WO2023090153A1 - ホルダ、切削工具及び切削加工物の製造方法 - Google Patents

ホルダ、切削工具及び切削加工物の製造方法 Download PDF

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Publication number
WO2023090153A1
WO2023090153A1 PCT/JP2022/040943 JP2022040943W WO2023090153A1 WO 2023090153 A1 WO2023090153 A1 WO 2023090153A1 JP 2022040943 W JP2022040943 W JP 2022040943W WO 2023090153 A1 WO2023090153 A1 WO 2023090153A1
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WIPO (PCT)
Prior art keywords
groove
insert
pocket
cutting
holder
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2022/040943
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English (en)
French (fr)
Japanese (ja)
Inventor
友紀 吉木
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Kyocera Corp
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Kyocera Corp
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Filing date
Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Priority to JP2023561515A priority Critical patent/JP7746403B2/ja
Publication of WO2023090153A1 publication Critical patent/WO2023090153A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/10—Cutting tools with special provision for cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/06—Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/28—Features relating to lubricating or cooling
    • 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

Definitions

  • the present disclosure relates to a holder for cutting tools.
  • a cutting tool can be used when cutting a work material such as metal.
  • Patent Document 1 International Publication No. 2019/220528
  • Patent Document 2 Japanese Patent Publication No. 2020-518477
  • the cutting tool described in Patent Document 1 has a coolant supply passage having a discharge passage and a coolant reservoir.
  • the discharge passage is a hole that opens to the chip pocket and contains a coolant outlet.
  • the coolant reservoir is a hole located inside the discharge passage and having a larger inner diameter than the discharge passage.
  • the cutting tool described in Patent Document 2 has a supply hole and a longitudinal opening.
  • a feed hole is a hole defined by the tool head and disk and is the site for supplying coolant to the cutting element.
  • Longitudinal openings, like feed holes, are holes defined by the tool head and disk and extend from the feed hole to the groove (chip pocket).
  • Patent Documents 1 and 2 both have flow paths for supplying coolant toward chip pockets, but these flow paths are composed only of hole-shaped portions. Therefore, there is a possibility that the discharge port of the flow path may be temporarily blocked by chips generated during cutting of the work material. In addition, since high fluid pressure is generally applied to the coolant, if the discharge port of the flow channel is temporarily blocked, the flow channel may be damaged.
  • a non-limiting one-sided holder of the present disclosure includes a cylindrical body extending from a first end toward a second end along an axis of rotation; a chip pocket positioned ahead of the insert pocket in the direction of rotation of the rotating shaft; and a linear chip pocket positioned inside the main body and open toward the chip pocket. and a first groove opening toward the first end and extending along a central axis of the coolant hole from the opening of the coolant hole toward the chip pocket.
  • FIG. 1 is a perspective view of a non-limiting one-sided holder of the present disclosure
  • FIG. 2 is a perspective view of the holder shown in FIG. 1 as seen from another direction
  • FIG. 2 is a plan view of the holder shown in FIG. 1 as seen from the first end side
  • FIG. It is the side view which looked at the holder shown in FIG. 3 from A1 direction.
  • FIG. 3 is the side view which looked at the holder shown in FIG. 3 from A2 direction.
  • 1 is a perspective view of a non-limiting one-sided cutting tool of the present disclosure
  • FIG. 7 is a perspective view of the cutting tool shown in FIG. 6 as seen from another direction
  • FIG. 8 is an enlarged view of an area B1 shown in FIG. 7
  • FIG. 7 is a plan view of the cutting tool shown in FIG. 6 as seen from the first end side;
  • FIG. FIG. 10 is a side view of the cutting tool shown in FIG. 9 as viewed from direction A3; It is the side view which looked at the cutting tool shown in FIG. 9 from A4 direction.
  • FIG. FIG. 13 is a cross-sectional view of the XIV cross section in the cutting tool shown in FIG. 12; 15 is an enlarged view of a region B3 shown in FIG. 14;
  • FIG. 7 is an enlarged view of the cutting tool shown in FIG.
  • FIG. 1 is a schematic diagram illustrating a step in the non-limiting method of manufacturing a one-sided machined workpiece of the present disclosure
  • FIG. 1 is a schematic diagram illustrating a step in the non-limiting method of manufacturing a one-sided machined workpiece of the present disclosure
  • FIG. 1 is a schematic diagram illustrating a step in the non-limiting method of manufacturing a one-sided machined workpiece of the present disclosure
  • FIG. 1 is a schematic diagram illustrating a step in the non-limiting method of manufacturing a one-sided machined workpiece of the present disclosure
  • the non-limiting holder 1 of the present disclosure will be described in detail with reference to the drawings.
  • the holder 1 may comprise optional components not shown in the referenced figures.
  • the dimensions of the members in each drawing do not faithfully represent the actual dimensions of the constituent members, the dimensional ratios of the respective members, and the like.
  • the holder 1 may have a main body 3, an insert pocket 5, a chip pocket 7, a coolant hole 9 and a first groove 11, as a non-limiting example shown in FIGS.
  • the main body 3 may be cylindrical.
  • the cylindrical shape may be a substantially cylindrical shape, and does not have to be a cylindrical shape in a strict sense.
  • the main body 3 may also extend along the rotation axis O1 from the first end 3a toward the second end 3b.
  • the first end 3a is called the "leading end” and the second end 3b is called the "rear end”.
  • the main body 3 is rotatable around the rotation axis O1.
  • the arrow Y1 in FIG. 1 and the like may indicate the rotation direction of the rotation axis O1, or may indicate the rotation direction of the main body 3 around the rotation axis O1.
  • the main body 3 is not limited to a specific size.
  • the length of the main body 3 in the direction along the rotation axis O1 may be set to approximately 40 to 100 mm.
  • the width (diameter) of the main body 3 in the direction perpendicular to the rotation axis O1 may be set to approximately 60 to 350 mm.
  • Examples of materials for the main body 3 include steel and cast iron. When the material of the main body 3 is steel, the toughness of the main body 3 is high.
  • the insert pocket 5 may be located on the first end 3a side of the main body 3 and be capable of mounting a cutting insert.
  • the insert pocket 5 may be open on the outer peripheral surface of the main body 3 and the end surface on the side of the first end 3a. Only one insert pocket 5 may be provided, or a plurality of insert pockets may be provided.
  • these insert pockets 5 may be positioned at equal intervals around the rotation axis O1, or may be positioned at unequal intervals. When there are a plurality of insert pockets 5, the number of insert pockets 5 may be 2-20.
  • the chip pocket 7 may be located forward of the insert pocket 5 in the rotation direction Y1 of the rotation axis O1. Moreover, the chip pocket 7 may be opened at the outer peripheral surface of the main body 3 and the end surface on the side of the first end 3a, similarly to the insert pocket 5 .
  • the number of chip pockets 7 may be the same as the number of insert pockets 5 .
  • the chip pocket 7 may be used as a space for the flow of chips generated during cutting of the work material.
  • the coolant hole 9 may be linear, as shown in FIGS. 13 and 14 as a non-limiting example.
  • the coolant hole 9 may also be located inside the body 3 and open towards the chip pocket 7 .
  • the coolant hole 9 may have an opening 13 located inside the body 3 and opening towards the chip pocket 7 .
  • the opening 13 of the coolant hole 9 can function as a discharge port for discharging the coolant. Therefore, when the holder 1 has the coolant hole 9 , the coolant can flow toward the chip pocket 7 through the coolant hole 9 and be discharged from the opening 13 toward the chip pocket 7 .
  • the coolant hole 9 may also open on the opposite side of the chip pocket 7, as in a non-limiting example shown in FIG.
  • the coolant hole 9 may further have an opening 15 opening on the opposite side of the chip pocket 7 .
  • This opening 15 can function as an inlet for allowing coolant to flow into the coolant hole 9 .
  • the position of the opening 15 is not particularly limited.
  • the opening 15 when the main body 3 has a through hole 17 that opens on the end surface on the side of the first end 3a and the end surface on the side of the second end 3b, the opening 15 is positioned on the inner peripheral surface of the through hole 17. good too. That is, the coolant hole 9 may open on the inner peripheral surface of the through hole 17 .
  • the center axis of the through-hole 17 may be an axis passing through the center of the end surface of the main body 3 on the first end 3a side and the center of the end surface on the second end 3b side.
  • the central axis of through hole 17 may coincide with rotation axis O1.
  • An arbor can be attached to the through hole 17 .
