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of the Ship Propeller Shaft by Burnishing Process which brings a problem in the shaft manufacturing process. In the literature [2,10], this process is known as the "jumping wave". High strength/stiffness tubes can be produced from carbon fibre reinforced plastics, Aramid fibre reinforced plastics, or hybrid laminates using a filament winding process. Such tubes are adaptable for the manufacture of power transmission shafts, e.g. automobile propeller shafts, with positive advantages over those in metal in terms of weight reduction and assembly. Step 4: Fixture Plate. The fixture plate for this process is an 8.4 inch square plate of 1 inch thick aluminum. There are two circular concentric hole patterns and a locating feature machined into the plate. One hole pattern consists of 10 ¼-20 UNC holes for the mounting of the support lobes. To properly choose a propeller we must first understand some of the basic nomenclature used to describe propeller geometry. Figure 1 is taken from Gilmer and Johnson, Introduction to Naval Architecture. Basic Nomenclature: Hub The hub of a propeller is the solid center disk that mates with the propeller shaft and to which the blades are attached. process makes it much easier to locate the counterweights and journals webs exactly where the designer wants them to be. This process required tooling like Lathe machine, Shaper, Precision Drills, Milling machine. Chart -4: Machining process for manufacturing crankshaft 1.2 Performance comparison of competing manufacturing techniques Aluminum Propeller Manufacturing Process SOLAS uses a state of the art squeeze casting process to make our aluminum propellers stronger and tougher than traditional die cast products. As shown below, with 400x magnification of a propeller blade root cross-section, the squeeze cast propeller is almost non-porous, with finer grain size than the die cast propeller. Hung Shen propellers are manufactured with high precision CNC milling machines. The CNC manufacturing fulfills the ISO484/2 Class-S standards, and enables the propeller to obtain the best efficiency with minimum vibration and noise. We offer several different propeller designs utilizing CNC precision machining in Bronze, NiBral and Stainless (a) Choose a shaft configuration to support and locate the two gears and two bearings. (b) Solution uses an integral pinion, three shaft shoulders, key and keyway, and sleeve. The housing locates the bearings on their outer rings and receives the thrust loads. (c) Choose fan-shaft configuration. WORK PROCESS Our Manufacturing Procedure Production Process Frequent refining of design based on customer feedbacks and sea trials, give rise to fuel efficient propellers with better durability and performance characteristics. Design and Pattern Making Moulding and Casting Quality Control Machining Grinding and Polishing Service and Maintenance Wärtsilä propeller solutions are designed for specific vessel need and operating profile to ensure that the propulsion system uses the energy as efficiently as possible and thereby reducing fuel consumption