Technology

Metal melting

  • 2x150kg - middle frequency cup furnace INDUCTOTERM (melting of ferroalloy)
  • 1x500kg - middle frequency cup furnace INDUCTOTERM (melting of ferroalloy)
  • 1x150kg - resistance furnace on Cu alloy LAC (melting of non-ferrous metals)
  • 1x180kg - resistance furnace on Al alloy ELSKLO (melting of non-ferrous metals)
  • 1x500kg - resistance furnace on Al alloy ELSKLO (melting of non-ferrous metals)

Metal modification methods during production SGI

  • SANDWICH - ordinary production
  • IN MOLD - during development of technology for order
  • WIRE - during technology for order

Moulding

  • chemical hardened moulding mixture on the basis of alkalical phenols
  • preparation of mixture is made in 2 continual mixers GM4 by MET /GB/ with hourly capacity of 2 x 4t mixture.
  • moulding is done  for wooden, plastic and mettalic models 
  • “LOST FOAM” method is applied to single-part and special production

              Foundry is fitted up with reclamation unit MET /GB/ with hourly capacity of 4t regenerat.

Cores production

  • COLD BOX AMIN method
  • cores on the basis of ALKALIC FENOLS HARDENED by CO2

Heat treatment

  • annealed furnace up to 1100 ° C

              Stress releaving, feritisation annealing, remove of cementite annealing is done for iron.

              Soft annealing, normalization, heat treatment, tempering is done for steel.

Surface quality

  • grinding, shot blasting, if required-primed

Castings weight

  • 0.1 - 450kg

Castings size

  • not limited, castings are mostly formed in wodden separable boxes, which are the parts of the patterns

Testing and certifications

  • all mentioned tests are provided by independent certificated laboratory MŽ a.s. Olomouc
  • chemical composition of metal - spectometer LECO,chemical lab
  • mechanical tests - Rm.Rp0.2. A5.HB.KC
  • metalgraphical analysis
  • non-destructive tests - X- ray, ultrasound
  • dimensional tests - 3-coordinate measure machine OPTON

Pattern production

  • external made
  • CAD -CAM for model construction and its manufacture
  • wooden, metal and plastic patterns and core boxes