Laser engraving and cutting have transformed the way creators, makers, and small businesses design and produce custom products. However, many entry-level engravers struggle with cutting power, work area limitations, and long project times. That’s where the Longer Laser B1 40W steps in.
Designed as a powerful yet user-friendly desktop machine, the B1 combines a true 40W diode laser module, automatic air assist, and a large 450 × 440 mm (17.72 × 17.32 inch) working area into one sleek package. With engraving speeds up to 600 mm/s, multiple safety protections, and compatibility with professional-grade software, it’s built to deliver both speed and precision.
Whether you’re a hobbyist upgrading from a 5–20W engraver, or a small business needing reliable cutting power, the Longer B1 40W promises to take your projects to the next level.
- Powerful Laser Output ：Longer laser engraving machine has an Output Power of up to 48W. It can effortlessly cut through materials such as 40mm basswood and 50mm acrylic, allowing you to bring your woodworking and crafting projects to the next level.
Longer Laser B1 40W – Quick Specs
- Laser Power: 40W diode (optical output ~44–48W)
- Input Power: ~216W system draw
- Wavelength: 450–460 nm diode laser
- Working Area: 450 × 440 mm (≈ 17.72 × 17.32 inches)
- Focal Length: Fixed at 50 mm
- Spot Size: ~0.10 × 0.15 mm at optimal focus
- Speed: Up to 36,000 mm/min (600 mm/s)
- Cutting Capacity (Single Pass): 25 mm paulownia wood, 15 mm black acrylic
- Cutting Capacity (Multi-Pass): Up to 40 mm basswood, up to 50 mm acrylic
- Air Assist: Automatic, built-in
- Safety Features: 8 built-in protections including emergency stop, flame detection, limit switches, safety lock
- Software Support: LightBurn, LaserGRBL, LaserBurn
- Connectivity: USB and Wi-Fi options depending on configuration
Key Features Explained
1. 40W High-Power Diode Laser
The most defining feature of the Longer B1 is its powerful diode laser module. Rated at 40W with a real-world output closer to 44–48W, this machine can cut through significantly thicker materials than typical 10–20W engravers. For woodworkers, sign makers, or crafters, this means fewer passes, smoother edges, and faster production.
2. Large 450 × 440 mm Work Area
The generous bed size makes the B1 40W ideal for larger sheets, signage, or batch production. You can engrave multiple coasters, jewelry pieces, leather tags, or wood panels in one run, saving time and reducing setup repetition.
3. Automatic Air Assist
Air assist is crucial for clean cuts, and the Longer B1 integrates this feature directly into the system. It automatically delivers air across the cutting surface, blowing away smoke and debris. This ensures sharper edges, reduced burn marks, and better cutting depth. It also helps protect the laser lens, extending its lifespan.
4. Blazing 600 mm/s Engraving Speed
Efficiency is key in small business workflows. The B1’s top speed of 600 mm/s drastically reduces job times. Complex engraving designs that would take hours on weaker machines can be completed in a fraction of the time, without compromising detail.
5. Advanced Safety Features
The Longer B1 isn’t just about performance — it also emphasizes safety. The machine is equipped with:
- Emergency Stop Switch – Quickly halts operations in an emergency.
- Safety Key Lock – Prevents unauthorized use.
- Limit Switches – Protects the laser head from over-travel.
- Flame Detection – Automatically pauses the job if flames are detected.
- Motion Detection – Stops operation if the machine is bumped or moved.
- Overheating Protection – Protects components from thermal stress.
These protections make it far safer to operate, especially in shared or small workshop environments.
6. Software Compatibility
The B1 40W is fully compatible with industry-standard engraving and cutting software like LightBurn. This gives users precise control over engraving paths, layer settings, and batch layouts, making it equally suitable for hobbyists and pros.
Performance Review
Cutting Power
The jump from 10–20W engravers to a full 40W diode system is dramatic. The Longer B1 can cut:
- 25 mm paulownia wood in a single pass.
- 15 mm black acrylic in one pass.
- 40 mm basswood or 50 mm acrylic with multiple passes.
This opens up creative possibilities that weaker machines simply can’t handle, from thick wooden décor to acrylic signage and multi-layered designs.
Engraving Quality
Thanks to its tight spot size of 0.10 × 0.15 mm, the B1 delivers fine, detailed engravings with crisp lines. Whether you’re working on intricate text, logos, or even photo-etching, the results are sharp and professional.
Speed in Action
At 600 mm/s, the B1 handles large engraving jobs significantly faster than most competitors. For businesses producing custom products in batches — like coasters, ornaments, or branded merchandise — the time savings can translate directly into higher profits.
Air Assist Benefits
Air assist makes a noticeable difference. Cuts are cleaner, edges are smoother, and smoke buildup is reduced. For acrylic and wood, this means far less sanding and finishing work after the cut.
User Experience
Setup is straightforward, with labeled components and clear assembly instructions. Focusing is manual but easy, and the machine is responsive when paired with LightBurn. The learning curve is reasonable for beginners, yet advanced enough for professionals who need precision.
Pros and Cons
✅ Pros
- Powerful 40W diode module (44–48W actual output).
- Large 450 × 440 mm work area for bigger projects.
- Engraves at speeds up to 600 mm/s.
- Auto air assist ensures clean, polished cuts.
- Supports LightBurn and other pro-grade software.
- Built-in safety protections.
- Suitable for both hobbyists and small business use.
- Affordable for its performance level.
❌ Cons
- Open-frame design (requires external ventilation/fume extraction).
- Manual focusing instead of auto-focus.
- No full enclosure (less safe for classrooms or beginners).
- Still not as powerful as CO₂ or fiber lasers for thick metals.
- Requires careful calibration for best results.
Longer B1 40W vs Competitors
| Feature | Longer B1 40W | xTool D1 Pro 40W | Atomstack S30 Pro 33W |
|---|---|---|---|
| Laser Power | 40W (44–48W output) | 40W | 33W |
| Work Area | 450 × 440 mm | ~330 × 300 mm | ~400 × 400 mm |
| Air Assist | Automatic built-in | Optional add-on | Optional |
| Speed | 600 mm/s | 400 mm/s | 300 mm/s |
| Safety Features | 8 protections | Basic | Basic |
| Best Use | Hobbyists + small businesses | Hobbyists | Entry-level engravers |
The Longer B1 40W edges ahead with its larger work area, faster speeds, and integrated air assist — features that improve workflow efficiency and final quality.
Who Should Buy the Longer B1 40W?
This machine is perfect for:
- Small businesses creating custom wood signs, acrylic décor, or promotional items.
- Hobbyists upgrading from low-power machines to something far more capable.
- Makers selling on Etsy or craft fairs who need batch production.
- Workshops or schools where advanced features and safety matter (with proper ventilation).
It may not be ideal for:
- Users needing deep metal cutting (fiber lasers are required).
- Beginners who prefer fully enclosed plug-and-play units.
- Environments where ventilation cannot be managed effectively.
Buying Guide: What to Look for in a Laser Engraver
- Power Output: Higher wattage means deeper and faster cuts. 40W is a sweet spot for serious hobbyists and small businesses.
- Work Area: A larger bed allows for batch projects and reduces setup time.
- Air Assist: Integrated systems like on the B1 40W improve cut quality dramatically.
- Safety: Emergency stop, flame detection, and lock systems should be non-negotiable.
- Software: LightBurn compatibility ensures professional control.
- Ventilation: Always plan for smoke extraction when using diode lasers indoors.
- Budget vs Needs: Weigh the cost of an open-frame diode laser versus an enclosed CO₂ system depending on your application.
Final Verdict: Is the Longer B1 40W Worth It?
The Longer Laser B1 40W stands out as one of the most capable and versatile desktop engravers in 2025. With its powerful 40W laser output, auto air assist, blazing-fast 600 mm/s engraving speed, and large 450 × 440 mm workspace, it provides serious performance at a fraction of the cost of industrial systems.
It’s not perfect — ventilation is essential, and manual focusing means a little extra effort. But for anyone needing a balance of power, precision, safety, and affordability, the Longer B1 40W is one of the best investments available in its category.
👉 Check the latest Longer Laser B1 40W deals on Amazon
FAQs About the Longer B1 40W
Q1. What materials can the Longer B1 cut?
It can cut wood, acrylic, leather, paper, fabric, and some plastics. It can also engrave glass, coated metals, and anodized aluminum.
Q2. How thick can it cut?
Up to 25 mm wood and 15 mm acrylic in one pass; up to 40–50 mm with multiple passes.
Q3. Does it have built-in air assist?
Yes, the B1 includes automatic air assist for cleaner cuts.
Q4. Is it safe for beginners?
It includes multiple safety features, but since it’s open-frame, beginners should exercise caution and always use proper ventilation.
Q5. Can it engrave photos and fine details?
Yes, the small spot size produces sharp, detailed engravings suitable for logos, text, and images.
Q6. Does it support LightBurn?
Yes, it’s fully compatible with LightBurn, LaserGRBL, and other popular engraving software.
Q7. What’s the working area?
450 × 440 mm (17.72 × 17.32 inches), large enough for panels and batch jobs.
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