WO2018033701A1 - Fabrication additive par couches - Google Patents

Fabrication additive par couches Download PDF

Info

Publication number
WO2018033701A1
WO2018033701A1 PCT/GB2017/052327 GB2017052327W WO2018033701A1 WO 2018033701 A1 WO2018033701 A1 WO 2018033701A1 GB 2017052327 W GB2017052327 W GB 2017052327W WO 2018033701 A1 WO2018033701 A1 WO 2018033701A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
layer
metallic material
formed layer
additive
Prior art date
Application number
PCT/GB2017/052327
Other languages
English (en)
Inventor
Joseph Andrew POWELL
Original Assignee
Bae Systems Plc
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
Priority claimed from GB1614136.8A external-priority patent/GB2553097A/en
Priority claimed from EP16275117.6A external-priority patent/EP3284551A1/fr
Application filed by Bae Systems Plc filed Critical Bae Systems Plc
Publication of WO2018033701A1 publication Critical patent/WO2018033701A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • B22F3/1028—Controlled cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0869—Devices involving movement of the laser head in at least one axial direction
    • B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
    • B23K26/0884—Devices involving movement of the laser head in at least one axial direction in at least two axial directions in at least in three axial directions, e.g. manipulators, robots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/04—Welding for other purposes than joining, e.g. built-up welding
    • B23K9/044—Built-up welding on three-dimensional surfaces
    • B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
    • B23K9/048—Built-up welding on three-dimensional surfaces on surfaces of revolution on cylindrical surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30—Process control
    • B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/60—Treatment of workpieces or articles after build-up
    • B22F10/64—Treatment of workpieces or articles after build-up by thermal means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • B22F2007/068—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts repairing articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2202/00—Treatment under specific physical conditions
    • B22F2202/01—Use of vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Definitions

