Engineering
Depending on the weight and lot size required HARDTOP manufactures and supplies castings made of
- unalloyed, alloyed and high alloyed steel,
- wear-resistant alloyed cast iron and austenitic manganese steel,
- bimetals and composites,
- grey cast iron,
- non-iron based alloys such as aluminium, copper or bronze,
- as well as powder forged parts.
In order to provide this comprehensive range of products, we use modern installations, machines, tools and auxiliary resources. They include:
- Design and simulation
 3D CAD software Pro/ENGINEER as well as the mould filling and solidification simulation packages ProCast™ and NovaFlow & Solid CV,
- Pattern and mould design
 Traditional mould design as an external service as well as CNC milling for moulds and core boxes made of wood, synthetic resin and aluminium,
- Moulding and core-making shop
 Hand moulding and automatic moulding installations for moulding materials using bentonite and sodium silicate CO2 as a binder, as well as alpha set process,
- Melting operations
 Mid-frequency induction melting installations with a capacity of 300 kg to 4,000 kg and spectrometer,
- Blasting room
 Blasting, grinding and welding installations,
- Heat treatment
 computer controlled electric hardening and annealing furnaces,
- Quality management
 all processes and installations as described under “Quality”.



