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Which of the following molding methods have the highest production rate?(a) Squeezing(b) Jolt and squeezing(c) Jolting(d) Sand slingingI got this question at a job interview.Query is from Methods of Ramming Mold Boxes topic in section Mold and Mold Making of Casting-Forming-Welding I

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Right OPTION is (c) Jolting

To explain I would SAY: In jolting, we only need to take the mold to a certain height and then drop it. Thus highest production rate of the is achieved. Sand slinging requires more time as it is a repetitive PROCESS. Jolt and squeezing combines both jolting and squeezing hence will take more time than jolting. In squeezing, we need to keep the force for a certain time which REDUCES the production rate.



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