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KR930004502Y1 - Clamping jig - Google Patents

Clamping jig Download PDF

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Publication number
KR930004502Y1
KR930004502Y1 KR2019910005900U KR910005900U KR930004502Y1 KR 930004502 Y1 KR930004502 Y1 KR 930004502Y1 KR 2019910005900 U KR2019910005900 U KR 2019910005900U KR 910005900 U KR910005900 U KR 910005900U KR 930004502 Y1 KR930004502 Y1 KR 930004502Y1
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KR
South Korea
Prior art keywords
jig
high information
workpiece
fixing
clamping jig
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Expired - Fee Related
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KR2019910005900U
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Korean (ko)
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KR920019315U (en
Inventor
백선현
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포항종합제철 주식회사
정명식
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Priority to KR2019910005900U priority Critical patent/KR930004502Y1/en
Publication of KR920019315U publication Critical patent/KR920019315U/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F23/00Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/02Loading, unloading or chucking arrangements for workpieces
    • B23F23/06Chucking arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/10Devices for clamping workpieces of a particular form or made from a particular material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q2703/00Work clamping
    • B23Q2703/12Accessories for attaching

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

내용 없음.No content.

Description

내, 외부 치차 가공용 클램핑 지그(Clamping Jig)Clamping Jig for Internal and External Gear Processing

제1도는 본 고안에 따른 클램핑 지그가 외부치차를 가공하기 위해 공작대에 장착된 상태를 도시한 측단면도.Figure 1 is a side cross-sectional view showing a state in which the clamping jig according to the present invention is mounted on the workbench for processing the external gear.

제2도는 본 고안에 따른 클램핑 지그가 내부치차를 가공하기 위해 공작대에 장착된 상태를 도시한 측단면도.Figure 2 is a side cross-sectional view showing a state in which the clamping jig according to the present invention is mounted on the workbench for processing the internal gear.

제3도는 제2도의 A-A′선 단면도.3 is a cross-sectional view taken along the line A-A 'of FIG.

제4도는 종래 기술에 따른 클램핑 지그가 외부치차를 가공하기 위해 공작대에 장착된 상태를 도시한 측단면도.Figure 4 is a side cross-sectional view showing a state in which the clamping jig according to the prior art is mounted on the work table for processing the external gear.

제5도는 종래 기술에 따른 클램핑 지그가 내부치차를 가공하기 위해 공작대에 장착된 상태를 도시한 측단면도.Figure 5 is a side cross-sectional view showing a state in which the clamping jig according to the prior art is mounted on the work table for processing the internal gear.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : ┻형 너트 20 : 받침 지그10: male nut 20: support jig

30 : 죠우(Jaw) 40 : 고정클램프30: jaw 40: fixed clamp

50,60 : 고정보울트 70 : 고정플레이트50,60: High information bolt 70: Fixed plate

150 : 공작물 200 : 공작대150: Workpiece 200: Workbench

본 고안은 인벌류트 기어(involute gear)를 가공하는 기어자동 가공장치(gear shaper machine)의 공장대에 공작물을 고정하는 클램핑 지그(Clamping Jig)에 관한 것으로, 보다 상세히는 가공되는 공작물의 직경에 따라 별도의 부품을 사용할 필요가 없고, 견고하게 공작물을 고정하여 기어 가공 작업시에 재조정 작업이 필요없게된 내, 외부 치차 가공용 클램핑 지그에 관한 것이다.The present invention relates to a clamping jig for fixing a workpiece on a plant stage of a gear shaper machine for processing an involute gear, and more specifically, depending on the diameter of the workpiece to be machined. The present invention relates to a clamping jig for internal and external gear processing, which does not need to use separate parts, and firmly secures a workpiece so that readjustment is not required during gear machining.

종래의 내, 외부 치차 가공용 클램핑 지그(100)로서는 제4도 및 제5도에 도시된 바와같은 구조가 제안되어 있다.As a conventional clamping jig 100 for internal and external tooth processing, a structure as shown in FIGS. 4 and 5 is proposed.

