KR960005134Y1 - Device for supplying cutting oil - Google Patents

Device for supplying cutting oil Download PDF

Info

Publication number
KR960005134Y1
KR960005134Y1 KR2019900021485U KR900021485U KR960005134Y1 KR 960005134 Y1 KR960005134 Y1 KR 960005134Y1 KR 2019900021485 U KR2019900021485 U KR 2019900021485U KR 900021485 U KR900021485 U KR 900021485U KR 960005134 Y1 KR960005134 Y1 KR 960005134Y1
Authority
KR
South Korea
Prior art keywords
cutting oil
oil supply
hole
turret
boss
Prior art date
Application number
KR2019900021485U
Other languages
Korean (ko)
Other versions
KR920011470U (en
Inventor
송영호
Original Assignee
대우중공업 주식회사
이경훈
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 대우중공업 주식회사, 이경훈 filed Critical 대우중공업 주식회사
Priority to KR2019900021485U priority Critical patent/KR960005134Y1/en
Publication of KR920011470U publication Critical patent/KR920011470U/en
Application granted granted Critical
Publication of KR960005134Y1 publication Critical patent/KR960005134Y1/en

Links

Classifications

    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1015—Arrangements for cooling or lubricating tools or work by supplying a cutting liquid through the spindle
    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/14—Methods or arrangements for maintaining a constant temperature in parts of machine tools
    • B23Q11/145—Methods or arrangements for maintaining a constant temperature in parts of machine tools using a jet of gas or cutting liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

내용없음.None.

Description

절삭유 공급장치Coolant supply

제1a, b도는 종래 절삭유 공급장치의 단면도 및 D-D선 단면도.1a and b are cross-sectional views of the conventional cutting oil supply device and a cross-sectional view taken along the line D-D.

제2도는 본 고안의 절삭유 공급장치를 채용하고 있는 공작기계의 공구대에 대한 단면도.2 is a cross-sectional view of a tool post of a machine tool employing a cutting oil supply device of the present invention.

제3도는 제2도의 요부 발췌 확대 단면도.3 is an enlarged cross-sectional view of the main portion extracted in FIG.

제4도는 제2도의 A-A선 단면도.4 is a cross-sectional view taken along the line A-A of FIG.

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

10 : 호스 12 : 중공축10 hose 12 hollow shaft

14 : 공급튜브 16 : 터릿14 feed tube 16 turret

22 : 원통형부재 26, 28 : 통공22: cylindrical member 26, 28: through hole

본 고안은 공작기계, 특히 NC 선반에 있어서 공구 대측에 절삭유를 자동적으로 공급하기 위한 절삭유 공급장치에 관한 것이다.The present invention relates to a cutting oil supply device for automatically supplying cutting oil to a tool side in a machine tool, particularly an NC lathe.

일반적으로 NC선반등 각종 공작기계를 통해 절삭가공작업을 행함에 있어서는, 필연적으로 칩(chip)이 발생함으로써, 이를 적절히 제거해야 하며, 특히 가공작업시 발생되는 열을 냉각 시키기 위해서 절삭부위에 적절히 절삭유를 공급할 필요가 있다.In general, in performing cutting operations through various machine tools such as NC lathes, chips are inevitably generated and must be removed appropriately. Especially, in order to cool the heat generated during machining, appropriate cutting oil It is necessary to supply.

이를 위하여 종래에는 제1도에 도시된 바와 같이, 절삭유 공급파이프(1)로부터 절삭유를 공급받는 몸체(2)가 공구대(3) 외부로 돌출되도록 설치되어 있고, 특히 몸체(2)내에는 스프링(4)이 내장 설치되는 것은 물론이고, 노즐(5) 및 선단캡(6)이 가공물측을 향하여 위치되도록 설치되어 있다.To this end, conventionally, as shown in FIG. 1, the body 2 receiving the cutting oil from the cutting oil supply pipe 1 is installed to protrude to the outside of the tool post 3, in particular, the spring in the body 2 Not only that (4) is built-in, but also the nozzle 5 and the tip cap 6 are provided so as to be located toward the workpiece side.

이와 같은 종래 절삭유 공급장치는, 스프링(4)의 탄성력에 의해 노즐(5)은 가공시 터릿(7)의 측단면과 접촉상태를 유지하게 되고, 동시에 캡(6)과 터릿(7)의 절삭유 공급통로(8)가 일치되게 되면 이를 통해 절삭유가 공급 및 분사되게 되는 것이다.In the conventional cutting oil supply device, the nozzle 5 is kept in contact with the side end surface of the turret 7 by the elastic force of the spring 4, and at the same time, the cutting oil of the cap 6 and the turret 7 When the supply passage 8 is matched, the cutting oil is supplied and injected through this.

