Question
Download Solution PDFGating ratios are indicated in which of the following orders?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
In casting gating ratio is defined as the ratio of Sprue area, Runner area and Ingate area
i.e. Gating ratio = Sprue area : Runner area : Ingate area
for, non-pressurized gating system ( the total cross-sectional area gradually increases from choke to ingate)
Gating ratio = 1 : 2 : 4
for, pressurized gating system (the total cross-sectional area gradually decreases from choke to ingate)
Gating ratio = 2 : 2 : 1
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