2 Chuck part 3 Spindle mounting part 4 Holder 4a Tool insertion hole 4b Side cutting liquid passage hole 5 Tool position regulator 5a Cutting liquid passage hole 6 Packing 7 Packing 9 Spindle O Cutting liquid
Claims (3)
ク部を先端に形成し、基部に工作機械の主軸に装着する
主軸装着部を形成し、内部に工具挿入孔を形成したホル
ダを設け、このホルダの工具挿入孔に、内部に切削液通
過孔を形成し、主軸装着部に連設した切削液供給源から
の切削液を該切削液通過孔を介して先端へ導入し且つ工
具の挿入深さを調整する工具位置規制体を設け、この工
具位置規制体の先端に工具の基端面と当接して切削液通
過孔からの切削液が漏れないようにする為のパッキンを
設け且つ工具位置規制体の先端寄り外周に工具挿入孔と
当接して切削液が漏れないようにする為のパッキンを設
けたことを特徴とするチャック装置。1. A chuck part for holding a tool having a cutting fluid hole is formed at a tip, a spindle mounting part for mounting a spindle of a machine tool is formed at a base, and a holder having a tool insertion hole is provided inside. , A cutting fluid passage hole is formed inside the tool insertion hole of this holder, and the cutting fluid from a cutting fluid supply source connected to the spindle mounting portion is introduced to the tip through the cutting fluid passage hole and A tool position regulating body for adjusting the insertion depth is provided, and a packing for preventing the cutting fluid from leaking from the cutting fluid passage hole by contacting the base end face of the tool at the tip of the tool position regulation body and the tool A chuck device, wherein packing is provided on the outer periphery of the position regulating body near the tip end so as to prevent the cutting fluid from leaking by coming into contact with the tool insertion hole.
切削液流路がホルダの周壁に設けた側方切削液通過孔か
ら工具挿入孔へ、続いて、切削液通過孔へ、そして、工
具の切削液孔へ流れる流路に設定されたチャック装置。2. The chuck device according to claim 1,
A chuck device in which a cutting fluid flow path is set to a flow path that flows from a lateral cutting fluid passage hole provided in a peripheral wall of a holder to a tool insertion hole, to a cutting fluid passage hole, and then to a cutting fluid hole of a tool.
切削液流路がホルダの工具挿入孔から切削液通過孔へ、
そして、工具の切削液孔へ流れる流路に設定されたチャ
ック装置。3. The chuck device according to claim 1,
The cutting fluid flow path from the tool insertion hole of the holder to the cutting fluid passage hole,
Then, the chuck device set in the flow path to the cutting fluid hole of the tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26069394A JPH08118119A (en) | 1994-10-25 | 1994-10-25 | Chuck device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26069394A JPH08118119A (en) | 1994-10-25 | 1994-10-25 | Chuck device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08118119A true JPH08118119A (en) | 1996-05-14 |
Family
ID=17351469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26069394A Pending JPH08118119A (en) | 1994-10-25 | 1994-10-25 | Chuck device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08118119A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007508156A (en) * | 2003-10-14 | 2007-04-05 | ギューリング，イェルク | Shaft tool and associated coolant / lubricant supply points |
| US20080260479A1 (en) * | 2005-10-11 | 2008-10-23 | Dirk Kammermeier | Device for supplying coolant into a shank of a rotary tool as well as a rotary tool, in particular a drill |
| JP2012520775A (en) * | 2009-03-17 | 2012-09-10 | ギューリング オッフェネ ハンデルスゲゼルシャフト | Adjusting device for shrink fit chuck tool holder |
| US20130015627A1 (en) * | 2010-12-23 | 2013-01-17 | Kennametal Inc. | Expansion Chuck for Loss-Free Transmission of a Lubricating Medium |
| WO2016055187A1 (en) * | 2014-10-07 | 2016-04-14 | Bilz Werkzeugfabrik Gmbh & Co. Kg | Tool holder with fluid supply |
| JP2018531807A (en) * | 2015-09-22 | 2018-11-01 | アトラス・コプコ・インダストリアル・テクニーク・アクチボラグ | Power tools |
-
1994
- 1994-10-25 JP JP26069394A patent/JPH08118119A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007508156A (en) * | 2003-10-14 | 2007-04-05 | ギューリング，イェルク | Shaft tool and associated coolant / lubricant supply points |
| US20080260479A1 (en) * | 2005-10-11 | 2008-10-23 | Dirk Kammermeier | Device for supplying coolant into a shank of a rotary tool as well as a rotary tool, in particular a drill |
| US8251621B2 (en) * | 2005-10-11 | 2012-08-28 | Kennametal Inc. | Device for supplying coolant into a shank of a rotary tool as well as a rotary tool, in particular a drill |
| JP2015061740A (en) * | 2009-03-17 | 2015-04-02 | ギューリング コマンディートゲゼルシャフトＧｕｅｈｒｉｎｇ ＫＧ | Shrinkage-fit chuck tool holder provided with adjustment device |
| JP2012520775A (en) * | 2009-03-17 | 2012-09-10 | ギューリング オッフェネ ハンデルスゲゼルシャフト | Adjusting device for shrink fit chuck tool holder |
| US9028181B2 (en) * | 2010-12-23 | 2015-05-12 | Kennametal Inc. | Expansion chuck for loss-free transmission of a lubricating medium |
| US20130015627A1 (en) * | 2010-12-23 | 2013-01-17 | Kennametal Inc. | Expansion Chuck for Loss-Free Transmission of a Lubricating Medium |
| WO2016055187A1 (en) * | 2014-10-07 | 2016-04-14 | Bilz Werkzeugfabrik Gmbh & Co. Kg | Tool holder with fluid supply |
| EP3204179A1 (en) * | 2014-10-07 | 2017-08-16 | Bilz Werkzeugfabrik GmbH & Co. KG | Tool holder with fluid supply |
| JP2017534473A (en) * | 2014-10-07 | 2017-11-24 | ビルツ ヴェルクツォイクファブリーク ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Tool holder with fluid supply |
| US10207331B2 (en) | 2014-10-07 | 2019-02-19 | Bilz Werkzeugfabrik Gmbh & Co. Kg | Tool holder with fluid supply |
| EP3204179B1 (en) * | 2014-10-07 | 2022-01-05 | Bilz Werkzeugfabrik GmbH & Co. KG | Tool holder with fluid supply |
| JP2018531807A (en) * | 2015-09-22 | 2018-11-01 | アトラス・コプコ・インダストリアル・テクニーク・アクチボラグ | Power tools |
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