KR101617603B1 - A Tool Holder for Turret prevented eccoenticity - Google Patents

A Tool Holder for Turret prevented eccoenticity Download PDF

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Publication number
KR101617603B1
KR101617603B1 KR1020160019538A KR20160019538A KR101617603B1 KR 101617603 B1 KR101617603 B1 KR 101617603B1 KR 1020160019538 A KR1020160019538 A KR 1020160019538A KR 20160019538 A KR20160019538 A KR 20160019538A KR 101617603 B1 KR101617603 B1 KR 101617603B1
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KR
South Korea
Prior art keywords
tool
turret
holder
flange
cutting oil
Prior art date
Application number
KR1020160019538A
Other languages
Korean (ko)
Inventor
송성기
Original Assignee
송성기
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Filing date
Publication date
Application filed by 송성기 filed Critical 송성기
Priority to KR1020160019538A priority Critical patent/KR101617603B1/en
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Publication of KR101617603B1 publication Critical patent/KR101617603B1/en

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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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
    • B23B29/26—Tool holders in fixed position
    • 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
    • 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
    • B23Q11/1023—Tool holders, or tools in general specially adapted for receiving the cutting liquid from 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
    • B23Q3/183—Centering devices

Abstract

The present invention relates to a tool holder for a turret to adjust eccentricity comprising: a turret holder having one side mounted in a holder of a turret and the other side having a turret flange with a recess portion recessed in a circular shape and including an outflow hole penetrating therethrough to allow cutting oil to flow therein; a tool holder having a cylindrical turret mounting part mounted on the recess portion of the turret holder at one side thereof, a tool flange fixed to the turret flange by a bolt such that the turret mounting part is fixed to the turret holder, and a tool mounting part protruding to allow a tool to be inserted and mounted thereon at another side thereof; and a tool fixing nut mounted on the tool mounting part of the tool holder to fix the tool to the tool holder. A partial disposition of the tool mounted on the turret holder is able to be conveniently adjusted to be used, cutting can be performed by precisely adjusting a partial disposition, and cutting oil can be easily supplied to a tool from a side to conveniently use the tool. Moreover, even when a tool is rotated at a high speed, a partial disposition or releasing can be prevented in advance, whereby cutting can be stably performed. In addition, cutting oil introduced when cutting is performed is prevented from being outwardly discharged and is safely used. Moreover, since the tool holder is small, it is able to be easily handled.

Description

Technical Field [0001] The present invention relates to a tool holder for eccentric adjustment turret,

The present invention relates to a tool holder for a turret which is seated on a turret and adjusts its eccentricity, more specifically, it is possible to conveniently adjust the eccentricity of a tool which is seated on the turret holder, The cutting oil can be easily supplied to the tool and can be conveniently used. Also, the tool can be safely cut and prevented from eccentricity or loosening even during high-speed rotation of the tool, and the cutting oil flowing in the cutting process is ejected to the outside To a tool holder for an eccentric adjustment turret which can be safely used and which can be easily handled with a small size.

Generally, a turret is installed in a lathe or a machining center, and a tool holder for a turret is seated on the inside of the turret, and various cutting tools such as a drill or a reamer are mounted and machined.

The tool holder for a turret is a mechanism for fastening a corresponding pair of holders to each other, cutting one end of the tool with a cutting fluid supplied to the inside of the turret while the other end is mounted with a tool.

The turret tool holder according to the prior art (Patent Registration No. 0149786) is configured such that a plurality of clamp wedges for clamping the outer diameter bite for machining the outer diameter of the workpiece to the turret are arranged and mounted in the circumferential direction so as to be movable in the radial direction, An inner diameter tool holder which is assembled by key engagement is provided at one side of the inner diameter tool holder, and a set screw for screwing an inner diameter tool fixed to the socket is screwed to the inner diameter tool holder.

However, in the conventional coolant supply apparatus as described above, when the turret is a type of turret operating in the order of unclamping, rotating, and clamping for the tool change, As a result, the nozzle wears off and the cutting oil is leaked. Further, when the turret is a turret of a type in which the tool is exchanged only by rotation without the unclamping operation, the nozzle protrudes to the outside of the tool bar and can not be used, and there is a problem that it is damaged due to a cutting oil chip or the like.

