Project 3
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Fall 2006 ME 363 Project 3 Due on 11/10/05 (Friday) 10:30 AM
You are required to decide on the parameters for the following parts
The bolt is 1.25 long x 0.25 dia. You are required to find out other dimensions for the hexagonal head. 2. The Washer and Nut are to be selected and modeled according to the bolt size. 3. Decide on a diameter of the shaft. 4. You also need to decide the dimensions of the inspection port on the top housing. 1.
You are required to submit: A soft copy of the project similar to the other projects Prints of all the parts on separate pages A one-page report on the design of shaft, inspection port, bolt, washers and nut. Note: Since the design is just conceptual, you need not to use equations.
The subsequent pages will help you design the impeller and the impeller housing. Some dimensions are provided below to give you an idea of the recommended size. 1. 2. 3. 4.
The flange thickness of the impeller housing is suggested around 0.5 inches. The flange width is suggested to be 1+ 3* bolt dia. The addition of the end flanges should not increase the length of the impeller housing. You need to decide on the clearance between the bolt and the hole.
To summarize, you are responsible to model the following parts: Impeller housing - dimensions given Impeller – dimensions given Hexagonal bolt – 1.25 x 0.25dia Washers Hexagonal Nut Shaft Once you have all the parts modeled, the last step is the assembly.
The final shape of the impeller bottom half is shown above. Blend the edges highlighted by “Radius”. You may want to accept the 1.0 Radius as shown or decide on your own. In each case you need to mention about that in the report. Make a circular array of the holes as shown below.
Use the suggested dimensions for the flange thickness and width.
Impeller: Note the dimensions for the impeller.
Create the center plane for sketching the impeller blade as shown below:
You are required to decide on the parameters for the following parts
The bolt is 1.25 long x 0.25 dia. You are required to find out other dimensions for the hexagonal head. 2. The Washer and Nut are to be selected and modeled according to the bolt size. 3. Decide on a diameter of the shaft. 4. You also need to decide the dimensions of the inspection port on the top housing. 1.
You are required to submit: A soft copy of the project similar to the other projects Prints of all the parts on separate pages A one-page report on the design of shaft, inspection port, bolt, washers and nut. Note: Since the design is just conceptual, you need not to use equations.
The subsequent pages will help you design the impeller and the impeller housing. Some dimensions are provided below to give you an idea of the recommended size. 1. 2. 3. 4.
The flange thickness of the impeller housing is suggested around 0.5 inches. The flange width is suggested to be 1+ 3* bolt dia. The addition of the end flanges should not increase the length of the impeller housing. You need to decide on the clearance between the bolt and the hole.
To summarize, you are responsible to model the following parts: Impeller housing - dimensions given Impeller – dimensions given Hexagonal bolt – 1.25 x 0.25dia Washers Hexagonal Nut Shaft Once you have all the parts modeled, the last step is the assembly.
The final shape of the impeller bottom half is shown above. Blend the edges highlighted by “Radius”. You may want to accept the 1.0 Radius as shown or decide on your own. In each case you need to mention about that in the report. Make a circular array of the holes as shown below.
Use the suggested dimensions for the flange thickness and width.
Impeller: Note the dimensions for the impeller.
Create the center plane for sketching the impeller blade as shown below:
