<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-58ZV457B" height="0" width="0" style="display:none;visibility:hidden"></iframe>SWL Series CNC Surface Wheel Lathe | Sahil Machines
Precision. Power. Performance.

SWL SERIES

CNC SURFACE WHEEL LATHE

The SWL Series CNC Surface Wheel Lathes are heavy duty railway wheel reprofiling machines designed for wheel set machining, wheel tread reprofiling, and brake disc turning applications. Built with a rigid cast iron structure and CNC automatic profiling capability, the machines deliver accurate wheel geometry, high productivity, and reliable railway maintenance performance.

Quick Technical Details

  • Wheel Diameter Capacity750 – 1250 mm
  • Maximum Axle Length2750 mm
  • CNC ConfigurationAutomatic Wheel Profiling
  • Main Motor Range22 kW to 2 × 55 kW
  • Cutting Speed Range25 – 80 m/min
  • Cycle Time Range14 – 60 Minutes
  • Accuracy StandardRailway Wheel Profiling Standards

Product Documents

Get all the technical details you need.

SWL Series CNC Surface Wheel Lathe

Full Technical Specifications | Sahil Machines • Railway Division

Make in India
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Machine Type-CNC Surface Wheel LatheCNC Surface Wheel LatheCNC Surface Wheel LatheCNC Surface Wheel Lathe
Application-Wheel Reprofiling & Brake Disc MachiningWheel Reprofiling & Brake Disc MachiningWheel Reprofiling & Brake Disc MachiningWheel Reprofiling & Brake Disc Machining
Structure-Heavy Duty Cast IronHeavy Duty Cast IronHeavy Duty Cast IronHeavy Duty Cast Iron
CNC Capability-Automatic ProfilingAutomatic ProfilingAutomatic ProfilingAutomatic Profiling
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Main MotorkW1 × 222 × 37.52 × 452 × 55
Cutting Speedm/min25 – 8025 – 8025 – 8025 – 80
Tool Post Feedmm/rev0.1 – 3.50.1 – 3.50.1 – 3.50.1 – 3.5
Tool Post Rapid Speedmm/min3000300030003000
Maximum Chip Cross Sectionmm²10162020
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Cycle Time / Wheel Setmin50 – 6016 – 1814 – 1614 – 16
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Maximum Tread Diametermm1250125012501250
Minimum Tread Diametermm750750750750
Wheel Widthmm75 – 14575 – 14575 – 14575 – 145
Maximum Axle Lengthmm2750275027502750
Maximum Wheel Set WeightkN50505050
Brake Disc Diameter Rangemm700 / 250700 / 250700 / 250700 / 250
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Difference in Diameter of Both Wheelsmm<0.5<0.3<0.15<0.15
Wheel Profile Accuracymm<0.3<0.2<0.2<0.2
Radial Runoutmm<0.3<0.3<0.2<0.2
Axial Runoutmm<0.3<0.3<0.2<0.2
Profile Surface Finishµm Ra<12.5<12.5<12.5<12.5
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Surface Finishµm Ra<2.5<2.5<2.5<2.5
Flatnessmm<0.1 / 100<0.1 / 100<0.1 / 100<0.1 / 100
Lateral Wobblemm<0.3<0.3<0.2<0.2
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Suitable Industries-Railways
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Typical Jobs-Wheelsets, Brake Discs, Wheel Hubs, Wheel Treads, Axle Ends, Hub Caps
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Wheel Set Handling-Auto Roll-in / Roll-outAuto Roll-in / Roll-outAuto Roll-in / Roll-outAuto Roll-in / Roll-out
Wear Measurement-ElectronicElectronicElectronicElectronic
Tool Post-CNC RigidCNC RigidCNC RigidCNC Rigid
Industry 4.0-AvailableAvailableAvailableAvailable
DescriptionUnitSWL 22SWL 37SWL 45SWL 55
Laser Measurement-OptionalOptionalOptionalOptional
Centralized Wheel Data Software-OptionalOptionalOptionalOptional
Turn Table for Direction Change-OptionalOptionalOptionalOptional
Brake Disc Machining Arrangement-OptionalOptionalOptionalOptional
Dust & Fume Extraction-OptionalOptionalOptionalOptional
Digital Camera Monitoring-OptionalOptionalOptionalOptional
Traverser Handling System-OptionalOptionalOptionalOptional

Application Components

  • Blank
  • Disc
  • Wheel
  • Wheelset

Machine Highlights

  • Automatic Wheel Profiling

    Advanced CNC automatic profiling system ensures accurate railway wheel reprofiling and geometry correction operations.

  • Heavy Duty Railway Construction

    Rigid cast iron machine structure designed for continuous railway workshop duty and vibration resistant machining performance.

  • High Productivity Wheel Machining

    Fast cycle times and dual drive systems improve wheelset maintenance efficiency across railway depots and workshops.

  • Flexible Automation Capability

    Supports laser measurement, wheel data software, brake disc machining systems, and Industry 4.0 connectivity solutions.

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Advanced Technology Options

  • Cnc Systems

    Siemens and Fanuc CNC systems with automatic wheel profile programming and Industry 4.0 integration support.

  • Railway Application Engineering

    Designed specifically for railway wheel reprofiling, wheelset maintenance, and brake disc machining operations.

  • Automation Options

    Laser measurement systems, wheel data software, traverser systems, and digital monitoring systems available.

  • High Productivity Machining

    Fast cycle times and automatic wheel handling systems improve workshop productivity and maintenance turnaround time.

Our Legacy

  • 60+

    YEARS OF LEGACY

  • 20+

    COUNTRIES SERVED

  • 5000+

    MACHINE INSTALLATIONS

  • 350+

    ENGINEERING EXPERTS

Frequently Ask Questions

Yes, laser measurement systems, wheel data software, traverser systems, and customized wheel profile packages may impact delivery schedules.