In order to solve such a problem, a tool holder for a turret of Patent Registration No. 10-1050411 is registered and disclosed, which is a tool holder which is installed on an inner diameter tool holder provided on a turret on one side and a tool mounting portion on the other side, A flow path through which the cutting oil flows is formed inside the tool holder so that the cutting oil flowing into the cutting oil inlet is discharged through the tool mounting portion to surround the outer circumferential surface of the tool and to be discharged in the longitudinal direction of the tool.

In addition, as disclosed in Patent Registration No. 10-1076711, a tool holder for a turret having a stopper is disclosed. As shown in FIG. 3, a flow passage 400 through which a cutting oil flows is formed inside a tool holder, The cutting oil inlet may be formed at the center of one end of the tool holder, and the tool mounting portion 320 may have a hollow cylindrical shape having a tool insertion hole 322 formed at the center thereof And is configured to be able to fix the inserted tool by tightening a tool fixing bolt (328) formed to protrude from one side of the tool holder and coupled to a nut hole (326) for a tool fixing bolt formed on the outer circumferential surface of the tool mounting portion, A plurality of cutting oil discharging holes 324 are radially formed at the edge of the hole 322 so that the cutting oil discharged through the cutting oil discharging hole covers the outer peripheral surface of the tool and discharges It is constructed.

The first tool holder and the second tool holder are configured to be separated and joined to two portions of a second tool holder 300 on which a tool is installed, The packing grooves 240 are formed in the first tool holder 300 so that the seal can be maintained even if the position of the second tool holder 300 is moved and combined so as to correct the eccentricity of the installed tool, The first and second guide protrusions 212 and 214 and the corresponding first and second guide grooves 312 and 314 formed on the coupling surface 210 of the second tool holder or the coupling surface 310 of the second tool holder The eccentricity can be corrected.

In order to adjust the eccentricity, the conventional tool holder for a turret must press the side of the first tool holder 200 and the second tool holder 300 of the turret tool holder with a hammer or the like to force the eccentricity adjustment. The tool holder may be damaged due to the price and the tool may be detached due to the high speed rotation, which makes it difficult to cut the tool. Since the coolant is supplied from the rear side of the tool holder, There is a problem that it is inconvenient to disassemble the whole tool holder, and there is a problem that it is inconvenient to find a fastening tool for the nut when fastening the cutting tool, and there is a problem that the cutting oil is sprayed to the front surface of the tool.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a turret holder which can easily adjust the eccentricity of a tool placed on a turret holder, precisely control the eccentricity, The cutting oil can be easily supplied to the tool and can be conveniently used. Also, it is possible to prevent the eccentricity or the loosening even during the high-speed rotation of the tool so that the cutting oil can be safely cut. And it is an object of the present invention to provide a tool holder for an eccentric adjustment turret which can be used safely and which can prevent wear of a cutting tool due to high-pressure cutting out through a cutting tool, and which can be easily handled with a small size.

In order to achieve the above object, the present invention provides a tool holder for a turret, in which a tool holder is mounted on a holder of a turret on one side and a cutting tool is mounted on the other side, A turret holder having a turret flange, which is seated in a holder of the turret and in which the other side is formed with a recessed portion recessed into a circular shape, and in which an outflow hole is formed so as to allow the cutting oil to flow out; And a tool flange fixed to the turret flange by bolts so that the turret mount part is fixed to the turret holder, and a tool is inserted into the other side of the turret holder, A tool holder in which a tool seating portion protruding as far as possible is formed; A plurality of eccentric bolt insertion holes formed through the outer circumference of the turret flange of the turret holder to form a screw, and a plurality of eccentric bolt insertion holes formed on the outer circumference of the turret flange of the turret holder, And an eccentric adjustment bolt which is coupled to the eccentric bolt insertion hole and is reciprocated so as to adjust the eccentricity of the tool holder seated inside the turret flange, and a tool fixing nut seated on the tool seating part is fixed, And an outflow preventing packing for preventing the outflow preventing packing.

And a cutting oil hole is formed in the tool flange of the tool holder so as to allow a separate cutting oil to flow therethrough.