그러나 이와 같은 종래의 구조에 있어서는, 종래의 절삭유 공급장치는 공구대외부로 돌출되어 있고 돌출부위가 가공물쪽에 위치하여 가공물과 심압대에 제약을 박거나 가공시에 불편함을 초래하고, 특히 2주축 선반의 경우에는 설치 공간의 확보가 곤란한 문제점이 발생된다.However, in such a conventional structure, the conventional coolant supply device protrudes out of the tool stage and the protrusion is located on the workpiece, causing constraints on the workpiece and tailstock or inconvenient during machining, in particular, two spindles. In the case of a shelf, it is difficult to secure an installation space.

또한 인덱싱(indexing)시 캡과 터릿의 절삭유 공급통로를 일치시킴에 있어서, 조립오차 등에 의해 상호간의 접촉부위에 틈새가 발생되어 원활한 절삭유의 공급이 이루어지지 않게되거나 또는 틈새 사이로 절삭칩이 끼이게 되어 이또한 절삭유 공급 및 분사작동의 효과를 저감시키는 요인이 되었다.In addition, in matching the coolant supply passages of the cap and the turret during indexing, gaps are generated in the contact portions between the caps due to assembly errors, so that the cutting fluid is not supplied smoothly or the cutting chips are sandwiched between the gaps. This has also been a factor in reducing the effects of cutting oil supply and jetting operation.

따라서, 본 고안의 목적은 설치공간을 절감할 수 있고 절삭작업시 방해가 되지 않으며 절삭칩의 침투로 인해서 절삭유 공급 및 분사의 효과를 저감시키는 것을 방지시킬 수 있는 절삭유 공급장치를 제공하는 데 그 목적이 있다.Accordingly, an object of the present invention is to provide a coolant supply device that can reduce the installation space, do not interfere with cutting operations, and can prevent the reduction of the effect of cutting oil supply and injection due to penetration of the cutting chip. There is this.

이러한 목적을 달성하기 위한 본 고안의 절삭유 공급장치는 그 내면에 중공축이 마련된 공구대를 갖는 공작기계의 절삭 작업부위에 절삭유 공급원으로부터의 절삭유를 공급하기 위한 절삭유 공급장치에 있어서, 상기 공구대의 중공축내에 축방향으로 삽입 고정되며, 그 일단부가 상기 절삭유 공급원에 접속되는 절삭유 공급튜브와, 상기 중공축의 선단에 축방향 운동 및 회전운동 가능하게 설치되며, 중앙에는 축방향으로 보스가 형성되고, 이 보스로부터 반경방향으로는 복수개의 절삭유 통로가 형성된 터릿과; 상기 터릿의 축방향 보스내에 위치된채 캠부재를 통해 상기 공급튜브에 고정되며, 단차면에서 경계를 이루는 대직경의 통공과 소직경의 통공이 마련되고, 상기 소직경의 통공으로부터는 반경방향 외측으로 절삭유 공급로가 형성된 원통형부재와; 상기 터릿의 보스를 막고 있으며 중앙통공을 갖는 스톱퍼 부재와, 상기 원통형 부재의 통공 및 상기 스톱퍼 부재의 중앙통공내에 위치되고, 내측단부에는 플랜지가 연장 형성되며, 외측단부에는 스프링 리테이너가 부착된 밸브부재와, 상기 스톱퍼부재의 외측면과 상기 밸브부재의 리테이너 사이에 개재되어, 상기 밸브부재를 탄성지지하는 압축 스프링을 포함하는 것을 특징으로 한다.The cutting oil supply device of the present invention for achieving the above object is a cutting oil supply device for supplying the cutting oil from the cutting oil supply to the cutting work area of the machine tool having a tool post having a hollow shaft on its inner surface, A cutting oil supply tube inserted into and fixed in the axial direction in the axial direction, one end of which is connected to the cutting oil supply source, and installed in the front end of the hollow shaft to enable axial movement and rotational movement, and a boss is formed in the center in the axial direction. A turret in which a plurality of coolant passages are formed radially from the boss; It is fixed to the feed tube via a cam member while being located in the axial boss of the turret, and provided with a large diameter through hole and a small diameter through a boundary at a step surface, and radially outward from the through hole of the small diameter. A cylindrical member having a cutting oil supply path formed therein; A stopper member blocking the boss of the turret and having a central through hole, located in the through hole of the cylindrical member and the central through hole of the stopper member, the inner end of which has a flange extending, the outer end of the valve member is attached to the spring retainer And a compression spring interposed between the outer surface of the stopper member and the retainer of the valve member to elastically support the valve member.

