1. INDUS INSTITUTE OF
TECHNOLOGY & ENGINEERING
DEPARTMENT OF
MECHANICAL ENGINEERING
Name : Keval Patel
Subject Code :
Subject Name : Machine Design And Industrial Drafting
B.E Mechanical Engineering , 1st Semester

2. Machine Design
• Creation of new and better machines and improving
the existing ones.
• Better machine is one which is more economical in
the overall cost of production and operation

3. Machine
design
New Adaptive Develop
design design design

4. General Considerations in Machine Design
 Type of load and stresses caused by the load.
 Motion of the parts or kinematics of the machine.
 Selection of materials.
 Form and size of the parts.
 Frictional resistance and lubrication.
 Convenient and economical features.
 Use of standard parts.
 Safety of operation.
 Workshop facilities.
 Number of machines to be manufactured.
 Cost of construction.
 Assembling.

5. General Procedure in Machine Design

6. Classification of materials

7. Material
Metals Non metals composites
Ferrous Non ferrous Plastics Glass fiber
Carbon
Cast iron Brass Glass
fiber
Steel Copper Rubber FRP
HSS Tin Ceramics
Alloy Steel Aluminum Wood

8. Physical Properties of Metals
• Colour
• Size
• Shape
• Density
• Electric conductivity
• Thermal conductivity
• Melting point
• Transparency

9. Mechanical Properties of Metals
• Strength • Toughness
• Stiffness • Machinability
• Elasticity • Resilience
• Plasticity • Creep
• Ductility • Fatigue
• Brittleness • Hardness

10. Any Questions
?
?
?
?