And a tool fixing screw having a screw is formed inside the outlet hole of the turret holder so that one end of the tool is fixed and the tool is prevented from eccentricity at high speed rotation.

And a seating cutout portion formed on the outer periphery of the turret seating portion of the tool holder so that the end of the eccentric adjustment bolt is seated.

The tool fixing nut may include a cylindrical fastening body to be fastened to the tool seating portion and an extension fixing nut extending upwardly from the fastening body to form a polygonal shape to fasten the tool and to insert a wrench or a monkey on the outer circumference .

As described above, the effect of the tool holder for the eccentric adjustment turret of the present invention is as follows.

First, a plurality of eccentric bolt insertion holes with a screw are drilled in the outer periphery of the turret holder, and an eccentric adjustment bolt reciprocates inside thereof, so that the eccentricity of the tool seated on the turret holder can be easily adjusted and used And a seating cutout portion in which an end of the eccentric adjustment bolt is seated is formed on the outer circumference of the tool seating portion, so that the eccentricity can be precisely adjusted,

Secondly, since the cutting oil is drilled into the tool holder to penetrate the cutting oil into the inside of the tool holder, the cutting oil can be easily supplied to the tool,

Third, since a tool fixing screw having a screw is formed on the inside of the turret holder so that one end of the tool is screwed, the eccentric or loosening of the tool can be prevented even during high-speed rotation of the tool,

Fourth, since the outflow preventing packing for fixing the tool on the upper side of the tool seating part and preventing the cutting oil from being sprayed to the outside is provided, the cutting oil introduced during cutting can be prevented from being sprayed to the outside, It is possible to prevent the cutting tool from being worn out,

Fifth, a tool is fixed to the tool holder, and an extension fixing nut extending in the shape of a polygon is provided on the upper side to insert the spanner or a monkey wrench while rotating the tool, thereby completely fixing the tool, There is an effect that it can be easily handled.

1 is a schematic view showing a tool holder for a turret according to the invention;
2 is an exploded perspective view of a tool holder for a turret according to the present invention.
3 is a schematic view of a conventional turret tool holder;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, a tool holder for an eccentric adjustment turret according to the present invention is mounted on a holder of a turret, and the other side is provided with a tool for a turret into which a cutting oil flows, The tool holder according to claim 1, further comprising: a turret holder (10) which is seated in a holder of the turret; a tool holder (20) in which the tool is seated in correspondence with the turret holder (10); a tool fixing nut And an outflow preventing packing (40) for preventing outflow to the outside.

That is, the turret holder 10 is provided with a turret flange 12 having one side of the turret holder 10 mounted on the holder of the turret and the other side formed with a concave recessed portion 11, An outflow hole 13 is formed so as to flow out.

The tool holder 20 is formed with a cylindrical turret seating part 21 which is seated on one side of the turret flange 12 of the turret holder 10, A tool flange 22 fixed to the turret flange 12 with a bolt to fix the turret flange 12 to the turret holder 10 and a tool seating portion 23 projected to receive and insert a tool on the other side are formed.

The tool fixing nut 30 is seated on the tool seating portion 23 of the tool holder 20 to fix the tool to the tool holder 20 and the tool holding nut 30 is fixed to the tool seating portion 23 An extension fixing nut 32 formed in a polygonal shape so as to extend above the fastening body 31 to fix the tool and to insert a wrench or a monkey into the outer periphery of the fastening body 31, And a fixing groove (33) formed on the inner side of the through hole (32) so as to seat the outflow preventing packing (40).

A plurality of eccentric bolt insertion holes 14 formed through the outer circumference of the turret flange 12 of the turret holder 10 and formed with threads are coupled to the eccentric bolt insertion holes 14 to form the turret flange 12 And an eccentric adjustment bolt 15 reciprocally moved to adjust the eccentricity of the tool holder 20 mounted on the inside of the tool holder 20.

An outflow preventing packing (40) for fixing the tool fixing nut (30) and preventing the cutting oil from being blown out is provided on the tool seating part (23).

