WO2020179538A1 - Outil de coupe et procédé de production d'une pièce découpée - Google Patents

Outil de coupe et procédé de production d'une pièce découpée Download PDF

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Publication number
WO2020179538A1
WO2020179538A1 PCT/JP2020/007407 JP2020007407W WO2020179538A1 WO 2020179538 A1 WO2020179538 A1 WO 2020179538A1 JP 2020007407 W JP2020007407 W JP 2020007407W WO 2020179538 A1 WO2020179538 A1 WO 2020179538A1
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WO
WIPO (PCT)
Prior art keywords
screw
insert
turning tool
hole
central axis
Prior art date
Application number
PCT/JP2020/007407
Other languages
English (en)
Japanese (ja)
Inventor
石田　琢也
貴浩 高森
翔生 呉藤
Original Assignee
京セラ株式会社
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 京セラ株式会社 filed Critical 京セラ株式会社
Priority to CN202080016758.8A priority Critical patent/CN113474110B/zh
Priority to JP2021503981A priority patent/JP7281532B2/ja
Publication of WO2020179538A1 publication Critical patent/WO2020179538A1/fr

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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
    • B23B27/04—Cutting-off tools
    • 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

Definitions

  • the present disclosure generally relates to a method for manufacturing a cutting tool and a cutting object used for turning a work material.
  • the cutting tool used for turning include a tool for outer diameter machining, a tool for inner diameter machining, a tool for grooving, and a tool for parting.
  • Patent Document 1 JP-A-10-263917
  • Patent Document 2 JP-A-2006-035390
  • Patent Document 3 International Publication No. 2018 / The cutting tool described in No. 198929
  • the cutting insert is fixed to the holder using a plurality of screws.
  • the insert may rotate around the fixing screw inserted in the through hole of the insert as an axis. For this reason, there is a demand for a turning tool that suppresses the rotation of the insert while ensuring the strength of the insert.
  • a turning tool based on one aspect not limited in the present disclosure includes a holder, a cutting insert, a first screw and a second screw.
  • the holder has a rod shape extending along the central axis from the first end to the second end, and has a pocket, a first screw hole, and a second screw hole.
  • the pocket has a seating surface located on the side of the first end.
  • the first screw hole opens on the seat surface.
  • the second screw hole is located closer to the second end than the first screw hole.
  • the cutting insert is located in the pocket and has a first, second, third surface, cutting edge, through hole and recess.
  • the second surface is located on the opposite side of the first surface and abuts on the seat surface.
  • the third surface is located between the first surface and the second surface.
  • the cutting edge is located at the intersection of the first surface and the third surface.
  • the through hole opens on the first surface and the second surface.
  • the recess is located away from the second surface and opens on the first surface and the third surface.
  • the first screw is inserted into the through hole and screwed into the first screw hole.
  • the second screw comes into contact with the recess and is screwed into the second screw hole.
  • FIG. 5 is a plan view of the turning tool shown in FIG. 2 as viewed from the A1 direction.
  • FIG. 5 is a plan view of the turning tool shown in FIG. 2 as viewed from the A2 direction. It is the enlarged view which expanded the area
  • FIG. 5 is a plan view of the cutting insert shown in FIG.
  • the turning tool 1 of a plurality of embodiments not limited to the present disclosure will be described in detail with reference to the drawings.
  • the turning tool 1 may include any component not shown in each referenced figure.
  • 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 turning tool 1 illustrated in FIGS. 1 to 7 has a holder 3, a cutting insert 5, a first screw 7 and a second screw 9.
  • the turning tool 1 can be used for outer diameter processing, for example.
  • the holder 3 may have a rod shape extending along the central axis from the first end 3a (lower left end in FIG. 1) to the second end 3b (upper right end in FIG. 1).
  • the central axis of the holder 3 may be the first central axis O1.
  • the first end 3a is called the tip and the second end 3b is called the rear end.
  • the holder 3 may have a pocket 11, a first screw hole 13, and a second screw hole 15.
  • the pocket 11 is a portion to which the cutting insert 5 is attached, and may be located on the side of the first end 3a of the holder 3. As in the non-limiting example shown in FIG. 1, the pocket 11 may be positioned to include the first end 3a of the holder 3. Therefore, the pocket 11 may be opened at the first end 3a.
  • the pocket 11 may have a seating surface 17 and a restraining side surface 19 as a surface with which the cutting insert 5 abuts.
  • the restraining side surface 19 may be inclined with respect to the seat surface 17. Therefore, it is possible to distinguish the seat surface 17 and the restraining side surface 19 in the pocket 11.
  • the seat surface 17 may extend parallel to the first central axis O1. Further, the restraining side surface 19 may be inclined with respect to the first central axis O1.
  • the first screw hole 13 and the second screw hole 15 may be surfaces on which screws for fixing the cutting insert 5 to the holder 3 are attached, respectively.
  • Examples of the screw for fixing the cutting insert 5 to the holder 3 include a first screw 7 and a second screw 9.
