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DLR/DHD

UNDERFLOOR WHEEL LATHE FOR PASSENGER TRAINS

Specifically designed and manufactured to reprofile wheelsets mounted on a train or bogie, as well as single wheelsets.
  • DLR (single and tandem version | max. axle load: 19.84 short tons) for: metro, tram, commuter, high-speed
  • DHD (single and tandem version | max. axle load: 33.1 short tons) for: commuter, locomotive, high-speed
See this machine in action
Technology
When it comes to quality, every detail matters
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Full cast iron machine structure
  • Better long-term stability than fabricated steel
  • Vibration damping
  • Handles temperature variations
Cross slide assemblies

Incorporates tool holders and measuring devices. Accurate and reliable linear guideways.

 Measuring system

Specialized system for measuring wheel diameter and wheel profile geometry. Compact design integrated in a single measuring head. Retractable to protect against chips during machining.

Wheel drive system
  • Four wheel drive rollers with hydraulic lift
  • Continuous contact between the roller and the wheel
  • Vibration absorption
Axial guiding system
  • Two guide rollers to maintain the axial position of the wheelset
  • Hardened steel rollers
  • Automatically controlled position
  • Automatically lubricated
Technology
A machine designed for sustainability and easy installation
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Reduce your installation time

Optimized pit design enables fast machine installation.

Access & maintainability

Maximized accessibility and comfortable ergonomics for the operator.

Optimized layout and pit configuration

Minimized required changes to your facility.

Customization
Customize the DLR/DHD
Turning operations
  • Measuring (1) (6)
  • Wheel profile (2)
  • External faces (3)
  • Wheel mounted brake-disc facing (4)
  • Axle mounted brake-disc facing (5)
  • Externally mounted axle-boxes
  • Internally mounted axle-boxes
  • Between centers
  • And more
Clamping system mb
Technical data
DLR/DLR (tandem) DHD/DHD (tandem)
Track gauge mm 1000/1676 1000/1676
Min. / max. wheel diameter mm 375/1400 375/1400
Profile width mm 75/150 75/150
Max. axle load kg 18000 30000
Main drive power kW 4 x 9 4 x 15
Chip section mm2 6 10
Machine weight kg 18000 18000
Wheel Ø difference (wheelset) mm < 0,1 < 0,1
Wheel Ø difference (bogie) mm < 0,3 < 0,3
Radial runout mm < 0,1 < 0,1
Lateral runout mm < 0,2 < 0,2
Wheel profile geometry mm < 0,2 < 0,2
DLR/DLR (tandem) DHD/DHD (tandem)
Track gauge in 40/60 40/60
Min. / max. wheel diameter in 14.76/55.11 14.76/55.11
Profile width in 3/5.9 3/5.9
Max. axle load Short tons 19.84 33.1
Main drive power hp 4 x 12.07 4 x 20
Chip section in2 0.0093 0.015
Machine weight lb 39700 39700
Wheel Ø difference (wheelset) in < 0.0039 < 0.0039
Wheel Ø difference (bogie) in < 0.0118 < 0.0118
Radial runout in < 0.0039 < 0.0039
Lateral runout in < 0.0079 < 0.0079
Wheel profile geometry in < 0.0079 < 0.0079
Workpieces

Wheelset

Service
We offer services to keep your DLR/DHD in its best condition
  • Yearly preventive maintenance, calibration, and customized plans managed by a seasoned team
  • Engineering and process development: Select the proper clamping and tooling solution for your new part
  • We are prepared to assist you remotely. We respond and manage your request worldwide

 

 

DLR/DHD
ESTARTA
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