WO2014027466A1 - コレットチャックを備えた加工装置 - Google Patents

コレットチャックを備えた加工装置 Download PDF

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Publication number
WO2014027466A1
WO2014027466A1 PCT/JP2013/004869 JP2013004869W WO2014027466A1 WO 2014027466 A1 WO2014027466 A1 WO 2014027466A1 JP 2013004869 W JP2013004869 W JP 2013004869W WO 2014027466 A1 WO2014027466 A1 WO 2014027466A1
Authority
WO
WIPO (PCT)
Prior art keywords
collet chuck
head
peripheral surface
rear end
outer peripheral
Prior art date
Application number
PCT/JP2013/004869
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
誠司 山浦
和秀 小杉
Original Assignee
長野オートメーション株式会社
日立粉末冶金株式会社
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 長野オートメーション株式会社, 日立粉末冶金株式会社 filed Critical 長野オートメーション株式会社
Priority to CN201380041291.2A priority Critical patent/CN104619445B/zh
Priority to JP2014530474A priority patent/JP6234927B2/ja
Priority to KR1020157003839A priority patent/KR102086700B1/ko
Publication of WO2014027466A1 publication Critical patent/WO2014027466A1/ja
Priority to HK15110842.2A priority patent/HK1210096A1/zh

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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
    • B23B31/201—Characterized by features relating primarily to remote control of the gripping means
    • B23B31/202—Details of the jaws
    • 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
    • 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
    • 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
    • B23B31/201—Characterized by features relating primarily to remote control of the gripping means
    • B23B31/207—Characterized by features relating primarily to remote control of the gripping means using mechanical transmission through the spindle
    • B23B31/2073—Axially fixed cam, moving jaws
    • 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
    • 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
    • B23B2231/2078—Jaw carriers, i.e. components retaining the collet itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/072—Grooves

