Repair technology for wind turbine cabin chassis crack repairing welding and strengthening
The invention discloses a repair technology for wind turbine cabin chassis crack repairing welding and strengthening, and relates to the technical field of on-line cold welding repair technology for large spheroidal graphite cast iron. The repair technology for wind turbine cabin chassis crack repai...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a repair technology for wind turbine cabin chassis crack repairing welding and strengthening, and relates to the technical field of on-line cold welding repair technology for large spheroidal graphite cast iron. The repair technology for wind turbine cabin chassis crack repairing welding and strengthening comprises a welding repair at a chassis crack and a reinforcing rib strengthening at the chassis outside; the welding repair at the chassis crack selects to use a AMALLOY440 cast iron welding rod according to the characteristics and weldability of spheroidal graphite cast iron, a weld of the AMALLOY440 cast iron welding rod can meet the mechanical strength and ductility required for the welding of the spheroidal graphite cast iron. The repair technology for wind turbine cabin chassis crack repairing welding and strengthening can realize a wide range of cold welding on a front cabin base in a fan field, the service life of the base is prolonged, and the maintenance time is greatly shor |
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