WO2022085760A1 - 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
WO2022085760A1
WO2022085760A1 PCT/JP2021/038920 JP2021038920W WO2022085760A1 WO 2022085760 A1 WO2022085760 A1 WO 2022085760A1 JP 2021038920 W JP2021038920 W JP 2021038920W WO 2022085760 A1 WO2022085760 A1 WO 2022085760A1
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WO
WIPO (PCT)
Prior art keywords
coolant hole
opening
holder
sub
width
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/JP2021/038920
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English (en)
French (fr)
Japanese (ja)
Inventor
佳祐 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
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 Kyocera Corp filed Critical Kyocera Corp
Priority to JP2022557604A priority Critical patent/JP7520997B2/ja
Priority to US18/249,737 priority patent/US20230381869A1/en
Priority to CN202180070241.1A priority patent/CN116348226A/zh
Priority to DE112021005572.0T priority patent/DE112021005572T5/de
Publication of WO2022085760A1 publication Critical patent/WO2022085760A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B23B27/1603—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with specially shaped plate-like exchangeable cutting inserts, e.g. chip-breaking groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
    • 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
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • 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
    • B23B27/04—Cutting-off tools
    • 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
    • B23B29/04—Tool holders for a single cutting tool
    • B23B29/043—Tool holders for a single cutting tool with cutting-off, grooving or profile cutting tools, i.e. blade- or disc-like main cutting parts

Definitions

  • the present disclosure generally relates to a holder, a cutting tool, and a method for manufacturing a work piece used for cutting a work material. More specifically, it relates to a cutting tool used for turning. Examples of the turning process include inner diameter processing, outer diameter processing, grooving processing, parting off processing, end face processing, and the like.
  • Patent Document 1 As a cutting tool used when cutting a work material such as metal, for example, the cutting tool described in Japanese Patent Application Laid-Open No. 2019-025603 (Patent Document 1) is known.
  • the cutting tool described in Patent Document 1 has a tool body (holder) in the shape of a quadrangular prism.
  • the holder has a fluid flow path located inside and a fluid supply port located on the side surface, and is attached to the tool post.
  • the turret has an opening in the flow path through which the fluid flows.
  • the fluid supply port of the holder is connected to the opening of the turret.
  • the amount of protrusion of the cutting tool from the tool post may change depending on the processing conditions. It is required that the fluid can be stably supplied to the holder even if the protrusion amount changes. In other words, it is required to have a high degree of freedom in setting the protrusion amount while supplying the fluid to the holder.
  • the one-sided holder of the present disclosure is not limited, and has a rod shape extending from the first end to the second end along the central axis.
  • the holder is opened and cut with respect to the first end surface located at the first end, the first side surface extending from the first end surface toward the second end, the first end surface and the first side surface.
  • a pocket to which an insert can be attached, a main coolant hole extending from the first end side toward the second end side, a first subcoolant hole connected to the main coolant hole, and the first sub It has a second secondary coolant hole located closer to the second end than the coolant hole and connected to the main coolant hole.
  • the first secondary coolant hole has a first opening that opens on the first side surface.
  • the second secondary coolant hole has a second opening that opens on the first side surface.
  • the width of the first opening in the direction along the central axis is smaller than the width of the second opening in the direction along the central axis.
  • FIG. 3 is a plan view of the holder shown in FIG. 2 as viewed from the A1 direction (first side surface).
  • FIG. 3 is a perspective view of the holder shown in FIG.
  • FIG. 3 is a plan view of the holder shown in FIG. 2 as viewed from the A2 direction (upper surface).
  • FIG. 5 is a perspective view of the holder shown in FIG.
  • FIG. 3 is a plan view of the holder shown in FIG. 2 as viewed from the A3 direction (second side surface).
  • FIG. 7 is a perspective view of the holder shown in FIG. 7.
  • the one-sided holder 1 without limitation of the present disclosure will be described in detail with reference to the drawings.
  • the holder 1 for a cutting tool may include any component not shown in each of the referenced figures.