상기 구조에서는 공작물(150)에 외부치차(150a)를 가공하기 위해서 우선 공작물(150)을 고리형 슬리브(110)위에 안치시키고, 상기 공작물(150) 내부의 원통형 공간(150b)을 관통하여 일측에 숫나사부(120a)가 형성된 고정보울트(120)를 진입시켜 공작대(200)의 중심부에 형성된 나사구멍(200a)과 나사 결합시키면 상기 고정보울트(120)가 고정플레이트(130)를 관통하여 공작물(150)을 기어 자동가공장치의 공작대(200)에 결합시키도록 되어 있다.In the above structure, in order to process the external gear 150a on the work piece 150, the work piece 150 is first placed on the annular sleeve 110 and penetrates the cylindrical space 150b inside the work piece 150 to one side. The high information bolt 120 enters the high information bolt 120 having the male screw portion 120a formed therein, and the high information bolt 120 penetrates through the fixing plate 130 to form the workpiece 150. ) Is coupled to the work table 200 of the gear automatic processing device.

또한, 내부치차(150c)를 가공하기 위해서는 공작물(150)을 공작대(200)의 4개소에 위치된 받침 블록(170)위에 안치시키고, 공작대(200)에 형성된 다수개의 암나사부(200b)에 다수개의 파이프 부재(180)를 나사결합시키며, 상기 파이프 부재(180)의 상단부에 각각 다수개의 링형 라이너(Ring Liner)(181)를 위치시켜 공작물(150)의 상부면(150d)과 평행을 유지시킨다.In addition, in order to process the internal gear 150c, the workpiece 150 is placed on the support block 170 located at four positions of the work bench 200, and a plurality of female thread parts 200b formed on the work bench 200 are provided. Two pipe members 180 are screwed together, and a plurality of ring liners 181 are positioned at the upper ends of the pipe members 180 so as to be parallel to the upper surface 150d of the work piece 150. .

다음, 공작물(150)의 상부면(150d)과 링형 라이너(181)의 상부면(181a)을 이어주는 고리형 고정플레이트(185)를 위치시키고, 공작대(200)에 형성된 ┻형 단면의 요홈(200c)에 ┻형 머리부(190a)가 형성된 고정 보울트(190)를 위치시키며, 상기 고정보울트(190)의 타측단부를 상기 고정플레이트(185)의 상부로 연장시켜 와셔(186)와 너트(187)로 고정시킨 것이다.Next, the ring-shaped fixing plate 185 connecting the upper surface 150d of the work piece 150 and the upper surface 181a of the ring-shaped liner 181 is positioned, and the groove 200c of the X-shaped cross section formed on the work table 200 is placed. Position the fixing bolt 190 having a 머리 -shaped head portion 190a, and extends the other end of the high information bolt 190 to the upper portion of the fixing plate 185, and washers 186 and nuts 187. It is fixed as.

그러나, 상기 클램핑 지그(100)에 있어서는 내, 외부치차의 가공시에 공작물(150)의 직경에 따라 다수개의 고리형 슬리브(110)와 고정보울트(190)를 준비하여야만 하고, 특히, 내부치차의 가공시에 공작물(150)을 견고히 고정시키지 못함으로써 공작물이 절삭공구의 가공력으로 인하여 위치변경되어 상기 공작물을 재고정하여야 하는 문제점이 발생하였다.However, in the clamping jig 100, a plurality of annular sleeves 110 and high information bolts 190 must be prepared according to the diameter of the work piece 150 when machining the inner and outer gears. By not firmly fixing the work piece 150 during processing, the work piece is changed in position due to the processing force of the cutting tool, thereby causing a problem in that the work piece has to be recalibrated.

