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Rigid Dummy Bar
Rigid dummy bar is basically known for its commendable ability of sealing the bottom part of the mold when each and every casting begins, so that steel can easily be pored into it. With the special head shape, this bar is used to extract the partly solidified steel inside the mold til the bottom part in order to withdraw & straighten the unit. The product offered by the company is a radius of curvature that is equal to the casting radius. Also, the strength and rigidity of the Rigid dummy bar is appreciable.
| At the start of a cast the rigid dummy bar head closes the mould. |
After start the driven bar leads the hot strand through the cooling chamber and withdrawal/ straightening unit.
In dummy bar storage respectively inserted in mould
| Rigid, curved type, made of several segments bolted with reamed bolts, front end machined to fit transition piece |
Rigid and sturdy construction of arc
Segments can be individually exchanged in case of damage
Short restranding time
No obstacles exist (roller aprons, supports) in cooling chamber, therefore free access and perfect undisturbed spray pattern to hot strand
Restranding during casting of individual strands is possible.