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FiberMid Range
Amada LCG AJ 4020
4kW Fiber cutting Machine
Power
4 kW
Work Area
4000×2000mm
Max Steel
19mm
Accuracy
±0.03mm
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How It Compares
Compared against 748 machines in this category
Power Output▼ 61%
4kW
0Avg: 10.20 kW
Work Area▲ 9%
8m²
0Avg: 7.35 m²
Max Steel Cutting▼ 31%
19mm
0Avg: 27.55 mm
Positioning Accuracy▲ 4%
±0.03mm
0Avg: 0.03 mm
Quick Facts: Amada LCG AJ 4020
Laser Power & Type4kW Fiber
Work Area4000 × 2000 mm
Estimated Price Range$110000-140000
Primary Applicationcutting
Large format fiber laser for versatile applications
Large panelsStructural steelCustom fabrication
📝 Editor's Review
Proprietary internal fiber laser engine perfectly synced with a high-speed helical rack motion system
Amada's LCG 4020 AJ utilizes their internally developed fiber laser engine, providing unmatched stability and up to 70% less energy consumption than CO2 counterparts. The AMNC 3i touchscreen control simplifies operations, and its seamless air-cutting mode (using compressed air) dramatically reduces production costs for thin-to-medium materials.
Best For: Premium job shops wanting the lowest cost-per-part through extreme energy efficiency and air-cutting capabilities
Value
8/10
Reliability
10/10
Service
9/10
Market Position
Power vs. work area compared to 51 machines in this category
This machine
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Full Specifications
Laser System
| Brand | Amada |
| Model | LCG AJ 4020 |
| Laser Type | Fiber |
| Power Output | 4 kW |
| Wavelength | 1070 nm |
| Beam Quality (M²) | 1.8 |
Work Envelope
| Work Area (L × W) | 4000 × 2000 mm |
| Positioning Accuracy | ±0.03 mm |
| Repeatability | ±0.02 mm |
Machine Specifications
| Dimensions (L × W × H) | 8200 × 3100 × 2400 mm |
| Weight | 6200 kg |
| Control System | Amada AMNC |
| Cooling Type | Water |
| Power Consumption | 44 kW |
Commercial Information
| Price Range | $110,000 - $140,000 |
Material Coverage
Maximum cutting thickness across materials
Steel19 mm
Stainless15 mm
Aluminum12 mm
Cutting Capabilities
Maximum material thickness and cutting speeds for the Amada LCG AJ 4020
| Material | Max Thickness | Speed @5mm | Speed @10mm |
|---|---|---|---|
| Mild Steel | 19mm | 13m/min | 3.5m/min |
| Stainless Steel | 15mm | 8m/min | 3m/min |
| Aluminum | 12mm | 10m/min | 3m/min |
19
Mild Steel
mm max
15
Stainless Steel
mm max
12
Aluminum
mm max
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LCG AJ 4020
4kW
4000×2000mm
Steel: 19mm max
Frequently Asked Questions
Common questions about the Amada LCG AJ 4020
The Amada LCG AJ 4020 features a 4kW fiber laser, suitable for metal cutting and sheet processing.
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