Explain the cushion materials which used in moulding sand, Mechanical Engineering

Assignment Help:

Q. Explain the Cushion Materials which used in moulding sand?

These materials when added to the moulding sand burn and from gases when the molten metal is poured into the mould cavity. This gives rise to space for accommodating the expansion of the sand at the mould cavity surface. Wood flour, cereals, cereal hulls and cellulose etc. discussed above are called as 'Cushion materials'.


Related Discussions:- Explain the cushion materials which used in moulding sand

Dust collector, Dust Collector:             Dust collector system is to...

Dust Collector:             Dust collector system is to collect the blast burrs or waste particle created during the blasting process. During the blasting process, this dust co

Determine the parameter - larson-miller parameters, Determine the parameter...

Determine the parameter - Larson-Miller parameters: Larson-Miller parameters for an alloy at tests levels 10 MP a and 30 MP a are determined respectively as 18 × 10 4 and 1

Beams, determine the shear force and bending moments of 4KN fprce

determine the shear force and bending moments of 4KN fprce

Determine the number of steel and bronze disks, Choose a wire rope for a ve...

Choose a wire rope for a vertical mine hoist to lift a load of 55 KN from a depth 300 meters. A rope speed of 500 meter/min is to be attained in 10 seconds. A multi -disk clutch

What are methods used in rating for time study, a)What are methods used in ...

a)What are methods used in rating for time study. Illustrate them. b) Write down principles of motion economy.

First law for closed system undergoing cycle, First Law for closed system u...

First Law for closed system undergoing cycle: In accordance to first law, when a closed system undergoes thermodynamic cycle, the net heat transfer is equal to network transfe

What could be the characteristics of tool materials, (a) What could be the ...

(a) What could be the characteristics of tool materials. (b) Describe several tool materials with their composition.

Flux cored arc welding, Flux Cored Arc Welding Single Pass F illet Weld...

Flux Cored Arc Welding Single Pass F illet Welds upto (8.0 mm) maximum and groove welds made with a single pass or a single pass each side, may be made using an E70T-X electrod

Queuing model, ppt of applying queuing model in railway reservasion

ppt of applying queuing model in railway reservasion

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd