Science, Maths & Technology
Melt casting
...centre toggles, bolts or small hydraulic units. Cycle times are dictated by freeze-off behaviour of polymer, as in injection moulding. Automation can be introduced by arranging moulds on a shuttle table or carousel. Once gate has frozen, extruder can be removed from mould and next mould indexed round. Moulds generally vented or evacuated to avoid back-pressure on the...