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CN108161041A - Indexable cutting blade for cutting engineering rubber materials - Google Patents

Indexable cutting blade for cutting engineering rubber materials Download PDF

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Publication number
CN108161041A
CN108161041A CN201810137774.7A CN201810137774A CN108161041A CN 108161041 A CN108161041 A CN 108161041A CN 201810137774 A CN201810137774 A CN 201810137774A CN 108161041 A CN108161041 A CN 108161041A
Authority
CN
China
Prior art keywords
tooth
knife face
protrusion
flank
rubber material
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.)
Granted
Application number
CN201810137774.7A
Other languages
Chinese (zh)
Other versions
CN108161041B (en
Inventor
祝泉水
何耿煌
彭仕昌
张昌荣
邹伶俐
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.)
Xiamen Golden Egret Special Alloy Co Ltd
Original Assignee
Xiamen Golden Egret Special Alloy Co Ltd
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 Xiamen Golden Egret Special Alloy Co Ltd filed Critical Xiamen Golden Egret Special Alloy Co Ltd
Priority to CN201810137774.7A priority Critical patent/CN108161041B/en
Publication of CN108161041A publication Critical patent/CN108161041A/en
Application granted granted Critical
Publication of CN108161041B publication Critical patent/CN108161041B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/16Milling-cutters characterised by physical features other than shape
    • B23C5/20Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B23C5/202Plate-like cutting inserts with special form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B27/00Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16Cutting 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
    • B23B27/1625Cutting 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 plate-like cutting inserts of special shape clamped by a clamping member acting almost perpendicularly on the chip-forming plane
    • B23B27/164Cutting 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 plate-like cutting inserts of special shape clamped by a clamping member acting almost perpendicularly on the chip-forming plane characterised by having a special shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2200/00Details of cutting inserts
    • B23B2200/04Overall shape
    • B23B2200/0471Square
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2226/00Materials of tools or workpieces not comprising a metal
    • B23B2226/33Elastomers, e.g. rubber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/08Rake or top surfaces
    • B23C2200/086Rake or top surfaces with one or more grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses an indexable cutting insert for cutting engineering rubber materials, which comprises an insert body, wherein the projection of the insert body on a horizontal plane is approximately square, the insert body comprises an upper surface, a lower surface and a side surface surrounding the periphery, and the lower surface is a plane; the side surface of the blade body is also provided with a plurality of tooth-shaped convex parts extending outwards, the edge of the upper surface of each tooth-shaped convex part forms a cutting edge part, the upper surface of each tooth-shaped convex part forms a front tool surface of the cutting blade, the side surface of each tooth-shaped convex part forms a rear tool surface of the cutting blade, and the rear tool surface is at least two surfaces from top to bottom. The invention can ensure the quality of the processed surface of the rubber material and prolong the service life of a cutter when cutting the elastic material such as rubber, and can realize efficient cutting of the elastic material such as rubber.

