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13. Describe the process steps in sand casting? Compare to die casting, what are some major...

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Mechanical Engineering

13. Describe the process steps in sand casting? Compare to diecasting, what are some major advantages and disadvantages of sandcasting? 14. A large steel sand casting shows the characteristicsigns of penetration defect – a surface consisting of a mixture ofsand and metal. (a) What steps can be taken to correct the defects?(b) What other possible defects might result from taking each ofthese steps? 15. Using an explicit sketch to illustrate anddescribe the process steps in investment casting. What are theadvantages and disadvantages of investment casting over sandcasting? 16. What are some the operations required in sand castingafter the casting is removed from the mould?

17. What are the most common metals used in die casting?

18. Which die-casting machines usually have a higher productionrate, hot-chamber or cold-chamber?

19. What is the difference between true centrifugal casting andsemicentrifugal casting?  

Answer & Explanation Solved by verified expert
3.9 Ratings (616 Votes)
13 Before going know theprocess of sand casting first we discuss about casting Casting isprocess which is useful to create a Replica of our physical modelwith small dimension chanes which is greater to original onebecause it needs machine operationsSteps Involved inSand Casting1 Prepare a modling sand based up on our requirement withstandard composition let us take green sand Silica sandparticlesClayWater2 Place the drag on flat surface and put the Pattern ondrag3 Pour the green sand on the drag slowly and ramming the sandslowly with wooden hammer4Fill the Drag box fulley and Remove the    See Answer
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