A)Why do you want to sast components as much as possible? Discuss this in relati

Question

A)Why do you want to sast components as much as possible? Discuss this in relation to other manufacturing processes, such as forging and cutting machining. B)Why do you want to cast components as much as possible? Discuss this in relation to other manutacturing processes, such as torging and gutting machinung. for example with forging C)What are the main constraints for casting processes in and cutting machining? D) What is the difference between solidification of a pure metal and an alloy? 1Which test method can you use to study, the solidification properties of a metal a) Cooling the material in a refrigerator shamber c) Reynold test 2.What shauld you think about the thickness of the goods to ensure good casting results? Why? 1S b)It should bave a large variety c)It should be homogeneaus 3.The melt velocity at the entrance to the precipitate is determined by: a) Melting temperature and viscosity b)The cross sectional area of the melting area c)The height of the pouring cup 4. What is the most likely cause of erosion of the cast channel in a sandy form? a)The flow rate of the melt is far too high b)The sand is not sufficiently compactly hammered c)The flaw rate of the melt is far too low

Explanation / Answer

A.

The advantages of casting include:

C.Dimensional accuracy s one of the parameters castings dont do well tan other processes like forging and machining, Sand casting's dimensional accuracy is less than that delivered by other processes and hence large tolerances are required in the case of castings.

Cost is the other parameter we need to look in case of Investment and die casting.While it is an economically viable option for large production runs, die cast parts' mechanical properties cannot be assured, resulting in these parts not having a structural function

D. a)During solidification, an alloy solidifies over a range of temperature while pure metal converts from liquid state to solid sate at a single temperature.

b) Moreover, pure metal composition remains constant throughout solidification process but the composition of alloy changes continuously.

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