본 고안은 상기와 같은 문제점을 해소하기 위하여 안출된 것으로서, 공작물의 직경에 따라 별도의 부품을 준비할 필요가 없고, 견고히 공작물을 고정하여 가공 작업시에 공작물을 재고정시킬 필요가 없는 내, 외부 치차 가공용 클램핑 지그를 제공함에 목적이 있다.The present invention has been devised to solve the above problems, there is no need to prepare a separate part according to the diameter of the workpiece, and firmly fixed the workpiece, there is no need to reassess the workpiece during machining It is an object to provide a clamping jig for gear machining.

상기 목적을 달성하기 위하여 본 고안은, 공작대위에 방사형으로 형성된 다수개의 ┻자형 요홈내에서 각각 활주 이동되는 ┻형 너트, 상기 ┻형 너트와 각각 복수개의 보울트를 매개로 결합되고, 좌,우측면에 길이방향으로 요홈이 형성되며, 일측상부면에서 죠우를 각각 고정 보울트로 고정하는 받침지그, 상기 받침지그의 길이방향 요홈에 하단부가 활주가능토록 삽입되고 상단부에 고정보울트가 나사결합하는 고정 클램프, 및 공작대의 중심부에 형성된 나사구멍에 고정플레이트를 관통하여 일측이 나사 결합하는 고정보울트를 포함하는 내, 외부 치차 가공용 클램핑 지그를 마련함에 의한다.In order to achieve the above object, the present invention, the nut is slid to move in each of the plurality of U-shaped grooves formed radially on the workbench, coupled to each of the nut and the plurality of bolts, the length on the left, right sides A groove is formed in a direction, and a support jig for fixing the jaws with fixing bolts on one side of the upper surface, a fixed clamp for inserting a lower end into the longitudinal groove of the support jig and screwing a high information bolt at the upper end, and a work table. By providing a clamping jig for internal and external tooth processing including a high information bolt for screwing one side through the fixing plate to the screw hole formed in the center of the screw.

이하, 도면을 참조하여 본 고안을 보다 상세히 설명한다.Hereinafter, the present invention will be described in more detail with reference to the drawings.

본 고안의 클램핑 지그(1)는 공작대(200)에 ┻형 단면의 요홈(200d)이 중심축(X)를 향해 방사형으로 4개소 형성되고, 상기 ┻형 요홈(200d)에는 ┻형 너트(10)가 각각 활주가능토록 삽입되며, 상기 ┻형 너트(10)의 상부면(10a)으로는 복수개의 보울트(12)를 매개로 각각 받침지그(20)가 결합되어 있다.The clamping jig 1 of the present invention has four grooves 200d having a 단면 -shaped cross section radially formed on the work table 200 toward the central axis X, and a 너트 -shaped nut 10 in the ┻-shaped groove 200d. Are respectively inserted so as to be slidable, and the supporting jig 20 is coupled to the upper surface 10a of the n-type nut 10 via a plurality of bolts 12.

상기 받침지그(20)는 각각 상기 보울트(12)가 관통되는 구멍(22a)이 형성되고 상기 ┻형 너트(10)의 상부면(10a)이 삽입되는 요홈(22b)이 하부면에 형성된 너트 연결부(22)와, 죠우(jaw)(30)가 안치되어 고정되는 죠우 고정부(24)를 갖추고, 상기 너트 연결부(22)와 죠우 고정부(24) 사이에 상부로 연장 형성된 돌출부(26)가 위치되어 고정보울트(28)로 죠우(30)를 고정하게 된다.Each of the supporting jig 20 has a hole 22a through which the bolt 12 penetrates, and a nut connection portion formed at a lower surface of a recess 22b into which an upper surface 10a of the N-shaped nut 10 is inserted. And a jaw fixing part 24 in which jaws 30 are settled and fixed, and a protrusion 26 extending upwardly between the nut connection part 22 and the jaw fixing part 24 is provided. The jaw 30 is fixed by the high information bolt 28.

