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1. Laser Technology: Driving a New Era in Industrial Processing
Laser, one of the most significant scientific inventions of the 20th century, revolutionizes modern manufacturing with its four core properties:
High Brightness: Up to 10¹¹ W/cm²·Sr; generates temperatures of thousands to tens of thousands of degrees when focused.
High Directionality: Extremely low divergence angle; allows long-distance transmission and ultra-high power density at the focal point.
High Monochromaticity: Ensures focused beam precision for maximum cutting accuracy.
High Coherence: Strong phase consistency across the laser wave, critical for quality processing.
These features make lasers the “universal light blade” in manufacturing—capable of cutting both metal and non-metal materials with unmatched speed and accuracy.
2. How Laser Cutting Works
A high-energy-density laser beam is focused through a lens into a tiny spot (0.2–0.3mm in diameter). The intense heat rapidly melts or vaporizes the material, creating a hole. As the beam moves relative to the material, a narrow kerf is formed. Assist gases (oxygen for carbon steel, nitrogen for stainless steel) blow away molten residue, resulting in a clean cut. All parameters are precisely controlled by a CNC system.
3. Why Choose Laser Cutting?
Efficiency Boost: Replaces traditional plasma + beveling + drilling processes with one machine; saves up to 60% in labor.
Superior Accuracy: Ultra-fine kerfs (~0.3mm), smooth edges, and minimal taper enable seamless robotic welding.
Eco-Friendly: Non-contact processing with a small heat-affected zone; low noise and clean emissions.
Flexible Production: Ideal for customized and complex component cutting.
Industry-Driven: Responds to labor shortages, lightweight design trends, and rising demands for product quality.
Cost Reduction: Reduces manpower, material loss, and machine investment.
Government Policy Support: Aligns with initiatives promoting green manufacturing and industrial upgrades
4. Laser vs. Traditional Cutting Methods
|
Feature |
Laser |
Plasma |
Waterjet |
Flame |
|
Thickness Range |
≤40mm* |
--- |
--- |
>5mm |
|
Cutting Accuracy |
0.1mm |
>0.25mm |
0.1~0.25mm |
--- |
|
Thermal Deformation |
Very Low |
High |
None |
Very High |
|
Kerf Width |
0.3mm |
3~6mm |
1.0~1.2mm |
--- |
|
Surface Finish |
Smooth |
Rough |
Ultra-smooth |
--- |
|
Environmental Impact |
Excellent |
Average |
Excellent |
Poor |
5. Applications in the Special Vehicle Industry
Laser cutting is widely used in manufacturing special-purpose vehicles, especially for the precision cutting of:
Reinforcement beams
Brackets, base plates, support plates
Hangers, side rails, frame ribs, connecting parts, etc.
Recommended Material: Carbon steel plates ≤16mm thick
6. Recommended Laser Equipment Configuration
★ Extra-large Single Table Laser Cutting Machine (Length ≥14m, Width 2–4m)
Industries: Special vehicles, heavy machinery, steel structure, rail transport
Key Components:
Dual-side linear guide rail system
Large-format cutting bed
Cross-moving gantry beam
Independent HMI console
Fiber laser source
Electrical control cabinet
High-efficiency exhaust system
Highlights:
Designed for large component cutting
Simplified loading and unloading
Seamless integration with automated welding processes
7. Laser Power Selection Guide
|
Power Level |
Cutting Thickness |
Assist Gas |
Recommendation |
|
6kW |
1–20mm |
Oxygen, Air |
Cost-effective for standard applications |
|
12kW |
1–35mm |
Air |
High-speed air cutting for 1–12mm plates |
|
15kW |
1–35mm |
Air |
Optimal for heavy-duty, large-format jobs |
8. Real Cutting Comparison
Plasma Cutting: Irregular holes, poor straightness, heavy dross, large taper.
Laser Cutting: Precision small circles, minimal taper, fast speed, clean edge finish.
9.Intelligent Laser and Automation Solutions in the Automotive Industry
Laser welding and intelligent automation have become essential in automotive manufacturing. Key applications include dedicated laser welding systems for car bodies, seats, transmission parts, tailored blanks, and exterior panels; intelligent welding lines for BIW (body-in-white) components such as floor panels, side panels, doors, and trunk lids; smart battery tray welding lines for aluminum and high-strength steel trays; and automated assembly lines for motors, differentials, flywheels, and e-drive axles.
Looking ahead, laser welding will play a critical role in areas such as lightweight construction for NEVs, high-precision welding of sensors and actuators in smart vehicles, joining of high-strength steels for safer car bodies, as well as fully automated and flexible production lines to meet diverse market demands. Furthermore, its environmentally friendly process supports green manufacturing, making laser technology a key enabler in the future of automotive innovation.
Upgrade to Laser. Power Your Production with Precision and Performance.
Whether you're transforming your traditional production lines or launching a smart manufacturing facility, laser cutting is your strategic solution to improve productivity, reduce costs, and stay competitive.
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