  • This invention relates to additive layer manufacturing (ALM) and in particular to a method of reconditioning a wheel for a tracked vehicle.
  • ALM additive layer manufacturing
  • a method of reconditioning a wheel for a tracked vehicle by additive layer manufacturing comprising the steps of:-
  • additive layer manufacturing removes the requirement of undercutting to prepare the surface prior to using metal spray, and therefore the integrity of the wheel is prolonged. If old metal spray is present it may be desirable to use additive layer manufacturing to add metallic material directly to the existing metal spray.
  • the additive layer manufacturing process creates a metallurgical bond with the parent material, compared to the weaker mechanical bond created with using metal spraying techniques. Therefore given the weaker bonding, during prior art metal spraying techniques, the old metal spray layers and some parent material are undercut, to provide a fresh surface of parent material, on which to metal spray. Simply applying a fresh layer of metal spray to an existing metal spray layer, may lead to the delamination of the lowest metal spray layer, which may compromise the integrity of the repair.
  • Additive layer manufacturing also wastes less metallic material than metal spraying techniques, as the metal used in the additive layer manufacturing is applied directly to the wheel, rather than metal material being sprayed, some of which will not impinge on the wheel to be repaired.
  • the heat source is a laser.
  • the metallic material is a powder.
  • the method may further comprise the step of controlling the rate of cooling of the formed layer to bring the formed layer to a state of crystallisation.
  • the method may further comprise the step of applying forced cooling the wheel or the wheel and the formed layer.
  • Heating and rapid cooling could cause the wheel and/or formed layer to become brittle, deform and crack, so the rate of cooling of the wheel and/or the formed layer is controlled to prevent deforming and cracking from occurring.
  • Techniques to control the rate of cooling may include using a slower travel speed for the heat source, reducing the power of the heat source, using further heat treatment, forced gas cooling, water spray cooling or cryogenic cooling.
  • the method further comprises the step of stress relieving the formed layer.
  • the method of stress relieving may be undertaken by applying ultrasonic impact treatment to the formed layer.
  • Ultra-sonic impact treatment applies small amounts of force at high frequency to work harden the formed layer.
  • Other stress relieving techniques may be used including applying heat treatment to the formed layer or peening.
  • the method may further comprise a step of pre-heating the wheel prior to step I.
  • the method may further comprise a step of adding a bonding layer to the wheel between step I and step II.
  • step I and step II provide compatibility between the wheel and the formed layer which improves bond strength, reduces the risk of cracks in the formed layer and the wheel. Further it may improve the resistance of the formed layer to corrosion and may mitigate corrosion propagating into the wheel.
  • the bonding layer is selected from aluminium bronze.
  • the formed layer of metallic material on the wheel has a thickness of at least 3mm, thickness may be adjusted to match the required durability and economy of wear of the formed layer.
  • the formed layer of metallic material on the wheel may be selected from a steel, preferably stainless steel, preferably the stainless steel is a high chrome stainless steel, to reduce the risk of corrosion.
  • the heat source may be moved relative to the wheel resulting in overlap of the formed layer of metallic material on the wheel.
  • the formed layer of metallic material on the wheel results in the build-up of metallic material thickness and/or increased areal coverage.
  • the formed layer of metallic material on the wheel forms an elongate bead or elongate ridge.
  • a protective gas is used during the formation of the bonding layer or formed layer of metallic material on the wheel.
  • a protective gas during the formation of the bonding layer or formed layer of metallic material prevents exposure of the melted portion to oxygen, nitrogen and hydrogen contained in the air atmosphere.
  • the reaction of these elements with the melted portion may create metallurgical weaknesses, including porosity (holes within the formed layer) and eventually cracking.
  • the additive layer manufacturing method may be selected from laser blown powder manufacture, laser powder bed manufacture, or wire arc additive manufacture.
  • a recondition wheel for a tracked vehicle which has been reconditioned using the method described herein.
  • Figure 1 shows a side view of a repair to a wheel of a tracked vehicle.
  • Figure 2 shows a cross section of multiple repairs to a wheel of a tracked vehicle.
  • Figure 3 shows apparatus for implementing the method of the invention.
  • FIG. 1 there is provided an orthogonal view of a section of a wheel 100 for a tracked vehicle.
  • the wheel 100 comprises an annular wear strip 102 which exhibits damage 104.
  • the damage 104 to the annular wear strip 102 occurs due to the movement of elements of the continuous track of the tracked vehicle against the wear strip 102 and in particular the track horn (not shown).
  • FIG 2 there is provided a cross section of a reconditioned wheel 200 for a tracked vehicle of Figure 1 .
  • Figure 2 shows a replacement wear strip 202 and also a repair 204 to the outer circumference of the wheel 200.
  • the replacement wear strip 202 and repair 204 are a formed layer of metallic material, deposed by a method according to the invention. Once the damage has been repaired 202, 204 the wheel 200 has a rubber tyre 206 placed on the outer circumference of the wheel 200.
  • an apparatus for reconditioning a wheel for a tracked vehicle 300 comprising a base plate 302 configured to receive a wheel 304 on to which successive layers of metallic material 308, 310, 312, 314 are built-up as described hereinafter.
  • a bonding layer 306 and 312 may be located between the wheel 304 and layers of metallic material 308, 310, 312, 314 to enhance bonding.
  • a laser generator 316 is controlled by a computer 318 to deliver a laser beam to focussing optics 320, which focus the laser beam to a spot 324 on the surface of the wheel.
  • a metallic material delivery system 322 delivers metallic material to the vicinity of the laser spot 324 on the wheel surface. The metallic material may be delivered coaxially.
  • the laser generator 316 and focussing optics 320 are mounted so as to be moveable under the control of the computer 318 in the X-Y plane parallel to the base plate 302, and vertically in the Z direction orthogonal to it.
  • the laser spot 324 thus can be directed to any point in the working envelope in the X-Y plane, and vertically so as to accommodate wheels of different size and type, and regions of different height within the wheel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Robotics (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne un procédé de remise à neuf d'une roue pour un véhicule chenillé par fabrication additive par couches. Le procédé comprend les étapes suivantes : l'utilisation d'une source de chaleur, telle qu'un laser, pour faire fondre la surface de la roue et former un bain de fusion ; l'ajout d'un fil ou d'un matériau métallique au bain de fusion et le déplacement de la source de chaleur par rapport à la roue de manière à former progressivement une nouvelle couche de matériau métallique sur la roue et la répétition des étapes ci-dessus, selon les besoins, pour former la roue remise à neuf couche par couche.
PCT/GB2017/052327 2016-08-18 2017-08-08 Fabrication additive par couches WO2018033701A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB1614136.8A GB2553097A (en) 2016-08-18 2016-08-18 Additive layer manufacturing
GB1614136.8 2016-08-18
EP16275117.6A EP3284551A1 (fr) 2016-08-19 2016-08-19 Fabrication de couche d'additifs
EP16275117.6 2016-08-19