  • the first screw hole 13 may be opened in the pocket 11.
  • the first screw hole 13 may be opened in the seat surface 17 as shown in FIG.
  • the second screw hole 15 may be located closer to the second end 3b than the first screw hole 13.
  • the second screw hole 15 may be opened in the pocket 11 like the first screw hole 13, or may be located away from the pocket 11.
  • the second screw hole 15 may be opened in the pocket 11, as in a non-limiting example shown in FIG. 13.
  • the member forming the holder 3 for example, steel, cast iron, aluminum alloy, or the like can be used.
  • the size of the holder 3 may be appropriately set according to the size of the work material.
  • the length of the holder 3 in the direction along the central axis can be set to, for example, about 50 mm or more and 200 mm or less.
  • the width in the direction orthogonal to the central axis can be set to, for example, about 5 mm or more and 30 mm or less.
  • the cutting insert 5 is located in the pocket 11 and may have the first surface 21, the second surface 23, the third surface 25, the cutting edge 27, the through hole 29, and the recess 31.
  • the cutting insert 5 is also simply referred to as an insert 5.
  • the insert 5 is not limited to a specific shape, but may have a polygonal plate shape, for example. As in the non-limiting example shown in FIG. 8, the insert 5 may have a square plate shape.
  • the first surface 21 may have a polygonal shape. Specifically, as in the non-limiting example shown in FIG. 9, the first surface 21 may have a rectangular shape when viewed from the front. Therefore, the first surface 21 may have four corners and four sides. One of the four corners is the first corner 21a, and two sides of the four sides extending from the first corner 21a are a first side 21b and a second side 21c.
  • the first surface 21 is not limited to the quadrangle. For example, even if the first surface 21 is a triangle, a pentagon, or a hexagon, there is no problem.
  • the first surface 21 may be referred to as the upper surface.
  • the second surface 23 is a surface located on the opposite side of the first surface 21, and may come into contact with the seat surface 17.
  • the second surface 23 may have the same shape as the first surface 21, or may have a different shape from the first surface 21.
  • the second surface 23 may have a polygonal shape like the first surface 21.
  • the second surface 23 may have a rectangular shape.
  • the second surface 23 may be referred to as the lower surface.
  • the third surface 25 may be located between the first surface 21 and the second surface 23.
  • the third surface 25 may be connected to the first surface 21 or may be separated from the first surface 21. Further, the third surface 25 may be connected to the second surface 23 or may be separated from the second surface 23. As in the non-limiting example shown in FIG. 8, the third surface 25 may be connected to the first surface 21 and the second surface 23.
  • the third surface 25 may be referred to as a side surface.
  • the third surface 25 in the non-limiting example shown in FIG. 8 has four flat surface regions. May be. Two adjacent surface regions of these surface regions may be connected to each other, or a curved surface region may be located between them.
  • the insert 5 in the non-limiting embodiment may have a cutting edge 27.
  • the cutting edge 27 can be used for cutting the work material.
  • the insert 5 may have a first cutting edge 27a located at the intersection of the first surface 21 and the third surface 25 as the cutting edge 27.
  • the first surface 21 can function as a rake surface
  • the third surface 25 can function as a flank surface.
  • the first cutting edge 27a does not have to be located at all of the intersections of the first surface 21 and the third surface 25, and there is no problem if it is located only at a part of the intersection of the first surface 21 and the third surface 25. ..
  • the first cutting edge 27a may be positioned so as to include at least a first angle 21a, a part of the first side 21b, and a part of the second side 21c. Good.
  • the portion of the first cutting edge 27a located on the first side 21b may be the main cutting edge.
  • the main cutting edge may mean a portion mainly used for cutting.
  • the insert 5 may have a second cutting edge located at the intersection of the second surface 23 and the third surface 25 as the cutting edge 27.
  • the second cutting edge does not have to be located at all of the ridge lines where the second surface 23 and the third surface 25 intersect, and there is no problem even if the second cutting edge is located only at a part of the ridge line where the second surface 23 and the third surface 25 intersect. Absent.
  • the insert 5 When the insert 5 is attached to the holder 3, at least a part of the first cutting edge 27a may be located farther from the second end 3b of the holder 3 than the first end 3a of the holder 3. That is, at least a part of the first cutting edge 27a may protrude to the most tip side.
  • the first cutting edge 27a can be used for cutting.
  • the insert 5 may be attached to the holder 3 so that the first corner 21a projects most toward the tip end side.
  • the through hole 29 may be opened on the first surface 21 and the second surface 23.
  • the through hole 29 may be a portion to which a fixing member for fixing the insert 5 to the holder 3 is attached.
  • the first screw 7 may be inserted as the fixing member.
  • the through hole 29 may have a tapered portion near the opening in the first surface 21.