Definitions

  • the present invention relates to a processing apparatus provided with a collet chuck.
  • Japanese Laid-Open Patent Publication No. 2000-218414 describes that a collet chuck joint device that can replace a collet chuck with good workability by using the necessary minimum parts replacement or modification is described.
  • a collet chuck joint device in which a collet chuck capable of holding a workpiece is fitted in a rotatable cylindrical spindle body so as to be openable and closable, a draw bar fitted into the spindle body so as to be movable back and forth, and the draw bar
  • the collet chuck can be attached to and detached from the spindle body by releasing the bias of the taper bolt connected to the joint to the joint, releasing the connection with the joint, and removing the taper bolt from the opening.
  • One aspect of the present invention includes a collet chuck for gripping a workpiece on the tip side, a head connected to the main shaft, including a hollow portion into which the collet chuck is inserted, and a sleeve for opening and closing the tip of the collet chuck. It is the processing apparatus which has.
  • the collet chuck has a rear end, a cylindrical first outer peripheral surface provided on the rear end side, a part of the first outer peripheral surface recessed in a ring shape, and a rear end side formed on the first tapered surface. And a recessed portion.
  • the head includes a first base surface against which a rear end of the collet chuck inserted into the hollow portion abuts, and a cylindrical first inner peripheral surface that contacts the first outer peripheral surface of the collet chuck inserted into the hollow portion.
  • the plurality of through-holes extending in the radial direction from the first inner peripheral surface toward the outer peripheral surface of the head and inserted into the hollow portion when the plurality of rod-shaped members each having the second tapered surface are inserted.
  • the tip or a portion close to the tapered surface is in contact with the tapered surface (first tapered surface) of the concave portion of the collet chuck in the through hole opened in the radial direction.
  • the collet chuck can be attached to the head by inserting the formed rod-shaped member. Further, the collet chuck can be released from the head by pulling out the rod-shaped member. Therefore, by making the outer diameter of the first outer peripheral surface on the rear end side of the collet chuck smaller than the inner diameter of the sleeve, the collet chuck can be easily attached to and detached from the head only by removing or attaching the rod-shaped member. For this reason, the collet chuck can be easily replaced in a short time.
  • the rod-shaped member may be one that can be screwed to the head, or may be one that can be fixed to the head using a locking member such as a pin.
  • the collet chuck is fixed to the head by combining a ring-shaped groove (concave portion) having a tapered side surface and a rod-shaped member (stopper) having a tapered surface at a portion entering the groove. Therefore, alignment of the head and the collet chuck is substantially unnecessary when putting the rod-shaped member into the through hole. Further, the rear end of the collet chuck is pressed against the first base surface of the head by combining the tapered surfaces, and the collet chuck is fixed to the head.
  • the collet chuck rotates with the main shaft in a state where the entire circumference of the rear end of the collet chuck and the entire circumference of the first base surface are pressed, and the collet chuck rotates with play. Few. Further, since the mechanism that is loosened by the rotation of the collet chuck is omitted, the collet chuck is completely fixed to the head during processing. For this reason, this processing apparatus can perform highly accurate processing stably.
  • Another aspect of the present invention is a collet chuck for gripping a workpiece on the front end side, a rear end, a cylindrical first outer peripheral surface provided on the rear end side, and a first
  • This is a collet chuck having a concave portion in which a part of the outer peripheral surface is recessed in a ring shape and the rear end side is a first tapered surface.
  • the collet chuck preferably has an outer diameter of the first outer peripheral surface smaller than an outer diameter of the tip.
  • the head includes a hollow portion into which the collet chuck is inserted, a sleeve for opening and closing the tip of the collet chuck, a first base surface against which the rear end of the collet chuck hits when the collet chuck is inserted into the hollow portion, and a hollow portion A cylindrical first inner peripheral surface that comes into contact with the cylindrical first outer peripheral surface on the rear end side of the collet chuck when the collet chuck is inserted, and the first inner peripheral surface to the outer peripheral surface of the head.
  • the second tapered surface hits the tapered surface
  • the rear end of the collet chuck comes into contact with the first base surface and has a plurality of through holes in which the collet chuck is fixed to the head.
  • FIG. 1 which shows schematic structure of a processing apparatus.
  • Sectional drawing which shows the structure of the head of a processing apparatus.
  • Sectional drawing which shows the state which removed the collet chuck from the head.
  • FIG. 1 shows an outline of a processing apparatus provided with a collet chuck.
