KR100881056B1 - Collet chuck for rotary cutting tool - Google Patents

Collet chuck for rotary cutting tool Download PDF

Info

Publication number
KR100881056B1
KR100881056B1 KR1020070101192A KR20070101192A KR100881056B1 KR 100881056 B1 KR100881056 B1 KR 100881056B1 KR 1020070101192 A KR1020070101192 A KR 1020070101192A KR 20070101192 A KR20070101192 A KR 20070101192A KR 100881056 B1 KR100881056 B1 KR 100881056B1
Authority
KR
South Korea
Prior art keywords
tool
rotation
collet chuck
chuck
cutting tool
Prior art date
Application number
KR1020070101192A
Other languages
Korean (ko)
Inventor
이종재
Original Assignee
이종재
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 이종재 filed Critical 이종재
Priority to KR1020070101192A priority Critical patent/KR100881056B1/en
Application granted granted Critical
Publication of KR100881056B1 publication Critical patent/KR100881056B1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/26—Securing milling cutters to the driving spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
    • B23B2231/20—Collet chucks
    • B23B2231/2027—Gripping surfaces, i.e. the surface contacting the tool or workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
    • B23B2231/20—Collet chucks
    • B23B2231/2027—Gripping surfaces, i.e. the surface contacting the tool or workpiece
    • B23B2231/204—Gripping surfaces, i.e. the surface contacting the tool or workpiece with saw tooth profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
    • B23B2231/20—Collet chucks
    • B23B2231/2072—Jaws of collets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)

Abstract

A collet chuck for a rotary cutting tool can prevent idling of the tool in a state that the tool is not engaged with an inner part of a chuck due to resisting power of the workpiece when machining a workpiece with a tool. A collet chuck for a rotary cutting tool performs chucking or unchucking of a tool(T) and comprises: a chuck head having a rotation preventer receiving part(116) which is stepped and perforated into an outer peripheral surface of each front end of split pieces; a rotation preventer(120) having an inner surface which contacts an outer peripheral surface of the tool and is stepped such that the rotation preventer is inserted in the rotation preventer receiving part; and an extended cover(130) which has a first holding surface(132) pressurizing each second holding surface(124) of the rotation preventer, and which is fixed to an upper end of the rotation preventer receiving part. The second holding surface of the rotation preventer and the first holding surface of the cover are inclined.

Description

회전 절삭공구용 콜릿척{COLLET CHUCK FOR ROTARY CUTTING TOOL}Collet chuck for rotary cutting tools {COLLET CHUCK FOR ROTARY CUTTING TOOL}

본 발명은 회전 절삭공구용 콜릿척에 관한 것으로, 더욱 상세하게는 척킹(Chucking)되는 공구로 가공물을 가공할 때 가공물의 절삭력(저항력)에 의해 척 내부에서 공구가 물려있지 못하고 공회전하는 것을 방지할 수 있도록 척킹력을 상승시키는 회전 절삭공구용 콜릿척에 관한 것이다.The present invention relates to a collet chuck for a rotary cutting tool, and more particularly, when machining a workpiece with a tool that is chucked, it is possible to prevent the tool from being held in the chuck without idling due to the cutting force (resistance) of the workpiece. It relates to a collet chuck for a rotary cutting tool to increase the chucking force.

일반적으로 콜릿척은 선반 등과 같은 공작 기계에서 가는 지름의 봉재를 가공하기 위해 고정하거나 밀링 등과 같은 공작 기계에서 공구를 고정하기 위해 주축의 테이퍼 구멍에 슬리브를 꽂고 여기에 삽입 고정하는 부속품이다.In general, the collet chuck is an accessory that inserts and inserts a sleeve into a tapered hole of a spindle to fix a bar of a thin diameter in a machine tool such as a lathe or to fix a tool in a machine tool such as a mill.

