Continuous casting was conceived in the 1860s and has since led to major improvements in efficiency, productivity, and cost reductions for metal production. The process involves cleaning and equalizing molten metal in a ladle before pouring it into a tundish where impurities are removed, then the metal travels through water cooled copper molds to begin solidifying as it moves downward along supported rollers. The key advantages are 100% casting yield due to no waste metal, an automatic and consistent process, and reproducible mechanical properties, though it requires significant floor space and cooling and is not suitable for small quantity production.

1. CONTINUOUS CASTING
THIRUNAVUKARASU.H
13MY12
PSG TECH KOVAI

2. • Continuous casting
– conceived in the 1860s
– major improvements in efficiency and productivity
and significant reductions in cost
– the molten metal in the ladle is cleaned and equalized
in temperature by blowing nitrogen gas through it for
5 to 10 min. The metal is then poured into a
refractory lined intermediate pouring vessel (tundish)
where impurities are skimmed off. The molten metal
travels through water cooled copper molds and
begins to solidify as it travels downward along a path
supported by rollers (pinch rolls)

5. advantages of continuous casting
• Sprue, runner, riser, etc. are not used. Hence, no waste
metal this leads to 100% casting yield.
• Process is automatic.
• Product has good consistent soundness.
• Mechanical Properties are high and very reproducible.

6. DISADVANTAGE
•Not suitable for small quantity production.
•Continuous and efficient cooling of moulds is
required, else, center-line shrinkage develops.
•Requires large floor space.