Description

A kind of Indexable cutting inserts for machining engineering rubber material
Technical field
The present invention relates to a kind of cutting tool, more particularly to a kind of for the indexable of machining engineering rubber material Cutting tip.
Background technology
With the development of science and technology, the application field of engineering rubber material is more and more extensive, it has been widely used in bridge at present The engineering fields such as beam support and telescopic device, engineering machinery, guarded drainage material and shock insulation damping technology.
Since rubber material has resilient characteristic, cutting characteristic mainly has the following:
1st, since the elasticity modulus of rubber material is small, elasticity restores fast, is easily deformed in cutting, it is difficult to control size and Form accuracy, particularly in small surplus, cutter is difficult incision workpiece material;
2nd, the hardness and strength of rubber material are very low, it is desirable that the angle of wedge of cutter is small, and cutting edge sharpness is good.To cut during cutting Based on, when the fillet increase of point of a knife, just it is difficult to cut.Point of a knife part needs one wiper edges or circle for being more than the amount of feeding of design Arc, otherwise in machining, chip is just connected on machined surface, influences the surface quality of workpiece;
3rd, the thermal conductivity factor of rubber material is very low, typically about the 1/350 of steel.But due to its hardness and strength also very Low, so the heat generated in normal cutting is less, but its radiating condition is poor, its elasticity restores large and fast in addition, easily Make to generate friction between cutter and workpiece, aggravate tool wear rust;
4th, in continuous cutting, chip becomes band rubber material, not chip breaking.It can only be controlled by changing tool geometry angle Chip-flowing processed avoids chip from being wrapped on workpiece or cutter, influence everything goes well with your work carry out;
When the 5th, cutting rubber material, generally without cutting fluid, aqueous solution if desired can only be used.
In engineering rubber material machining, cutting resistance is big for traditional straight line sword or curve sword cutting tool, production Raw heat is difficult to spread, and the rubber industry in processing is caused easily to be softened, influences the machinability and its of rubber Machined surface quality.
Invention content
It is an object of the invention to overcome the deficiency of the prior art, provide a kind of for machining engineering rubber material Indexable cutting inserts, can be in the machined table for ensuring rubber material in the machining for carrying out rubber elastomeric material While face quality, raising cutter life, the high-efficient cutting processing of rubber elastomeric material is realized.
The technical solution adopted by the present invention to solve the technical problems is:It is a kind of for machining engineering rubber material Indexable cutting inserts, being included in projection on horizontal plane, in the blade body of generally square shape, which includes upper The side on surface, lower surface and surrounding periphery, and lower surface is plane;It is further extended outward in the side of blade body equipped with multiple Tooth-like protrusion, the edge of the upper surface of tooth-like protrusion form cutting edge portion, before the upper surface of tooth-like protrusion forms cutting tip Knife face, the side of tooth-like protrusion form the rear knife face of cutting tip, and the rear knife face at least two face from top to bottom.
Knife face includes knife face after the flank of the side in tooth-like protrusion after described, and knife face is by being in top after the flank Flank master after knife face and flank minor flank in lower part form, and after flank master knife face the first relief angle α1For 0 °~ 15°;Second relief angle α of flank minor flank2It is 20 °~45 °.
Knife face further includes the tooth root positioned at the side of blade body between two adjacent tooth-like protrusions after described Knife face afterwards, knife face is made of knife face after the tooth root master for being in top and the tooth root minor flank in lower part after the tooth root, and Angle beta after the tooth root first of knife face after tooth root master1It is 0 °~9 °;Angle beta after the tooth root second of tooth root minor flank2It is 10 °~20 °.
The upper surface of the tooth-like protrusion is projected upwards relative to the upper surface of blade body, and the anterior angle γ of rake face is 5 °~20 °.
The tooth-like protrusion on each side of the blade body is equal, and each tooth-like protrusion of blade body is in center rotation pair Claim.
The center through-thickness of the blade body is equipped with the centre bore of perforation upper and lower surface.
The tooth top angle theta of the tooth-like protrusion1With tooth root angle theta2It is equal.
The tooth top angle theta of the tooth-like protrusion1With tooth root angle theta2Blade body upper and lower surface be projected as 30 °~ 60°。
2.5~4.5mm of bulge size of the tooth-like protrusion.