  • the through hole 29 may have a portion on the first surface 21 side, the inner diameter of which increases as the distance from the second surface 23 approaches the first surface 21.
  • the insert 5 may be fixed to the holder 3 by abutting the first screw head 7a, which is the head of the first screw 7, on this portion.
  • the positions where the through holes 29 are opened on the first surface 21 and the second surface 23 are not particularly limited.
  • the through hole 29 may be opened at the center of the first surface 21 and the center of the second surface 23.
  • the central axis of the insert 5 indicated by a virtual straight line passing through the center of the first surface 21 and the center of the second surface 23 may coincide with the central axis of the through hole 29.
  • the central axis of the insert 5 will be referred to as the second central axis O2
  • the central axis of the through hole 29 will be referred to as the third central axis.
  • the insert 5 of the non-limiting embodiment may have one or more recesses 31.
  • the recess 31 may be located away from the second surface 23 and may be opened in the first surface 21 and the third surface 25.
  • the second screw head 9a which is the head of the second screw 9, can come into contact with the recess 31.
  • the insert 5 may have a plurality of recesses 31, as in a non-limiting example shown in FIG. In the non-limiting example shown in FIG. 8, recesses 31 may be located on each of the four sides of the first surface 21. That is, the insert 5 in the non-limiting example shown in FIG. 8 may have four recesses 31.
  • the size of the insert 5 is not particularly limited.
  • the length of one side of the first surface 21 having a polygonal shape can be set to about 10 to 25 mm.
  • the height from the first surface 21 to the second surface 23, in other words, the height in the direction along the second central axis O2 can be set to about 2 to 5 mm.
  • the size of the recess 31 is not particularly limited.
  • the width H1 in the direction along the side of the first surface 21 when the first surface 21 is viewed from the front can be set to about 3 to 8 mm.
  • the width H2 (depth of the recess 31) in the direction orthogonal to the side of the first surface 21 when the first surface 21 is viewed from the front can be set to about 1 to 3 mm.
  • the width H3 (depth of the recess 31) in the direction orthogonal to the side of the first surface 21 when the third surface 25 is viewed from the front can be set to about 0.5 to 1 mm.
  • the material of the insert 5 may be, for example, cemented carbide or cermet.
  • Examples of the composition of the cemented carbide include WC-Co, WC-TiC-Co and WC-TiC-TaC-Co.
  • WC-Co may be produced by adding cobalt (Co) powder to tungsten carbide (WC) and sintering it.
  • WC-TiC-Co may be WC-Co with titanium carbide (TiC) added.
  • WC-TiC-TaC-Co may be WC-TiC-Co with tantalum carbide (TaC) added.
  • the cermet may be a sintered composite material in which a metal is combined with a ceramic component.
  • examples of the cermet include those containing a titanium compound such as titanium carbide (TiC) or titanium nitride (TiN) as a main component.
  • the surface of the member forming the insert 5 may be coated with a film by using a chemical vapor deposition (CVD) method or a physical vapor deposition (PVD) method.
  • the coating composition may include titanium carbide (TiC), titanium nitride (TiN), titanium carbonitride (TiCN), alumina (Al 2 O 3 ), and the like.
  • the first screw 7 may be inserted into the through hole 29 and screwed into the first screw hole 13. Further, the second screw 9 may come into contact with the recess 31 and be screwed into the second screw hole 15. As described above, the first screw 7 and the second screw 9 may be members for fixing the insert 5 to the holder 3, respectively.
  • the first screw 7 may function as a main member for fixing the insert 5 to the holder 3.
  • the second screw 9 may function as a member that suppresses the rotation of the insert 5 with respect to the first screw 7.
  • the recess 31 is open on the third surface 25 and the second screw 9 comes into contact with the recess 31, the rotation of the insert 5 with respect to the first screw 7 is easily suppressed by the second screw 9. .. Further, since the recess 31 also opens on the first surface 21, the second screw 9 can be easily attached, and the second screw 9 can be easily brought into stable contact with the recess 31.
  • the recess 31 in the non-limiting embodiment may be located away from the second surface 23. That is, as compared with the case where the recess 31 reaches the second surface 23, the cutout amount of the recess 31 in the insert 5 can be suppressed. Therefore, the decrease in durability due to the notch provided in the insert 5 can be suppressed. Therefore, the strength of the insert 5 can be ensured while suppressing the rotation of the insert 5.
  • the depth of the recess 31 in the direction along the central axis of the insert 5 may be equal to or less than half the height of the insert 5 in the direction along the central axis of the insert 5. In this case, it is easy to secure the thickness of the insert 5 in the portion where the recess 31 is located. The durability of the insert 5 is high while the second screw 9 is brought into stable contact with the recess 31.
  • the region of the insert 5 where the second screw 9 abuts is not a hole like the through hole 29 but a recess 31.
  • the amount of notch in the insert 5 due to the recess 31 is smaller than that in the through hole 29. Therefore, the durability of the insert 5 is high.
  • the members constituting the first screw 7 and the second screw 9 for example, steel, cast iron, aluminum alloy, or the like can be used.