  • the dimensions of the members in each drawing do not faithfully represent the dimensions of the actual constituent members and the dimensional ratio of each member.
  • the holder 1 may have a rod shape extending from the first end 1a to the second end 1b along the central axis O1 as in the case of the unrestricted example shown in FIGS. 1 to 12.
  • the first end 1a is called the "tip” and the second end 1b is called the "rear end”.
  • the holder 1 may have a polygonal prism shape, for example.
  • the holder 1 may have a quadrangular prism shape as in the case of the non-limiting example shown in FIG.
  • the polygonal pillar shape does not have to be a strictly polygonal pillar shape, and may include some irregularities and curves.
  • the size of the holder 1 may be appropriately set according to the size of the work material.
  • the length of the holder 1 in the direction along the central axis O1 may be set to about 60 mm or more and 500 mm or less.
  • the width (diameter) of the holder 1 in the direction orthogonal to the central axis O1 may be set to about 6 mm or more and 250 mm or less.
  • the material of the holder 1 may be steel, cast iron, aluminum alloy, or the like.
  • the holder 1 may have a shank 3 and a head 5.
  • the shank 3 can be gripped by the tool post in the machine tool.
  • the head 5 may be located on the side of the first end 1a with respect to the shank 3. The head 5 can fix the cutting insert.
  • the holder 1 may have a first end surface 7, a first side surface 9, and a pocket 11.
  • the first end surface 7 may be located at the first end 1a.
  • the first side surface 9 may extend from the first end surface 7 toward the second end 1b.
  • the pocket 11 may be opened with respect to the first end surface 7 and the first side surface 9.
  • the pocket 11 can be fitted with a cutting insert.
  • the pocket 11 may be located at the head 5.
  • the holder 1 may have a main coolant hole 13, a first sub-coolant hole 15, and a second sub-coolant hole 17.
  • Each coolant hole is capable of flowing a fluid (cooling fluid).
  • the fluid flowing through each coolant hole is commonly referred to as "coolant".
  • the coolant include water-insoluble oils and water-soluble oils.
  • the water-insoluble oil agent include cutting oils such as oil-based type, inert extreme pressure type and active extreme pressure type.
  • Water-soluble oils may include, for example, cutting oils such as emulsions, solutions and solutions.
  • the coolant is not limited to a liquid and may be a gas such as an inert gas. The coolant may be appropriately selected and used according to the material of the work material.
  • the main coolant hole 13 may extend from the side of the first end 1a toward the side of the second end 1b.
  • the first sub-coolant hole 15 may be connected to the main coolant hole 13.
  • the second sub-coolant hole 17 may be located closer to the second end 1b than the first sub-coolant hole 15, or may be connected to the main coolant hole 13.
  • the first secondary coolant hole 15 may have a first opening 19.
  • the first opening 19 may be opened on the first side surface 9.
  • the first opening 19 may be opened on the first side surface 9 of the shank 3.
  • the second secondary coolant hole 17 may have a second opening 21.
  • the second opening 21 may be opened on the first side surface 9.
  • the second opening 21 may be opened on the first side surface 9 of the shank 3.
  • the first opening 19 and the second opening 21 can be connected to the opening of the flow path in the tool post. Further, the first opening 19 and the second opening 21 can also function as an inflow port for flowing a fluid into the inside of the first sub-coolant hole 15 and the second sub-coolant hole 17. Therefore, when the first sub-coolant hole 15 has the first opening 19 and the second sub-coolant hole 17 has the second opening 21, the fluid supplied from the inside of the tool post is referred to the first opening 19 or It is possible to flow into the inside of the main coolant hole 13 through the second opening 21. Further, it is possible to select whether to use the first opening 19 or the second opening 21 according to the processing conditions.
  • the unused openings may be closed with a sealing member so that the fluid does not leak.
  • the sealing member may include solder, resin, screw member and the like. This point is the same for other openings.
  • the width W1 of the first opening 19 in the direction along the central axis O1 may be the same as or different from the width W2 of the second opening 21 in the direction along the central axis O1.
  • the width W1 may be smaller than the width W2, as in the unrestricted example shown in FIG.
