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Gated Patterns

The gating system is part of the pattern, and eliminates hand-cutting the gates. Small quantities of castings result with this type of patterns. The gate is the channel or channels in a sand moGated Patternsld through which the molten metal enters the cavity left by the pattern. This channel can be made in two ways, one by cutting the channel or channels with a gate cutter, or by the pattern having a projection attached tothe pattern which will form this gate or gates during the process of ramming up the mold. If a pattern is made for a gate but not attached to a pattern but only placed against it while making the mold, this pattern is called a set gate pattern.

 





 
 
Patterns