Railway Wheel-Sets
This unit provides production of axles, assembly and repair of wheel–sets for railway vehicles, including replacement of tyres, disc and gearing wheels, brake discs, installation of bearing boxes on axle journals, static balancing of solid and tyred wheels, and the prescribed tests.
The unit holds certification qualifying it for deliveries for Czech and Slovak Railways. More than 60-year long tradition with production of wheel–sets for diesel-electric locomotives, railway cars, suburb motor trains, pantograph units, tramway axles and mono-blocks, cars for steel production and prototypes.
Railway wheel–sets
– Production of new wheel–sets
– Repairs of wheel–sets (tyres, discs, brake discs, gear wheels)
Axles (for railway vehicles and tramways)
– Driving axles
– Common axles
– Disc-wheel axles
Tramway monoblock wheels
Tests of material and mechanical parts for identification of surface and internal defects by the following methods:
– ultrasound method
– capillary method
– magnetic powder method
– visual method
All tests are documented by the corresponding protocols in accordance with EN, ČSN.
Production parameters
Wheel diameter: 360 mm – 1 250 mm
Wheel track: max. 1 680 mm
Weight: max. 3 000 kg
Length: max. 2 400 mm
Diameter: max. 450 mm
Weight: max. 1 000 kg
Material: ČSN 11 558.1, ČSN 15 230.9, Os.L as per GOST 4728-79,
EA1N, EA4T as per EN 13261;
hot rolled round bar grade 15 230.9
External diameter: max. 1 250 mm
Weight: max. 1 000 kg
Rolled wheels: profile as per UIC – ORE, or based on agreement, material: as per EN 13 262 (UIC 812-3)
Cast wheels: material as per ČSN 42 2711, 42 2712, 42 2650, 42 2660, or based on agreement, any shape of the wheel (depending on the customer)
Tyred wheels: disc castings, material 20L, 25L as per GOST 977-75, 4491-86
up to a diameter of 900 mm, or based on agreement. Castings of material ČSN 42 2650,
ČSN 42 2660, external diameter 710 mm – 900 mm, any shape of the wheel
(depending on the customer)
External diameter: max. 1 250 mm
Material: rolled piece of quality grade as per UIC 810-1 or GOST 398-2010
External diameter: 650 mm – 710 mm
Rim width: 85 mm – 120 mm
Material: rolled piece of quality grade as per TM1 (12 063.7), or based on agreement.