상기 죠우 고정부(24)에는 상부면(24a)에 일정크기의 요홈(24b)이 형성되고 상기 돌출부(26)의 중앙에는 수평방향으로 관통하는 일정크기의 나사구멍(26a)이 형성되며, 돌출부(26)의 일측면(26b)에는 죠우(30)의 일측면(30a)과 대응되는 일정크기의 곡률이 형성되어 있다.The jaw fixing part 24 is formed with a predetermined size groove 24b on the upper surface 24a, and a screw hole 26a having a predetermined size penetrating in the horizontal direction is formed in the center of the protrusion part 26, and the protrusion part On one side surface 26b of 26, a curvature of a predetermined size corresponding to the one side surface 30a of the jaw 30 is formed.

한편, 죠우(30)는 하단부에 일정크기의 돌기(30b)가 형성되어 죠우 고정부(24)에 형성된 요홈(24b)으로 삽입되고, 일측면(30a)에 ┻형 단면의 요홈(30c)이 상부면(30d)으로부터 하부로 일정길이 연장 형성되어 돌출부(26)의 나사구멍(26a)을 관통하는 고정보울트(28)의 선단부가 삽입되어 있다.On the other hand, the jaw (30) is formed at a lower end of the projection (30b) of a predetermined size is inserted into the groove (24b) formed in the jaw fixing part 24, the groove 30c of the j-shaped cross section on one side (30a) The tip end portion of the high information bolt 28 is formed to extend from the upper surface 30d to the lower portion and penetrate the screw hole 26a of the protrusion 26.

상기와 같이 죠우(30)가 받침지그(20)에 고정된 상태에서는 죠우(30)의 상부면(30d)과 돌출부(26)의 상부면(26c)이 수평상태를 유지하게 된다.In the state where the jaw 30 is fixed to the supporting jig 20 as described above, the upper surface 30d of the jaw 30 and the upper surface 26c of the protrusion 26 are maintained in a horizontal state.

또한, 받침지그(20)의 좌,우측면에는 각각 눈금(scale)(32)이 형성되고, 중앙부에 길이 방향으로 일정깊이의 요홈(34)이 각각 형성되며, 상기 요홈(34)으로는 고정클램프(40)의 하단부에 형성된 플랜지부(42)가 각각활주가능토록 삽입된다. 상기 고정클램프(40)는 제3도에 도시된 바와같이형 단면을 갖추고 하단부에는 상기 요홈(32)에 대응하는 두께를 갖춘 플랜지부(42)가 각각 형성되며, 상단부에는 암나사부(43)가 형성되어 일정크기의 고정보울트(50)가 나사 결합하고 있다. 또한, 상기 고정보울트(50)는 상단부에 육각 머리부(51)를 갖추고, 하단부에 압압 부재(52)가 회전가능토록 장착되어 있다. 한편, 고정보울트(60)는 고정플레이트(70)를 관통하여 공작대(200)의 중심축에 형성된 나사구멍(200e)과 하단부가 나사결합된다.In addition, scales 32 are formed on the left and right sides of the supporting jig 20, respectively, and grooves 34 having a predetermined depth in the longitudinal direction are respectively formed in the central portion, and the clamps are fixed to the grooves 34 by the fixed grooves. The flange portions 42 formed at the lower end portions of the 40 are inserted so that they can slide. The fixing clamp 40 is as shown in FIG. Flange 42 having a cross section and having a thickness corresponding to the groove 32 is formed at the lower end, and female threaded portion 43 is formed at the upper end, and the high information bolt 50 having a predetermined size is screwed together. . In addition, the high information bolt 50 has a hexagonal head 51 at the upper end, the pressing member 52 is rotatably mounted at the lower end. On the other hand, the high information bolt 60 penetrates through the fixing plate 70, and the screw hole 200e formed in the central axis of the work table 200 and the lower end is screwed.

