KR100798494B1 - Tension control structure of a dovetail processing device - Google Patents

Tension control structure of a dovetail processing device Download PDF

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Publication number
KR100798494B1
KR100798494B1 KR1020070016310A KR20070016310A KR100798494B1 KR 100798494 B1 KR100798494 B1 KR 100798494B1 KR 1020070016310 A KR1020070016310 A KR 1020070016310A KR 20070016310 A KR20070016310 A KR 20070016310A KR 100798494 B1 KR100798494 B1 KR 100798494B1
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South Korea
Prior art keywords
tension
cylinder
motor
belt
base
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KR1020070016310A
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Korean (ko)
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엄평용
정숭근
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주식회사 성산암데코
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/10—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines characterised by the drive, e.g. by fluid-pressure drive pneumatic power drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
    • B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/20—Adjusting or stopping working-spindles in a predetermined position

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

A tension control structure of a dovetail processing device is provided to provide a belt with tension by controlling distance between a rotary axle of a motor and a rotary axle of a spindle head and to fasten the spindle head by using a tension lock cylinder. A tension control structure of a dovetail processing device comprises spindle heads(40a,40b), a motor(20), a dovetail unit having a pair of slidable upper plates and a fixed lower plate, a pair of pitch control cylinders(80a,80b), a jib lock cylinder, a tension cylinder, and a tension lock cylinder(104). The spindle heads are separated from each other at a regular interval. The motor drives the spindle heads with a belt(22). The slidable upper plates are movable to control the interval between the upper plates. The pitch control cylinder moves the slidable upper plates horizontally. The jib lock cylinder fixes the slidable upper plate to the fixed lower plate. The tension cylinder is operated between a base(101) and a frame(102), wherein the motor is fixed to the base. The tension cylinder lifts the base up and down to control interval and tension of the belt. The tension lock cylinder is driven by hydraulic power and configured around the tension cylinder so at to keep the space between the base and the frame.

Description

더브테일 가공장치의 장력조절구조{Tension control structure of a dovetail processing device}Tension control structure of a dovetail processing device

도 1은 등록특허 제523985호의 측면도1 is a side view of Patent No. 523985

도 2는 도 1의 평면도2 is a plan view of FIG. 1

도 3은 도 1의 정면도 및 벨트의 텐션을 조절하는 개념도3 is a conceptual view of adjusting the tension of the belt and the front view of FIG.

도 4는 본 발명의 정면도4 is a front view of the present invention

도 5는 본 발명의 측면도5 is a side view of the present invention

도 6은 본 발명 텐션록실린더의 단면도Figure 6 is a cross-sectional view of the tension lock cylinder of the present invention

도 7은 본 발명 텐션조절실린더 및 텐션록실린더를 작동하는 유·공압회로도7 is a hydraulic / pneumatic circuit diagram for operating the tension control cylinder and the tension lock cylinder of the present invention.

※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing

20. 모터 22. 벨트20. Motor 22. Belt

40a, 40b. 스핀들헤드 50. 더브테일유닛40a, 40b. Spindle Head 50. Dovetail Unit

52. 고정하판 54. 미끄럼상판52. Fixed bottom plate 54. Sliding top plate

56. 미끄럼상판 70. 공압실린더56. Sliding top 70. Pneumatic cylinder

72. 밀침봉 73. 회전로울러72. Push rod 73. Rotary roller

80a, 80b. 피치조절실린더 101. 베이스80a, 80b. Pitch adjustment cylinder 101. Base

102. 프레임 103. 텐션실린더102. Frame 103. Tension cylinder

104. 텐션록실린더 105. 피스톤104. Tension lock cylinder 105. Piston

106. 콜렛 107. 축106. Collet 107. Axle

본 발명은 더브테일 가공장치의 장력조절구조에 관한 것으로, 보다 상세하게는 드릴링이나 탭핑, 보링 등과 같은 작업을 2개의 위치에서 동시가공할 수 있게 하는 장치에서 가공위치간의 피치조절을 용이하게 할 수 있게 하는, 공압을 이용하는 장력조절구조에 관한 것이다.The present invention relates to a tension control structure of the dovetail processing device, and more particularly, it is possible to facilitate the pitch adjustment between the processing positions in the device that enables simultaneous processing in two positions, such as drilling, tapping, boring, etc. To a tension control structure using pneumatics.