  • the opening of the through hole 17 on the end face on the second end 3b side may be closed for the purpose of preventing leakage of coolant.
  • the opening 13 may be called the first opening 13 and the opening 15 may be called the second opening 15 .
  • the number of coolant holes 9 may be the same as the number of chip pockets 7 .
  • the inner diameter W1 of the coolant hole 9 may be set to approximately 2 to 4 mm.
  • the coolant hole 9 may have a circular cross section perpendicular to the central axis O2 of the coolant hole 9 .
  • the cross-sectional shape of the coolant hole 9 is not limited to a circular shape.
  • the coolant may include, for example, water-insoluble oils and water-soluble oils.
  • Water-insoluble fluids may include, for example, cutting fluids such as oil-based, inert extreme-pressure, and active extreme-pressure types.
  • Water-soluble oils may include, for example, cutting oils such as emulsions, solubles and solutions.
  • the coolant is not limited to liquid, and may be gas such as inert gas. The coolant may be appropriately selected and used according to the material of the work material.
  • the first groove 11 opens toward the first end 3a and extends along the central axis O2 of the coolant hole 9 from the opening 13 of the coolant hole 9 toward the chip pocket 7, as in a non-limiting example shown in FIG. may extend along
  • the first groove 11 extends along the coolant hole 9 and the chips. Since it is positioned between the pockets 7, the opening 13 of the coolant hole 9 is less likely to be blocked by chips.
  • the opening 19 in the first groove 11 is the first portion 19a that opens toward the chip pocket 7.
  • a second portion 19b located closer to the opening 13 of the coolant hole 9 than the first portion 19a and opening towards the first end 3a. Therefore, even if the opening 19 (first portion 19a) of the first groove 11 on the side of the chip pocket 7 is blocked by chips, the opening 19 (second portion 19a) of the first groove 11 on the side of the first end 3a The coolant is easily discharged from the portion 19b).
  • the first groove 11 extends along the central axis O2 of the coolant hole 9, the flow of coolant discharged from the opening 13 of the coolant hole 9 is less likely to be obstructed in the first groove 11. Therefore, according to the holder 1, the coolant is easily discharged.
  • the second portion 19b of the opening 19 of the first groove 11 may be connected to the first portion 19a of the opening 19. Also, the second portion 19b may be inclined with respect to the first portion 19a.
  • a virtual straight line extending the central axis O2 toward the outer circumference of the main body 3 may be the first virtual straight line L1.
  • the first imaginary straight line L1 intersects the insert pocket 5 when the insert pocket 5 is viewed from the front in the rotation direction Y1, and the non-limiting example shown in FIG. , it may be located forward of the insert pocket 5 in the rotational direction Y1 when the insert pocket 5 is viewed from the first end 3a side.
  • the portion where the first imaginary straight line L1 intersects the insert pocket 5 is surrounded by a dashed line L1a.
  • the insert pocket 5 When the insert pocket 5 is viewed from the front in the rotation direction Y1 and the first imaginary straight line L1 intersects the insert pocket 5, the rake face of the cutting insert is easily cooled by the coolant.
  • the insert pocket 5 When the insert pocket 5 is viewed from the first end 3a side and the first imaginary straight line L1 is located forward of the insert pocket 5 in the rotation direction Y1, chips are removed from the chip pocket 7 by the coolant. easily expelled.
  • the cross-sectional area of the first groove 11 in the cross section perpendicular to the central axis O2 may be the same as or different from the cross-sectional area of the coolant hole 9 in the cross section perpendicular to the central axis O2.
  • the cross-sectional area of the first groove 11 may be larger than the cross-sectional area of the coolant hole 9 . In this case, the first groove 11 is less likely to be clogged with chips, and the coolant can be discharged satisfactorily.
  • the cross-sectional area of the coolant hole 9 may be constant. Also, the cross-sectional area of the first groove 11 may be evaluated by the maximum value of the cross-sectional area of the first groove 11 .
  • the cross section of the first groove 11 including the second portion 19b may have the maximum cross-sectional area of the first groove 11 .
  • the areas of both when viewed from above can be compared.
  • the above configuration may be evaluated.
  • the cross-sectional area of the first groove 11 may be replaced with the area of the first groove 11 in plan view.