  • the width W2 may be larger than the width W1.
  • the second opening 21 is used as the inflow port of the fluid, the fluid can be stably flowed into the second opening 21 even if the protrusion amount of the holder 1 changes with the width W2. That is, the degree of freedom in the amount of protrusion of the holder 1 is high.
  • the first opening 19 may be located closer to the first end 1a than the tool post.
  • the protrusion amount is increased so that the first opening 19 is located closer to the first end 1a than the tool post. It is difficult to prevent fluid leakage in the second opening 21.
  • the second opening 19 is second. Leakage of fluid at the opening 21 can be prevented.
  • the protrusion amount is increased so that the first opening 19 is located closer to the first end 1a than the tool post, the durability of the holder 1 in the first opening 19 may decrease.
  • the width W1 is smaller than the width W2
  • the portion where the durability of the holder 1 is lowered is reduced. Therefore, the decrease in durability of the holder 1 can be suppressed.
  • the holder 1 Even if some positional deviation occurs when the holder is attached to the tool post, it is difficult for a portion where the cross-sectional area of the flow path is narrowed to occur in the first secondary coolant hole 15, and the coolant can be easily supplied stably. Therefore, according to the holder 1, there is a high degree of freedom in setting the protrusion amount while supplying the fluid to the holder 1.
  • the width W2 of the second opening 21 in the direction along the central axis O1 may be the same as or different from the distance W3 between the first opening 19 and the second opening 21.
  • the width W2 may be larger than the spacing W3, as in the unrestricted example shown in FIG. In this case, there is a high degree of freedom in the amount of protrusion when the second opening 21 is used as the inflow port of the fluid.
  • the width W1 of the first opening 19 in the direction along the central axis O1 may be the same as or different from the distance W3 between the first opening 19 and the second opening 21.
  • the width W1 may be smaller than the spacing W3, as in the unrestricted example shown in FIG.
  • the interval W3 may be larger than the width W1.
  • the width W1 of the first opening 19, the width W2 of the second opening 21, and the distance W3 between the first opening 19 and the second opening 21 are not limited to specific values.
  • the width W1 may be set to about 2 to 20 mm.
  • the width W2 may be set to about 2 to 20 mm.
  • the interval W3 may be set to about 1 to 25 mm.
  • the holder 1 may further have an upper surface 23 and a lower surface 25.
  • the upper surface 23 may extend from the first end surface 7 toward the second end 1b and may be connected to the first side surface 9.
  • the lower surface 25 may be located on the opposite side of the upper surface 23 and may be connected to the first side surface 9.
  • the upper surface 23 and the lower surface 25 are expressions for convenience and do not indicate the upward and downward directions. For example, the top surface 23 does not have to face upward when using the holder 1.
  • the width H1 of the first opening 19 in the vertical direction from the upper surface 23 to the lower surface 25 may be the same as or different from the width H2 of the second opening 21 in the vertical direction.
  • the width H1 may be smaller than the width H2, as in the unrestricted example shown in FIG.
  • the width H2 may be larger than the width H1.
  • the degree of freedom in the position of the fluid outlet with respect to the second opening 21 in the tool post is high.
  • the width H1 is smaller than the width H2
  • the deterioration of the durability of the holder 1 can be suppressed even when the first opening 19 is located closer to the first end 1a than the tool post.
  • the width H1 of the first opening 19 in the vertical direction may be the same as or different from the width H3 of the main coolant hole 13 in the vertical direction.
  • the width H1 may be larger than the width H3, as in the unrestricted example shown in FIG. In this case, even if some misalignment occurs when the holder is attached to the tool post, it is difficult for a portion of the first secondary coolant hole 15 where the cross-sectional area of the flow path is narrowed to occur, and the coolant is stably supplied. Easy to do.
  • the width H1 of the first opening 19, the width H2 of the second opening 21, and the width H3 of the main coolant hole 13 are not limited to specific values.
  • the width H1 may be set to about 2 to 24 mm.
  • the width H2 may be set to about 2 to 24 mm.