더브테일 가공장치는 2개의 위치를 동시에 가공할 수 있게 하는 장치로 가공위치간의 피치는 임의로 조절할 수 있게 구성되어 있다.The dovetail processing device is a device that can process two positions at the same time is configured to adjust the pitch between the processing positions arbitrarily.

종래 본 출원인이 선출원하여 공개된 특허등록 제523985호에서는 도 1 내지 3도에 도시된 것과 같이 좌·우측에 일정간격을 두고 배치된 스핀들헤드(40a, 40b)와 스핀들헤드의 툴(41a, 41b)을 회전시키는 벨트(22)를 구동하는 모터(20)와, 스핀들헤드의 하부에서 서로 위치간격을 조절할 수 있도록 하는 한 쌍의 미끄럼상판(54, 56) 및 고정하판(52)을 갖는 더브테일유닛(50)으로 이루어지고, 더브테일유닛(50)의 좌측미끄럼상판(54) 및 우측미끄럼상판(56)을 유압에 의하여 좌·우측으 로 이송되도록 형성된 한 쌍의 피치조절실린더(80a, 80b)와 피치조절실린더에 의해 이송된 좌측 미끄럼상판(54) 및 우측 미끄럼상판(56)을 고정하판(52)에서 이송되지 않도록 고정시키기 위하여 유압에 의해 폭방향으로 가압하도록 형성된 지브록실린더와 상기 더브테일유닛(50)의 고정하판(52)상에 한 쌍의 미끄럼상판(54, 56)과 맞닿음되는 면에 이송마찰을 감소시키도록 하는 다수개의 윤활유공급홀로 이루어지고, 모터(20) 및 스핀들헤드(40a, 40b)를 회전시키기 위해 연동되는 벨트(22)의 처짐을 방지하는 공압실린더(70)에 의해 밀쳐지도록 끝단에 회전용 로울러(73)를 갖는 밀침봉(72)이 추가로 형성된 유압을 이용한 한 쌍의 가공장치를 제안한바 있었다.Patent registration No. 523985 published by the present applicant in the prior application disclosed spindle heads 40a and 40b and tools 41a and 41b of the spindle head disposed at regular intervals on the left and right sides as shown in FIGS. 1 to 3. A dovetail having a motor 20 for driving the belt 22 for rotating the belt 22, and a pair of sliding top plates 54 and 56 and a fixed bottom plate 52 for adjusting a positional gap at the bottom of the spindle head. A pair of pitch adjustment cylinders 80a and 80b, which are formed of the unit 50 and formed so as to transfer the left sliding top plate 54 and the right sliding top plate 56 of the dovetail unit 50 to the left and right sides by hydraulic pressure. And the jiblock cylinder and the dove formed to press in the width direction by hydraulic pressure to fix the left sliding upper plate 54 and the right sliding upper plate 56 conveyed by the pitch adjusting cylinder so as not to be conveyed from the fixed lower plate 52. Fixed lower plate 52 of tail unit 50 It consists of a plurality of lubricating oil supply holes to reduce the transfer friction on the surface in contact with the pair of sliding top plate (54, 56) on the top, interlocking to rotate the motor 20 and the spindle head (40a, 40b) In order to be pushed by the pneumatic cylinder 70 which prevents the belt 22 from sagging, a pair of processing devices using hydraulic pressure, in which a push rod 72 having a rotating roller 73 at the end is further formed, has been proposed. .

그러나 상기의 장치에서 벨트의 장력을 조절하는 구성은 모터가 장치의 프레임에 고정되어 있어 모터의 회전축과 스핀들헤드의 회전축사이에 걸쳐지는 벨트는 2개의 스핀들헤드를 피치조절을 위하여 이격시킬 경우, 모터의 회전축과 스핀들헤드의 회전축 사이의 거리가 멀어져 벨트에 과도한 장력이 작용하므로 2개의 스핀들헤드간의 피치조절의 범위는 벨트의 장력을 조절하는 공압실린더에 의하여 가변될 수 있는 벨트의 여유길이 범위 내로 제한될 수밖에 없다는 문제점이 있었다.However, in the above device, the configuration of adjusting the tension of the belt is such that the motor is fixed to the frame of the device so that the belt spanning between the rotation axis of the motor and the rotation axis of the spindle head separates the two spindle heads for pitch adjustment. The distance between the rotational axis of the spindle and the rotational axis of the spindle head is too far, so the tension is applied to the belt. There was a problem that it must be.