The tool holder 20 includes a tool flange 22 formed inside the tool flange 22 and formed with a cutting oil inlet hole 26 through which an additional cutting oil flows so that the cutting oil is smoothly supplied to the inside of the cutting oil inlet hole 26, (Not shown) is connected

A tool fixing screw 16 having a screw is formed inside the outflow hole 12 of the turret holder 10 so that one end of the tool is fixed and the eccentricity of the tool is prevented from being eccentric.

It is also preferable that a seating cutout portion 25 is formed at the outer periphery of the turret seating portion 21 of the tool holder 20 so that the end of the eccentric adjustment bolt 15 is seated.

The operation of the tool holder for the eccentric adjustment turret according to the present invention will now be described.

A tool holder for an eccentric adjustment turret according to the present invention comprises a turret holder 10 that is seated in a holder of a turret and a tool holder 20 to which the tool is seated, A tool fixing nut 30 for fixing a tool is fastened to the upper side of the tool holder 20 so that the work can be safely cut. A tool is fixed to the tool fixing nut 30, The leakage preventive packing 40 is fastened so that the user can safely perform the cutting process.

The turret holder 10 includes a turret flange 12 having one side fixed to a holder of the turret and the other side formed with a recessed portion 11 recessed in a circular shape and fastened to the tool holder 20, An outflow hole 13 penetrating to allow the cutting oil to flow out is formed inside the tool to prevent abrasion of the tool during cutting.

The tool holder 20 includes a cylindrical turret seat 21 protruding from the turret holder 10 and seated in the recessed portion 11 of the turret holder 10. The turret flange 12 has a corresponding tool flange 22 The tool holder 20 and the tool holder 20 are fixed by a plurality of bolts and the tool seating part 23 is inserted into which the tool is inserted and protruded. The tool is inserted into the tool holder 20, The ball 24 penetrates and continuously supplies the coolant.

The tool fixing nut 30 is seated on the tool seating portion 23 of the tool holder 20 to fix the tool to the tool holder 20 and has a cylindrical fastening body 23 fastened to the tool seating portion 23. [ The tool holder 10 is fixed to the tool holder 31. At this time, the tool holder 31 and the extension fixing nut 32 formed in a polygonal shape are extended on the upper side of the tool holder 10, thereby rotating the tool holder 10 while inserting the spanner or the monkey spanner The tool is completely fixed and connected to the upper side, so that the size is small and handling is convenient.

A plurality of eccentric bolt insertion holes 14 are formed in the outer periphery of the turret flange 12 of the turret holder 10 and the eccentric bolt insertion holes 14 are inserted into the eccentric bolt insertion holes 14, So that the eccentricity of the tool holder 20 mounted on the inner side of the turret flange 12 can be conveniently adjusted and used while reciprocally moving using the tool.

The outflow preventing packing (40) for fixing the tool fixing nut (30) and preventing the cutting oil from being sprayed to the outside is provided on the upper side of the tool seating part (23), so that the through - hole penetrated through the cutting tool It is possible to prevent the cutting oil from being discharged to the outside due to the high-pressure discharge of the cutting oil, and also to prevent the cutting tool from being worn out by discharging the high-pressure cutting through the cutting tool.

The cutting oil inlet hole 26 is formed in the tool holder 20 so as to allow the cutting oil to flow into the tool flange 22 so that the cutting oil can be supplied to the tool at a high speed.

A tool fixing screw 16 having a screw is formed on the inside of the outlet hole 12 of the turret holder 10 so that one end of the tool is screwed to prevent eccentricity or loosening of the tool against high- It becomes possible to perform the cutting process.

The eccentric adjustment bolt 15 is formed on the outer periphery of the turret seating part 21 of the tool holder 20 so as to have a seat cut-out part 25 for receiving the end of the eccentric adjustment bolt 15, So that the eccentricity can be precisely controlled.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is to be understood that all the techniques which can be easily changed and changed are included in the technical scope of the present invention.