여기서, 상기 콜릿척은 선단에 경사지고 이와 상응하는 슬리브의 선단 내부가 경사져 이 콜릿척을 후진시키면 상기 슬리브의 경사면을 따라 이 콜릿척의 슬릿 간격이 좁아지면서 절사공구를 가압하여 척킹하는 것이다.Here, the collet chuck is inclined to the tip and the inside of the tip of the corresponding sleeve is inclined so as to reverse the collet chuck to press and chuck the cutting tool while narrowing the slit gap of the collet chuck along the inclined surface of the sleeve.

종래의 콜릿척은 도면에는 도시하지 않았지만 공구를 척킹하고 회전할 때 공구가 가공물을 절삭하게 되면 공구는 가공물에 의해서 저항을 받게 되는데 이때 콜 릿척에 공구가 불안정하게 물려있으면 콜릿척은 회전되지만 공구는 가공물에 끼여 멈추거나 또는 콜릿척과 따로 회전되어 공구 및 공작물이 파손되는 문제점이 있었다.Although the conventional collet chuck is not shown in the drawing, when the tool cuts the workpiece when the tool is chucked and rotated, the tool is resisted by the workpiece. If the tool is unstable in the collet chuck, the collet chuck is rotated, but the tool There was a problem that the tool and the workpiece is damaged by being stuck in the workpiece or stopped separately from the collet chuck.

본 발명은 상기 종래의 문제점을 해결하기 위하여 안출된 것으로서, 그 목적은 척킹되는 공구로 가공물을 가공할 때 가공물의 절삭력(저항력)에 의해 척 내부에서 공구가 물려있지 못하고 공회전하는 것을 방지할 수 있도록 척킹력을 상승시킬 수 있게 한 회전 절삭공구용 콜릿척을 제공함에 있다.The present invention has been made to solve the above-mentioned problems, the object of the present invention is to prevent the tool from being held in the chuck due to the cutting force (resistance force) of the workpiece when machining the workpiece with the tool to be chucked to prevent idling. It is to provide a collet chuck for a rotary cutting tool that can increase the chucking force.

상술한 목적을 달성하기 위하여 본 발명의 특징은, 공구를 척킹/언척킹하는 콜릿척에서 분할편의 선단 외주면 각각에 회전방지구 수용부가 내주면까지 단차지면서 관통 형성되는 척 헤드; 상기 척 헤드의 회전방지구 수용부에 각각 삽입되도록 상응하는 단차 형상으로 형성되어 그 내면이 공구의 외주면에 접하는 회전방지구; 및 상기 회전방지구의 외면인 제2 지지면을 각각 가압하도록 접하는 제1 지지면이 돌출형성되고 상기 회전방지구 수용부의 상단에 고정될 수 있도록 연장 형성되는 커버; 를 포함하여 이루어지는 회전 절삭공구용 콜릿척에 있어서, 상기 회전방지구의 제2 지지면과 상기 커버의 제1 지지면이 경사지게 형성되는 것을 특징으로 한다.In order to achieve the above object, a feature of the present invention is a collet chuck that chucks / unchucks a chuck head which is penetrated through a rotation prevention device receiving portion to an inner circumferential surface of each of the distal end circumferential surfaces of the split piece; An anti-rotation tool formed in a corresponding step shape to be respectively inserted into the anti-rotation device receiving portion of the chuck head, the anti-rotation tool having an inner surface thereof in contact with an outer circumferential surface of the tool; And a cover extending from the first support surface to be in contact with each other to press the second support surface, which is an outer surface of the rotation preventing member, to protrude and be fixed to an upper end of the rotation preventing device receiving portion. In the collet chuck for a rotary cutting tool comprising a, characterized in that the second support surface and the first support surface of the cover is formed to be inclined.

삭제delete

삭제delete

삭제delete

이와 같은 본 발명의 회전 절삭공구용 콜릿척은 척킹되는 공구로 가공물을 가공할 때 가공물의 절삭력(저항력)에 의해 척 내부에서 공구가 물려있지 못하고 공회전하는 것을 방지할 수 있도록 척킹력을 상승시키는 효과가 있다.The collet chuck for rotary cutting tools of the present invention has an effect of increasing the chucking force to prevent the tool from being held in the chuck without idling by the cutting force (resistance force) of the workpiece when machining the workpiece with the chucked tool. There is.