본 발명은 상기와 같은 문제점을 해결하기 위하여 개발된 것으로 2개의 스핀들헤드 간의 피치조절가능 거리를 벨트의 장력조절범위에 관계없이 이격할 수 있게 하는 구성을 제공하는 것을 목적으로 한다.The present invention was developed to solve the above problems, and an object of the present invention is to provide a configuration that allows the pitch adjustable distance between two spindle heads to be spaced apart regardless of the tension control range of the belt.

상기한 목적을 위한 본 발명 '더브테일 가공장치의 장력조절구조'는 모터를 고정하는 모터베이스와 가공장치의 프레임간 이격거리를 가변될 수 있게 하여 모터의 회전축과 스핀들헤드의 회전축간 거리를 임의로 조절할 수 있게 구성한다.'Tension control structure of the dovetail processing device' of the present invention for the above purpose is to allow the distance between the frame of the motor base and the processing device for fixing the motor to be variable to arbitrarily set the distance between the rotation axis of the motor and the rotation axis of the spindle head Configure it to be adjustable.

회전축간의 거리조절은 모터베이스와 프레임 사이에 공압으로 작동하는 장력조절실린더를 수직으로 장치하여 이격거리를 가변될 수 있게 하고 벨트에 적절한 장력을 부여할 수 있게 구성한다.The distance control between the rotating shafts is configured to vertically install a tension control cylinder operated by pneumatic between the motor base and the frame so that the separation distance can be varied and impart proper tension to the belt.

또한 압축성 유체인 공압으로 작동하는 장력조절실린더에 진동 등이 작용하여 벨트의 장력이 변화되는 것을 방지하기 위하여 유압으로 작동하는 장력록킹실린더를 모터베이스와 프레임 사이에 하나 이상 구비한다.In addition, one or more tension locking cylinders, which are hydraulically operated, are provided between the motor base and the frame in order to prevent the tension of the belt from being changed due to vibration or the like acting on the tension control cylinder that is operated by the pneumatically compressed air.

이하에서 본 발명의 바람직한 실시 예에 대하여 첨부한 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 대한 상세한 설명에 앞서 종래 공지된 구성에 대하여는 본 발명의 구성을 불명료하게 하지 아니하는 범위 내에서 상세한 설명을 생략하거나 간략하게 하여 본 발명의 특징적인 구성을 더욱 명확하게 하기로 하며, 종래 구성요소와 동일한 본원의 구성은 종래의 도면기호와 동일하게 사용하기로 한다.Prior to the detailed description of the present invention, the conventionally known configuration will be omitted or simplified within the scope of not obscuring the configuration of the present invention to clarify the features of the present invention more clearly. The same configuration as the components herein will be used the same as the conventional reference numerals.

도 4는 본 발명의 정면도이고, 도 5는 본 발명의 측면도이며, 도 6은 본 발명 텐션록실린더의 단면도이고, 도 7은 본 발명 텐션조절실린더 및 텐션록실린더를 작동하는 유·공압회로도이다.Figure 4 is a front view of the present invention, Figure 5 is a side view of the present invention, Figure 6 is a cross-sectional view of the tension lock cylinder of the present invention, Figure 7 is a hydraulic-pneumatic circuit diagram for operating the tension control cylinder and the tension lock cylinder of the present invention. .

도 1 내지 3도에 도시된 바와 같이 본 발명 스핀들헤드(40a, 40b)와 모터(20) 사이에는 벨트(22)가 구비되어 모터(20)의 회전을 스핀들헤드(40a, 40b)에 전달시켜 툴(41a, 41b)을 회전시킨다.As shown in FIGS. 1 to 3, a belt 22 is provided between the spindle heads 40a and 40b of the present invention and the motor 20 to transmit the rotation of the motor 20 to the spindle heads 40a and 40b. The tools 41a and 41b are rotated.

따라서 하나의 모터(20) 동력원을 이용하여 두 개의 스핀들헤드(40a, 40b)에 회전력을 전달할 수 있어 동시에 두 개의 툴로 가공할 수 있게 구성되어 있으며, 더브테일유닛(50)은 하부측에 고정되어 있는 고정하판(52)의 길이방향을 따라 좌·우측으로 이동할 수 있도록 좌측 미끄럼상판(54)과 우측 미끄럼상판(56)이 맞닿음되게 결합되어 있다.Therefore, it is possible to transmit the rotational force to the two spindle heads (40a, 40b) by using a single motor 20 power source is configured to be processed by two tools at the same time, the dovetail unit 50 is fixed to the lower side The left sliding upper plate 54 and the right sliding upper plate 56 are coupled to abut so as to move left and right in the longitudinal direction of the fixed lower plate 52.

