Feeder-compactor for automatic moulding sand - has an air injector, supports, moulding box and hydraulic cylinder

摘要

The compactor comprises a sand hopper, a bottom frame, a moulding box, on a rolltrain, and a general support. To increase efficiency, a bottom support carries a pattern plate and incorporates a hydraulic cylinder with a platform. An annular chamber with a valve, supplies air to an injector.