APPLICATION OF AutoCAD IN MECHANICAL TECHNOLOGY

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• Q1: What is the Mechanical Structure in AutoCAD?
  Ans: Mechanical Structure in AutoCAD refers to the arrangement of mechanical components like shafts, gears, springs, and chains in a drawing.
  It helps in designing machines and mechanical systems.
• Q2: Name the standard parts of the mechanical structure.
  Ans: Standard parts of mechanical structure are:

  • ➔ Shafts
  • ➔ Gears
  • ➔ Bearings
  • ➔ Springs
  • ➔ Chains
  • ➔ Belts
• Q3: What are the advantages of using the standard parts?
  Ans: Advantages of using standard parts:

  • ➔ Saves design time
  • ➔ Easy to replace
  • ➔ Cost-effective
  • ➔ Easily available in market
  • ➔ Ensures accuracy and reliability
• Q4: What are Chains/Belts? Name the command of CAD involved in it.
  Ans: Chains and Belts are used to transmit power from one shaft to another.
  The CAD command used is Chain/Belt Generator.
• Q5: How do you insert Chain and Belts in a CAD Drawing?
  Ans: Steps to insert Chains/Belts:
  ➔ Open Mechanical Toolbox
  ➔ Select Chain/Belt option
  ➔ Choose type and size
  ➔ Specify points or shafts
  ➔ Place it in the drawing
• Q6: What are Springs? Name the command of CAD involved in it.
  Ans: Springs are mechanical components used to store and release energy.
  The CAD command used is Spring Generator.
• Q7: Write three applications of Torsion Springs.
  Ans: Applications of Torsion Springs:

  • ➔ Door hinges
  • ➔ Cloth clips
  • ➔ Garage doors
• Q8: State the advantages of Chain drive over a Belt drive.
  Ans: Advantages of Chain drive over Belt drive:

  • ➔ No slipping
  • ➔ More efficient power transmission
  • ➔ Longer life
  • ➔ Can work in harsh conditions
• Q9: What are Shafts and Axles? Name the command of CAD involved in it.
  Ans: Shafts and Axles are rotating machine elements used to support and transmit motion.
  The CAD command used is Shaft Generator.
• Q10: What are the standard sizes of shafts?
  Ans: The standard sizes of shafts are 5m, 6m and 7m.