What is Pattern (Casting)?

Definition of Pattern:

Pattern is a replica of the required casting to be cast. Pattern is used to create a cavity in mold into which molten metal is poured during the casting process.

This pattern is used in sand casting process.

Material used for Patten:

• Wood
• Metal
• Plastic
• Thermocol
• Wax (In Special Case)
• Plaster of Paris (In Special Case)

Type of Pattern:

• Single Piece Pattern
• Split or two piece pattern
• Match plate pattern
• Cope & Drag Pattern
• Gated Pattern
• Sweep Pattern
• Skeleton Pattern
• Shell Pattern
• Loose Piece Pattern
• Flow Board Pattern
• Loose Piece Pattern
• Segmental Pattern
• Left & Right Hand Pattern
• Lagged-up Pattern
• Built Type Pattern

Pattern Allowances