이하, 본 발명의 회전 절삭공구용 콜릿척을 첨부도면을 참조하여 일 실시 예를 들어 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, a collet chuck for a rotary cutting tool of the present invention will be described with reference to an embodiment as follows.

본 발명의 바람직한 일 실시 예에 따른 회전 절삭공구용 콜릿척은 도 1 내지 도 4에 도시된 바와 같이 척 헤드(100), 회전방지구(120) 및 커버(130)로 이루어진다.Collet chuck for a rotary cutting tool according to an embodiment of the present invention is composed of a chuck head 100, a rotation preventing tool 120 and a cover 130 as shown in FIG.

상기 척 헤드(100)는 선단이 경사지고 후단은 주축(도면에 미도시)에 후단이 고정되는 슬리브(200)의 내부에 삽입되어 상기 주축의 내부에 구비된 연결축(도면에 미도시)의 전/후 구동에 의해 전/후 이동함에 따라 절삭공구(T)를 언척킹(Unchucking)/척킹(Chucking)될 수 있도록 나선 형성되고 외주면을 따라 공구 삽입부(114)까지 방사상으로 연결되도록 슬릿(Slit: 112)을 사이에 두고 분할편이 다수 형성된다. The chuck head 100 is inserted into the sleeve 200, the front end is inclined and the rear end is fixed to the main shaft (not shown in the drawing) of the connecting shaft (not shown in the drawing) provided inside the main shaft The slit is formed spirally so that the cutting tool T can be unchucked / chucked as it moves forward / backward by the front / rear drive and is radially connected to the tool insert 114 along the outer circumferential surface. A plurality of split pieces are formed with Slit: 112 therebetween.

그리고 상기 척 헤드(100)에는 상기 분할편의 선단 외주면 각각에 상기 공구 삽입구(114)까지 단차 형태로 관통 형성되는 회전방지구 수용부(116)가 구비된다.In addition, the chuck head 100 is provided with a rotary stopper receiving portion 116 formed in a stepped form up to the tool insertion hole 114 on each of the distal end circumferential surface of the split piece.

여기서, 상기 회전방지구 수용부(116)는 단차 형성되며 입구가 후술할 커버(130)의 연장부(134) 형상과 상응하도록 형성된다.Here, the rotation preventing device receiving portion 116 is formed stepped and the inlet is formed to correspond to the shape of the extension portion 134 of the cover 130 to be described later.

한편, 본 실시 예에서는 상기 분할편이 6개로 분할 형성되는 것을 예시하며 개수의 증감이 가능하다.On the other hand, in the present embodiment illustrates that the divided pieces are divided into six pieces, the number can be increased or decreased.

상기 회전방지구(120)는 상기 회전방지구 수용부(116)에 각각 삽입되도록 상응하는 단차 형상으로 형성되어 그 내면에 상기 절삭공구(T)의 외주면을 가압하도록 요철(122)이 이 절삭공구(T)의 삽입 방향을 따라 다수 형성된다. 그리고 상기 요철(122)은 직선 이외에 사선 또는 교차선 형상으로 형성될 수 있다.The anti-rotation tool 120 is formed in a corresponding stepped shape so as to be inserted into the anti-rotation device receiving portion 116, respectively, so that the uneven surface 122 to press the outer peripheral surface of the cutting tool (T) on its inner surface. A large number is formed along the insertion direction of (T). In addition, the unevenness 122 may be formed in an oblique or intersecting shape in addition to a straight line.

더욱이, 상기 회전방지구(120)의 외면에 후술할 커버(130)의 제1 지지면(132)에 대응되는 제2 지지면(124)이 형성된다.Further, a second support surface 124 corresponding to the first support surface 132 of the cover 130 to be described later is formed on the outer surface of the anti-rotation tool 120.

