design
TRANSCRIPT
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…