Processing method of 3 degree bevel wind turbine wheel hub

Introduction Processing method of 3 degree bevel wind turbine wheel hub 1. It is generally better to use ductile iron wind turbine hub material. After the wheel hub is cast, it should be physically and chemically inspected and the casting blank should be free of crack

Processing method of 3 degree bevel wind turbine wheel hub

1. Ductile iron is generally preferred as the hub material of wind turbines. Once the hub is cast, it must be inspected physically and chemically. The casting blank should not have cracks, shrinkage cavities, shrinkage porosity, blisters and the like. casting defects.

2. Measure the actual distance between the longitudinal axis of the wheel hub and the upper surface of the spindle from the marking platform, and calculate the machining allowance together with the machining allowance of the upper spindle and lower. surfaces; use the upper and lower pin blanks. Use the outer circle or rough hole as a rough reference to find the center line of the pin hole, then use the center line as a reference for the top and bottom parts to draw the distance lines between the center line and the three mounting surfaces of the blade. The distance between this ligne and the blank blade mounting surface is For the machining allowance of the blade mounting surface, check whether the machining allowance on the mounting surfaces of the three blades is uniform. deviation in the machining allowance, adjust it one by one until the machining allowance of the three blade mounting surfaces is uniform.

3. Alignment data for vertical lathe processing typically uses a drawn flat line.

4. After the processing of the vertical lathe is qualified, the processing of the three main mounting surfaces of the blade is completed by CNC boring machine. The marking deviation is checked using the programming of the CNC boring machine, and all three. The main mounting surfaces of the blade are precisely processed. Exact size is guaranteed by tooling fixtures and CNC programming. Calculate the center line in the Y direction of the three main mounting surfaces de the blade according to the data on the positioning seat, then divide it into three equal parts at 120° in the horizontal direction of the blade mounting surfaces to determine the equally divided positions of the three main blade mounting surfaces.

4. After the hole of the main shaft of the wheel hub and the three main mounting surfaces of the blades are processed, the screw holes on the mounting surfaces in other directions are generally processed using drilling devices. The positioning is precise and. position and size are fully guaranteed. After mechanical processing is completed, all exposed burrs and sharp corners should be polished smooth and flat.

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