In heavy industries, cutting ultra-thick plates has always presented significant challenges. Traditional flame cutting is slow, struggles with piercing, and often compromises edge quality, while standard laser cutting reaches its limits on extreme thicknesses. A new generation of laser-flame hybrid cutting machine is now bridging this gap, delivering unprecedented speed, precision, and versatility for plates up to 200mm thick.

I. What is Laser-Flame Hybrid Cutting?

Laser–flame hybrid cutting is an advanced metal cutting technology that combines fiber laser cutting and flame cutting into a single system. Instead of relying on only one cutting method, this technology allows manufacturers to switch freely between laser mode and hybrid mode, covering a wider range of plate thicknesses and applications.

It is specially designed for carbon steel thick and ultra-thick plate processing, providing stable performance across a wide thickness range from 1 mm up to 200 mm.

II. Why It’s a Game-Changer for Thick Plate Processing

1. Revolutionary Piercing Speed

The core breakthrough lies in piercing capability. For ultra-thick plates, traditional methods require minutes or even pre-drilling. Hybrid technology achieves clean piercing in seconds—dramatically reducing pre-processing time and enabling efficient internal contour cutting. It takes only 7 seconds to pierce 100 mm carbon steel.

2. One Machine, Two Cutting Modes

This dual-mode design allows multiple production tasks to be completed on one system, significantly reducing equipment investment and operational costs.

• Laser Mode
• High-speed cutting for thin and medium plates
• Ideal for stainless steel and carbon steel using air or nitrogen
• Functions as a pure laser bevel cutting solution
• Laser–Flame Hybrid Mode
• Designed for thick and ultra-thick carbon steel
• Laser handles fast piercing
• Flame cutting completes hole expansion and slag removal
• Excellent for batch cutting of 50 mm+ carbon steel plates

This dual-mode design allows users to handle multiple production tasks with one system, significantly reducing equipment investment costs.

3. Superior Cut Quality & Automation: Advanced features ensure consistent, high-quality results:

• Automatic Verticality Compensation: The cutting head automatically measures and adjusts to the plate surface, ensuring perfectly vertical cuts and minimizing taper.
• Automatic Ignition: Integrated systems handle gas ignition safely and reliably, removing manual steps and boosting startup efficiency.

4. Cost & Efficiency Advantages

By consolidating two cutting methods into one platform, manufacturers reduce capital investment, save floor space, and minimize the downtime associated with switching between different machines for different jobs.

III. Laser-Flame Hybrid Cutting vs. Traditional Flame Cutting

Compared with traditional flame cutting, the hybrid solution dramatically improves piercing efficiency:

Plate Thickness	Laser-Flame Hybrid Cutting	Flame Cutting
20 mm	Approx. 2 seconds	Approx. 50 seconds
80 mm	Fast and stable	~10 minutes, often requires pre-drilling
100-160 mm	Fast, stable, controllable	Extremely difficult

Note: For reference purposes only; actual values may vary.

This makes laser-flame hybrid cutting especially valuable for heavy industry and thick plate fabrication.

IV. Superior Cutting Quality on Ultra-Thick Plates

Thanks to optimized process, laser-flame hybrid delivers:

• Better cut edge verticality
• Cleaner cutting surfaces
• Reduced secondary machining

Compared with pure laser cutting or traditional flame cutting, the hybrid process achieves more vertical and consistent cuts, particularly on thick carbon steel plates.

V. Designed for Heavy-Duty Industrial Applications

This machine is engineered for sectors that demand robust and efficient metal fabrication:

• Shipbuilding & Offshore
• Heavy Machinery & Construction Equipment
• Energy Sector (Wind Towers, Pressure Vessels)
• Mining & Agricultural Machinery
• Structural Steel Fabrication

VI. SENFENG Laser–Flame Hybrid: Ultra-Thick Plate Cutting

SENFENG’s laser–flame hybrid cutting solution is designed for demanding thick and ultra-thick plate applications, combining laser cutting and flame cutting into one integrated system to cover a wide range of materials and thicknesses.

SF-TXP Series Laser-Flame Hybrid Cutting Machine

1. Key Features of SF-TXP Series

• Dual Cutting Modes in One Machine

Supports fast switching between laser mode and laser–flame hybrid mode by replacing the ceramic component, enabling flexible adaptation to different plate thicknesses and processing tasks.

• Wide Thickness Processing Range (1-200 mm)

Covers thin, medium, thick, and ultra-thick plate processing, significantly extending the application range of laser-based cutting systems.

