WO2014104432A1 - Outil de forage ayant un patin et une tête de forage - Google Patents

Outil de forage ayant un patin et une tête de forage Download PDF

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Publication number
WO2014104432A1
WO2014104432A1 PCT/KR2012/011678 KR2012011678W WO2014104432A1 WO 2014104432 A1 WO2014104432 A1 WO 2014104432A1 KR 2012011678 W KR2012011678 W KR 2012011678W WO 2014104432 A1 WO2014104432 A1 WO 2014104432A1
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WO
WIPO (PCT)
Prior art keywords
fastening
guide
center
shape
drill head
Prior art date
Application number
PCT/KR2012/011678
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English (en)
Korean (ko)
Inventor
손홍승
박찬규
김주오
김성현
임효준
성욱중
Original Assignee
한국야금 주식회사
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 한국야금 주식회사 filed Critical 한국야금 주식회사
Priority to KR1020157009791A priority Critical patent/KR101696564B1/ko
Priority to PCT/KR2012/011678 priority patent/WO2014104432A1/fr
Publication of WO2014104432A1 publication Critical patent/WO2014104432A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/0486—Drills for trepanning with lubricating or cooling equipment
    • B23B51/0493—Drills for trepanning with lubricating or cooling equipment with exchangeable cutting inserts, e.g. able to be clamped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/56—Guiding pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/06—Drills with lubricating or cooling equipment
    • B23B51/063—Deep hole drills, e.g. ejector drills

Definitions

  • the present invention relates to a drill tool, and more particularly, in a drill for processing a deep hole, the drill head includes a guide pad and a cutting insert, and when the hole is processed by the cutting insert, the guide pad is processed.
  • the present invention relates to a drill tool for slipping on a surface to prevent vibration of the drill head to implement hole machining in a stable state.
  • a drill used for deep hole drilling is provided with a drill head at the tip of the tool holder.
  • the tool holder is provided in the form of a tube, and the drill head is provided with a cutting insert and a guide pad.
  • Hole cutting is performed by the cutting insert, and the guide pad slips on the inner diameter surface of the hole to prevent the drill head from vibrating, thereby stably realizing the hole drilling.
  • the chip is discharged along the inner diameter of the tool holder, cutting oil is supplied between the outer diameter of the tool holder and the hole, and the cutting oil is sent toward the drill head.
  • the coolant cools the cutting insert and the guide pad and serves to induce chip evacuation smoothly.
  • the above-described guide pad is made of a material of solid cemented carbide, which is expensive.
  • the guide pad is provided to be replaced, where the guide pad should be fixed to the drill head without shaking, but the conventionally known guide pad is provided in a simple plate shape, so that the guide pad is fastened to the drill head by bolts.
  • shakes are caused by vibrations transmitted during drilling after being fixed.
  • the conventionally known guide pad has a problem that the cooling effect by the cutting oil is low by contacting the cutting oil only the surface exposed after being installed in the drill head.
  • Patent Document 1 Republic of Korea Patent Publication No. 10-1997-0705447 (1997.10.09.)
  • Patent Document 2 Republic of Korea Patent Publication No. 10-2002-0020742 (2002.03.15.)
  • the technical problem to be achieved by the present invention in the guide pad provided in the deep grooving drill to rotate the guide pad to use two sides, to turn the two sides to use a total of four sides to improve the economics
  • the object is to provide a drill tool.
  • Another object of the present invention in the installation of the guide pad to the drill head, the pocket formed on the drill head and the guide pad to be in contact with the fastening surface of five surfaces, in particular, the fastening surface located on the side is V-shaped It is an object to provide a drill tool that is formed to further improve the tightening force.
  • Another object of the present invention is to form a groove (groove) on the side of the pocket formed on the drill head, and to form a V groove on the bottom surface of the pocket, when the guide pad is installed in the pocket between the surface of the pocket and the guide pad
  • An object of the present invention is to provide a drill tool in which a flow path is formed, and the cutting oil flows through the flow path to improve the cooling effect.
  • the drill head 100 is installed at the end of the tool holder 10, the pocket 130 is formed on the outer diameter; And a guide pad (200) installed in the pocket (130).
  • the drill tool comprising the first and second center guide surfaces (211, 212) on the upper and lower sides of the front surface, respectively. Is formed, and first and second center fastening surfaces 221 and 222 are formed at upper and lower ends, respectively, and the first and third fastening surfaces 231 and 233 are formed on either side of the fastening hole 202.
  • the second and fourth fastening surfaces 232 and 234 are formed on the other side, and the first and second center guide surfaces 211 and 212 and the first and third fastening surfaces 231 and 233 are formed.
  • a first side guide surface 251 is formed between the first side guide surface 251 and a second side between the first and second center guide surfaces 211 and 212 and the second and fourth fastening surfaces 232 and 234.
  • a guide surface 252 is formed, and the first side guide surface 251 and the second side guide surface 252 may have a V shape at a first angle.
  • the first and second center guide surfaces 211 and 212 may have a convex curvature, and the first and second side guide surfaces 251 and 252 may have a flat shape. .
  • the first and second center guide surfaces 211 and 212 may have a flat shape, and the first and second side guide surfaces 251 and 252 may have a convex curvature shape. .
  • the drill tool according to the invention recesses lower than the surfaces of the first and second center guide surfaces 211, 212 between the first center guide surface 211 and the second center guide surface 212. 241 may be formed.
  • third and fourth center guide surfaces 213 and 214 are formed on upper and lower sides of the rear surface, respectively, and the third and fourth center guide surfaces 213 and The fourth side guide surface 254 is formed between the 214 and the first and third fastening surfaces 231 and 233, and the third and fourth center guide surfaces 213 and 214 and the second, A third side guide surface 253 is formed between the fourth fastening surfaces 232 and 234, and the first side guide surface 251 and the second side guide surface 252 have a V shape at a first angle. It may be to form a shape.
  • the third and fourth center guide surfaces 211 and 212 may have a convex curvature, and the third and fourth side guide surfaces 251 and 252 may have a flat shape. .
  • the third and fourth center guide surfaces 211 and 212 may have a flat shape, and the third and fourth side guide surfaces 251 and 252 may have a convex curvature shape. .
  • the drill tool according to the invention recesses lower than the surfaces of the third and fourth center guide surfaces 213 and 214 between the third center guide surface 213 and the fourth center guide surface 214. 242 may be formed.
  • the first angle of the drill tool according to the invention may be from 135 ° to 155 °.
  • the first fastening surface 231 and the second fastening surface 232 may form a second angle of an acute angle.
  • the second angle may be 20 ° to 40 °.
  • first and second side grooves 261 and 262 are formed at both sides of the first center fastening surface 221, and third sides are formed at both sides of the second center fastening surface 222.
  • the fourth side grooves 263 and 264 may be formed.
  • the pocket 130 of the drill tool according to the present invention, the cross-sectional shape of the first, second floor fastening surface (131, 132) formed in a V shape; First and second side fastening surfaces 133 and 134 formed in a V shape on a side of the drill head 100 which is pressed against the guide pad 200 when the drill head 100 rotates; A center fastening surface 137 formed on a side surface of the drill head 100 pressed against the guide pad 200 in a direction entering when the drill head 100 is holed; And an opening 138 open to open the end face 122 side of the drill head 100.
  • the main groove 141 may be further formed such that the outer diameter portion of the shank 110 and the center fastening surface 137 communicate with each other.
  • the sub grooves 142 and 143 may be further formed on both sides of the center fastening surface 137 so as to communicate with the main groove 141.
  • the drill tool according to the present invention made as described above is formed in the same shape of the front and back, and the same shape in the left and right side shape, it can be used by mounting by turning 180 degrees relative to the fastening hole, By using the rear side upside down, it is possible to use a total of four sides, thereby increasing the utilization of the guide pad made of expensive cemented carbide material can improve the economics.
  • the pocket formed on the drill head and the guide pad are brought into contact with five fastening surfaces, and in particular, the fastening surface located on the side is V It is formed in the shape of a magnet to further improve the fastening force, and has a rigidity for cutting resistance, thereby making it possible to stably process deep holes without shaking.
  • the drill tool according to the present invention is formed by forming a groove (groove) on the side of the pocket formed on the drill head, and by forming the floor fastening surface of the V groove shape on the bottom surface of the pocket, when the guide pad is installed in the pocket of the pocket A flow path is formed between the surface and the guide pad, and the cutting oil flows through the flow path, thereby improving the cooling effect.
  • the drill tool according to the present invention can further form a groove on the edge side of the guide pad, thereby inducing the introduction of cutting oil can further shape the cooling effect.
  • 1, 2 and 3 is an exploded perspective view, an assembled perspective view and a front view for explaining a drill tool according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view taken along the line A-A of FIG.
  • FIG. 5 is a cross-sectional view taken along the line B-B in FIG.
  • FIG. 6 is a cross-sectional view illustrating a flow path in which cutting oil is moved in a drill tool according to an exemplary embodiment of the present invention.
  • FIG. 7 is a plan view, a front view, and a side view for explaining an example of a guide pad for a drill according to an embodiment of the present invention.
  • FIG 8 is a view for explaining the operation of the guide pad for a drill according to an embodiment of the present invention.
  • FIG. 9 is a view for explaining the guide surface angle in the guide pad for drilling according to an embodiment of the present invention.
  • FIG. 10 is a view for explaining the fastening surface angle in the guide pad for a drill according to an embodiment of the present invention.
  • FIG. 11 is a view for explaining another example of a guide pad for a drill according to an embodiment of the present invention.
  • FIGS. 1 to 6 a drill tool according to an exemplary embodiment of the present invention will be described with reference to FIGS. 1 to 6.
  • 1, 2 and 3 are exploded perspective view, assembly perspective view and front view for explaining a drill tool according to an embodiment of the present invention.
  • 4 is a cross-sectional view taken along the line A-A of FIG. 5 is a cross-sectional view taken along the line B-B in FIG. 6 is a cross-sectional view for describing a flow path in which cutting oil is moved in a drill tool according to an exemplary embodiment of the present invention.
  • the drill head 100 is installed in the tool holder 10.
  • the tool holder 10 and the drill head 100 are formed in a tube shape, and chips may be discharged through holes in the tube.
  • the drill head 100 is the head 120 is formed on one side of the shank 110, it is possible to form a spiral on the shank 110 may be coupled to the tool holder 10 in a spiral.
  • the head 120 is provided with a guide pad 200 and the cutting insert 300.
  • a pocket 130 is formed in the head 120, and the guide pad 200 is fastened to the female screw 150 formed in the pocket 130 by being inserted into the pocket 130. Are assembled.
  • the pocket 130 is formed in a substantially rhombic shape. More specifically, the first and second floor fastening surfaces 131 and 132 are formed on the bottom, and the first and second sides are pressed to the guide pad 200 based on the direction in which the drill head 100 rotates. Two side fastening surfaces 133 and 134 are formed. First and second clearance surfaces 135 and 136 are formed on the opposite side facing the first and second side fastening surfaces 133 and 134, respectively.
  • center fastening surface 137 is formed on the side pressed by the guide pad 200 based on the direction in which the drill head 100 enters the hole when machining the hole, and faces the center fastening surface 137.
  • An opening 138 is formed on the side of the end face 122 on the opposite side.
  • first floor fastening surface 131 and the second floor fastening surface 132 has a V-shape, as shown in FIG.
  • the first side fastening surface 133 and the second side fastening surface 134 form a V shape.
  • the first clearance surface 135 and the second clearance surface 136 have a V shape, as shown in FIGS. 1 to 3.
  • the head 120 is formed with a main groove 141 on the surface connected to the pocket 130.
  • the main groove 141 is used as a flow path through which the cutting oil flows because the groove is formed lower than the outer diameter surface of the head 120.
  • Sub grooves 142 and 143 are formed on both sides of the center fastening surface 137, respectively.
  • the cutting oil introduced through the main groove 141 may be moved toward the first and second floor fastening surfaces 131 and 132 through the sub grooves 142 and 143. That is, the main groove 141 and the sub grooves 142 and 143 are guided to allow the cutting oil to flow into the pocket 130.
  • the cutting oil 600 is provided between the hole 500 and the tool holder 10. Thereafter, the cutting oil 600 flows through the main groove 141 formed in the head 120 and flows into the sub grooves 142 and 143. Thereafter, the cutting oil 600 is moved along the first and second floor fastening surfaces 131 and 132 to be ejected out of the opening 138 to the end face 122, that is, toward the hole end 520.
  • Chips are generated at the hole end 520, which is pushed out by the pressure of the cutting oil and is discharged to the outside along the inner hole of the tube.
  • the flow path is formed between the guide pad 200 and the pocket 130 to prevent the pressure drop of the cutting oil 600, thereby providing a high-pressure cutting oil 600 to the hole end 520 Can have a more favorable effect on chip evacuation.
  • the guide pad 200 is provided in a rhombic shape with respect to the fastening hole 202.
  • it is a shape which top, bottom, left and right are symmetrical when seen from the front surface, and the shape before flipping and the shape after flipping are the same.
  • Accompanying drawings Figure 7 is a plan view, front view, side view for explaining an example of a guide pad for a drill according to an embodiment of the present invention.
  • Accompanying drawings Figure 8 is a view for explaining the operation of the guide pad for a drill according to an embodiment of the present invention.
  • 9 is a view for explaining the guide surface angle in the guide pad for drilling according to an embodiment of the present invention.
  • Accompanying drawings Figure 10 is a view for explaining the fastening surface angle in the guide pad for a drill according to an embodiment of the present invention.
  • the guide pad 200 has a shape in which the left and right are symmetrical and the top and bottom are symmetrical with respect to the fastening hole 202 as viewed from the front, and have a rhombic shape as a whole.
  • Fig.7 (a) (c) it is a shape in which the front surface and the back surface are symmetric up-down.
  • the guide pad 200 according to an embodiment of the present invention has the same shape before and after turning in any direction, and even when turned upside down, the guide pad 200 has the same shape.
  • the guide pad 200 has first and second center guide surfaces 211 and 212 formed on the front and bottom of the fastening hole 202, respectively.
  • the guide pads 200 are provided with third and fourth center guide surfaces 213 and 214 above and below the back of the fastening holes 202, respectively.
  • the first, second, third, and fourth center guide surfaces 211, 212, 213, and 214 described above may be formed with convex curvatures, and the radius of curvature is equal to or smaller than the radius of the hole 500. .
  • the guide pads 200 have first and second center fastening surfaces 221 and 222 on upper and lower end surfaces, respectively.
  • the guide pad 200 has first and second fastening surfaces 231 and 232 formed on either side of the fastening hole 202 and the third and fourth fastening surfaces 233 and 234 on the other side thereof. Is formed.
  • the first fastening surface 231 and the second fastening surface 232 described above form a V shape, and similarly, the third fastening surface 233 and the fourth fastening surface 234 form a V shape.
  • the fastening holes 202 of the guide pad 200 are lower than the surfaces of the first and second center guide surfaces 211 and 212 and the third and fourth center guide surfaces 213 and 214 described above, respectively.
  • Recesses 241 and 242 are formed. The recesses 241 and 242 serve to secure a space around the bolt 400 when the guide pad 200 is installed in the pocket 130. That is, the cutting oil 600 moves along the depths of the first and second floor fastening surfaces 131 and 132, but the cutting oil 600 bypasses the recesses 241 and 242 at the portion where the bolt 400 is disposed. It is moved.
  • the guide pads 200 are provided with first and second side guide surfaces 251 and 252 on both sides of the front surface of the fastening hole 202, respectively, and third and fourth side guides on both sides of the back surface, respectively.
  • Surfaces 253 and 254 are formed.
  • the first side guide surface 251 and the second side guide surface 252 described above have a V shape.
  • the third side guide surface 253 and the fourth side guide surface 254 formed on the rear face have a V shape.
  • the cutting oil 600 may flow into the first to fourth side guide surfaces 251, 252, 253, and 254 from the guide pad 200. That is, by introducing the cutting oil 600 into a larger area, the cooling effect on the guide pad 200 is improved, and the frictional resistance reducing effect is further improved.
  • the first angle formed by the first side guide surface 251 and the second side guide surface 252 may be set in a range of 135 ° to 155 °.
  • the thickness of the first to fourth fastening surfaces 231, 232, 233, and 234 may be so thin that the fastening force may be weakened.
  • the first angle is 155 ° or less, it is possible to secure the thickness of the first to fourth fastening surfaces 231, 232, 233, and 234, thereby making it possible to widen the contact surface when tightening, thereby strengthening the fastening force. have.
  • the inflow of the cutting oil 600 may not be smooth. have.
  • the first angle formed by the first side guide surface 251 and the second side guide surface 252 may be preferably set to a range of 135 ° to 155 °, and likewise, the third side The first angle formed by the guide surface 253 and the fourth side guide surface 254 may be set in the range of 135 ° to 155 °.
  • the second angle of the acute angle formed by the first fastening surface 131 and the second fastening surface 232 may be set to 20 ° to 40 °.
  • the second angle is greater than or equal to 20 °
  • the ratio of the width L2 of the first and second center fastening surfaces 221 is greater than the width L of the guide pad 200, so that the guide pad ( When 200 is installed, the tightening force is improved.
  • the drill head 100 rotates when the hole is machined, and as a result, as shown in FIG. 10A, the head 120 is applied to the first and fourth fastening surfaces 231 and 234. To act.
  • the guide pad 200 generates a force to rotate about the fastening hole 202 by vibration or external force not specified. That is, the guide pad 200 should have rigidity with respect to the complex force described above.
  • the larger the second angle the smaller the angle between the first fastening surface 231 and the fourth fastening surface 234 is, thereby forming a V-shaped shape having a relatively sharper shape, and the drill head 100 is The sharper the shape, the stronger the stiffness.
  • the ratio of the width L2 of the first and second center fastening surfaces 221 is smaller than that of the width L of the guide pad 200. Since the angle formed between the 231 and the fourth fastening surface 234 becomes wider, the effect due to the V shape may be insignificant.
  • the width L2 of the first and second center fastening surfaces 221 may be too small.
  • the drill head 100 may be smaller. The rigidity with respect to the force acting in the entering direction at the time of hole machining can be weakened.
  • the width L2 of the first and second center fastening surfaces 221 can be secured.
  • the drill head 100 can be drilled by securing the width L2. It may have a rigidity against the force acting in the entering direction when machining.
  • the guide pad 200 may not be detached from the pocket 130 and a good fastening force may be realized. Since the drill head 100 may have rigidity with respect to the force applied when the drill head 100 enters the hole, the guide pad 200 may be more firmly fixed to the pocket 130.
  • the guide pad 200 includes first to fourth side grooves 261 to 264 on the first to fourth fastening surfaces 231 to 234 adjacent to the first and second center fastening surfaces 211 and 222, respectively. ) Can be formed.
  • the first to fourth side grooves 261 to 264 described above face the sub grooves 142 and 143 when the guide pad 200 is installed in the pocket 130, thereby forming a larger flow path. That is, the cutting oil 600 may be induced to flow into the inside of the pocket 130 more easily.
  • the guide pad 200 has been described that the first to fourth guide surfaces 211, 212, 213, 214 located in the center is slipped with the hole inside 510, on the contrary
  • the first to fourth side guide surfaces 251, 252, 253, and 254 may slip with the hole inside 510. This will be described with reference to FIG. 11.
  • FIG. 11 is a view for explaining another example of a guide pad for a drill according to an embodiment of the present invention.
  • the guide pad 200 illustrated in FIG. 11 provides the first to fourth guide surfaces 211, 212, 213, and 214 in a flat shape, and the first to fourth side guide surfaces 251 and 252. , 253 and 254 may be provided to have convex curvature. That is, the first to fourth side guide surfaces 251, 252, 253, and 254 and the hole inside 510 slip. Meanwhile, since a space is formed between the first to fourth guide surfaces 211, 212, 213, and 214 and the hole inside 510, the cutting oil 600 may flow into the space.
  • the cutting oil 600 implements the cooling action and the frictional resistance reduction action.
  • Drill guide pad 200 and the drill head 100 according to an embodiment of the present invention made as described above is formed in the same shape of the front and back, and by forming the same in the shape of the left and right sides, fastening It can be installed by turning 180 degrees around the hole, and can be used by reversing the front and back, so that a total of four sides can be used, thereby increasing the utilization of guide pads made of expensive cemented carbide material and improving economic efficiency. have.
  • a pocket formed in the drill head 100 130 and the guide pad 200 are in contact with the fastening surface of the five sides, in particular, the fastening surface located on the side is formed in a V-shape to further improve the fastening force to have a rigidity for cutting resistance without shaking
  • the deep hole can be processed stably.
  • the drill guide pad 200 and the drill head 100 forms a groove on the side of the pocket 130 formed in the drill head 100, the pocket 130
  • the V-groove-shaped floor fastening surface on the bottom surface of the pocket 130, when the guide pad 200 is installed in the pocket 130, a flow path is formed between the surface of the pocket 130 and the guide pad 200. Through the coolant flow through it can improve the cooling effect.
  • the drill guide pad 200 and the drill head 100 may further form grooves on the edge side of the guide pad 200, thereby inducing the introduction of cutting oil
  • the cooling effect can be further shaped.
  • the guide pad and the drill head according to the present invention can be installed in a deep grooving drill and used to perform hole processing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)

Abstract

La présente invention porte sur un outil de forage. L'outil de forage selon la présente invention est configuré de telle sorte qu'un patin de guidage en forme de diamant est disposé dans une poche en forme de diamant, dont le fond est en forme de V et dont un côté présente une rainure formée à l'intérieur de celui-ci de façon à permettre au patin de guidage d'être installé, un fluide de coupe s'écoulant entre la poche et le patin de guidage, améliorant ainsi l'efficacité de refroidissement du patin de guidage. De plus, la forme du patin de guidage est de forme symétrique dans les directions gauche, droite et verticale, permettant ainsi à la totalité des quatre surfaces latérales d'être utilisées et améliorant les avantages économiques. De plus, la forme du patin de guidage est en forme de diamant en vue en plan, induisant ainsi une introduction régulière du fluide de coupe.
PCT/KR2012/011678 2012-12-28 2012-12-28 Outil de forage ayant un patin et une tête de forage WO2014104432A1 (fr)

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Application Number Priority Date Filing Date Title
KR1020157009791A KR101696564B1 (ko) 2012-12-28 2012-12-28 패드와 드릴 헤드를 가지는 드릴 공구
PCT/KR2012/011678 WO2014104432A1 (fr) 2012-12-28 2012-12-28 Outil de forage ayant un patin et une tête de forage

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PCT/KR2012/011678 WO2014104432A1 (fr) 2012-12-28 2012-12-28 Outil de forage ayant un patin et une tête de forage

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US20160243627A1 (en) * 2013-10-16 2016-08-25 Sandvik Intellectual Property Ab Guide pad and cutter head for a cutting tool
CN106270694A (zh) * 2016-09-29 2017-01-04 江苏中晟钻石工具有限公司 一种新型pcd玉米铣刀
CN107530791A (zh) * 2015-07-27 2018-01-02 株式会社泰珂洛 切削工具用更换部件以及切削工具用工具体
DE102019109256A1 (de) * 2019-04-09 2020-10-15 Botek Präzisionsbohrtechnik Gmbh Mehrfach verwendbare Führungsplatte und Bohrwerkzeug mit auswechselbarer Führungsplatte
DE102020125549B3 (de) 2020-09-30 2021-08-12 Botek Präzisionsbohrtechnik Gmbh Mehrfach verwendbare Führungsplatte und Bohrwerkzeug mit auswechselbarer Führungsplatte

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KR200489244Y1 (ko) * 2017-06-28 2019-05-21 두산중공업 주식회사 인서트 드릴

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Publication number Priority date Publication date Assignee Title
US20160243627A1 (en) * 2013-10-16 2016-08-25 Sandvik Intellectual Property Ab Guide pad and cutter head for a cutting tool
US9956623B2 (en) * 2013-10-16 2018-05-01 Sandvik Intellectual Property Ab Guide pad and cutter head for a cutting tool
CN107530791A (zh) * 2015-07-27 2018-01-02 株式会社泰珂洛 切削工具用更换部件以及切削工具用工具体
US20180169770A1 (en) * 2015-07-27 2018-06-21 Tungaloy Corporation Cutting tool replacement member and cutting tool body
EP3300824A4 (fr) * 2015-07-27 2018-06-27 Tungaloy Corporation Élément de remplacement d'outil de coupe et corps d'outil de coupe
US10512973B2 (en) 2015-07-27 2019-12-24 Tungaloy Corporation Cutting tool replacement member and cutting tool body
CN107530791B (zh) * 2015-07-27 2020-04-28 株式会社泰珂洛 切削工具用更换部件以及切削工具用工具体
CN106270694A (zh) * 2016-09-29 2017-01-04 江苏中晟钻石工具有限公司 一种新型pcd玉米铣刀
DE102019109256A1 (de) * 2019-04-09 2020-10-15 Botek Präzisionsbohrtechnik Gmbh Mehrfach verwendbare Führungsplatte und Bohrwerkzeug mit auswechselbarer Führungsplatte
WO2020207690A1 (fr) 2019-04-09 2020-10-15 Botek Präzisionsbohrtechnik Gmbh Plaque de guidage à usage multiple et outil de perçage comportant une plaque de guidage interchangeable
DE102020125549B3 (de) 2020-09-30 2021-08-12 Botek Präzisionsbohrtechnik Gmbh Mehrfach verwendbare Führungsplatte und Bohrwerkzeug mit auswechselbarer Führungsplatte
WO2022069165A1 (fr) 2020-09-30 2022-04-07 Botek Präzisionsbohrtechnik Gmbh Plaque de guidage réutilisable et outil de perçage avec plaque de guidage échangeable

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