그리고 상기 제2 지지면(124) 및 제1 지지면(132)은 상호 경사진 상태로 접하여 절삭공구(T)가 가공물에 의해서 회전 방향에 대한 저항을 받게 되면 상기 절삭공구(T)가 반대 방향으로 회전하지 못하도록 하여 결국 척킹력을 형상시키는 기능을 한다.In addition, when the second support surface 124 and the first support surface 132 contact each other in an inclined state and the cutting tool T receives resistance to the rotational direction by the workpiece, the cutting tool T is in the opposite direction. It prevents the rotation to eventually function to shape the chucking force.

여기서, 상기 제2 지지면(124)은 척의 회전 방향으로 선단이 높도록 경사지고 상기 제1 지지면(132)은 이 제1 지지면(124)과 대응되도록 절삭공구(T)에 작용되는 저항력의 발생 방향으로 선단이 높도록 경사진다.Here, the second support surface 124 is inclined so that the tip is high in the direction of rotation of the chuck and the first support surface 132 is a resistance force applied to the cutting tool (T) to correspond to the first support surface 124 The tip is inclined to be high in the direction of occurrence.

상기 커버(130)는 상기 회전방지구(120)의 제2 지지면(124)에 접하면서 상기 척 헤드(110)의 회전방지구 수용부(116)에 이 회전방지구(120)를 볼팅에 의해 고정한다.The cover 130 is in contact with the second support surface 124 of the anti-rotation device 120 while the anti-rotation device 120 is bolted to the anti-rotation device receiving portion 116 of the chuck head 110. By fixing.

여기서, 상기 커버(130)는 하단이 상기 회전방지구(120)의 제2 지지면(124)에 접하도록 상응하는 제1 지지면(132)이 돌출 형성되고 상단에 상기 회전방지구 수용부(116)의 입구와 상응하도록 연장부(134)가 형성된다.Here, the cover 130 has a corresponding first support surface 132 is formed to protrude so that the bottom is in contact with the second support surface 124 of the anti-rotation device 120 and the anti-rotation device receiving portion ( An extension 134 is formed to correspond with the inlet of 116.

그리고 상기 연장부(134)를 통해 상기 회전방지구 수용부(116)의 양측으로 볼트가 체결된다.And bolts are fastened to both sides of the rotation preventing device receiving portion 116 through the extension portion 134.

더욱이, 상기 커버(130)는 상기 절삭공구(T)를 가압하는 상기 회전방지구(120)의 요철(122) 마모시 이 회전방지구(120)의 교체 또는 유지보수를 위해 장/탈착이 용이하다.In addition, the cover 130 is easy to mount / detach for the replacement or maintenance of the rotation prevention tool 120 when the uneven surface 122 of the rotation prevention tool 120 for pressing the cutting tool (T) is easy. Do.

그러므로 본 발명에 의한 회전 절삭공구용 콜릿척의 작동 과정은 우선, 상기 척 헤드(110)의 회전방지구 수용부(116)에 제2 지지면(124)이 동일한 방향에 위치하도록 상기 회전 방지구(120)를 각각 삽입한 후 그 외측에서 상기 제1 지지면(132)이 상응하도록 상기 커버(130)를 볼팅(Bolting)하여 각각 조립한다.Therefore, the operation process of the collet chuck for rotary cutting tool according to the present invention, first, the rotation preventing tool (124) in the rotation preventing tool receiving portion 116 of the chuck head 110 is located in the same direction. After inserting 120 respectively, the cover 130 is assembled by bolting the first support surface 132 to correspond to each other.

다음으로, 상기 척 헤드(110)의 후단을 상기 슬리브(200)가 고정된 주축 내부의 연결축에 나선 체결하여 고정시킨다.Next, the rear end of the chuck head 110 is fixed by screwing to the connecting shaft inside the main shaft to which the sleeve 200 is fixed.