도 4 내지 5도는 좌·우측 미끄럼상판(54, 56)을 따라 스핀들헤드(40a, 40b)가 좌·우로 수평이동되면 스핀들헤드(40a, 40b)와 모터(20) 사이의 간격이 변화되므로 모터(20)를 고정하는 베이스(101)와 장치의 프레임(102) 사이에 모터(20)를 승·하강시켜 스핀들헤드(40a, 40b)와 모터(20) 사이의 간격을 조절하여 벨트(22)의 텐션을 일정하게 유지하게 하는 공압으로 작동하는 텐션실린더(103)가 구비된다.4 to 5 show that the distance between the spindle heads 40a and 40b and the motor 20 changes when the spindle heads 40a and 40b are horizontally moved left and right along the left and right sliding upper plates 54 and 56. The belt 22 is adjusted by adjusting the distance between the spindle heads 40a and 40b and the motor 20 by raising and lowering the motor 20 between the base 101 fixing the 20 and the frame 102 of the apparatus. Tension cylinder 103 is operated by pneumatic pressure to keep the tension of the constant.

공압작동 텐션실린더(103)는 모터를 승·하강하여 벨트(22)의 텐션을 조절할 수 있지만, 압축성 유체인 공기압으로 작동하여 모터(20)의 회전에 따라 진동을 유발할 수 있고 또한 텐션조정 후 장기간이 경과하면 에어의 누출 등으로 텐션이 변화할 수 있으므로 모터베이스(101)와 프레임(102) 사이의 간격을 고정하는 텐션록실린더(104)가 부가된다.Pneumatically actuated tension cylinder 103 can adjust the tension of the belt 22 by raising and lowering the motor, but can operate by the air pressure, which is a compressive fluid to induce vibration in accordance with the rotation of the motor 20, and also after a tension adjustment When this elapses, the tension may change due to leakage of air or the like, and a tension lock cylinder 104 for fixing the gap between the motor base 101 and the frame 102 is added.

텐션록실린더(104)는 유압으로 작동되며 모터베이스(101)의 균형유지를 위하 여 텐션실린더(103)주위, 모터베이스(101)의 모서리마다 하나씩 4개를 설치하는 것이 바람직하나 설치개수는 이에 한정되는 것은 아니다.The tension lock cylinder 104 is hydraulically operated, and in order to maintain the balance of the motor base 101, it is preferable to install four ones around the tension cylinder 103, one for each corner of the motor base 101. It is not limited.

텐션록실린더(104)는 도 6에 도시된 것과 같이 유압에 의하여 작동하는 피스톤(105)의 일측이 사선으로 경사져 있고 피스톤(105)의 경사진 면과 접촉하는 콜렛(106)은 축(107)의 외주를 감싸는 형태로 다수 개로 분할되어 있어 피스톤(105)의 이동에 따라 콜렛(106)은 축(107)을 직각방향으로 가압하여 견고하게 고정하는 역할을 한다.As shown in FIG. 6, the tension lock cylinder 104 has a shaft 107 having one side of the hydraulically actuated piston 105 inclined diagonally and contacting the inclined surface of the piston 105. It is divided into a plurality of forms in the form surrounding the outer periphery of the collet 106 in accordance with the movement of the piston 105 serves to firmly press the shaft 107 in a perpendicular direction.

이하에서 본 발명의 작용과정을 설명하면, 더브테일 가공장치에서 스핀들헤드(40a, 40b)의 간격인 피치를 조절코자 할 시에는 텐션록실린더(104)의 고정을 해제하고 텐션실린더(103)를 작동하여 모터베이스(101)를 하강시킨 다음, 피치조절실린더(80a, 80b)를 이용하여 스핀들헤드(40a, 40b)간의 간격을 조절한 후 텐션실린더(103)를 작동하여 모터(20)를 상승시켜 벨트(22)에 일정한 텐션을 부여한 다음, 텐션록실린더(104)를 작동시켜 고정하면 스핀들헤드(40a, 40b)의 피치조절작업은 완료된다.Referring to the operation of the present invention below, when you want to adjust the pitch of the interval of the spindle head (40a, 40b) in the dovetail processing device, the tension lock cylinder 104 is released and the tension cylinder 103 is released. The motor base 101 is lowered by operation, and then the pitch adjustment cylinders 80a and 80b are used to adjust the distance between the spindle heads 40a and 40b, and then operate the tension cylinder 103 to raise the motor 20. When the tension is applied to the belt 22 and then the tension lock cylinder 104 is operated and fixed, the pitch adjustment of the spindle heads 40a and 40b is completed.