  • the central axis of the first screw 7 may be inclined with respect to the cutting edge 27.
  • the central axis of the first screw 7 may be substantially orthogonal to the cutting edge 27.
  • the main component force which is the largest force applied to the cutting edge 27 during cutting, tends to be applied mainly in the direction orthogonal to the cutting edge 27. Therefore, the main component force that is the largest force applied to the cutting edge 27 during cutting is difficult to be directly transmitted to the first screw 7, and the durability of the first screw 7 is high.
  • the central axis of the second screw 9 may also be orthogonal to the cutting edge 27.
  • the main component force is hard to be directly transmitted to the second screw 9, and the durability of the second screw 9 is high.
  • the central axis of the second screw 9 may be inclined with respect to the central axis of the first screw 7, or may be parallel to the central axis of the first screw 7.
  • the rotation of the insert 5 is more likely to be suppressed.
  • the insert 5 easily rotates with the first screw 7 as a reference, but since the second screw 9 is orthogonal to this rotation direction, the second screw 9 stably receives the movement of the insert 5 which is about to rotate. Because you can
  • the second screw 9 may come into contact with the recess 31 of the insert 5 while being separated from the third surface 25.
  • the third surface 25 that can be used as a flank is less likely to be damaged.
  • the thread groove of the second screw 9 is less likely to come into contact with the insert 5. Therefore, the thread groove of the second screw 9 is less likely to be damaged.
  • the pocket 11 of the holder 3 may have a restraint side surface 19. Further, the third surface 25 of the insert 5 may contact the restraining side surface 19. At this time, the insert 5 may be positioned so as to be sandwiched between the restraint side surface 19 and the second screw 9 as in the non-limiting example shown in FIG. When the insert 5 is positioned between the restraint side surface 19 and the second screw 9 in this way, the position of the insert 5 is unlikely to shift.
  • the restraining side surface 19 when the restraining side surface 19 is inclined with respect to the central axis, a back force, which is one of the forces applied to the cutting edge 27 during cutting, is easily received by the restraining side surface 19. Therefore, the load on the first screw 7 and the second screw 9 due to the back force is likely to be reduced. Therefore, the durability of the first screw 7 and the second screw 9 is high. For example, as shown in FIG. 6, when the restraining side surface 19 inclines so as to separate from the first central axis O1 toward the first end 3a, the back force is easily received by the restraining side surface 19.
  • the first screw 7 and the second screw 9 may have different sizes or the same size.
  • the first screw 7 and the second screw 9 have the same size, there is no problem even if the first screw 7 and the second screw 9 are attached in reverse, for example. Therefore, manufacturing of the turning tool 1 or replacement work of the insert 5 is facilitated. Further, since the first screw 7 and the second screw 9 can be shared, the manufacturing cost can be reduced.
  • the work piece 103 is produced by cutting the work material 101.
  • outer diameter machining is exemplified as cutting machining.
  • the method for producing the machined product 103 in the non-limiting embodiment may include the following steps. That is, (1) The process of rotating the work material 101 and (2) A step of bringing the rotating work material 101 into contact with the turning tool 1 represented by the above-mentioned not limited embodiment. (3) The process of separating the turning tool 1 from the work material 101 and May be provided.
  • the work material 101 may be rotated around the axis D in the D1 direction. Further, the turning tool 1 may be relatively close to the work material 101 by moving the turning tool 1 in the D2 direction. Next, as shown in FIG. 15, the first cutting edge of the turning tool 1 may be brought into contact with the work material 101 to cut the work material 101.
  • the outer diameter can be machined by cutting the work material 101 while moving the turning tool 1 in the D3 direction. Then, as shown in FIG. 16, the turning tool 1 may be moved relatively away from the work material 101 by moving the turning tool 1 in the D4 direction.
  • the turning tool 1 may be brought closer while the shaft D is fixed and the work material 101 is rotated. Further, in FIG. 15, the work material 101 may be cut by bringing the first cutting edge of the insert into contact with the rotating work material 101. Further, in FIG. 16, the turning tool 1 may be moved away while the work material 101 is rotated.
  • the turning tool 1 may be brought into contact with the work material 101 by moving the turning tool 1. Further, the turning tool 1 may be separated from the work material 101 by moving the turning tool 1.
  • the manufacturing method of the embodiment is not limited to the above-described embodiment.
  • the work material 101 may be brought closer to the turning tool 1.
  • the work material 101 may be moved away from the turning tool.
  • the step of keeping the turning tool 1 in a rotated state and bringing the insert into contact with a different portion of the work material 101 may be repeated.
  • typical examples of the material of the work material 101 include carbon steel, alloy steel, stainless steel, cast iron, non-ferrous metal and the like.