  • the area of the opening 13 of the coolant hole 9 in plan view may be replaced with the cross-sectional area of the coolant hole 9 .
  • FIG. 8 for evaluation of the areas of the first groove 11 and the opening 13, Added different hatching to each other.
  • the width W2 of the first groove 11 may be the same as the inner diameter W1 of the coolant hole 9, or may be different.
  • the width W2 of the first groove 11 may be larger than the inner diameter W1 of the coolant hole 9, as in a non-limiting example shown in FIG. In this case, the first groove 11 is less likely to be clogged with chips, and the coolant can be discharged satisfactorily.
  • the inner diameter W1 may be constant.
  • the width W2 may mean the dimension of the first groove 11 in the direction perpendicular to the central axis O2 when the first groove 11 is viewed from the first end 3a side. Moreover, the width W2 may be evaluated by the maximum value of the width W2.
  • the first groove 11 may have the maximum width W2 at the second portion 19b.
  • the depth D1 of the first groove 11 may be the same as the inner diameter W1 of the coolant hole 9, or may be different.
  • the depth D1 of the first groove 11 may be greater than the inner diameter W1 of the coolant hole 9 . In this case, the first groove 11 is less likely to be clogged with chips, and the coolant can be discharged satisfactorily.
  • the depth D1 may mean the dimension of the first groove 11 in the direction orthogonal to the central axis O2 in the cross section of the first groove 11 along the rotation axis O1. Also, the depth D1 may be evaluated by the maximum value of the depth D1. A portion of the first groove 11 including the second portion 19b may have the maximum value of the depth D1.
  • the insert pocket 5 may have a flat seat surface 21 facing forward in the direction of rotation Y1, as in a non-limiting example shown in FIGS.
  • the seat surface 21 can abut (contact) the cutting insert when the cutting insert is attached to the holder 1 .
  • flat does not have to be flat in the strict sense.
  • the seat surface 21 may be substantially flat, and may be slightly curved or have slight unevenness to such an extent that it cannot be seen when the holder 1 is viewed as a whole.
  • the seat surface 21 may have slight unevenness on the order of several tens of ⁇ m.
  • the radial rake ⁇ 1 of the bearing surface 21 may be the same as or different from the radial rake ⁇ 2 of the central axis O2.
  • the radial rake ⁇ 1 of the seat surface 21 may be smaller than the radial rake ⁇ 2 of the central axis O2. In this case, chips are more easily discharged from the chip pocket 7 by the coolant.
  • a radial rake may mean an inclination angle with respect to the radial direction of the rotation axis O1 when viewed from the side of the first end 3a.
  • the radial rake ⁇ 1 of the point 21A on the bearing surface 21 is the angle between the imaginary line passing through the rotation axis O1 and the point 21A and the tangent line of the bearing surface 21 at the point 21A.
  • the radial rake ⁇ 2 of the point O2A on the central axis O2 may mean the angle at which the central axis O2 intersects with an imaginary straight line passing through the rotation axis O1 and the point O2A.
  • the radial rake ⁇ 1 of the bearing surface 21 and the radial rake ⁇ 2 of the central axis O2 are not limited to specific values.
  • the radial rake ⁇ 1 may be set to approximately ⁇ 20° to 0°.
  • the radial rake ⁇ 2 may be set to about ⁇ 30 to 0°.
  • the magnitude relationship between the radial rake ⁇ 1 and the radial rake ⁇ 2 may be evaluated using absolute values.
  • the absolute values can be compared to evaluate that the radial rake ⁇ 1 is smaller than the radial rake ⁇ 2.
  • the holder 1 may further have a second groove 23 as a non-limiting example shown in FIG.
  • the second groove 23 may be located between the first groove 11 and the chip pocket 7 and extend along the central axis O2. If the holder 1 does not have the second groove 23, the intersection ridgeline between the first groove 11 and the chip pocket 7 tends to be sharp, and chips may be caught. However, when the holder 1 has the second grooves 23 configured as described above, it is possible to suppress biting of chips.
  • the width W3 of the second groove 23 may be the same as the width W2 of the first groove 11, or may be different.
  • the width W3 of the second groove 23 may be greater than the width W2 of the first groove 11, as in a non-limiting example shown in FIG. In this case, biting of chips can be suppressed.
