Reduce machining cast
Save the time of casting
Avoid mistake in casting
Easy to prepare the pattern
Core
Fillet
Fillet iron
Pattern allowance
Simplest of pattern
Large number of casting
Limited number of casting
Commonly used for casting small pulley
Gated pattern
Sweep pattern
Loose piece pattern
Cope and drag pattern
Detail of pattern hand tool
Complete details of pattern
Detail of process the casting
Detail of moulding temperature