Technology Capabilities - VRL Praha a.s.

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Technology Capabilities

We offer production cooperation using our machinery and technologies – turning, heat treatment, grinding of functional surfaces or finishing work.

For your specific request for cooperation, please contact the sales department, who will determine the feasibility of your request.

Mechanical presses

Eccentric presses up to 50 tons for blanking (cutting) and bending of metal sheets up to 4 mm thickness

Lathes

Automatic multi spindle lathes for production from bars with leadthrough up to diameter 50 mm
Turret lathe HYUNDAY SKT 21LMS with CNC control and through-turning diameter up to 65 mm and counter-spindle
Turret lathes GOODWAY GLS 2000, GLS-2000M and GLS-150M with CNC control and through-turning diameter up to 51 mm

Tools and Machines for finishing

Honing machines for finishing the inner rings of spherical plain bearings in the diameter range 8-70 mm and max. ring width 30 mm
Face lapping machines max. ring diameter 65 mm and max. width 30 mm
Superfine grinding machines for finishing the raceways of rolling bearing outer rings in the diameter range 5-85 mm and max. ring width 32 mm
Superfine grinding machines for finishing the raceways of the roller bearing inner rings in the diameter range 5-20 mm and max. ring width 15 mm

Tools and machines for surface treatment

Tumbling rotary machine with open drum, 100 litres volume
Tumbling rotary machine with open drum, 300 litres volume
Ultrasound cleaning device
Sand blasting machine

Special tools

Automatic machine for the evaluation of noise level of bearings
Device for material demagnetization
Laser for labeling products

Air presses

Air presses up to 5 tons for assembly work

Grinding machines

Horizontal grinding machines for bores with a grinding diameter of up to 40 mm
Centerless horizontal grinding machines (centrless) for the external rotating surface with grinding diameters up to 125 mm (through grinding)
Surface grinding machines (double discs) with a grinding diameter of up to 65 mm and a grinding width of up to 30 mm
Grinding machines with CNC control: Plunge and oscillation grinding of external and internal rotating surfaces up to a maximum diameter of 60 mm (The grinding machines allow grinding wheel dressing using diamond dressing rollers.)
Grinding machines for the raceways of the rolling bearing inner rings with grinding diameter of the raceway max. 70 mm, outer ring diameter of the ring max. 80 mm and ring width max. 35 mm (plunge grinding)
Grinding machines for the raceways of the roller bearing inner rings with a grinding diameter in the range of 5-30 mm and a ring width of max. 20 mm (plunge grinding)

Heat treatment equipment

SAFED continuous electric quenching and tempering furnace with protective gas atmosphere

Other tools and machines

Drilling machines for drilling and reaming of bores up to 20 mm
Milling machines for horizontal milling of grooves with 0,5-10 mm width
Bolt cutters for cutting of inner metric threads in the extent of M3 – M20