  • the width H3 may be set to about 2 to 20 mm.
  • the holder 1 may further have a second side surface 27 and a third secondary coolant hole 29.
  • the second side surface 27 may be located on the opposite side of the first side surface 9.
  • the third secondary coolant hole 29 may be opened on the second side surface 27.
  • the third secondary coolant hole 29 may have a third opening 31 that opens on the second side surface 27.
  • the third secondary coolant hole 29 may be opened on the second side surface 27 of the shank 3.
  • the third sub-coolant hole 29 may be connected to the main coolant hole 13.
  • the third opening 31 of the third secondary coolant hole 29 is located outside the tool post and can be connected to a hose that supplies fluid.
  • the third opening 31 can function as a connection port for connecting to a hose.
  • the third opening 31 can also function as an inflow port for flowing a fluid into the inside of the third secondary coolant hole 29. Therefore, when the holder 1 has the third auxiliary coolant hole 29, the fluid supplied from the outside of the tool post can flow into the inside of the main coolant hole 13 through the third opening 31.
  • the length L1 of the first sub-coolant hole 15 may be the same as or different from the length L2 of the second sub-coolant hole 17.
  • the inner diameter D1 of the first sub-coolant hole 15 may be the same as or different from the inner diameter D2 of the second sub-coolant hole 17.
  • the length L1 may be the same as the length L2
  • the inner diameter D1 may be the same as the inner diameter D2.
  • the magnitude relationship of the inner diameter may be evaluated by comparing the minimum values of the inner diameter.
  • the length L1 of the first secondary coolant hole 15 may be the same as or different from the length L3 of the third secondary coolant hole 29.
  • the inner diameter D1 of the first sub-coolant hole 15 may be the same as or different from the inner diameter D3 of the third sub-coolant hole 29.
  • the length L1 may be shorter than the length L3, and the inner diameter D1 may be smaller than the inner diameter D3.
  • the inner diameter D3 is larger than the inner diameter D1
  • the flow path loss in the third sub-coolant hole 29 tends to be smaller than that in the first sub-coolant hole 15.
  • the length L1 is shorter than the length L3
  • the flow path loss in the first secondary coolant hole 15 tends to be smaller than that in the third secondary coolant hole 29. Therefore, when the length L1 is shorter than the length L3 and the inner diameter D1 is smaller than the inner diameter D3, the variation in the flow path loss in the first sub-coolant hole 15 and the third sub-coolant hole 29 is small.
  • the length L1 of the first sub-coolant hole 15, the length L2 of the second sub-coolant hole 17, and the length L3 of the third sub-coolant hole 29 are not limited to specific values.
  • the length L1 may be set to about 0.8 to 31 mm.
  • the length L2 may be set to about 0.8 to 31 mm.
  • the length L3 may be set to about 2 to 33 mm.
  • the inner diameter D1 of the first sub-coolant hole 15, the inner diameter D2 of the second sub-coolant hole 17, and the inner diameter D3 of the third sub-coolant hole 29 are not limited to specific values.
  • the inner diameter D1 may be set to about 1.6 to 23 mm.
  • the inner diameter D2 may be set to about 1.6 to 23 mm.
  • the inner diameter D3 may be set to about 6 to 18 mm.
  • the holder 1 may further have a fourth secondary coolant hole 33.
  • the fourth sub-coolant hole 33 may be located closer to the second end 1b than the third sub-coolant hole 29.
  • the fourth subcoolant hole 33 may be opened on the second side surface 27.
  • the fourth subcoolant hole 33 may have a fourth opening 35 that opens on the second side surface 27.
  • the fourth subcoolant hole 33 may be opened on the second side surface 27 of the shank 3.
  • the fourth sub-coolant hole 33 may be connected to the main coolant hole 13.
  • the fourth opening 35 of the fourth subcoolant hole 33 can be connected to a hose.
  • the holder 1 may further have a second end surface 37 and a fifth auxiliary coolant hole 39.
  • the second end surface 37 may be located at the second end 1b.
  • the fifth auxiliary coolant hole 39 may be opened in the second end surface 37.
