Features Required

1
Features Required

• Mechanical Property
• Size variation
• Corrosion
• Impact

2
Materials

• Mechanical Properties Size? Ferrous material

Cast Iron
Ductile kind (due to 15 elongation)
Cast Steel
Process

• Size and shape?Casting
• Product Size? expendable-mold Sand casting
• Cores used for interior channels while casting

3
Heat Treatment

• Wide variation in section size? Complex residual
  stresses and variability of properties
• Relax stresses achieve uniformity? Heat
  treatment
• Properties not extremenly demanding? Annealing
  and Normalizing are good
• Replaceable Jaw? Need higher hardness? Quench
  temper heat treatment process

4
Surface Treatment

• Paint?to prevent corrosion
• - Adhesion durability (resistance to
  various oils solvents) wd be selecting
  conditions
• Sand Blasting? Cleaning producing roughness for
  enhanced adhesion