Design

Need

Task

Mechanical Design

Design is a combination of analysis and creative Thought

Good Designs are based on Excellent concepts and Properly Designed Details

Designer

You have to,

• Constantly learn• Get rid of fear• Appreciate ideas• Care about:

disassembly, maintenance, Welding, force amplification, P=T.ꙍ, shock, repeated load

• A good designer can predict how a machine would work before creating it.

Design Process

• Identification of Problem • Background Research• Goal Statement• Task Specification• Generate solutions• Analysis• Selection• Detailed Design• Prototyping and Testing• Production

IterativeDesign is

What to consider?

• Simplicity.

What to consider?

• Simplicity.

• Stability.

• Accuracy.

• Precision.

• Resolution.

Stress analysis and Deflection

Is all there is but yet not everything

Safety Factor

Power

• Indirect Power transfer

1. belts

2. gears

3. chain

• Direct Power Transfer

Coupling

Any Questions ….

Task

• Pneumatics, hydraulics, gear power transfer.

compare and why would you use one instead of another…