In the low-pressure casting process, the liquid aluminium is filled into the mould from below with slight overpressure. This results in a very homogeneous mould filling. The castings are pressure-tight up to SF6*.
With this semi-automatic low-pressure casting process, even large aluminium castings weighing up to 80 kg can be produced efficiently with high quality and precision. This process is suitable for small to medium-sized series, from a weight of 300 g and a wall thickness of 6 mm.
*SF6 = This is a gas called sulphur hexafluoride, has about five times the density of air and is the most common insulating agent. It is often used as a protective gas in lines and switchgear to prevent sparking, as it can shield electrical fields much more effectively than air.
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