다음으로, 상기 공구 삽입부(114)에 절삭공구(T)를 삽입한 후 상기 연결축을 구동수단(도면에 미도시)의 구동에 의해 후진시키면 상기 척 헤드(110)의 슬릿(112) 각각의 간격이 좁아지면서 상기 절삭공구(T)가 척킹된다.Next, after the cutting tool T is inserted into the tool inserting part 114, the connecting shaft is retracted by driving a driving means (not shown). Each of the slits 112 of the chuck head 110 may be formed. The cutting tool T is chucked while the gap is narrowed.

다음으로, 상기 주축을 회전시켜 척킹된 절삭공구(T)로 공작물을 가공하게 되며, 이때, 상기 절삭공구(T)에 의한 공작물 가공시 가공물에 의해 회전 방향에 대한 저항을 받게 되면 상기 공구 삽입부(114)의 내부에서 공구 회전 방향의 반대 방향으로 이 절삭공구(T)가 회전되는 방지할 수 있게 상기 회전방지구(120)의 요철(122)이 가압하고 있는 상태이다.Next, the workpiece is processed by the chucked cutting tool (T) by rotating the main shaft, when the workpiece is subjected to the resistance in the direction of rotation by the workpiece when the workpiece is processed by the cutting tool (T) The recesses and protrusions 122 of the anti-rotation tool 120 are pressed to prevent the cutting tool T from being rotated in the direction opposite to the tool rotation direction inside the 114.

그 후, 상기 회전방지구(120)의 요철(122)이 마모 또는 파손되어 교체 또는 유지보수가 필요할 경우 상기 커버(130)를 회전방지구 수용부(116)에서 분리한 다음 상기 회전방지구(120)를 분리하면 된다.Then, when the convex and convexity 122 of the anti-rotation tool 120 is worn or damaged and needs replacement or maintenance, the cover 130 is detached from the anti-rotation device receiving portion 116 and then the anti-rotation tool ( 120).

도 1은 본 발명에 의한 회전 절삭공구용 콜릿척을 도시한 결합 사시도이다.1 is a combined perspective view showing a collet chuck for a rotary cutting tool according to the present invention.

도 2는 상기 회전 절삭공구용 콜릿척에 대한 분해 사시도이다.2 is an exploded perspective view of the collet chuck for the rotary cutting tool.

도 3은 상기 회전 절삭공구용 콜릿척의 요부 종단면도이다.3 is a longitudinal sectional view of principal parts of the collet chuck for the rotary cutting tool.

도 4는 도 2의 A-A 선 단면도이다.4 is a cross-sectional view taken along the line A-A of FIG.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

100: 콜릿척 110: 척 헤드100: collet chuck 110: chuck head

116: 회전방지구 수용부 120: 회전방지구116: anti-rotation unit receiving portion 120: anti-rotation

122: 요철 124: 제2 지지면122: unevenness 124: second support surface

130: 커버 132: 제1 지지면130: cover 132: first support surface

Claims (4)

삭제delete 삭제delete 공구를 척킹/언척킹하는 콜릿척에서 분할편의 선단 외주면 각각에 회전방지구 수용부가 내주면까지 단차지면서 관통 형성되는 척 헤드; 상기 척 헤드의 회전방지구 수용부에 각각 삽입되도록 상응하는 단차 형상으로 형성되어 그 내면이 공구의 외주면에 접하는 회전방지구; 및 상기 회전방지구의 외면인 제2 지지면을 각각 가압하도록 접하는 제1 지지면이 돌출형성되고 상기 회전방지구 수용부의 상단에 고정될 수 있도록 연장 형성되는 커버; 를 포함하여 이루어지는 회전 절삭공구용 콜릿척에 있어서, A chuck head which is formed through the anti-rotation device receiving portion at each end outer peripheral surface of the split piece in a collet chuck for chucking / unchucking a tool and penetrating to the inner peripheral surface; An anti-rotation tool formed in a corresponding step shape to be respectively inserted into the anti-rotation device receiving portion of the chuck head, the anti-rotation tool having an inner surface thereof in contact with an outer circumferential surface of the tool; And a cover extending from the first support surface to be in contact with each other to press the second support surface, which is an outer surface of the rotation preventing member, to protrude and be fixed to an upper end of the rotation preventing device receiving portion. In the collet chuck for a rotary cutting tool comprising: 상기 회전방지구의 제2 지지면과 상기 커버의 제1 지지면이 경사지게 형성되는 것을 특징으로 하는 회전 절삭공구용 콜릿척.And a second support surface of the anti-rotation tool and a first support surface of the cover are inclined. 삭제delete
KR1020070101192A 2007-10-09 2007-10-09 Collet chuck for rotary cutting tool KR100881056B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070101192A KR100881056B1 (en) 2007-10-09 2007-10-09 Collet chuck for rotary cutting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070101192A KR100881056B1 (en) 2007-10-09 2007-10-09 Collet chuck for rotary cutting tool