  • the processing apparatus 1 is typically a lathe, and includes a turning unit 19 that grips and turns the workpiece 5 and a tool holder 18 on which a tool for processing the gripped workpiece 5 is mounted.
  • the swivel unit 19 includes a headstock 17, a main shaft 10 that is rotatably supported by the main shaft base 17, and is provided with a through hole 13 along the axis 12, and a motor 15 that rotationally drives the main shaft 10.
  • the through hole 13 functions as a supply path for the workpiece 5.
  • the swivel unit 19 is further connected (communication) with the supply path 13, and supports the collet chuck 50 that holds the workpiece 5 supplied via the supply path 13, and rotates with the spindle 10 while supporting the collet chuck 50. Head 20.
  • the processing apparatus 1 further includes a supply unit 16 that supplies the workpiece (workpiece, member) 5 from the side opposite to the collet chuck 50 of the processing apparatus 1 via the supply path 12.
  • FIG. 2 is a sectional view showing the structure of the head portion.
  • FIG. 3 shows a state where the collet chuck 50 is removed from the processing apparatus 1.
  • the processing apparatus 1 includes a head 20 attached to one end of the main shaft 10 and rotating with the main shaft 10, and a collet chuck 50 housed in the head 20.
  • the processing apparatus 1 further includes a hollow supply sleeve 11 that forms a supply path 12 that penetrates the main shaft 10 along the shaft 13.
  • the supply path 12 reaches the collet chuck 50.
  • the workpiece (workpiece, member) gripped by the collet chuck 50 can be supplied from the side opposite to the collet chuck 50 of the processing apparatus 1 through the supply path 12.
  • the workpiece may be supplied from the tip side of the collet chuck 50.
  • the head 20 has a cylindrical shape as a whole, a hollow portion 21 that houses the collet chuck 50 along the rotation axis (center axis) 13, and a sleeve 30 that is housed in the hollow portion 21 so as to be positioned at the tip 29 of the head 20.
  • the sleeve 30 opens and closes the collet chuck 50 by guiding a tapered portion 51 that expands toward the tip 59 on the side of the tip 59 of the collet chuck 50 housed in the hollow portion 21.
  • the inner peripheral surface 31 of the sleeve 30 has a tapered shape that widens toward the tip 29 side of the head 20.
  • the inner peripheral surface 53 of the tapered portion 51 of the collet chuck 50 is deformed. Can be gripped or released (clamped or unclamped).
  • the collet chuck 50 is generally cylindrical and hollow inside, and includes a tapered portion 51 on the tip 59 side.
  • the collet chuck 50 has a cylindrical first outer peripheral surface 57 and a part of the first outer peripheral surface 57 recessed in a ring shape on the rear end 58 side, and the rear end 58 side outward toward the rear end 58. And a concave portion 55 that is a first tapered surface 56 that spreads out.
  • the first outer peripheral surface 57 hits the inner surface (first inner peripheral surface) 24 of the hollow portion 21 when the collet chuck 50 is inserted into the hollow portion 21, and the central axis 54 of the collet chuck 50 and the central axis of the head 20, That is, it is a surface (a first reference outer peripheral surface, a reference outer surface, and a base outer surface) that serves as a reference for matching the central axis 13 of the main shaft 10.
  • the collet chuck 50 is set (inserted and stored) in the hollow portion 21, the rear end 58 of the collet chuck 50 faces the front end 11a of the material supply sleeve 11, and the workpiece supplied via the supply path 12 is collet chucked. 50 can be led smoothly into the interior.
  • the head 20 further includes a first base surface (bottom surface, end surface) 28 with which the rear end 58 of the collet chuck 50 accommodated or inserted in the hollow portion 21 abuts in the hollow portion 21, and the collet chuck 50 in the hollow portion 21.
  • a cylindrical first inner peripheral surface (first reference inner peripheral surface) 24 that comes into contact with the first outer peripheral surface 57 serving as a reference for axis alignment and a fixing mechanism 40 are included.
  • the surfaces 57 and 24 are set as a reference.
  • the collet chuck 50 can be set on the head 20 with the central axis 54 of the collet chuck 50 aligned with the central axis 13 of the main shaft 10.
  • the fixing mechanism 40 includes a plurality of through holes 41 extending in a radial direction from the first inner peripheral surface 24 serving as a reference toward the outer peripheral surface 27 of the head 20, and rod-like stoppers inserted into the plurality of through holes 41 ( Rod-like member) 42.
  • the plurality of through holes 41 it is desirable that three or four or more through holes 41 are arranged at rotationally symmetric positions around the central axis 13.
  • three through holes 41 can be arranged at a pitch of 120 degrees, or four through holes 41 can be arranged at a pitch of 90 degrees.
  • the number of through holes 41 may be five or more.
  • the rod-shaped stopper 42 disposed around the first inner peripheral surface 24 includes a second tapered surface 46 that narrows toward the distal end 43 at the distal end 43.
  • the angle of the second tapered surface 46 is an angle that is common to or corresponds to the angle of the first tapered surface 56 of the concave portion 55 of the collet chuck 50.
