Tube laser cutting guides, from the BNL factory floor
First-person notes on tube laser cutting — selection, cutting quality, line setup and maintenance — written by Eric Liu, GM of BNL Laser in Foshan. No spec sheets, no marketing sweep.
Latest notes from the floor

Do I Need Automatic Loading and Unloading on My Tube Laser, or Is Semi-Auto Enough?
Choose automatic loading when handling losses reduce productive time; choose semi-auto for smaller batches, frequent changeovers, or flexibility.
Eric Liu · 6 min read

Dedicated Tube Laser vs. Sheet-and-Tube Combo Machine: Which Fits My Product Mix?
Choose a dedicated tube laser for tube-heavy bottlenecks; choose a combo machine when mixed work, space, and capex matter more.
Eric Liu · 6 min read

Tube Laser Buying Checklist: The 10 Decision Criteria That Actually Matter
Choose a tube laser by lowest cost per good part at the required tolerance, proven with real parts and a complete time study.
Eric Liu · 6 min read

Which Laser Tube Cutter Is Best for Metal Furniture Manufacturing?
Choose the laser tube cutter that matches your tube material, size, wall thickness, cut quality, automation, safety, and service needs.
Eric Liu · 6 min read

How Do You Cut Stainless Handrails and Sanitary Ware Tubing Without Burrs?
Cut stainless tube without burrs by defining measurable edge limits, controlling laser cutting variables, and verifying samples before production.
Eric Liu · 6 min read

Oxygen vs. Nitrogen vs. Air Assist Gas: Which Should I Use for Stainless and Carbon Tube?
Choose nitrogen for clean stainless edges, oxygen for efficient carbon steel cuts, and air for cost-sensitive hidden edges.
Eric Liu · 6 min read

Laser Tube Cutter Total Cost of Ownership: What Goes Into TCO…?
Laser tube cutter TCO is cost per good part, including machine, labor, energy, gas, downtime, scrap, and maintenance.
Eric Liu · 6 min read

How Do I Verify a Chinese Machine Supplier's ISO 9001 and CE Marks Are Real?
Verify ISO 9001 and CE claims through real documents, live databases, legal names, factory addresses, and exact machine scope.
Eric Liu · 6 min read

What Tolerance Can Tube Laser Cutting Hold on Mild Steel and Stainless?
Tube laser tolerance is not one fixed number; it depends on drawing tolerances, tube standards, incoming tube quality, setup, and inspection.
Eric Liu · 6 min read

2-Chuck vs 3-Chuck Laser Tube Cutter: Which Should You Choose?
Choose 2-chuck for standard tube work; choose 3-chuck when long, heavy, slender, or tail-sensitive jobs affect total part cost.
Eric Liu · 6 min read

Fiber Laser Tube Cutter vs. CNC Sawing: Which Is Right for My Tube Shop?
Choose CNC sawing for high-volume straight cut-off work; choose fiber laser tube cutting for finished tube parts with multiple features.
Eric Liu · 6 min read
ELEric Liu — General Manager, BNL Laser. Building fiber laser tube cutters in Foshan since 2010.
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