We prepare sand as per the ratio to action the shell mould cakes. Quality shells are obtained by the use of graded sand with the mixture of exact ratio. Shell mould sand are pre-heated and heated to the appropriate temperature to obtain the flawless...
Minimum Thicknesses : As low as 1.5mm (0.062 in) to 6.25mm (0.25 in)depending on the material
Size Limits : : 30 g to 12 kg (1 oz to 25lb)
The metal pattern is first heated at a temperature of 200 0 C 392 0 F.Then covered with a mixture of sand and thermo set plastic. It forms a skin of sand plastic mixture of about 3.5 mm (0.125 inch) which adheres to the pattern. The shell mold is...
Shell molding, also known as shell-mold casting is an expendable mold casting process that uses a resin covered sand to form the mold. As compared to sand casting, this process has better dimensional accuracy, a higher productivity rate, and lower...
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