이하, 첨부된 도면을 참조하면 본 고안의 대표적인 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제2도 및 제3도를 참조하면, 본 고안의 절삭유 공급장치가 적용된 공작기계의 공구대가 단면도로서 도시되어 있다.2 and 3, a tool post of a machine tool to which the cutting oil supply device of the present invention is applied is shown as a cross-sectional view.

이 공구대의 후방에는 절삭유 공급원이 호스(10)를 통해서 접속되고, 공구대의 중공축(12)내에는 길다란 형상의 절삭유 공급튜브(14)가 축방향으로 삽입 고정되는 바, 이 절삭유 공급튜브(14)의 일단부는 전술한 절삭유 공급원과 연결되어 진다.The cutting oil supply source is connected to the rear of the tool post via the hose 10, and the cutting oil supply tube 14 having an elongated shape is inserted and fixed in the hollow shaft 12 of the tool post in the axial direction. One end of) is connected to the aforementioned coolant source.

한편, 전술한 공구대의 중공축(12) 선단에는 대략 8각형의 터릿(16)이 부착되어서 중공축(12)과 함께 축방향으로 전, 후진운동하거나 소정의 각도, 예를 들면, 45°씩 회전운동한다.On the other hand, at the tip of the hollow shaft 12 of the tool bar described above, an approximately octagonal turret 16 is attached and moves forward and backward in the axial direction together with the hollow shaft 12 or at a predetermined angle, for example, by 45 °. Rotate.

또한 이 터릿(16)의 중앙에는 축방향의 보스(18)가 형성되고, 이 축방향의 보스(18)로부터 반경 방향으로는 제4도에 확대 도시된 바와 같이, 복수개의 절삭유 공급통로(20)가 형성되어 있다.In addition, an axial boss 18 is formed in the center of the turret 16, and a plurality of cutting oil supply passages 20 are enlarged in the radial direction from the axial boss 18 in FIG. 4. ) Is formed.

이때 터릿(16)의 축방향 보스(18)로는 원통형 부재(20)가 조립되어지는 바, 이 원통형 부재(22)의 일단부는 캠부재(24)를 개재하여 상술한 절삭유 공급튜브(14)의 타단부에 고정된다. 또한, 원통형 부재(22)의 중앙에는 대직경의 통공(26)과 소직경의 통공(28)이 순차적으로 형성되어 있으며, 이들 양자의 통공(26)(28)은 단차면(30)에서 경계를 이루고 있다. 또한 원통형부재(22)에도 역시 소직경의 통공(28)으로부터 반경방향 외측을 향해서 절삭유 공급통로(32)가 형성되어 있다. 이에 의해 원통형 부재(22)의 절삭유 공급통로(32)는 터릿(16)이 45°씩 회전할때마다 터릿의 절삭유 공급통로(20)와 일치하게 된다.At this time, the cylindrical member 20 is assembled to the axial bosses 18 of the turret 16, and one end of the cylindrical member 22 is formed of the cutting oil supply tube 14 via the cam member 24. It is fixed to the other end. In addition, a large diameter through hole 26 and a small diameter through hole 28 are sequentially formed in the center of the cylindrical member 22, and both through holes 26 and 28 are bounded at the step surface 30. To achieve. In addition, the cylindrical member 22 is also provided with a cutting oil supply passage 32 toward the radially outer side from the small diameter through-hole 28. As a result, the cutting oil supply passage 32 of the cylindrical member 22 coincides with the cutting oil supply passage 20 of the turret whenever the turret 16 rotates by 45 °.

한편, 전술한 터릿(16)의 축방향 보스(18)는 중앙 통공을 갖는 스톱퍼 부재(34)에 의해서 막혀 있다.On the other hand, the axial boss 18 of the turret 16 described above is blocked by a stopper member 34 having a central through hole.

상기 원통형부재(22)의 통공(26)(28)과 상기 스톱퍼부재(34)의 중앙통공에는 밸브부재(36)가 조립되는 바, 이 밸브부재(36)는 그것의 내측단부에 형성된 원환상의 플랜지(38)와 그것의 외측단부에 부착된 스프링 리테이너(40)를 구비하고 있다. 이때 스프링 리테이너(40)와 스톱퍼부재(34)의 외면 사이에는 압축 코일스프링(42)이 탄성적으로 설치되어 있다.The valve member 36 is assembled to the through holes 26 and 28 of the cylindrical member 22 and the central hole of the stopper member 34. The valve member 36 has an annular shape formed at an inner end thereof. Flange 38 and a spring retainer 40 attached to an outer end thereof. At this time, the compression coil spring 42 is elastically installed between the spring retainer 40 and the outer surface of the stopper member 34.