이하, 본 고안의 클램핑 지그(1)를 이용하여 공작물(150)에 외부치차(150a)를 가공하기 위해서는 받침지그(20)의 보울트(12)를 해체하여 받침지그(20)와 ┻형 너트(10)를 분리시키고, 공작물(150)의 직경에 맞추어 ┻형 너트(10)와 받침지그(20)를 위치조정한다. 이때, 보울트(12)를 회전시켜 ┻형 너트(10)와 받침지그(20)를 고정시키면 ┻형 너트(10)가 ┻형 요홈(200d)내에서 받침지그(20)측으로 상승되어 ┻형 요홈(200d)의 내측 상부면(200d)과 견고히 면접촉하게 되어 받침지그(20)가 공작대(200)에 고정된다.Hereinafter, in order to process the external gear 150a on the workpiece 150 by using the clamping jig 1 of the present invention, the bolt 12 of the supporting jig 20 is dismantled, and the supporting jig 20 and the pin-shaped nut ( 10) separate and adjust the pin-shaped nut 10 and the supporting jig 20 in accordance with the diameter of the workpiece 150. At this time, when the bolt 12 is rotated to fix the nut 10 and the supporting jig 20, the nut 10 is lifted toward the supporting jig 20 in the recess 20d to form the recess j. The support jig 20 is fixed to the work table 200 by being in surface contact with the inner upper surface 200d of the 200d.

또한, 받침지그(20)에 형성된 눈금(32)은 각각의 받침지그(20)가 위치이동될 경우, 보다 정확하게 위치 조정될 수 있도록 한다. 다음 죠우(30)의 상부면(30d)과 돌출부(26)의 상부면(26c)에 공작물(150)을 안치시키고 공작물(150)의 상부면(150d)에 고정플레이트(70)를 위치시켜 고정보울트(60)로 고정하면 된다. 또한, 내부치차(150c)를 공작물(150)에 가공하기 위해서는 공작물(150)의 직경에 맞추어 받침지그(20)를 외부치차 가공시와 동일하게 위치조정한다.In addition, the scale 32 formed on the support jig 20 allows each support jig 20 to be more accurately positioned when moved. Next, the workpiece 150 is settled on the upper surface 30d of the jaw 30 and the upper surface 26c of the protrusion 26, and the fixing plate 70 is positioned and fixed on the upper surface 150d of the workpiece 150. What is necessary is just to fix it with the bolt 60. In addition, in order to process the internal gear 150c to the workpiece 150, the support jig 20 is positioned in the same manner as in the external gear machining in accordance with the diameter of the workpiece 150.

다음, 죠우고정부(24)의 상부면(24a)에 공작물(150)을 안치시키고 돌출부(26)에 마련된 고정보울트(28)를 각각 회전시켜 공작물(150)의 외주면을 죠우(30)로서 사방에서 고정한다.Next, the workpiece 150 is placed on the upper surface 24a of the jaw fixing part 24, and the high information bolts 28 provided on the protrusions 26 are rotated, respectively, so that the outer circumferential surface of the workpiece 150 is provided as the jaw 30 on all sides. Secure in.

그리고, 고정클램프(40)를 공작물(150)측으로 진입시켜 상단부에 나사결합한 고정보울트(50)로 공작물(150)의 상부면(150d)을 각각 하부로 압압 고정한다.Then, the fixing clamp 40 enters the work 150 side and press-fixes the upper surface 150d of the work piece 150 with the high information bolt 50 screwed to the upper end.

이때, 작업자는 받침지그(20)에 마련된 요홈(34)을 따라 고정 클램프(40)를 위치이동시키고, 고정보울트(50)의 육각 머리부(51)를 회전시켜 압압부재(52)를 공작물(150)의 상부면(150d)에 대하여 하강시키면 된다.At this time, the worker moves the fixed clamp 40 along the groove 34 provided in the supporting jig 20, and rotates the hexagonal head 51 of the high information bolt 50 to move the pressing member 52 to the workpiece ( What is necessary is just to descend | fall with respect to the upper surface 150d of 150).