이상에서 설명한 바와 같이 본 발명은 모터의 회전축과 스핀들헤드의 회전축간의 거리를 조절하면서 벨트에 적절한 텐션을 부가하고 작업 중 텐션이 변하지 않도록 고정할 수 있어 스핀들헤드 간의 피치를 폭넓게 조절할 수 있게 하여 더브테일 가공장치를 더욱 효과적으로 활용할 수 있게 하는 효과가 있다.As described above, the present invention can add the appropriate tension to the belt while adjusting the distance between the rotational axis of the motor and the rotational axis of the spindle head, and can be fixed so that the tension does not change during operation, thereby making the pitch between the spindle heads wider and adjustable. There is an effect that can utilize the processing equipment more effectively.

Claims (1)

일정한 간격을 두고 나란히 구비되는 스핀들헤드(40a, 40b)와, 스핀들헤드를 벨트(22)에 의해 구동하는 모터(20)와, 스핀들헤드의 하부에서 서로 간격을 조절할 수 있도록 형성된 한 쌍의 미끄럼상판(54, 56) 및 고정하판(52)을 갖는 더브테일유닛(50)과, 미끄럼상판(54, 56)을 좌·우측으로 이송할 수 있게 하는 한 쌍의 피치조절실린더(80a, 80b)와, 미끄럼상판을 고정하판에 고정하는 지브록실린더로 구성된 가공장치에 있어서,Spindle heads 40a and 40b provided side by side at regular intervals, a motor 20 for driving the spindle head by the belt 22, and a pair of sliding top plates formed to adjust the distance from each other under the spindle head. A dovetail unit 50 having a 54 and 56 and a fixed lower plate 52, a pair of pitch adjusting cylinders 80a and 80b which allow the sliding upper plates 54 and 56 to be transferred to the left and right sides; In the processing apparatus consisting of a jiblock cylinder for fixing the sliding top plate to the fixed bottom plate, 모터(20)를 고정하는 베이스(101)와 장치의 프레임(102) 사이에 공압으로 작동하는 텐션실린더(103)를 구비하여 모터베이스(101)를 승·하강시켜 이격거리와 벨트(22)의 텐션을 조절하고, 텐션실린더(103)의 주위에 하나 이상의 유압으로 작동하는 텐션록실린더(104)를 설치하여 베이스(101)와 프레임(102)간의 이격거리를 고정할 수 있게 한 것을 특징으로 하는 더브테일 가공장치의 장력조절구조.A tension cylinder 103 which operates pneumatically between the base 101 fixing the motor 20 and the frame 102 of the apparatus is provided to move the motor base 101 up and down to separate the separation distance and the belt 22. It is characterized in that it is possible to fix the distance between the base 101 and the frame 102 by adjusting the tension and installing one or more hydraulically actuated tension lock cylinders 104 around the tension cylinder 103. Tension control structure of dovetail processing equipment.
KR1020070016310A 2007-02-16 2007-02-16 Tension control structure of a dovetail processing device KR100798494B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889509A (en) * 2015-05-06 2015-09-09 思维福特南通精密机械有限公司 Efficient nut tapping machine
CN111098172A (en) * 2020-01-13 2020-05-05 西安交通大学 Steel band transmission swing head structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0538643A (en) * 1991-08-02 1993-02-19 Tokiko Giken Kk X-y table
JPH091436A (en) * 1995-06-15 1997-01-07 Hitachi Seiki Co Ltd Clamp mechanism of movable body for machine tool

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0538643A (en) * 1991-08-02 1993-02-19 Tokiko Giken Kk X-y table
JPH091436A (en) * 1995-06-15 1997-01-07 Hitachi Seiki Co Ltd Clamp mechanism of movable body for machine tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889509A (en) * 2015-05-06 2015-09-09 思维福特南通精密机械有限公司 Efficient nut tapping machine
CN111098172A (en) * 2020-01-13 2020-05-05 西安交通大学 Steel band transmission swing head structure

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