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

Abstract

Le présent outil de coupe comporte un support, un insert de coupe, une première vis et une seconde vis. Le support est formé sous la forme d'une tige s'étendant depuis une première extrémité vers une seconde extrémité le long d'un axe central, et comporte une poche, un premier trou de vis et un second trou de vis. L'insert de coupe est positionné dans la poche, et présente une première surface, une deuxième surface, une troisième surface, un bord de lame, un trou traversant et une section évidée. La section évidée est positionnée de façon à être espacée de la deuxième surface, et s'ouvre dans la première surface et la troisième surface. La première vis est insérée dans le trou traversant et est vissée dans le premier trou de vis. La seconde vis vient en butée contre la section évidée et est vissée dans le second trou de vis.
PCT/JP2020/007407 2019-03-05 2020-02-25 Outil de coupe et procédé de production d'une pièce découpée WO2020179538A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080016758.8A CN113474110B (zh) 2019-03-05 2020-02-25 车削刀具及切削加工物的制造方法
JP2021503981A JP7281532B2 (ja) 2019-03-05 2020-02-25 旋削工具及び切削加工物の製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-039354 2019-03-05
JP2019039354 2019-03-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022118946A1 (fr) * 2020-12-04 2022-06-09 京セラ株式会社 Plaquette de coupe, outil de coupe, et procédé de production d'une pièce de coupe

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001025914A (ja) * 1999-07-16 2001-01-30 Toshiba Tungaloy Co Ltd スローアウェイ式カッタ
JP2001121318A (ja) * 1999-10-27 2001-05-08 Ngk Spark Plug Co Ltd スローアウェイ切削工具用ホルダ及びスローアウェイ切削工具
JP2004501781A (ja) * 2000-06-27 2004-01-22 サンドビック　アクティエボラーグ 位置調節機構
JP2015085409A (ja) * 2013-10-29 2015-05-07 京セラ株式会社 切削インサート、切削工具および切削加工物の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE508387C2 (sv) * 1993-05-26 1998-10-05 Sandvik Ab Rundskär
JP4952068B2 (ja) 2006-06-01 2012-06-13 株式会社タンガロイ スローアウェイ式回転工具
IL196724A (en) 2009-01-26 2012-10-31 Iscar Ltd Cutting insert and cutting tool
US20130330136A1 (en) 2012-06-06 2013-12-12 Iscar, Ltd. Cutting Insert and Tool Having an Anti-Slip Arrangement
US20160016233A1 (en) 2014-07-17 2016-01-21 Kennametal India Limited Notched cutting inserts and applications thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001025914A (ja) * 1999-07-16 2001-01-30 Toshiba Tungaloy Co Ltd スローアウェイ式カッタ
JP2001121318A (ja) * 1999-10-27 2001-05-08 Ngk Spark Plug Co Ltd スローアウェイ切削工具用ホルダ及びスローアウェイ切削工具
JP2004501781A (ja) * 2000-06-27 2004-01-22 サンドビック　アクティエボラーグ 位置調節機構
JP2015085409A (ja) * 2013-10-29 2015-05-07 京セラ株式会社 切削インサート、切削工具および切削加工物の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022118946A1 (fr) * 2020-12-04 2022-06-09 京セラ株式会社 Plaquette de coupe, outil de coupe, et procédé de production d'une pièce de coupe

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JP7281532B2 (ja) 2023-05-25
JPWO2020179538A1 (fr) 2020-09-10

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