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Write the steps about the procedure of finding casting defects in deatils at least five steps? Typed...

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Mechanical Engineering

Write the steps about the procedure of finding casting defects indeatils at least five steps?
Typed only!

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3.6 Ratings (382 Votes)
Step 1 Identify the Defect Foundry personnel have a tendency to identify a defect based on cause like slag defect or sand inclusions While this is an acceptable method after the diagnosis is done defects be classified based on appearance rather than cause Step 2 Experimental Design When the castings were poured with the manual ladles the frequency of inclusion defects was very low When the castings were poured with the automatic pouring system the frequency of inclusion defects was very high Also it was observed that on a same day at the same time under similar sets of green sand parameters frequency of the inclusion defects was still higher with the automatic pouring system compared to manual pour This would suggest that metal and molding sand were not primary causes of defect For this reason no trials were run with modified base iron metallurgy or modified molding sand properties Instead CWC focused on studying the pouring temperature pouring time and method Mgtreatment and inoculation method tablet in manual pour instream in automatic pouring unit Table 1    See Answer
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