  • the second tapered surface 46 of the tip 43 is accommodated (inserted) in the hollow portion 21 of the collet chuck 50. It hits the first tapered surface 56 of the recess 55.
  • the collet chuck 50 is hollowed between the second tapered surface 46 at the tip of the stopper 42 and the first tapered surface 56 of the concave portion 55 of the collet chuck 50. A pressing force is generated on the rear side of the portion 21.
  • the rear end 58 of the collet chuck 50 is pressed against the first base surface (bottom surface, end surface) 28 of the hollow portion 21, and the collet chuck 50 can be mechanically connected to the head 20.
  • the stopper 42 By fixing the stopper 42 in this state, the collet chuck 50 can be stably rotated together with the head 20.
  • a male thread part 48 is provided in a part of the stopper 42, and is screwed and fixed with a hexagon wrench or the like through a nut part 47 provided outside the through hole 41, whereby the collet chuck 50 and the rear end 58 of the head 20 are fixed.
  • the first base surface 28 can be fixed to the head 20 in a pressed state.
  • the method for fixing the stopper 42 is not limited to a screw, and may be a lock mechanism using a pin.
  • a collet is formed on the head 20 by combining a ring-shaped groove (concave portion) 55 having a tapered side surface 56 and a rod-shaped member (stopper) 42 having a tapered surface 46 at a portion entering the groove 55.
  • the chuck 50 is fixed. Therefore, when the stopper 42 is inserted into the through hole 41, the circumferential alignment between the head 20 and the collet chuck 50 is unnecessary.
  • the collet chuck 50 is fixed to the head 20 by pressing the rear end 58 of the collet chuck 50 against the first base surface 28 of the head 10 by a combination of the tapered surfaces 46 and 56. Therefore, the collet chuck 50 rotates together with the main shaft 10 in a state where the entire circumference of the rear end 58 of the collet chuck 50 and the entire circumference of the first base surface 28 of the head 20 are pressed (joined). Therefore, the play of the collet chuck 50 hardly occurs. Further, since the mechanism that is loosened by the rotation of the collet chuck 50 is omitted, the collet chuck 50 is completely fixed to the head 20 during processing. For this reason, this processing apparatus 1 can stably perform highly accurate processing.
  • the head 20 includes, on its rear side, a drive ring 35 that moves in conjunction with the supply sleeve 11 and a connecting member 36 that connects the drive ring 35 and the sleeve 30.
  • the opening / closing sleeve 30 is connected to the hollow portion 21 and is housed in a recess 26 opened at the tip (front) 29 of the head 20, and slides while the inner peripheral surface 26 a of the recess 26 and the outer peripheral surface 30 a of the sleeve 30 are in contact with each other. To do.
  • the sleeve 30 By moving the supply sleeve 11 back and forth along the shaft 13 as a drawer, the sleeve 30 can be moved back and forth, and the tapered portion 51 of the collet chuck 50 can be opened and closed.
  • the collet chuck 50 when the collet chuck 50 is inserted into the hollow portion 21 provided in the head 20 which is a storage portion of the collet chuck 50, the first inner peripheral surface of the hollow portion 21 is used. 24, the center axis 54 of the collet chuck 50 and the center axis 13 of the main shaft 10 can be aligned with each other. Further, by inserting a rod-shaped stopper 42 through the through hole 41 in the radial direction toward the central axis 13, the collet chuck 50 is pressed against the base surface 28 at the rear end of the hollow portion 21 and the collet chuck 50 is moved to the head 20. Can be fixed.
  • a plurality of rod-shaped stoppers 42 are removed from the through holes 41, or the tips 43 of the stoppers 42 are disposed on the inner peripheral surface (first inner surface) of the hollow portion 21.
  • the collet chuck 50 can be removed from the hollow portion 21 of the head 20 very easily by pulling the stopper 42 in the direction of the outer peripheral surface 27 until it retracts from the peripheral surface 24). Therefore, the collet chuck 50 can be replaced easily and in a short time when the diameter of the workpiece to be chucked (clamped) by the processing apparatus 1 is different.
  • the diameter (outer diameter) R2 of the first outer peripheral surface 57 of the rear end (rear) 58 of the collet chuck 50 is made smaller than the minimum outer diameter R1 of the tapered portion 51 of the front end (front) 59, thereby The outer diameter R2 of the surface 57 can be made smaller than the minimum inner diameter r1 of the sleeve 30. Therefore, the collet chuck 50 can be attached to and detached from the head 20 without removing the sleeve 30. For this reason, the collet chuck 50 can be replaced in a shorter time.
  • the pull-type collet chuck is described as an example.
  • other types of collet chucks such as a stationary collet and a push-type collet may be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
  • Connecting Device With Holders (AREA)
PCT/JP2013/004869 2012-08-17 2013-08-15 コレットチャックを備えた加工装置 WO2014027466A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201380041291.2A CN104619445B (zh) 2012-08-17 2013-08-15 弹簧夹头、头部以及具有弹簧夹头的加工装置
JP2014530474A JP6234927B2 (ja) 2012-08-17 2013-08-15 コレットチャックを備えた加工装置
KR1020157003839A KR102086700B1 (ko) 2012-08-17 2013-08-15 콜릿 척을 구비한 가공 장치
HK15110842.2A HK1210096A1 (zh) 2012-08-17 2015-11-03 具有彈簧夾頭的加工裝置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-181177 2012-08-17
JP2012181177 2012-08-17