Publications (1)

Publication Number Publication Date
WO2018033701A1 true WO2018033701A1 (fr) 2018-02-22

Family

ID=59593125

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2017/052327 WO2018033701A1 (fr) 2016-08-18 2017-08-08 Fabrication additive par couches

Country Status (1)

Country Link
WO (1) WO2018033701A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110315082A (zh) * 2019-07-30 2019-10-11 华中科技大学 一种微铸激光冲击织构的金属零件制造系统及方法
CN110977172A (zh) * 2019-11-21 2020-04-10 南京航空航天大学 一种电弧增材与激光辅助热塑性成形复合制造装置和方法
CN111558756A (zh) * 2020-04-16 2020-08-21 西安理工大学 基于增材制造技术制备铜及铜合金构件的方法
KR20200108520A (ko) * 2019-03-04 2020-09-21 클래드코리아원주 주식회사 금속 와이어 3d 프린터
CN113042738A (zh) * 2021-03-10 2021-06-29 岭澳核电有限公司 循环水过滤系统用泵盖板增材修复方法及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2730354A1 (fr) * 2012-11-09 2014-05-14 BAE Systems PLC Fabrication de couche d'additifs
CN105728724A (zh) * 2016-03-18 2016-07-06 山东能源重装集团大族再制造有限公司 一种链轮的3d打印修复方法
EP3120968A1 (fr) * 2015-07-20 2017-01-25 Goodrich Corporation Procédés de réparation de parties de roue d'avion et parties de frein d'avion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2730354A1 (fr) * 2012-11-09 2014-05-14 BAE Systems PLC Fabrication de couche d'additifs
EP3120968A1 (fr) * 2015-07-20 2017-01-25 Goodrich Corporation Procédés de réparation de parties de roue d'avion et parties de frein d'avion
CN105728724A (zh) * 2016-03-18 2016-07-06 山东能源重装集团大族再制造有限公司 一种链轮的3d打印修复方法

Non-Patent Citations (2)

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Title
REIN VAN DER MAST: "Created wherever needed, modified if better | SOLide - Design for Additive Manufacturing", 19 June 2012 (2012-06-19), XP055340635, Retrieved from the Internet <URL:http://solide-tct.nl/en/mph_on_site> [retrieved on 20170131] *
REIN VAN DER MAST: "Never to be completed: revitalizing the wheels of the Leopard 2 A6 MBT | SOLide - Design for Additive Manufacturing", 1 January 2012 (2012-01-01), XP055340809, Retrieved from the Internet <URL:http://solide-tct.nl/en/laser_cladding_sprockets_leopard_2_mbt> [retrieved on 20170131] *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200108520A (ko) * 2019-03-04 2020-09-21 클래드코리아원주 주식회사 금속 와이어 3d 프린터
KR102163113B1 (ko) 2019-03-04 2020-10-07 클래드코리아포항 주식회사 금속 와이어 3d 프린터
CN110315082A (zh) * 2019-07-30 2019-10-11 华中科技大学 一种微铸激光冲击织构的金属零件制造系统及方法
CN110977172A (zh) * 2019-11-21 2020-04-10 南京航空航天大学 一种电弧增材与激光辅助热塑性成形复合制造装置和方法
CN111558756A (zh) * 2020-04-16 2020-08-21 西安理工大学 基于增材制造技术制备铜及铜合金构件的方法
CN111558756B (zh) * 2020-04-16 2022-02-18 西安理工大学 基于增材制造技术制备铜及铜合金构件的方法
CN113042738A (zh) * 2021-03-10 2021-06-29 岭澳核电有限公司 循环水过滤系统用泵盖板增材修复方法及系统

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