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In resin bond cores, the core is baked at what temperature?(a) 275°F – 390°F(b) 375°F – 450°F(c) 485°F – 645°F(d) 775°F – 880°FThe question was posed to me by my college director while I was bunking the class.This question is from Types of Cores in chapter Core and Core Making of Casting-Forming-Welding I

Answer»

Correct choice is (b) 375°F – 450°F

To ELABORATE: For such types of operations, the core is KNOWN to be backed at a good amount of temperature. In resin bond CURES, the core is BAKED in the core box at a temperature range of 375°F – 450°F.



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