• Laser-Assisted Hybrid Piercing Process

In hybrid mode, the laser is used for rapid initial piercing, while flame cutting completes hole expansion and slag removal, ensuring stable and controllable piercing on thick plates.

• Intelligent CNC System

Supports automatic gas ignition before cutting and cutting-angle compensation through advanced CNC control, reducing manual setup and improving operational safety.

2. Core Advantages of SF-TXP Series

• Extended Cutting Capability Beyond Conventional Laser Limits

Enables reliable processing of plate thicknesses that are difficult or uneconomical for pure laser cutting. As shown in the figure below:

Conventional laser cutting capabilities:

Power	Cutting Thickness
20kW	Stable Production	Carbon Steel (Oxygen Cutting)	Vertical/30° Bevel Cutting: 3–50 mm	Carbon Steel (Nitrogen, Air Cutting)	Vertical/30° Bevel Cutting: 1–18 mm	Stainless Steel	Vertical/30° Bevel Cutting: 1–50 mm
			30° Bevel Cutting: 3–45 mm		30° Bevel Cutting: 1–16 mm		30° Bevel Cutting: 1–30 mm
	Ultimate Cutting	Carbon Steel (Oxygen Cutting)	Vertical/30° Bevel Cutting: 3–60 mm	Carbon Steel (Nitrogen, Air Cutting)	Vertical/30° Bevel Cutting: 1–20 mm	Stainless Steel	Vertical/30° Bevel Cutting: 1–60 mm
			30° Bevel Cutting: 3–50 mm		30° Bevel Cutting: 1–18 mm		30° Bevel Cutting: 1–40 mm

Note: For reference purposes only; actual values may vary.

Laser-flame hybrid cutting capabilities:

Power	Cutting Thickness
20kW	Stable Production	Carbon Steel (Oxygen Cutting)	Vertical/30° Bevel Cutting: 3–200 mm	Carbon Steel (Nitrogen, Air Cutting)	Vertical/30° Bevel Cutting: 1–18 mm	Stainless Steel	Vertical/30° Bevel Cutting: 1–50 mm
			30° Bevel Cutting: 3–160 mm		30° Bevel Cutting: 1–16 mm		30° Bevel Cutting: 1–30 mm
	Ultimate Cutting	Carbon Steel (Oxygen Cutting)	Vertical/30° Bevel Cutting: 3–220 mm	Carbon Steel (Nitrogen, Air Cutting)	Vertical/30° Bevel Cutting: 1–20 mm	Stainless Steel	Vertical/30° Bevel Cutting: 1–60 mm
			30° Bevel Cutting: 3–180 mm		30° Bevel Cutting: 1–18 mm		30° Bevel Cutting: 1–40 mm

Note: For reference purposes only; actual values may vary.

• Dramatically Improved Piercing Efficiency

Thickness（mm）	Laser-Flame Hybrid Piercing Time (s)	Traditional Flame Piercing Time (s)
80	6	600
100	8	Conventional flame piercing is difficult; edge piercing is commonly required
120	10	Same as above
140	12	Same as above
160	15	Same as above

Note: For reference purposes only; actual values may vary.

• Stable and Repeatable Cutting Performance

The hybrid process minimizes common issues such as unstable piercing, slag blockage, and explosive blowback.

• Better Cut Edge Verticality on Thick Plates

Optimized process control delivers straighter cut edges with lower taper, reducing secondary machining requirements.

Thickness (mm)	Laser-flame hybrid Cut Verticality (mm)	Fiber Laser Cut Verticality (mm)	Conventional Flame Cut Verticality (mm)
50	0.4	1.25	1
60	0.4	1.5	2
80	0.5	2	3
100	0.4	2.5	3
140	0.5	3.1	3
160	1	3.9	3
200	1.1	5	4

Note: For reference purposes only; actual values may vary.

• Lower Overall Equipment Investment

One system replaces multiple cutting machines, reducing capital investment while increasing production flexibility.

Conclusion

Laser-flame hybrid cutting is transforming ultra-thick plate processing, combining the precision of laser cutting with the power of flame cutting. It enables rapid piercing, consistent high-quality edges, and flexible dual-mode operation for plates up to 220 mm thick.This machine improves overall production efficiency, reduces secondary machining, and minimizes equipment investment. SENFENG’s SF-TXP Series provides a reliable and versatile solution for heavy industries such as shipbuilding, construction, energy, and machinery manufacturing.