상기와 같이 본 고안에 의하면, 공작물(150)에 외부치차(150a)를 가공시, 공작대(200)에 마련된 ┻형 요홈(200d)을 따라 받침지그(20)를 활주이동시키면 공작물(150)의 직경과는 무관하게 별도의 고리형 슬리브(110)와 같은 부품이 필요없게 된다. 또한, 내부치차(150c)의 가공시에도 죠우(30) 및 조정 클램프(40)를 이용하여 견고히 공작물(150)을 고정시킬 수가 있기 때문에, 기어 가공 작업중에 공작물을 재고정 시킬 필요가 없게 된다.According to the present invention as described above, when the external gear 150a is processed on the work piece 150, when the support jig 20 is slid along the curved groove 200d provided in the work table 200, the work piece 150 of the work piece 150 is formed. Regardless of the diameter, there is no need for a component such as a separate annular sleeve 110. In addition, since the workpiece 150 can be firmly fixed by using the jaw 30 and the adjustment clamp 40 even when the internal gear 150c is processed, it is not necessary to re-fix the workpiece during the gear machining operation.

따라서, 공작물을 기어 자동 가공장치에 장착시킬 경우 보다 신속하게 또한 견고히 고정할 수 있게 되어 작업 생산성이 향상되는 실용상의 효과가 얻어지게 된다.Therefore, when the workpiece is mounted on the automatic gear processing apparatus, it is possible to fix the product more quickly and firmly, thereby obtaining a practical effect of improving work productivity.

Claims (1)

내,외부치차(150c)(150a)를 가공하도록 공작대(200)에 공작물(150)을 고정하는 클램핑 지그에 있어서, 공작대(200)위에 방사형으로 형성된 다수개의 ┻자형 요홈(200d)내에서 각각 활주 이동되는 ┻형 너트(10), 상기 ┻형 너트(10)와 각각 복수개의 보울트(12)를 매개로 결합되고, 좌,우측면에 길이 방향으로 요홈(34)이 형성되며, 일측 상부면에서 죠우(30)를 각각 고정보울트(28)로 고정하는 받침지그(20), 상기 받침지그(20)의 길이방향요홈(34)에 하단부가 활주가능토록 삽입되고 상단부에 고정보울트(50)가 나사결합하는 고정 클램프(40), 및 공작대(200)의 중심축(x)에 형성된 나사구멍(200e)에 고정플레이트(70)를 관통하여 일측이 나사 결합하는 고정보울트(60)를 포함함을 특징으로 하는 내, 외부 치차 가공용 클램핑 지그.In the clamping jig for fixing the work piece 150 to the work table 200 so as to process the inner and outer gears 150c and 150a, each slide is performed in a plurality of U-shaped grooves 200d radially formed on the work table 200. The 너트 -shaped nut 10 to be moved, the 너트 -shaped nut 10 and the plurality of bolts 12 are respectively coupled to each other, grooves 34 are formed in the longitudinal direction on the left and right sides, and the jaw on one side of the upper surface. Support jig 20 for fixing 30 to each high information bolt 28, the lower end is slidably inserted into the longitudinal groove 34 of the support jig 20, and the high information bolt 50 is screwed to the upper end It characterized in that it comprises a fixed clamp 40, and a high information bolt 60 through which the one side is screwed through the fixing plate 70 through the screw hole (200e) formed in the central axis (x) of the work table 200 Clamping jig for inner and outer gear processing
KR2019910005900U 1991-04-29 1991-04-29 Clamping jig Expired - Fee Related KR930004502Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910005900U KR930004502Y1 (en) 1991-04-29 1991-04-29 Clamping jig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910005900U KR930004502Y1 (en) 1991-04-29 1991-04-29 Clamping jig

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KR920019315U KR920019315U (en) 1992-11-16
KR930004502Y1 true KR930004502Y1 (en) 1993-07-21

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KR2019910005900U Expired - Fee Related KR930004502Y1 (en) 1991-04-29 1991-04-29 Clamping jig

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