1. Introduction
The STAHLWERK CUT 50 P Digital is a compact IGBT inverter plasma cutter designed for precise cutting of conductive metals. This manual provides essential information for the safe and efficient operation, setup, maintenance, and troubleshooting of your device. Please read it thoroughly before initial use.
Image 1.1: The STAHLWERK CUT 50 P Digital Plasma Cutter with its included torch and various accessories.
Key features include a continuously adjustable cutting current from 15 to 50 A, HF pilot arc ignition for non-contact starting, and a THC interface for CNC height control. It is suitable for cutting steel, stainless steel, aluminum, copper, and titanium.
Image 1.2: Overview of the plasma cutter's main features and capabilities.
Image 1.3: The IGBT technology ensures increased efficiency with reduced power consumption.
2. Safety Instructions
Operating plasma cutting equipment involves inherent risks. Always prioritize safety to prevent injury or damage.
- Wear appropriate personal protective equipment (PPE), including welding helmet, gloves, and protective clothing.
- Ensure adequate ventilation in the work area to disperse fumes.
- Never operate the device in wet conditions or near flammable materials.
- Disconnect power before performing any maintenance or changing consumables.
- Refer to the official safety document for comprehensive guidelines: Safety Information (PDF).
3. Package Contents
Upon unpacking, verify that all the following components are included:
- 1 x STAHLWERK CUT 50 P Plasma Cutter
- 1 x Professional Plasma Hose Kit 3 meters with NS65 Torch
- 1 x THC Controller Cable
- 1 x 4-piece Plasma Accessory Kit (pre-assembled on the plasma torch):
- 1 x Plasma Nozzle
- 1 x Plasma Electrode
- 1 x Torch Cap
- 1 x Spacer
- 1 x 3-meter Ground Cable
- 1 x Protective Cover
- 1 x Teflon Tape
- 1 x Water Separator with Manometer and Snap-on Quick Connectors (device to water separator), including 4-piece connection kit
- 1 x Air Connection Hose with Snap-on Quick Connector 5 meters
Image 3.1: All components included with the STAHLWERK CUT 50 P Digital Plasma Cutter.
4. Setup Instructions
Follow these steps to set up your plasma cutter for operation:
- Connect the Air Supply: Attach the water separator to the air inlet on the rear of the device. Connect your compressed air supply to the water separator using the provided air connection hose. Ensure the air pressure is set correctly (refer to specifications).
- Connect the Plasma Torch: Attach the professional plasma hose kit with the NS65 torch to the designated connection points on the front panel.
- Connect the Ground Cable: Attach the ground clamp to the workpiece. Connect the ground cable to the negative (-) terminal on the front panel of the plasma cutter.
- Connect the THC Controller (Optional): If using with a CNC table, connect the THC controller cable to the dedicated THC interface on the device.
- Power Connection: Ensure the device is switched off. Connect the power cable to a suitable power outlet.
Image 4.1: Clearly accessible connection points on the front panel for comfortable operation.
5. Operating the Plasma Cutter
This section details the steps for operating your STAHLWERK CUT 50 P Digital plasma cutter.
- Power On: Switch on the plasma cutter. The digital display will illuminate.
- Adjust Cutting Current: Use the control knob to set the desired cutting current, continuously adjustable from 15 to 50 A.
- Monitor Air Pressure: The digital display shows the air pressure, which can be switched between PSI, BAR, KPA, and kg/cm². Ensure the pressure is optimal for your cutting task.
- Ignition Method:
- HF Pilot Arc: For non-contact starting, ideal for painted or slightly rusted surfaces.
- Contact Start: An alternative ignition method.
- Cutting Process: Position the torch over the workpiece. Activate the torch to initiate the plasma arc and begin cutting. Maintain a steady travel speed for clean cuts.
- Post-Gas Function: The adjustable post-gas feature ensures proper cooling of the torch after cutting, extending consumable life.
Image 5.1: The clear and intuitive digital display for current and pressure settings.
Image 5.2: Example of plasma cutting in progress, demonstrating the cutting arc.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your plasma cutter.
- Consumables: Regularly inspect and replace the plasma nozzle, electrode, torch cap, and spacer as they wear out. Worn consumables can affect cut quality and torch performance.
- Water Separator: Periodically drain any accumulated moisture from the water separator to ensure clean, dry air supply to the torch.
- Cooling System: The intelligent cooling system helps maintain optimal operating temperature. Ensure the air vents are clear of obstructions to allow proper airflow.
- Cleaning: Keep the device clean and free from dust and debris. Use a dry cloth for cleaning.
Image 6.1: The robust ST-Guard casing and high-performance cooling system contribute to durability.
7. Troubleshooting
If you encounter issues, consult this section before contacting support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No plasma arc | No power, ground clamp not connected, worn consumables, insufficient air pressure. | Check power supply, ensure ground clamp is secure, replace consumables, verify air pressure. |
| Poor cut quality | Worn consumables, incorrect cutting speed, incorrect current setting, improper air pressure. | Replace consumables, adjust cutting speed, adjust current, check air pressure. |
| Overheating indicator active | Extended use at high current, blocked air vents. | Allow the machine to cool down, ensure proper ventilation and clear air vents. |
For further assistance, please contact STAHLWERK customer support.
8. Technical Specifications
| Feature | Detail |
|---|---|
| Model | CUT 50 P Digital (Reference: 6930) |
| Cutting Current | 15 - 50 A (continuously adjustable) |
| Cutting Capacity (Steel ST37) | Up to 20 mm |
| Cutting Capacity (Stainless Steel V2A/V4A) | Up to 8 mm |
| Cutting Capacity (Aluminum) | Up to 5 mm |
| Ignition | HF Pilot Arc / Contact Start |
| Interface | THC for CNC control |
| Dimensions (L x W x H) | 44 x 20 x 35 cm |
| Weight | 9.5 kg |
| Material | Metal and Rigid Plastic |
| Protection Class | IP21S |
Image 8.1: Dimensions of the STAHLWERK CUT 50 P Digital Plasma Cutter.
9. Warranty and Support
STAHLWERK provides comprehensive support and warranty services for your plasma cutter.
- Warranty: This product comes with a 7-year warranty, reflecting STAHLWERK's commitment to quality and durability.
- Customer Service: Support is available on-site, by phone, and via email for any inquiries or technical assistance.
- Repair Service: An in-house workshop ensures quick and efficient repairs.
Image 9.1: STAHLWERK's commitment to extended warranty and comprehensive service.
For more information or to contact support, please visit the official STAHLWERK store: STAHLWERK Brand Store.
