Thin film coating on undercarriage track pins

An undercarriage track joint assembly (100) includes a first link (110a) having a first, larger diameter bore at a first end (140a) and a second, smaller diameter bore at a second, opposite end (150a), and a second link (110b) having a first, larger diameter bore at a first end (140b) and a second,...

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Bibliographische Detailangaben
Hauptverfasser:	TAYLOR STEVEN CHARLES, DIEKEVERS MARK STEVEN, WEAVER DOUGLAS TRENT, FENG BAO, SULLIVAN JOSEPH RYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS METALLURGY MOTOR VEHICLES PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	An undercarriage track joint assembly (100) includes a first link (110a) having a first, larger diameter bore at a first end (140a) and a second, smaller diameter bore at a second, opposite end (150a), and a second link (110b) having a first, larger diameter bore at a first end (140b) and a second, smaller diameter bore at a second, opposite end (150b). A bushing (157) extends between the first and second links (110a, 110b) and is positioned at least partially within the first, larger diameter bores of the first and second links (110a, 110b). A pin (120) is positioned coaxially inside a central axial bore through the bushing (157), extending between the first and second links (110a, 110b), and positioned at least partially within the second, smaller diameter bores of the first and second links. The pin (120) is coated with an amorphous diamond-like carbon (a-DLC) coating (206, 306) over at least a portion of an outer diameter surface of the pin (120), the coating (206, 306) providing a contact layer between t