Description
Industrial CNC Tube Laser Cutter LT240 – 2KW High-Precision Fiber System
The LT240 CNC Tube Laser Cutter represents the pinnacle of medium-to-heavy duty industrial tube processing. Engineered for high-volume production environments, this 2KW fiber laser system is specifically designed to handle tube diameters up to 240mm with uncompromising accuracy. The machine integrates a high-speed pneumatic chuck system, advanced EtherCAT-based CNC control, and a rigid, heat-treated machine bed to ensure long-term stability in 24/7 manufacturing cycles.
Designed for sectors such as automotive chassis manufacturing, agricultural machinery, fitness equipment, and structural steel fabrication, the LT240 eliminates the need for traditional sawing, drilling, and milling. By consolidating multiple processes into a single automated cycle, the LT240 significantly reduces labor costs while increasing throughput. The 2000W fiber laser source provides the optimal balance of cutting speed and edge quality for carbon steel, stainless steel, and aluminum profiles.
Advanced 240mm Automatic Pneumatic Chuck System
The heart of the LT240 is its dual-chuck pneumatic system. Unlike manual or hydraulic alternatives, the LT240 utilizes high-speed, self-centering pneumatic chucks that provide consistent clamping force across a wide range of wall thicknesses. The 240mm aperture allows for the processing of oversized round, square, and rectangular tubes, as well as specialized profiles like H-beams and U-channels.
The front and rear chucks are synchronized via a high-precision gear and rack system, ensuring that the tube remains perfectly centered during high-speed rotation. This synchronization is critical for maintaining tight tolerances on complex geometries, such as interlocking joints or angled miters. The automatic adjustment feature allows the operator to switch between different tube sizes via the software interface, reducing setup times from minutes to seconds.
2KW Fiber Laser Source and Optical Path Stability
The LT240 is equipped with a 2000W industrial fiber laser source (available in IPG or Raycus configurations). Fiber laser technology offers a wall-plug efficiency of over 30%, significantly higher than CO2 counterparts, leading to lower operational costs. The 2KW power rating is optimized for high-speed nitrogen cutting of stainless steel up to 6mm and oxygen cutting of carbon steel up to 16mm.
To maintain beam stability, the machine utilizes a high-performance cutting head with autofocus capabilities. The autofocus sensor adjusts the focal position in real-time based on the material’s surface deviations, ensuring consistent kerf width and preventing dross formation. The optical path is fully enclosed and pressurized with filtered air to prevent dust contamination, extending the lifespan of the protective windows and collimating lenses.
Zero-Tailing Technology and Material Utilization
Material waste is a primary concern in tube fabrication. The LT240 addresses this through an optimized “zero-tailing” or “ultra-short tailing” mechanical design. By allowing the rear chuck to pass through the front chuck or utilizing a specialized three-chuck configuration (optional), the system minimizes the unusable portion of the tube at the end of the production run. In standard configurations, the LT240 achieves a tailing length as short as 40mm-80mm, depending on the profile geometry.
This efficiency is further enhanced by the integrated nesting software. The software calculates the optimal arrangement of parts on a single length of raw material, accounting for the kerf width and the mechanical limits of the chucks. For high-volume manufacturers, the reduction in scrap material directly translates to higher profit margins and a faster return on investment.
Structural Integrity: The Heavy-Duty Machine Bed
High-speed laser cutting requires a foundation that can withstand extreme acceleration and deceleration forces. The LT240 bed is constructed from high-tensile strength steel plates, welded and then subjected to a rigorous stress-relief annealing process. This heat treatment ensures that the frame will not deform over years of thermal cycles and mechanical vibration.
The guide rails and gear racks are mounted on precision-milled surfaces, processed by large-scale 5-axis machining centers. The use of helical gear racks and high-grade linear guides ensures smooth motion and positioning accuracy of ±0.03mm. The motion system is driven by high-torque Yaskawa or Panasonic servo motors, providing the necessary dynamic response for intricate cutting paths and rapid traverse speeds.
Technical Specifications Table
| Parameter | Technical Specification |
|---|---|
| Laser Power | 2000W (2KW) Fiber Laser |
| Max Tube Diameter (Round) | Φ20mm – Φ240mm |
| Max Tube Diameter (Square) | 20mm x 20mm – 170mm x 170mm |
| Max Tube Length | 6000mm (Optional 9000mm/12000mm) |
| X/Y Axis Positioning Accuracy | ±0.03mm |
| X/Y Axis Repositioning Accuracy | ±0.02mm |
| Max Rotation Speed | 120 RPM |
| Max Acceleration | 1.0G |
| Chuck Type | Full-Stroke Pneumatic Automatic Chuck |
| Control System | CypTube / FSCUT3000S EtherCAT |
| Laser Head | Raytools / Precitec Autofocus Head |
| Servo Motors | Yaskawa (Japan) / Panasonic |
| Gear Rack & Guide Rails | YYC (Taiwan) / HIWIN |
| Cooling System | Dual-Temperature Industrial Water Chiller |
| Max Loading Weight | 200kg (Total Tube Weight) |
| Power Supply | Three-Phase 380V 50/60Hz |
| Machine Weight | Approx. 4,500 kg |
Intelligent Software and Control Interface
The LT240 utilizes the industry-standard CypTube CNC control system, which is specifically optimized for tube processing. The software supports the direct import of 3D CAD files (IGS, STEP formats), allowing for seamless transition from design to production. The interface provides real-time monitoring of cutting parameters, gas pressure, and laser power levels.
Key software features include “One-Key Calibration” for the cutting head, automatic edge seeking to compensate for tube bowing, and “Frog-Jump” motion logic to minimize non-cutting travel time. The system also includes a comprehensive material database, providing pre-set parameters for various thicknesses and alloys, which reduces the learning curve for new operators and ensures consistent quality across different shifts.
Safety and Environmental Compliance
Safety is integrated into every aspect of the LT240. The machine features a fully enclosed laser safety glass viewing window (OD4+ or higher) to protect operators from reflected radiation. Safety light curtains are standard on the loading and unloading zones to prevent accidental entry during high-speed operation. Furthermore, the machine is equipped with a multi-zone dust extraction system that follows the cutting head, effectively removing fumes and particulates at the source to maintain a clean working environment and comply with local emissions standards.
Maintenance and Reliability
To ensure maximum uptime, the LT240 includes an automatic lubrication system that services the linear guides and gear racks at programmed intervals. The electrical cabinet is equipped with an industrial air conditioner to maintain a constant temperature for the laser source and CNC components, preventing overheating in high-ambient-temperature factory environments. The modular design of the pneumatic system and the use of globally recognized components (SMC/Airtac) ensure that replacement parts are readily available, minimizing potential downtime.
