Answer / anil kamat

Investment castings are similar to sand casting except that
intricate shapes which require to be done in a single piece
mould without ireggularities are done using this method. In
this the pattern is made using wax and then the the mould
is filled with sand around the wax pattern and the the
mould is baked untill the moisture is removed and the wax
evaporates and the cavity is formed . Then the molten metal
is poured into the cavity to get the desired shaped casting.

Answer / prashant

Investment Casting is also known as precision
casting.Following process being used for Investment casting.
1.Die Preparation (Aluminium Material)
2.Wax are injected in die thro'injection moulding process
(Temp of wax 60 deg)
3.Slurry preparation , 7-8 coat of slurry are provided
around wax pattern.24 hrs req for drying of sand
4.Then the given mould is subjected to biler for removing
wax from mould.
5.Heating of mould above 1000 deg (for strenghting
apllicatiaon of mould)
6.Material is poured in given mould

Answer / swathi

manufacturing of intricate and tiny components

What is a silver and deming drill bit?

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Explain a silver and deming drill brit?

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what is the strongest metal? How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? Define what is the cause of this?

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What is the specific heat value for solid ?

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What is d2?

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what are different grades of mild steel available for making machine structure (housing)

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What is iron ferrite?

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