Publications (1)

Publication Number Publication Date
KR100881056B1 true KR100881056B1 (en) 2009-01-30

Family

ID=40483231

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070101192A KR100881056B1 (en) 2007-10-09 2007-10-09 Collet chuck for rotary cutting tool

Country Status (1)

Country Link
KR (1) KR100881056B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112267981A (en) * 2020-11-12 2021-01-26 龙源（北京）风电工程技术有限公司 Monitoring device and monitoring method for monitoring bolt loosening state and wind turbine generator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4236722A (en) * 1979-05-16 1980-12-02 Sheffer Collet Company Double acting cam operated chuck collet
JPS5939109U (en) * 1982-09-02 1984-03-13 株式会社不二越 Collection check
JPS63133907U (en) * 1987-02-25 1988-09-01
JP2004249392A (en) 2003-02-19 2004-09-09 Sanko:Kk Collet chuck device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4236722A (en) * 1979-05-16 1980-12-02 Sheffer Collet Company Double acting cam operated chuck collet
JPS5939109U (en) * 1982-09-02 1984-03-13 株式会社不二越 Collection check
JPS63133907U (en) * 1987-02-25 1988-09-01
JP2004249392A (en) 2003-02-19 2004-09-09 Sanko:Kk Collet chuck device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112267981A (en) * 2020-11-12 2021-01-26 龙源（北京）风电工程技术有限公司 Monitoring device and monitoring method for monitoring bolt loosening state and wind turbine generator

Similar Documents

Publication Publication Date Title
KR100621952B1 (en) End mill chucking structure
JPH0857774A (en) Combination mold tool
KR20120016257A (en) Chuck device
JPH0710444B2 (en) Spring collet
JP5310191B2 (en) Insert detachable cutting tool
EP2570213A1 (en) Tool holder
KR100881056B1 (en) Collet chuck for rotary cutting tool
JP3009999B2 (en) Tool holder for cutting tools
JP5439695B2 (en) Chuck device and chuck device nut
KR20090010783A (en) A lathe turret
JP3113605B2 (en) Rotary tool fixing device and thread forming method
JP4990693B2 (en) Split groove structure of collet for chuck
KR101838981B1 (en) BMT Type tool turret
KR101064753B1 (en) A connection device for holder of cutting tool
US8888420B2 (en) Tool chucking apparatus
KR20090108205A (en) The Taper Holder for Cutting Tool
JP5923646B1 (en) Shrink-fitting tool holder and cutter chucking structure
JP5655130B2 (en) Chuck device
KR101169348B1 (en) A connection device for holder of cutting tool
JP5845816B2 (en) Tip replacement type cutting tool
KR100563589B1 (en) Hydraulic collet chuck assembly for eccentric part macnining
JP2001219310A (en) Collet and tightening nut of collet chuck
KR100855847B1 (en) Milling chuck
KR100341143B1 (en) Spindle clamping apparatus
US10940541B2 (en) Shrink fit adapter for a collet chuck

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20121129

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20140115

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20141126

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20151211

Year of fee payment: 8

FPAY Annual fee payment

Payment date: 20170210

Year of fee payment: 9