Dual Tool Post Machining
Simultaneous dual side machining capability improves productivity and reduces railway wheel maintenance cycle times.
PWL SERIES
The PWL Series CNC Portal Wheel Lathes are heavy duty gantry type railway wheel machining systems designed for wheel reprofiling, wheel set machining, brake disc turning, and depot maintenance operations. Built with a rigid portal structure and dual tool post configuration, the machine delivers high productivity, accurate wheel profiling, and efficient railway maintenance performance.
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Full Technical Specifications | Sahil Machines • Railway Division

| Description | Unit | Value |
|---|---|---|
| Model | - | PWL Series |
| Product Name | - | CNC Portal Wheel Lathe |
| Brand | - | Suraj |
| Machine Type | - | Portal Type CNC Wheel Set Machining Lathe |
| Structure | - | Heavy Duty Gantry / Portal Construction |
| Application | - | Railway Wheel Reprofiling, Wheel Set Machining, Brake Disc Turning, Depot Maintenance |
| CNC Capability | - | Dual Tool Post CNC Profiling Machine |
| Description | Unit | Value |
|---|---|---|
| Main Motor Power | kW | 2 × 55 |
| Cutting Speed | m/min | 25 to 80 |
| Drive Type | - | AC Vector / Servo Controlled |
| Continuous Duty | - | Heavy Duty Production Rated |
| Description | Unit | Value |
|---|---|---|
| Feed of Tool Post | mm/rev | 0.1 to 4 |
| Rapid Traverse X & Z Axis | mm/min | 4500 |
| Chip Cross Section (Profiling) | mm² | 32 – 50 |
| Number of Tool Posts | Nos | 2 |
| Tool Operation | - | Simultaneous Dual Side Machining |
| Description | Unit | Value |
|---|---|---|
| Cycle Time per Wheel Set | min | 8 – 12 |
| Automatic Cycle | - | Included |
| Fast Changeover | - | Included |
| Description | Unit | Value |
|---|---|---|
| Tread Diameter Range | mm | 750 – 1250 |
| Wheel Width | mm | 75 to 145 |
| Axle Length Range | mm | 1850 – 2750 |
| Maximum Weight of Wheel Set | kN | 50 |
| Brake Disc Machining Diameter Range | mm | 250 to 700 |
| Description | Unit | Value |
|---|---|---|
| Wheel Profiling Accuracy | mm | <0.15 |
| Profile Surface Finish | µm Ra | <12.5 |
| Brake Disc Surface Finish | µm Ra | <2.5 |
| Surface Flatness | mm | <0.1 / 100 mm |
| Lateral Wobble | mm | <0.2 |
| Description | Unit | Value |
|---|---|---|
| Controller Options | - | Siemens / Fanuc |
| Programming | - | Automatic Wheel Profile Programs |
| Connectivity | - | Industry 4.0 / Remote Diagnosis |
| Operator Interface | - | HMI Touch Screen |
| Description | Unit | Value |
|---|---|---|
| Pre & Post Measurement Probing System | - | Included |
| Automatic Loading & Unloading | - | Included |
| Dual Tool Post Machining | - | Included |
| Machine Enclosure with Cameras | - | Included |
| Calibration Wheel Set | - | Included |
| Chip Conveyor | - | Included |
| Chip Crusher | - | Included |
| Hydraulic Power Pack | - | Included |
| Lubrication Unit | - | Included |
| Coolant System | - | Included |
| Description | Unit | Value |
|---|---|---|
| Brake Disc Machining Arrangement | - | Optional |
| Laser Measurement System | - | Optional |
| Wheel Data Logging Software | - | Optional |
| Barcode / RFID Tracking | - | Optional |
| Additional Wheel Profiles | - | Optional |
| Description | Unit | Value |
|---|---|---|
| Supply Voltage | - | 415V, 50Hz, 3 Phase |
| Electrical Panel | - | Air Conditioned Optional |
| Description | Unit | Value |
|---|---|---|
| Suitable Industries | - | Railways |
| Description | Unit | Value |
|---|---|---|
| Typical Jobs | - | Wheelsets, Brake Discs, |
Simultaneous dual side machining capability improves productivity and reduces railway wheel maintenance cycle times.
Rigid gantry structure provides excellent machining stability and vibration resistance during wheel profiling operations.
Automatic wheel profile programs ensure accurate and repeatable railway wheel reprofiling operations.
Integrated probing, loading systems, chip handling, and automation features support continuous railway maintenance operations.
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YEARS OF LEGACY
20+
COUNTRIES SERVED
5000+
MACHINE INSTALLATIONS
350+
ENGINEERING EXPERTS
Standard delivery timelines for the PWL Series generally range from 28–40 weeks depending upon machine configuration and optional accessories.