About us

The production is focused on the production of castings from cast iron with lamellar graphite and spheroidal graphite cast iron, steel castings and artistic castings from various materials. We adapt appropriate techniques to the used materials to ensure their long-term quality.

Melting aggregates

Steel and ductile iron castings

Two electric arc furnaces – each with a capacity of max. 6 tons.
Medium frequency induction furnace – capacity of 0.5 tons.

Max. weight:

• Steel castings – max. 12 tons
• Castings of ductile iron – max. 10 tons

Grey iron castings

Two cupola furnaces – capacity of 12 tons / hour.

• Max. weight: 30 tons

Moulding

Hand-moulding shop

Self-hardening moulding mixtures
Regeneration of moulding mixture (3 tons per hour)

Frame sizes:

•  4 000 x 2 500 max.
• Ø 3 500 max.
• 6 000 x 8 000 caisson

Casting weight: 50 – 12 000 kg

Binders: Furan

Machine moulding shop

Bentonite moulding mixture

Frame size: 800 x 100 (300+300)
Casting weight: 5 – 200 kg
The machine moulding is done on the impulse moulding line GEORG FISHER, type GA 223 with a maximum output of 30 moulds per hour.
Binders: Bentonite

Cleening shop

Removing risers and sprues

• Pneumatic grinders
• Electric grinders

Steel castings

• cutting with oxy-acetylene torch and grinding

We use grinding manipulator “ANDROMAT” for the castings grinding.

Casting blasting

• Water chamber blaster
• Tumble blaster (3x)
• Chamber blaster (2)

Heat treatment

• 3 gas car-type furnaces
• Homogenization (1100 °C)
• Normalization
• Tempering

Roughing

Three vertical turning lathes with max. diameter of 3 m
Producer: ČKD BLANSKO

One horizontal boring machine with rotating table with max. diameter 2m × 2m
Producer: TOS VARNSDORF

Melting

We produce the fluid metal in the traditional manner in electric arc furnaces.

During the production of medium-alloy steel, high-alloy steel and COR 13,4 steel proceed we according to the applicable regulations.