다음은 본 고안에 의한 절삭유 공급장치의 작동에 관해서 간략하게 설명한다. 먼저, 제어기(도시하지 않음)로부터 공구 교환 지령이 발생되면, 터릿(16)은 기설정된 스트로크만큼(예를 들면 4mm)전진한다. 그런데, 원통형 부재(22)의 단차면(30)과 밸브부재(36)의 플랜지(38)사이의 간격은 터릿(16)의 스트로크에 비해서 작으므로(예를 들면 3mm), 상기 플랜지(38)은 터릿(16)의 전진 스크로크가 종료되기전에 상기 단차면(30)에 밀착됨으로써 절삭유의 흐름을 차단하게 된다.The following briefly describes the operation of the cutting oil supply device according to the present invention. First, when a tool change command is generated from a controller (not shown), the turret 16 advances by a predetermined stroke (for example, 4 mm). However, since the gap between the stepped surface 30 of the cylindrical member 22 and the flange 38 of the valve member 36 is smaller than the stroke of the turret 16 (for example, 3 mm), the flange 38 The silver closes to the step surface 30 before the forward stroke of the turret 16 is terminated to block the flow of cutting oil.

이때 밸브부재(36)는 상기 플랜지(38)와 단차면(30)간의 접촉이 이루어진 후에도 스프링(42)의 힘을 극복하고 소정의 거리만큼(예를 들면 1mm)계속해서 전진함으로써 상술한 플랜지(38)와 단차면(30)간의 밀착력을 강화하게 된다.At this time, the valve member 36 overcomes the force of the spring 42 even after the contact between the flange 38 and the step surface 30 is made, and continuously advances by a predetermined distance (for example, 1 mm) so that the above-described flange ( 38) and the adhesion between the step surface 30 will be strengthened.

이 상태에서 터릿(16)은 지령번호만큼 회전하고 지령번호에 도달하면 회전동작은 중단된다. 이에 따라 원통형 부재(22)의 절삭유 공급통로(32)와 터릿(16)의 절삭유 공급통로(20)중 하나는 완전히 일치하여 절삭유 공급원으로부터의 절삭유의 유통이 가능하게 된다. 그 후, 터릿(16)은 전진 이동거리만큼 후퇴하여 초기위치로 복귀하고, 동시에 플랜지(38)와 단차면(30)이 이격되면서 절삭유 공급통로(20)(32)가 연통되면서 절삭유가 분사되어 공작물 가공작업을 수행할 수 있게 되는 것이다.In this state, the turret 16 rotates by the command number and stops the rotation operation when the command number is reached. As a result, one of the cutting oil supply passage 32 of the cylindrical member 22 and the cutting oil supply passage 20 of the turret 16 is completely coincident so that the cutting oil can be distributed from the cutting oil supply source. Thereafter, the turret 16 is retracted by the forward movement distance to return to the initial position, and at the same time, the coolant is injected while the coolant supply passages 20 and 32 communicate with each other while the flange 38 and the step surface 30 are spaced apart. Work on the workpiece can be performed.

이상에서 설명한 것과 같은 본 고안의 절삭유 공급장치에 의하면, 절삭유 공급튜브가 공구대의 중공축 내부를 통해 마련되는 것이어서, 절삭작업공간을 절감할 수 있고, 가공물 및 심압대가 절삭유 공급장치에 의해서 간섭을 받는 일이없으며, 절삭칩이 장치의 내부로 침입하는 것을 방지할 수 있는 등의 산업상 유용한 효과가 제공된다.According to the coolant supply device of the present invention as described above, the coolant supply tube is provided through the hollow shaft inside the tool bar, thereby reducing the cutting work space, and the workpiece and tailstock are interfered by the coolant supply device. There is no work, and industrially useful effects such as preventing the cutting chip from entering the inside of the apparatus are provided.

