Method of fabricating hydraulic turbine propeller blade

B - Operations – Transporting – 23 – P

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B23P 15/02 (2006.01) B21K 3/00 (2006.01) B23P 15/04 (2006.01) F03B 3/12 (2006.01)

Patent

CA 1063330

METHOD OF FABRICATING HYDRAULIC TURBINE PROPELLER BLADE ABSTRACT OF THE DISCLOSURE A method of fabricating a hydraulic turbine propeller blade is disclosed which includes welding the blade portion and trunnion together. During the welding procedure, a flange between the trunnion and blade portion is formed with weld metal to the desired hydraulic contour. As an additional embodiment, the blade portion may be composed of separate plate steel portions welded together.

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