  • width W3 may be defined similarly to the width W2. Moreover, the width W3 may be evaluated by the maximum value of the width W3.
  • the second groove 23 may have the maximum width W3 at the center in the direction along the central axis O2.
  • the second groove 23 may be separated from the insert pocket 5 or may be connected to the insert pocket 5.
  • the insert pocket 5 may have a restraining surface 25 .
  • Constraint surface 25 can function as a surface that constrains the cutting insert.
  • the restraint surface 25 may be positioned forward of the seat surface 21 in the rotational direction Y1.
  • the second groove 23 may be connected to the chip pocket 7. Also, the second groove 23 may be connected to the first groove 11 .
  • the opening 19 (first portion 19 a ) of the first groove 11 on the chip pocket 7 side may be connected to the second groove 23 .
  • the cutting tool 101 may have a holder 1 and a cutting insert 103, as non-limiting examples shown in FIGS.
  • a cutting insert 103 is located in the insert pocket 5 of the holder 1 and may have a cutting edge 105 .
  • the cutting insert 103 can be used for cutting a work material in a cutting process. Note that the cutting insert 103 may simply be called the insert 103 .
  • the cutting tool 101 When the cutting tool 101 has the holder 1, excellent cutting performance can be exhibited because the coolant is easily discharged. Further, the cutting tool 101 can perform cutting by bringing the cutting edge 105 of the insert 103 into contact with the work material.
  • the first imaginary straight line L1 may intersect the cutting edge 105 when the insert pocket 5 is viewed from the front in the rotational direction Y1, as in a non-limiting example shown in FIG. In this case, the cutting edge 105 can be effectively cooled.
  • the first imaginary straight line L1 intersects the major cutting edge 107 when the insert pocket 5 is viewed from the front in the rotation direction Y1.
  • the cutting edge 105 may have a major cutting edge 107.
  • the main cutting edge 107 may have a linear shape that approaches the first end 3a as it approaches the rotation axis O1.
  • the major cutting edge 107 may have a major role in cutting the work material.
  • At least a portion of the first groove 11 extends in a direction orthogonal to the major cutting edge 107 when the insert pocket 5 is viewed from the front in the rotational direction Y1, as in a non-limiting example shown in FIG. may be positioned closer to the first end 3a than the stretched region S1.
  • the area S1 is hatched in the non-limiting example shown in FIG.
  • a portion located closer to the first end 3a than the region S1 is surrounded by a dashed line 11a.
  • the insert pocket 5 When the insert pocket 5 is viewed from the front in the rotation direction Y1, at least a portion of the first groove 11 (the portion surrounded by the dashed line 11a) is positioned closer to the first end 3a than the region S1. , the discharge of coolant is less likely to be hindered by chips, and the coolant can be supplied closer to the cutting point.
  • the cutting tool 101 may be used for milling.
  • the insert 103 may also be located within the insert pocket 5 .
  • the insert 103 may be mounted in the insert pocket 5 such that at least part of the cutting edge 105 protrudes from the holder 1 . If the holder 1 has multiple insert pockets 5 , the cutting tool 101 may have multiple inserts 103 , and one insert 103 may be positioned in each insert pocket 5 .
  • the insert 103 may have a polygonal plate shape.
  • the insert 103 may also have through holes 109, as in one non-limiting example shown in FIGS.
  • the cutting tool 101 may have a fixing member 111 .
  • the fixing member 111 may be a member for fixing the insert 103 to the holder 1 .
  • the fixing member 111 may be a screw, as a non-limiting example shown in FIGS. Note that the fixing member 111 is not limited to a screw, and may be a clamp member or the like, for example.
  • the main cutting edge 107 may constitute one side of the upper surface (rake face) of the insert 103 having a polygonal plate shape.
  • the length of one side of the upper surface of the insert 103 may correspond to the length of the major cutting edge 107 .
  • the holder 1 may have a screw hole 27 at a position corresponding to the through hole 109 in the insert pocket 5, as shown in FIGS. 4 and 5 as a non-limiting example.
  • the screw hole 27 may open in the seat surface 21 .
  • the insert 103 can be fixed to the holder 1 by inserting the screw as the fixing member 111 into the through hole 109 of the insert 103 and fixing the screw to the screw hole 27 of the holder 1 .
  • Examples of materials for the insert 103 include cemented carbide and cermet.
  • Cemented carbide compositions may include, for example, WC-Co, WC-TiC-Co and WC-TiC-TaC-Co.
  • WC, TiC and TaC may be hard particles and Co may be the binder phase.
  • the cermet may be a sintered composite material in which a metal is combined with a ceramic component.
  • An example of a cermet may be a titanium compound based on titanium carbide (TiC) or titanium nitride (TiN).
  • TiC titanium carbide
  • TiN titanium nitride
  • the material of the insert 103 is not limited to the above composition.
  • the surface of the insert 103 may be coated with a coating using chemical vapor deposition (CVD) or physical vapor deposition (PVD) methods.
  • the composition of the coating may include, for example, titanium carbide (TiC), titanium nitride (TiN), titanium carbonitride ( TiCN ), and alumina ( Al2O3 ).
  • the width W2 and/or the depth D1 of the first groove 11 in the holder 1 is greater than the length of the main cutting edge 107 (the length of one side of the upper surface of the insert 103). may be smaller. In this case, chips generated by the main cutting edge 107 are less likely to enter the first groove 11 .
  • the width W2 and/or depth D1 of the first groove 11 is less than half the length of the main cutting edge 107 (the length of one side of the upper surface of the insert 103), various cutting depths can be achieved. In contrast, entry of chips into the first groove 11 can be suppressed.
  • the cutting workpiece 201 may be produced by cutting a workpiece 203 .
  • the method for manufacturing the cut workpiece 201 may include the following steps. i.e. (1) a step of rotating the cutting tool 101 represented by the above non-limiting embodiment along the rotation axis O1 of the holder 1; (2) bringing the cutting edge 105 of the insert 103 into contact with the work material 203; (3) separating the cutting tool 101 from the work material 203; may have
  • the cutting edge 105 of the insert 103 may be brought into contact with the work piece 203 to cut the work piece 203 . Then, as in a non-limiting example shown in FIG. 19, the cutting tool 101 may be kept relatively away from the work material 203 .
  • the work material 203 is fixed and the cutting tool 101 is moved in each process, but it is of course not limited to such a form.
  • step (1) the work material 203 may be brought closer to the cutting tool 101 .
  • step (3) the work material 203 may be kept away from the cutting tool 101 .
  • the process of keeping the cutting tool 101 rotated and bringing the cutting edge 105 of the insert 103 into contact with a different portion of the workpiece 203 may be repeated.
  • Examples of materials for the work material 203 include carbon steel, alloy steel, stainless steel, cast iron, and non-ferrous metals.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
PCT/JP2022/040943 2021-11-18 2022-11-02 ホルダ、切削工具及び切削加工物の製造方法 Ceased WO2023090153A1 (ja)

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Citations (6)

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JP2016068172A (ja) * 2014-09-29 2016-05-09 京セラ株式会社 ホルダ、切削工具及び切削加工物の製造方法
JP2016172304A (ja) * 2015-03-18 2016-09-29 三菱マテリアル株式会社 スカルピングカッタ
JP2019141944A (ja) * 2018-02-19 2019-08-29 三菱マテリアル株式会社 切削インサートおよび切削インサートのネジ止め構造
US20200230716A1 (en) * 2019-01-17 2020-07-23 Kennametal Inc. Coolant bonnet for a cutting tool
JP2021160043A (ja) * 2020-03-31 2021-10-11 三菱マテリアル株式会社 刃先交換式切削工具および工具本体

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008023632A (ja) * 2006-07-19 2008-02-07 Mitsubishi Materials Corp 切削工具及びインサート
JP2016068172A (ja) * 2014-09-29 2016-05-09 京セラ株式会社 ホルダ、切削工具及び切削加工物の製造方法
JP2016172304A (ja) * 2015-03-18 2016-09-29 三菱マテリアル株式会社 スカルピングカッタ
JP2019141944A (ja) * 2018-02-19 2019-08-29 三菱マテリアル株式会社 切削インサートおよび切削インサートのネジ止め構造
US20200230716A1 (en) * 2019-01-17 2020-07-23 Kennametal Inc. Coolant bonnet for a cutting tool
JP2021160043A (ja) * 2020-03-31 2021-10-11 三菱マテリアル株式会社 刃先交換式切削工具および工具本体

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