Claims (1)

(정정) 그 내면에 중공축이 마련된 공구대를 갖는 공작기계의 절삭작업부위에 절삭유 공급원으로부터의 절삭유를 공급하기 위한 절삭유 공급장치에 있어서; 상기 공구대의 중공축내에 축방향으로 삽입 고정되며, 그 일단부가 상기 절삭유 공급원에 접속되는 절삭유 공급튜브와; 상기 중공축의 선단에 축방향 운동 및 회전운동 가능하게 설치되며, 중앙에는 축방향으로 보스가 형성되고, 이 보스로부터 반경방향으로는 복수개의 절삭유 통로가 형성된 터릿과; 상기 터릿의 축방향 보스내에 위치된채 캠부재를 통해 상기 공급튜브에 고정되며, 단차면에서 경계를 이루는 대직경의 통공과 소직경의 통공이 마련되고, 상기 소직경의 통공으로부터는 반경방향 외측으로 절삭유 공급로가 형성된 원통형부재와; 상기 터릿의 보스를 막고 있으며 중앙통공을 갖는 스톱퍼 부재와; 상기 원통형 부재의 통공 및 상기 스톱퍼 부재의 중앙통공내에 위치되고, 내측단부에는 플랜지가 연장 형성되며, 외측단부에는 스프링 리테이너가 부착된 밸브부재와; 상기 스톱퍼부재의 외측면과 상기 밸브부재의 리테이너 사이에 개재되어, 상기 밸브부재를 탄성지지하는 압축 스프링을 포함하는 절삭유 공급장치.(Correction) A cutting oil supply device for supplying cutting oil from a cutting oil supply source to a cutting work site of a machine tool having a tool post provided with a hollow shaft on its inner surface; A cutting oil supply tube inserted and fixed in an axial direction in the hollow shaft of the tool post, one end of which is connected to the cutting oil supply source; A turret installed at an end of the hollow shaft to enable axial movement and rotational movement, a boss formed in the center thereof in the axial direction, and a plurality of coolant passages formed in the radial direction from the boss; It is fixed to the feed tube via a cam member while being located in the axial boss of the turret, and provided with a large diameter through hole and a small diameter through a boundary at a step surface, and radially outward from the through hole of the small diameter. A cylindrical member having a cutting oil supply path formed therein; A stopper member blocking the boss of the turret and having a central hole; A valve member positioned in the through hole of the cylindrical member and the central through hole of the stopper member, the inner end of which has a flange extending, and the outer end of which has a spring retainer; And a compression spring interposed between an outer surface of the stopper member and a retainer of the valve member to elastically support the valve member.
KR2019900021485U 1990-12-28 1990-12-28 Device for supplying cutting oil KR960005134Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900021485U KR960005134Y1 (en) 1990-12-28 1990-12-28 Device for supplying cutting oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900021485U KR960005134Y1 (en) 1990-12-28 1990-12-28 Device for supplying cutting oil

Publications (2)

Publication Number Publication Date
KR920011470U KR920011470U (en) 1992-07-24
KR960005134Y1 true KR960005134Y1 (en) 1996-06-22

Family

ID=19308197

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900021485U KR960005134Y1 (en) 1990-12-28 1990-12-28 Device for supplying cutting oil

Country Status (1)

Country Link
KR (1) KR960005134Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100930250B1 (en) * 2008-02-22 2009-12-09 (주)유지인트 Machine tool spraying coolant in columnar form

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100930250B1 (en) * 2008-02-22 2009-12-09 (주)유지인트 Machine tool spraying coolant in columnar form

Also Published As

Publication number Publication date
KR920011470U (en) 1992-07-24

Similar Documents

Publication Publication Date Title
JP3449929B2 (en) Machining method
EP0527238B1 (en) Machine tool
GB2273255A (en) Device for supplying fluid to a tool
US20240051037A1 (en) Tool clamp device and machine tool
CN111037356A (en) Cooling liquid feeding device
CN2178590Y (en) Cooling device of CNC lathe drill thrust tool
JP2007525334A (en) Lathe tool
US3397615A (en) Tool arbor
JP3143544U (en) Coolant supply means
ES2307934T3 (en) POWER SUPPLY OF PNEUMATIC / HYDRAULIC POWER.
US4589310A (en) Chuck and rotary tool to be used when making a hole in a workpiece
KR960005134Y1 (en) Device for supplying cutting oil
US5277523A (en) Precision depth spindle
JPH0717452U (en) Tool holder with coolant outlet
KR200149683Y1 (en) Spindle clamping device of nc boring machine
JP4245090B2 (en) Spindle structure of machine tool
JP2001162408A (en) Machine tool provided with diametrical cutting device, and tool holder provided with diametrical cutting device to be used in same machine tool
KR200185572Y1 (en) Coolant nozzle structure
JPH0518037Y2 (en)
CN220680201U (en) Direct injection structure of machine tool cooling liquid
JPS63245342A (en) Tool head
JP2006326732A (en) Lathe
CN111331419B (en) Numerical control machine tool
KR900011212Y1 (en) Cutting oil device in tool machine
JPH0647647A (en) Cutting lubricant feed device

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
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20020401

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee