baja presión (n)

Unterdruck (m)

underpressure (n)

vacuum (n)

The castings fall out of the mould once the vacuum is released.

Air is extracted to create a vacuum in the mould cavity into which the moulding sand is fed.

Vacuum moulds are suitable for fast and cost-effective mould manufacture and for small-series to large-scale production.

压力不足 (n)

真空 (n)