Mechanical Engineers: Help Designing a Solid Shaft

In summary, a mechanical engineer plays a crucial role in designing a solid shaft by using their knowledge of materials, mechanics, and design principles to create a shaft that can withstand required forces and loads while considering factors like durability, cost, and manufacturability. They determine appropriate dimensions through mathematical calculations, simulations, and testing and commonly use materials such as steel, aluminum, and titanium due to their high strength and stiffness, good machinability, and cost-effectiveness. Mechanical engineers also work closely with manufacturers to ensure successful production and face challenges such as balancing strength and weight, minimizing vibration and noise, and considering cost, durability, and environmental impact in their design.
  • #1
lilMissMindset
11
0
to my fellow mechanical engineers, please help me with some basic machine design problems.

a certain drive shaft rotating at 500 rpm transmits 200 hp to an 8 inch diameter gear. Design a suitable solid shaft for this application. the shaft is ductile. Design stresses are to be limited to σmax= 134 ksi and ζmax = 40 ksi
 
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  • #2
Is zeta max = 40 ksi supposed to be the limiting shear stress?

Anyway, figure out how much torque is to be transmitted by the shaft. Size the shaft using the max. torsional stress as a first cut.
 

Related to Mechanical Engineers: Help Designing a Solid Shaft

1. What is the role of a mechanical engineer in designing a solid shaft?

A mechanical engineer uses their knowledge of materials, mechanics, and design principles to create a solid shaft that can withstand the required forces and loads. They also consider factors like durability, cost, and manufacturability in their design.

2. How do mechanical engineers determine the appropriate dimensions for a solid shaft?

Mechanical engineers use mathematical calculations, computer simulations, and testing to determine the appropriate dimensions for a solid shaft based on the expected forces and loads. They also consider factors such as material properties and manufacturing limitations.

3. What materials are commonly used for solid shafts and why?

Common materials used for solid shafts include steel, aluminum, and titanium. These materials have high strength and stiffness, making them suitable for withstanding the forces and loads placed on a shaft. They also have good machinability and are cost-effective for manufacturing.

4. How are mechanical engineers involved in the manufacturing process of a solid shaft?

Mechanical engineers work closely with manufacturers to ensure that the design of the solid shaft can be successfully produced. They may provide detailed drawings and specifications, as well as oversee the manufacturing process to ensure the final product meets the design requirements.

5. What are some common challenges faced by mechanical engineers when designing a solid shaft?

Some common challenges faced by mechanical engineers when designing a solid shaft include balancing strength and weight, minimizing vibration and noise, and ensuring compatibility with other components. They must also consider factors such as cost, durability, and environmental impact in their design.

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