Proposed methodology to allow bottom pour in a less than 400 kg ladle with steel thermal masses in Investment Shell Casting Process [ READ ]
Nilesh P. Vanikar, Dr.Prof. Shantipal S. Ohol, Tanay R. Anjikar
Bottom pour of certain metal alloys is used regularly in casting industries. Good quality castings are produces as optimization of parameters like pour height, metal flow and temperature range of pouring etc. can easily be achieved. Metal slag related issues are also avoided resulting in less inclusion defects. But this process is used only for large mass of metal (> 1100 kgs) due to various reasons. Solutions to come up with a smaller mass of metal (< 500 kgs) are discussed here to achieve same advantages as by bottom pour for large mass of specific metal alloys. Specific example for bottom pour using stopper rod for ASTM 351A/CFM 8 is discussed for experimentation in investment casting process based on these solutions.
Nilesh P. Vanikar, Dr.Prof. Shantipal S. Ohol, Tanay R. Anjikar
Bottom pour of certain metal alloys is used regularly in casting industries. Good quality castings are produces as optimization of parameters like pour height, metal flow and temperature range of pouring etc. can easily be achieved. Metal slag related issues are also avoided resulting in less inclusion defects. But this process is used only for large mass of metal (> 1100 kgs) due to various reasons. Solutions to come up with a smaller mass of metal (< 500 kgs) are discussed here to achieve same advantages as by bottom pour for large mass of specific metal alloys. Specific example for bottom pour using stopper rod for ASTM 351A/CFM 8 is discussed for experimentation in investment casting process based on these solutions.