  • the fifth subcoolant hole 39 may have a fifth opening 41 that opens at the second end surface 37.
  • the fifth auxiliary coolant hole 39 may be connected to the main coolant hole 13.
  • the fifth opening 41 of the fifth subcoolant hole 39 can be connected to a hose.
  • Each coolant hole may be formed by drilling, for example, using a drill or the like.
  • Each coolant hole may have, for example, a circular shape, an elliptical shape, a polygonal shape, or the like in a cross section orthogonal to the flow direction of the fluid.
  • the holder 1 may have a flow path 43 located closer to the first end 1a than the first secondary coolant hole 15 and connected to the main coolant hole 13.
  • the flow path 43 may have an outlet 45 that opens on the side of the first end 1a.
  • the outlet 45 may be opened at the head 5.
  • the outlet 45 can function as a site for the fluid to flow out toward the first end 1a.
  • the position of the outlet 45 is not limited to a specific place.
  • the number of outlets 45 may be one or may be plural.
  • the flow path 43 may be formed by drilling, for example, using a drill or the like.
  • the portion of the hole formed by the hole processing that does not function as the flow path 43 may be closed with a sealing member so that the fluid does not leak.
  • the one-sided holder 1A without limitation of the present disclosure will be described with reference to FIG.
  • the differences between the holder 1A and the holder 1 will be mainly described, and detailed description of the points having the same configuration as the holder 1 may be omitted. This point is the same for the holder 1B described later.
  • the width W1 of the first opening 19 in the direction along the central axis O1 may be larger than the distance W3 between the first opening 19 and the second opening 21, as in the unrestricted example shown in FIG. .. In this case, there is a high degree of freedom in the amount of protrusion of the holder 1 when the second opening 21 is used as the inflow port of the fluid.
  • the length L1 of the first secondary coolant hole 15 may be longer than the length L3 of the third secondary coolant hole 29, and the first secondary coolant may be longer than the length L3 of the third secondary coolant hole 29, as in the case of the non-limiting example shown in FIG.
  • the inner diameter D1 of the hole 15 may be smaller than the inner diameter D3 of the third secondary coolant hole 29.
  • the pocket 11 is open to the first end surface 7 and the first side surface 9 as described above, and a cutting insert can be attached to the pocket 11. Therefore, the cutting load generated during cutting tends to be larger on the side of the first side surface 9 than on the side of the second side surface 27.
  • the length L1 of the first secondary coolant hole 15 is longer than the length L3 of the third secondary coolant hole 29, the durability on the side of the first side surface 9 is high. Therefore, the durability of the holder 1B as a whole can be increased.
  • the cutting tool 101 includes a holder 1 and a cutting insert 103 (hereinafter, may be referred to as “insert 103”) located in the pocket 11 of the holder 1, as in the case of the unrestricted example shown in FIGS. 1 to 12. You may have.
  • insert 103 a cutting insert located in the pocket 11 of the holder 1, as in the case of the unrestricted example shown in FIGS. 1 to 12. You may have.
  • the cutting tool 101 has the holder 1, it is possible to exhibit excellent cutting performance because the degree of freedom in setting the protrusion amount is high while supplying the fluid to the holder 1.
  • the insert 103 may have a polygonal plate shape as in the non-limiting example shown in FIG. Further, the insert 103 may have a cutting edge 105. The insert 103 may be located in the pocket 11 so that the cutting edge 105 projects outward on the side of the first end 1a of the holder 1. The cutting tool 101 can perform cutting by bringing the cutting edge 105 into contact with the work material.
  • the insert 103 may further have a through hole 107. Further, the cutting tool 101 may further have a fixing member 109.
  • the fixing member 109 may be a member for fixing the insert 103 to the holder 1.
  • the fixing member 109 may be a screw.
  • the fixing member 109 is not limited to the screw, and may be, for example, a clamp member or the like.
  • the holder 1 may have a screw hole 111 at a position corresponding to the through hole 107 in the pocket 11.