The gear tip clearance of the tooth-like protrusion is away from being respectively 3~6mm with tooth root spacing.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, γ is set as 5 °~20 ° as a result of the anterior angle for forming upper surface and rake face, which, which is designed with, is conducive to Incision of the blade to rubber material while blade sharper is ensured, and does not lose intensity.
2nd, it is designed as a result of double relief angles, i.e., knife face after rear flank of the knife face including the side in tooth-like protrusion, institute Knife face is made of, and knife after flank master knife face after the flank master for being in top and the flank minor flank in lower part after stating flank The first relief angle α in face1It is 0 °~15 °;Second relief angle α of flank minor flank2For 20 °~45 ° and rear knife face further includes place The knife face after the tooth root of the side of blade body between two adjacent tooth-like protrusions, knife face is by being in after the tooth root Knife face and tooth root minor flank in lower part are formed after the tooth root master on top, and angle beta after the tooth root first of knife face after tooth root master1 It is 0 °~9 °;Angle beta after the tooth root second of tooth root minor flank2It is 10 °~20 °;The structure can subtract in rubber machining The contact area of knife face and machined surface after small, and then reduce the heat brought because of friction, while increase heat-dissipating space, it drops Low rubber material, because the heat generated is softened, influences the machinability, machined of rubber material in machining The surface quality on surface and the service life of blade.
The present invention is described in further detail with reference to the accompanying drawings and embodiments;But one kind of the present invention adds for cutting The Indexable cutting inserts of work engineering rubber material are not limited to embodiment.
Description of the drawings
Fig. 1 is the D structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the vertical view of the embodiment of the present invention;
Fig. 3 is the D direction views of Fig. 2;
Fig. 4 is the E direction views of Fig. 3;
Fig. 5 is the sectional view of the line A-A along Fig. 2;
Fig. 6 is the sectional view of the line B-B along Fig. 2.
Wherein, label is in figure:1st, Indexable cutting inserts;2nd, knife face after tooth root master;3rd, lower surface;After 4a, flank master Knife face;Knife face after 4b, flank master;5a, flank minor flank;5b, flank minor flank;6th, knife face outside circle cambered surface after master;7、 Rake face;8th, cutting edge portion;9th, centre bore;10th, upper surface;11st, tooth root minor flank;12nd, minor flank outside circle cambered surface;n、 Blade axis;θ1, tooth top angle;θ2, tooth root angle;L1, gear tip clearance away from;L2, tooth root spacing;α1, the first relief angle;α2, after second Angle;β1, the first relief angle of tooth root;β2, the second relief angle of tooth root;γ, anterior angle.
Specific embodiment
Embodiment
Referring to shown in Fig. 1 to Fig. 6, a kind of Turable cutting knife for machining engineering rubber material of the invention Piece, is included in the blade body 1 that projection on horizontal plane is in generally square shape, which includes upper surface 10, following table Face 3 and the side of surrounding periphery, and lower surface 3 is plane;It is further extended outward in the side of blade body 1 convex equipped with multiple tooth forms Portion, this causes every side when blade body 1 projects in the horizontal plane to form tooth-shape structure, the edge shape of the upper surface of tooth-like protrusion Into cutting edge portion 8, cutting edge portion 8 in the horizontal plane project into dentation, each edge of blade body 1 is made of multiple teeth, tooth The upper surface of shape protrusion forms the rake face 7 of cutting tip, and the side of tooth-like protrusion forms the rear knife face of cutting tip, and after this Knife face at least two face from top to bottom.Knife face is at least made of two faces afterwards, i.e., at least sets double relief angles.After the present embodiment Knife face is formed using two faces.
In the present embodiment, it is described after knife face include knife face after the flank of the side in tooth-like protrusion, knife after the flank By knife face 4a, 4b after being in the flank master on top, (since tooth-like protrusion has two flank side surfaces, each tooth-like protrusion has flank in face Knife face 4b after knife face 4a and flank master after master) and flank minor flank 5a, 5b in lower part (since tooth-like protrusion has two avris Face, therefore each tooth-like protrusion has flank minor flank 5a and flank minor flank 5b) form, and after flank master knife face first Relief angle α1It is 0 °~15 °;Second relief angle α of flank minor flank2It is 20 °~45 °.According to the definition of relief angle:In orthogonal plane Angle between the rear knife face of measurement and cutting plane is relief angle, then it is basal plane p to assume the plane parallel with bottom surface 3r, with tooth top Circular arc is tangent and perpendicular to basal plane prPlane be cutting plane ps, then knife face outside circle cambered surface 6 and cutting plane p after leadingsIt is formed The first relief angle α1It is 0 °~15 °, minor flank outside circle cambered surface 12 and cutting plane psThe the second relief angle α formed2For 20 °~ 45°。