10: turret holder 11:
12: Turret flange 13: Outlet ball
14: eccentric bolt insertion hole 15: eccentric adjustment bolt
20: tool holder 21: turret seat part
22: tool flange 23: tool seating part
24: through hole 25: seat incision
26: Cutting oil penetration 30: Tool fixing nut
31: fastening body 32: extension fixing nut
33: Fixing groove 40: Spill prevention packing

Claims (5)

A tool holder for a turret in which one side is seated in a holder of a turret and the other side is a high-pressure cutting oil into which a cutting tool is seated to cut a work,
A turret flange 12 having one side fixed to a holder of the turret and formed with a concave recessed portion 11 on the other side and a turret holder 12 having an outflow hole 13 penetrated to allow the cutting oil to flow out, 10);
A cylindrical turret seating part 21 which is seated on one side of the turret flange 12 in the turret holder 10 is formed and the turret seating part 21 is fixed to the turret holder 10 A tool holder 20 having a tool flange 22 fixed to the turret flange 12 by a bolt and a tool seating part 23 protruding from the tool flange 22 to receive the tool;
And a tool holding nut (30) which is seated on the tool receiving portion (23) of the tool holder (20) and fixes the tool to the tool holder (20)
A plurality of eccentric bolt insertion holes 14 formed through the outer circumference of the turret flange 12 of the turret holder 10 and formed with threads are coupled to the eccentric bolt insertion holes 14 to form the turret flange 12 And an eccentric adjustment bolt (15) reciprocally moved to adjust the eccentricity of the tool holder (20) placed on the inner side of the tool holder (20)
An outflow preventing packing 40 for fixing the tool fixing nut 30 seated on the tool seating part 23 and preventing the cutting oil from being sprayed to the outside,
The tool holder 20 is formed with a cutting oil inlet hole 26 formed inside the tool flange 22 so as to allow a separate cutting oil to flow therethrough and is provided inside the cutting oil inlet hole 26, Lt; / RTI >
Wherein a seating cutout portion (25) is formed at an outer periphery of the turret seating portion (21) of the tool holder (20) so that an end of the eccentric adjustment bolt (15) is seated.
delete The method according to claim 1,
Wherein a tool fixing screw (16) having a screw is formed inside the outlet hole (12) of the turret holder (10) so that one side end of the tool is fixed to prevent eccentricity even at high speed rotation of the tool Tool holder.
delete The method according to claim 1,
The tool fixing nut 30 includes a cylindrical fastening body 31 fastened to the tool seating portion 23 and an upper portion extending from the fastening body 31 to fix the tool and a wrench or a monkey is inserted And a fixing groove (33) recessed to receive the outflow preventing packing (40) in the inside of the extending fixing nut (32), characterized in that the fixing nut (32) holder.
KR1020160019538A 2016-02-19 2016-02-19 A Tool Holder for Turret prevented eccoenticity KR101617603B1 (en)

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Application Number Priority Date Filing Date Title
KR1020160019538A KR101617603B1 (en) 2016-02-19 2016-02-19 A Tool Holder for Turret prevented eccoenticity

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KR1020160019538A KR101617603B1 (en) 2016-02-19 2016-02-19 A Tool Holder for Turret prevented eccoenticity

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190026333A (en) * 2017-09-05 2019-03-13 삼성중공업 주식회사 Cutting tool and processing apparatus including the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3102050B2 (en) * 1991-03-28 2000-10-23 日産自動車株式会社 Planetary gear train of automatic transmission
KR101195753B1 (en) * 2012-01-06 2012-11-05 김흥섭 tool holder with control screw for turret
JP2013063483A (en) * 2011-09-16 2013-04-11 Nikken Kosakusho Works Ltd Tool holder
KR101491422B1 (en) 2014-09-16 2015-02-06 정세현 Tool holder with oil housing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3102050B2 (en) * 1991-03-28 2000-10-23 日産自動車株式会社 Planetary gear train of automatic transmission
JP2013063483A (en) * 2011-09-16 2013-04-11 Nikken Kosakusho Works Ltd Tool holder
KR101195753B1 (en) * 2012-01-06 2012-11-05 김흥섭 tool holder with control screw for turret
KR101491422B1 (en) 2014-09-16 2015-02-06 정세현 Tool holder with oil housing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190026333A (en) * 2017-09-05 2019-03-13 삼성중공업 주식회사 Cutting tool and processing apparatus including the same
KR102039663B1 (en) * 2017-09-05 2019-11-01 삼성중공업 주식회사 Cutting tool and processing apparatus including the same

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