Dummy bars are usually of different types according to their design. These are
(i) rigid dummy bars,
(iii) dummy bars with movable parts (chain type – Flexible Type).
Rigid Dummy Bar – Arc Radius Continuous Casting Machine
The dummy bar will be used to transfer the needed pull to the heat slab, and envelop the crystallizer from the underside when casting begins.
The dummy bar is used to seal the bottom of the mould when each casting begins, in order to pour steel inside it. With the special head shape, the dummy bar is also used to extract the partly solidified steel in the mould down to the withdrawal & straightening unit.