In the present embodiment, it is described after knife face further include and be located at blade body between two adjacent tooth-like protrusions Knife face after the tooth root of side, after the tooth root knife face by be in knife face 2 after the tooth root master on top and tooth root pair in lower part after Knife face 11 is formed, and angle beta after the tooth root first of knife face after tooth root master1It is 0 °~9 °;Angle beta after the tooth root second of tooth root minor flank2 It is 10 °~20 °.That is, knife face 2 and cutting plane p after tooth root mastersAngle beta after the tooth root first of formation1It is 0 °~9 °;Knife after tooth root pair Face 11 and cutting plane psAngle beta after the tooth root second of formation2It is 10 °~20 °.
In the present embodiment, the upper surface of the tooth-like protrusion is projected upwards relative to the upper surface of blade body, and preceding knife The anterior angle γ in face is 5 °~20 °.That is, upper surface 10 is 5 °~20 ° with the anterior angle γ that rake face 7 is formed;Anterior angle design is advantageous In incision of the blade to rubber material, while blade sharper is ensured, and intensity is not lost;Rake face 7 and knife after flank master Face 4a, 4b are crossed to form the cutting edge portion 8, and the tooth-like protrusion on each side of blade body is equal, and each tooth form of blade body Protrusion is in center rotational symmetry (i.e. with blade axis n in center rotational symmetry), the tooth top angle theta of tooth-like protrusion1It is pressed from both sides with tooth root Angle θ2It is equal, and tooth top angle theta1, tooth root angle theta2Projection on horizontal plane (also corresponding to the upper and lower surface in blade body) It it is 30 °~60 °, the height H (i.e. the bulge size of tooth-like protrusion) of the tooth of tooth-like protrusion is 2.5~4.5mm, the tooth of tooth-like protrusion Push up spacing L1With tooth root spacing L2For 3~6mm.
In the present embodiment, the center through-thickness of the blade body is equipped with perforation upper surface 10 and lower surface 3 Centre bore 9.
A kind of Indexable cutting inserts for machining engineering rubber material of the present invention employ double relief angles and set Meter, i.e., after knife face include knife face after the flank of the side in tooth-like protrusion, knife face is by being in the flank on top after the flank Knife face 4a, 4b and flank minor flank 5a, 5b in lower part are formed after master, and after flank master knife face the first relief angle α1It is 0 ° ~15 °;Second relief angle α of flank minor flank2For 20 °~45 ° and rear knife face further include it is convex in two adjacent tooth forms The knife face after the tooth root of the side of blade body between portion, knife face is by being in knife face after the tooth root master on top after the tooth root 2 and the tooth root minor flank 11 in lower part form, and angle beta after the tooth root first of knife face after tooth root master1It is 0 °~9 °;Tooth root pair Angle beta after the tooth root second of knife face afterwards2It is 10 °~20 °.Since rubber material can be by the crimp of cutter, bullet in cutting Property restore fast, it is the contact surface of knife face and machined surface after reduction in order in rubber machining that this, which becomes double relief angles designs, Product, and then reduce the heat brought because of friction, while increase heat-dissipating space, rubber material is reduced in machining because of production Raw heat is softened, and influence the machinability of rubber material, the surface quality of machined surface and blade uses the longevity Life.
A kind of Indexable cutting inserts for machining engineering rubber material of the present invention, employ blade body Lower surface 3 be set as plane, plane on the basis of the plane formed using lower surface 3 can play the role of positioning.
Anterior angle is generally set as 45 °~55 °, relief angle is set by the cutting tip of the prior art in rubber material machining It it is 10 °~15 °, the angle of wedge is set as 20 °~30 °.The present invention is that blade cutting edge is designed to dentation, and anterior angle γ is set as 5 °~20 °, And it is designed using double relief angles, the first relief angle α1It is 0 °~15 °, the second relief angle α2It is 20 °~45 °, angle beta after tooth root first1For 0 °~ 9°;Angle beta after tooth root second2It is 10 °~20 °.It is an advantage of the invention that by reducing anterior angle, increasing the angle of wedge, double relief angles design, While the sharpness requirement for ensureing rubber material cutting, and the strength and stability of blade is improved, improve blade Service life.
Above-mentioned only presently preferred embodiments of the present invention not makees the present invention limitation in any form.It is although of the invention It is disclosed above with preferred embodiment, however it is not limited to the present invention.Any those skilled in the art are not taking off In the case of from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above Mostly possible changes and modifications are revised as equivalents equivalent embodiment.Therefore, it is every without departing from technical solution of the present invention Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention In the range of technical solution of the present invention protection.