Publications (1)

Publication Number Publication Date
WO2014027466A1 true WO2014027466A1 (ja) 2014-02-20

Family

ID=50685510

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/004869 WO2014027466A1 (ja) 2012-08-17 2013-08-15 コレットチャックを備えた加工装置

Country Status (6)

Country Link
JP (1) JP6234927B2 (zh)
KR (1) KR102086700B1 (zh)
CN (1) CN104619445B (zh)
HK (1) HK1210096A1 (zh)
TW (1) TWI621486B (zh)
WO (1) WO2014027466A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017022118A1 (ja) * 2015-08-06 2017-02-09 富士機械製造株式会社 チャック装置
JP2020062708A (ja) * 2018-10-16 2020-04-23 マツダ株式会社 コレットチャック装置
CN115417233A (zh) * 2022-09-05 2022-12-02 武汉锐科光纤激光技术股份有限公司 一种盘绕装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6590704B2 (ja) * 2016-01-12 2019-10-16 株式会社中電工 先端工具連結構造
KR101966196B1 (ko) 2016-04-28 2019-04-08 셰플러코리아(유) 베어링 궤도륜 가공 척킹 시스템
CN105798346B (zh) * 2016-05-03 2018-07-27 江南工业集团有限公司 一种圆形棒料夹紧装置
JP6762042B2 (ja) * 2016-09-06 2020-09-30 Ｂｉｇ Ｄａｉｓｈｏｗａ株式会社 工具用チャック並びに工具保持方法及び工具取り外し方法
CN110181287B (zh) * 2019-06-25 2024-05-14 广东鼎泰机器人科技有限公司 一种五站式铣刀加工机
CN113020643B (zh) * 2021-03-29 2022-05-03 成都工贸职业技术学院 一种高精全接触面卡盘

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JPS50141284A (zh) * 1974-04-30 1975-11-13
US4575293A (en) * 1984-07-12 1986-03-11 Mario Berti Machine tool holder having opposed ramp members
JPH09108917A (ja) * 1995-10-18 1997-04-28 Honda Motor Co Ltd コレットチャック及びワークドライブ装置
JPH09123005A (ja) * 1995-11-02 1997-05-13 Toyoda Mach Works Ltd コレットチャック装置
JP2001113403A (ja) * 1999-10-15 2001-04-24 Tsugami Tool:Kk ドリルチャック及びチャック装置
JP2007331080A (ja) * 2006-06-16 2007-12-27 Masato Ishii コレットチャック

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JP2839592B2 (ja) * 1989-11-17 1998-12-16 豊田工機株式会社 工作物支持装置
RU2109600C1 (ru) * 1995-11-02 1998-04-27 Московское авиационное производственное объединение "МИГ" Цанговый патрон для зажима фасонных деталей
US5855377A (en) * 1996-11-13 1999-01-05 Murphy; William G. Dead length collect chuck assembly
JP2000218414A (ja) 1999-02-02 2000-08-08 Shisutekku Kk コレットチャックジョイント装置
CN201410569Y (zh) * 2009-03-31 2010-02-24 皖东韵敏精密合金有限公司 一种杆件加工夹紧装置
US20100253016A1 (en) * 2009-04-01 2010-10-07 Hardinge, Inc. Collet adapter
CN202155550U (zh) * 2011-07-12 2012-03-07 南京数控机床有限公司 一种双锥弹簧夹头装置

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Publication number Priority date Publication date Assignee Title
JPS50141284A (zh) * 1974-04-30 1975-11-13
US4575293A (en) * 1984-07-12 1986-03-11 Mario Berti Machine tool holder having opposed ramp members
JPH09108917A (ja) * 1995-10-18 1997-04-28 Honda Motor Co Ltd コレットチャック及びワークドライブ装置
JPH09123005A (ja) * 1995-11-02 1997-05-13 Toyoda Mach Works Ltd コレットチャック装置
JP2001113403A (ja) * 1999-10-15 2001-04-24 Tsugami Tool:Kk ドリルチャック及びチャック装置
JP2007331080A (ja) * 2006-06-16 2007-12-27 Masato Ishii コレットチャック

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017022118A1 (ja) * 2015-08-06 2017-02-09 富士機械製造株式会社 チャック装置
JPWO2017022118A1 (ja) * 2015-08-06 2018-05-24 株式会社Ｆｕｊｉ チャック装置
JP2020062708A (ja) * 2018-10-16 2020-04-23 マツダ株式会社 コレットチャック装置
JP7190863B2 (ja) 2018-10-16 2022-12-16 マツダ株式会社 コレットチャック装置
CN115417233A (zh) * 2022-09-05 2022-12-02 武汉锐科光纤激光技术股份有限公司 一种盘绕装置

Also Published As

Publication number Publication date
JPWO2014027466A1 (ja) 2016-07-25
TW201412437A (zh) 2014-04-01
KR102086700B1 (ko) 2020-03-09
CN104619445A (zh) 2015-05-13
TWI621486B (zh) 2018-04-21
CN104619445B (zh) 2016-10-19
JP6234927B2 (ja) 2017-11-22
HK1210096A1 (zh) 2016-04-15
KR20150040927A (ko) 2015-04-15

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