Bystronic ByCut Star 4020
Key Specifications
Accuracy
Repeatability
cutting area
laser power
max mild steel
max stainless
Overview
The Bystronic ByCut Star 4020 is a premium fiber laser cutting system with a 4,000 x 2,000 mm cutting area, available from 6 kW to 15 kW. Designed for high-speed processing of thin to thick sheet metal with exceptional edge quality.
Features automatic focus positioning and nozzle changing for unattended material transitions. At 10 kW, cuts mild steel to 25 mm, stainless to 20 mm, aluminum to 15 mm. Simultaneous axis speed reaches 170 m/min with 2g acceleration.
BySoft 7 software handles CAD/CAM nesting and production management. ByVision control provides real-time monitoring. Industry 4.0 connectivity via MES integration.
New: $400K-$800K depending on power and automation. Used 2019-2022: $250K-$500K. Competitors: Trumpf TruLaser 3040, Amada ENSIS-3015AJ, Mazak OPTIPLEX NEXUS.
Full Specifications
| Parameter | Value |
|---|---|
| Cutting Area | 4,000 x 2,000 mm |
| Laser Power | 6-15 kW fiber |
| Max Mild Steel | 25 mm (at 10 kW) |
| Max Stainless | 20 mm (at 10 kW) |
| Max Aluminum | 15 mm (at 10 kW) |
| Axis Speed | 170 m/min |
| Acceleration | 2g |
| Positioning Accuracy | ±0.05 mm |
| Repeatability | ±0.03 mm |
| Cutting Head | Auto focus and nozzle change |
| Drives | Linear drives all axes |
| CNC Control | ByVision / BySoft 7 |
| Sheet Weight | 900 kg max |
| Machine Weight | ~12,000 kg |
Specifications sourced from bystronic.com — verified 2026-03-28
Strengths & Limitations
Strengths
- Premium fiber laser with exceptional edge quality
- Auto focus and nozzle change for unattended transitions
- Up to 15 kW for high-speed and thick-plate capability
- Large 4x2m cutting area
- BySoft 7 integrated software suite
- Strong service network and Industry 4.0
Limitations
- Premium pricing from $400K
- Proprietary software ecosystem
- High gas consumption at high powers on thick material
- Large footprint with automation
- Significant nitrogen costs for stainless/aluminum
Best For
Frequently Asked Questions
01
$400K-$800K new depending on power/automation. Used: $250K-$500K.
02
Mild steel to 25mm, stainless to 20mm, aluminum to 15mm at 10 kW.
03
Both premium. ByCut Star emphasizes ease of use. Trumpf has broader automation. Similar pricing.
04
6 kW for thin-gauge speed, 10 kW all-around, 12-15 kW for thick plate or max speed.
05
Budget $5K-$15K/month for nitrogen depending on volume.
Videos
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On Point Solutions
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Community Discussions
Community discussion — Bystronic 4020 6000 watt laser | Practical ...
Pricing and buying discussion — Help me evaluate this 4020ht - Practical Machinist
Troubleshooting and problem-solving — Fadal 4020 problems - Practical Machinist
Community discussion — Setting up Fadal 4020 - Practical Machinist
Links to community discussions. Summaries are editorial — visit the original thread for full context.
Comparisons
Related Machines
Amada ENSIS-3015AJ
Amada LCG-3015AJ
Bystronic ByStar Fiber 3015
Mazak OPTIPLEX 3015 DDL
Trumpf TruLaser 3040