Claims (10)

1. a kind of Indexable cutting inserts for machining engineering rubber material, it is in substantially just to be included in projection on horizontal plane The blade body of square configuration, which includes the side of upper surface, lower surface and surrounding periphery, and lower surface is flat Face;It is characterized in that:It is further extended outward in the side of blade body equipped with multiple tooth-like protrusions, the side of the upper surface of tooth-like protrusion Edge forms cutting edge portion, and the upper surface of tooth-like protrusion forms the rake face of cutting tip, and the side of tooth-like protrusion forms bite The rear knife face of piece, and the rear knife face at least two face from top to bottom.
2. the Indexable cutting inserts according to claim 1 for machining engineering rubber material, it is characterised in that: Knife face includes knife face after the flank of the side in tooth-like protrusion after described, and knife face is by being in the flank master on top after the flank Knife face and flank minor flank in lower part are formed afterwards, and after flank master knife face the first relief angle α1It is 0 °~15 °;Flank pair Second relief angle α of knife face afterwards2It is 20 °~45 °.
3. the Indexable cutting inserts according to claim 2 for machining engineering rubber material, it is characterised in that: Knife face further includes the knife face after the tooth root of the side of blade body between two adjacent tooth-like protrusions, institute after described Knife face is made of, and knife after tooth root master knife face after the tooth root master for being in top and the tooth root minor flank in lower part after stating tooth root Angle beta after the tooth root first in face1It is 0 °~9 °;Angle beta after the tooth root second of tooth root minor flank2It is 10 °~20 °.
4. the Indexable cutting inserts according to claim 1 for machining engineering rubber material, it is characterised in that: The upper surface of the tooth-like protrusion is projected upwards relative to the upper surface of blade body, and the anterior angle γ of rake face is 5 °~20 °.
5. the Indexable cutting inserts according to claim 1 for machining engineering rubber material, it is characterised in that: The tooth-like protrusion on each side of the blade body is equal, and each tooth-like protrusion of blade body is in center rotational symmetry.
6. the Indexable cutting inserts according to claim 1 for machining engineering rubber material, it is characterised in that: The center through-thickness of the blade body is equipped with the centre bore of perforation upper and lower surface.
7. the Indexable cutting inserts according to claim 1 for machining engineering rubber material, it is characterised in that: The tooth top angle theta of the tooth-like protrusion1With tooth root angle theta2It is equal.
8. the Indexable cutting inserts according to claim 1 for machining engineering rubber material, it is characterised in that: The tooth top angle theta of the tooth-like protrusion1With tooth root angle theta230 °~60 ° are projected as in the upper and lower surface of blade body.
9. the Indexable cutting inserts according to claim 1 for machining engineering rubber material, it is characterised in that: 2.5~4.5mm of bulge size of the tooth-like protrusion.
10. the Indexable cutting inserts according to claim 1 for machining engineering rubber material, feature exists In:The gear tip clearance of the tooth-like protrusion is away from being respectively 3~6mm with tooth root spacing.
CN201810137774.7A 2018-02-10 2018-02-10 A kind of Indexable cutting inserts for machining engineering rubber material Active CN108161041B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810137774.7A CN108161041B (en) 2018-02-10 2018-02-10 A kind of Indexable cutting inserts for machining engineering rubber material

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Application Number Priority Date Filing Date Title
CN201810137774.7A CN108161041B (en) 2018-02-10 2018-02-10 A kind of Indexable cutting inserts for machining engineering rubber material

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CN108161041A true CN108161041A (en) 2018-06-15
CN108161041B CN108161041B (en) 2019-11-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112974939A (en) * 2019-12-13 2021-06-18 株式会社泰珂洛 Cutting insert

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1196694A (en) * 1995-09-18 1998-10-21 伊斯卡有限公司 Milling cutting blade and milling toolholder therefor
CN101462183A (en) * 2007-12-21 2009-06-24 山特维克知识产权股份有限公司 A milling cutter tool for chip removing machining, as well as a cutting body therefor
CN101602123A (en) * 2009-06-29 2009-12-16 株洲钻石切削刀具股份有限公司 Indexable insert for milling, milling cutter and method for mounting milling cutter
CN102441684A (en) * 2010-10-10 2012-05-09 孙生强 Indexable triangular thread chaser blade and machining method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1196694A (en) * 1995-09-18 1998-10-21 伊斯卡有限公司 Milling cutting blade and milling toolholder therefor
CN101462183A (en) * 2007-12-21 2009-06-24 山特维克知识产权股份有限公司 A milling cutter tool for chip removing machining, as well as a cutting body therefor
CN101602123A (en) * 2009-06-29 2009-12-16 株洲钻石切削刀具股份有限公司 Indexable insert for milling, milling cutter and method for mounting milling cutter
CN102441684A (en) * 2010-10-10 2012-05-09 孙生强 Indexable triangular thread chaser blade and machining method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112974939A (en) * 2019-12-13 2021-06-18 株式会社泰珂洛 Cutting insert
CN112974939B (en) * 2019-12-13 2023-12-05 株式会社泰珂洛 Cutting insert

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