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Aluminium alloy castings

When manufacturing aluminum castings, we can offer you a wide range of materials and production technologies including machining.

Hand moulding

Casting into moulds using bentonite bonded mixtures

Moulding shop:

  • green casting using bentonite bonded mixtures; size of moulding frames depends on the casting size, up to 1500x1500x300 mm

Weight of manufactured castings:

  • from approx. 0,5 kg to approx. 600 kg

Machine moulding

Casting into moulds using bentonite bonded mixtures

Moulding shop:

  • two pairs of Foromat 20 moulding machines, size of flasks in use 350x450x100/120 mm, 400x450x100 mm, 500x500x120/120 mm, 400x600x120/120 mm

Weight of manufactured castings:

  • from approx. 0.05 kg to approx. 10 kg

Gravity die casting

Gravity die casting for all casting works

Smelting shop:

  • 10 electric resistance holding furnaces, approx. 250 kg of smelt/furnace

Mould stools:

  • 12 mould stools with hydraulic actuators

Weight of manufactured castings:

  • from approx. 0,20 kg to approx. 40 kg

Common parameters

Aluminium alloy processing:

ČSN Mark DIN Another mark
42 4331 AlSi10MgMn 1725/2 (73)-239 EN AC-AlSi10Mg
42 4331.7 AlSi10MgMn 1725/2 (73)-239, wa –
42 4384 AlSi10CuMn 1725 –
42 4330 AlSi12Mn 1725 Blatt 2 -230 EN AC-AlSi12Mg
42 4330.7 (doleg.) AlSi12MgMn 1725 Blatt 2 –230, wa –
42 4334 AlSi7Mg0,3 – EN AC 42100
42 4339 AlSi8Cu3Mn 1706 – 226 TGL 6556/2(78)

Smelting shop (Morgan furnace):

  • four tilting gas furnaces with max. output 4 x 600 kg/hour
  • four tilting gas furnaces with max. output 4 x 750 kg/hour

Core shop:

  • hand moulding of cores (large ones – alphaset, small ones – acrylate)
  • 1 blower/2 litres, 1 blower/6 litres, 2/blowers 15 litres (carbon dioxide hardened acrylate)
  • Cold-Box core shooting machine Laempe 10 litres/one shot (amin)