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1. (WO2017139777) ROBOTICALLY-CONTROLLED LASER CLADDING PROCESS FOR REPAIR OF WORN AND/OR DAMAGED RAILWAY STRUCTURES
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/139777 International Application No.: PCT/US2017/017688
Publication Date: 17.08.2017 International Filing Date: 13.02.2017
IPC:
B23P 6/04 (2006.01) ,B23K 26/342 (2014.01) ,B33Y 30/00 (2015.01)
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
P
OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
6
Restoring or reconditioning objects
04
Repairing fractures or cracked metal parts or products, e.g. castings
[IPC code unknown for B23K 26/342][IPC code unknown for B33Y 30]
Applicants:
HOLLAND, L.P. [US/US]; 1000 Holland Dr. Crete, IL 60417, US
TITANOVA, INC. [US/US]; 198a Hughes Ln St. Charles, MO 63301, US
Inventors:
LINDEMULDER, Paul; US
KRAL, Richard, F.; US
HAAKE, John; US
Agent:
SCHERRER, Stephen, T.; US
Priority Data:
62/294,72712.02.2016US
Title (EN) ROBOTICALLY-CONTROLLED LASER CLADDING PROCESS FOR REPAIR OF WORN AND/OR DAMAGED RAILWAY STRUCTURES
(FR) PROCÉDÉ DE REVÊTEMENT AU LASER COMMANDÉ PAR ROBOT POUR LA RÉPARATION DE STRUCTURES DE CHEMIN DE FER USÉES ET/OU ENDOMMAGÉES
Abstract:
(EN) An improved process for repair of worn and damaged surfaces of railway structures such as frog and diamond transition surfaces, rail head surfaces and wheels. A worn or damaged surface is prepared using a robotically-controlled laser to melt or gouge away metal using controlled laser energy and air pressure to remove existing worn or damaged surfaces. The process further utilizes laser cladding, laser weld overlaying, or laser additive manufacturing, of formulated powder, wire or stick welding material to worn surfaces that have been prepared for material build-up to original dimensions and similar metallurgical properties.
(FR) L'invention concerne également un procédé amélioré pour la réparation de surfaces usées et endommagées de structures ferroviaires telles que des surfaces de transition de coeur de croisement et de diamant, des surfaces de tête de rail et des roues. Une surface usée ou endommagée est préparée à l'aide d'un laser commandé par robot pour faire fondre ou couper du métal à l'aide d'une énergie laser commandée et d'une pression d'air pour éliminer des surfaces usées ou endommagées existantes. Le procédé utilise en outre une gaine laser, une superposition de soudure laser, ou une fabrication additive au laser, de poudre formulée, un matériau de soudage par fil ou en baguette sur des surfaces usées qui ont été préparées pour une accumulation de matériau jusqu'à des dimensions originales et des propriétés métallurgiques similaires.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
CA3014533EP3414045