  • the insert 103 can be fixed to the holder 1 by inserting a screw, which is a fixing member 109, into the through hole 107 of the insert 103 and fixing the screw to the screw hole 111 of the holder 1.
  • the through hole 107 and the screw hole 111 may extend in a direction orthogonal to the central axis O1.
  • Examples of the material of the insert 103 include cemented carbide and cermet.
  • Examples of the composition of the cemented carbide include WC-Co, WC-TiC-Co and WC-TiC-TaC-Co.
  • WC, TiC and TaC may be hard particles, and Co may be a bonded phase.
  • the cermet may be a sintered composite material in which a metal is composited with a ceramic component.
  • a titanium compound containing titanium carbide (TiC) or titanium nitride (TiN) as a main component may be mentioned.
  • the material of the insert 103 is not limited to the above composition.
  • the cutting tool 101 has the holder 1, but the cutting tool 101 is not limited to such a form.
  • the cutting tool 101 may have a holder 1A or a holder 1B.
  • the work piece 203 may be manufactured by cutting the work material 201.
  • the method for manufacturing the machined product 203 may include the following steps. That is, (1) The process of rotating the work material 201 and (2) The process of bringing the cutting tool 101 into contact with the rotating work material 201, (3) The process of separating the cutting tool 101 from the work material 201, May be provided.
  • the work material 201 may be rotated around the shaft O2, and the cutting tool 101 may be relatively close to the work material 201.
  • the cutting edge 105 of the insert 103 in the cutting tool 101 may be brought into contact with the work material 201 to cut the work material 201.
  • the cutting tool 101 may be relatively far from the work material 201.
  • the cutting tool 101 When a cutting tool 101 having a holder 1 is used in the manufacturing method of the machined object 203, the cutting tool 101 has a high degree of freedom in setting the protrusion amount while supplying the fluid to the holder 1, so that the machine is machined with excellent machining accuracy.
  • the material 201 can be cut. As a result, it becomes possible to obtain a machined product 203 having a machined surface with high accuracy.
  • the work material 201 is fixed and the cutting tool 101 is moved in each process, but the form is not limited to such a form as a matter of course.
  • the work material 201 may be brought closer to the cutting tool 101.
  • the work material 201 may be moved away from the cutting tool 101.
  • the process of keeping the work material 201 rotated and bringing the cutting edge 105 of the insert 103 into contact with different parts of the work material 201 may be repeated.
  • Examples of the material of the work material 201 include carbon steel, alloy steel, stainless steel, cast iron, non-ferrous metal and the like.
  • the cutting tool 101 having the holder 1 is used, but the present invention is not limited to such a form.
  • a cutting tool 101 having a holder 1A or a holder 1B may be used.
  • Cutting insert (insert) 105 ... Cutting edge 107 ... Through hole 109 ... Fixing member (screw) 111 ... Screw hole 201 ... Work material 203 ... Machined work O1 ... Central axis O2 ... Shaft

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
PCT/JP2021/038920 2020-10-22 2021-10-21 ホルダ、切削工具及び切削加工物の製造方法 Ceased WO2022085760A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2022557604A JP7520997B2 (ja) 2020-10-22 2021-10-21 ホルダ、切削工具及び切削加工物の製造方法
US18/249,737 US20230381869A1 (en) 2020-10-22 2021-10-21 Holder, cutting tool, and method for manufacturing machined product
CN202180070241.1A CN116348226A (zh) 2020-10-22 2021-10-21 刀架、切削刀具以及切削加工物的制造方法
DE112021005572.0T DE112021005572T5 (de) 2020-10-22 2021-10-21 Halter, schneidwerkzeug und verfahren zur herstellung eines maschinell bearbeiteten produkts

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Application Number Priority Date Filing Date Title
JP2020-177172 2020-10-22
JP2020177172 2020-10-22

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WO2022085760A1 true WO2022085760A1 (ja) 2022-04-28

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US (1) US20230381869A1 (https=)
JP (1) JP7520997B2 (https=)
CN (1) CN116348226A (https=)
DE (1) DE112021005572T5 (https=)
WO (1) WO2022085760A1 (https=)

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