- Home
- Products
- Maker & DIY
- LUNYEE

Lunyee 3018 Pro Ultra CNC Machine 500W All-Metal CNC Router Machine, Upgraded 3 Axis Engraver Machine Limit Switches & Emergency-Stop with GRBL Offline Control for Metal, Wood, Acrylic, PCB MDF
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
A 30.8-pound all-metal CNC router with a 500W spindle and HGH15 linear guides, designed for hobbyists cutting soft metals, wood, and plastics.
This 30.8-pound CNC machine with a 500W spindle and HGH15 linear guides offers enhanced rigidity and precision for its class, making it suitable for hobbyists working with soft metals, wood, and plastics. However, concerns about spindle quality and electronic protection from metal chips suggest it's not for unattended or heavy-duty professional use.
If you need to cut harder metals or require continuous, unsupervised operation, look for machines with higher wattage, industrial-grade spindles, and fully enclosed electronics.
Regret Score™
High RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- HGH15 linear guide on the X-axis and 2040 X-axis profiles, 4040 Y-axis profiles enhance engraving accuracy and processing strength.
- 500W spindle allows for drilling and engraving on brass, copper, and 6061 aluminum.
- Integrated switching power supply design reduces wiring time and improves safety.
- Pre-assembled main parts and clear cable management simplify initial setup.
- Offline GRBL control with a 4G USB drive and controller inputs for memory card/USB stick allows operation without a computer.
- Scale grid aluminum plate platform with integrated measurement scale and included T-Track clamps aids material positioning and securing.
Cons
- Aluminum extrusion bed may have sharp burrs and metal shavings requiring cleanup during assembly.
- Collet assembly can be tight, potentially requiring force to install.
- Spindle quality is questioned by some users, suggesting slow cutting speeds and dust production.
- Recommended to use with Windows systems for better and more convenient operation.
- Electronics are not fully protected from metal chips, posing a potential fire hazard if left unsupervised.
Dimension Scores
The HGH15 linear guide on the X-axis, 2040 X-axis, and 4040 Y-axis profiles, along with the 500W spindle, significantly enhance engraving accuracy and processing strength compared to other desktop CNC machines.
Pre-assembled main parts, clear cable management, and offline GRBL control simplify setup and operation, though some users report sharp burrs and a tight collet assembly during initial setup.
The 500W spindle and upgraded linear guides allow for engraving and drilling on a range of materials including brass, copper, 6061 aluminum, wood, acrylic, PCB, and MDF.
The all-metal construction, including a thick aluminum frame and bed, suggests a robust build, but concerns about unprotected electronics and 'crap spindles' raise questions about long-term reliability under certain conditions.
Best For
- Hobbyists wanting to engrave or drill soft metals like brass, copper, and 6061 aluminum.
- Beginners looking for a desktop CNC machine for wood, acrylic, PCB, and MDF projects.
- Users who prefer offline control for running carving jobs without a connected computer.
- Individuals needing a machine with a Z-axis height of 80mm for varied material thicknesses.
Not Recommended For
- Professionals requiring industrial-grade reliability for unsupervised operation.
- Users primarily working with hard metals or extremely thick materials.
- Individuals expecting a completely polished, 'bells and whistles' experience found in higher-end CNC machines.
Watch Out For
- The aluminum bed can have sharp burrs and metal shavings from manufacturing, requiring careful handling and cleaning during assembly.
- Installing the collet assembly onto the spindle might require significant force, potentially needing a rubber mallet.
- Some users report the spindle as 'crap' and not a true spindle, necessitating slower cutting speeds and producing more dust.
- The machine's electronics are not fully protected from metal chips, which some users identify as a fire hazard if operated without supervision.
- While compatible with Mac, the manufacturer recommends Windows for a better and more convenient experience.
Full Specifications
| ASIN | B0CHM481NS |
| Brand | LUNYEE |
| Style | 3018 pro ultra |
| Voltage | 110 Volts |
| Wattage | 500 watts |
| Material | Aluminum |
| Base Type | Fixed |
| Horsepower | 500 Watts |
| Item Weight | 30.8 pounds |
| Part Number | 3018 pro ultra |
| Manufacturer | LUNYEE |
| Power Source | ac/dc |
| Description Pile | Corded electric |
| Item model number | 3018 pro ultra |
| Package Dimensions | 20.7 x 18.2 x 11.9 inches |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Description | Corded electric |
| Maximum Rotational Speed | 12000 RPM |
What Buyers Say
Many users highlight the machine's enhanced rigidity due to the beefy HG15 linear rails on the X-axis and thick aluminum construction, which is a step up from typical 3018 models. The 500W spindle is frequently mentioned as a powerful upgrade for its price point, allowing for soft metal work. However, some users have encountered manufacturing imperfections like sharp burrs and metal shavings on the bed, and the collet assembly can be surprisingly difficult to install. A significant concern raised is the potential fire hazard from unprotected electronics when cutting metal chips.
“Okay, so it's not perfect, had to file down some sharp edges and wrestling that collet on was a pain, but for the price, this thing actually cuts aluminum and wood way better than I thought it would, especially with that beefed-up X-axis.”
Common Praise
- The HGH15 linear guide on the X-axis and thick aluminum frame provide increased stability and sturdiness.
- The 500W spindle offers sufficient power for engraving wood, MDF, plastics, and soft metals.
- Pre-assembled main parts and clear instructions contribute to a relatively straightforward assembly process.
- The integrated power supply design reduces wiring complexity and improves safety.
- Offline control capability with a memory card and USB stick is convenient for running jobs without a computer.
- The scale grid aluminum plate platform and included T-Track clamps help with material positioning.
Common Complaints
- Sharp burrs and metal shavings are present on the aluminum extrusion bed, requiring cleanup.
- The collet assembly can be very tight and difficult to attach to the spindle.
- Some users describe the spindle as low quality, leading to slower cutting speeds and more dust.
- Electronics are not adequately protected from metal chips, which is a fire risk if left unattended.
- Mac compatibility is less optimized, with Windows being the recommended operating system.
Ownership Tips
- Expect to spend time cleaning up manufacturing debris and deburring edges before first use.
- You might need a rubber mallet or similar tool to properly seat the collet assembly.
- Always supervise the machine, especially when cutting metals, due to potential electronic exposure to chips.
- Consider investing in better quality bits than the included starter bits for finer work or harder materials.
- The offline controller is handy, but getting used to its interface might take a few runs.
Frequently Asked Questions
What materials can this CNC machine work with?
It can work with wood, plastic, acrylic, PVC, PCB, and soft metals like aluminum, brass, and copper. It is not designed for hard metals or extremely thick materials.
Is assembly difficult for a beginner?
The machine features pre-assembled main parts and clear cable management, with assembly videos and a paper user manual provided. A beginner reported it took 'around a full evening' to assemble and get running.
Can I use this machine without connecting it to a computer?
Yes, it supports GRBL offline control. The package includes a 4G USB Flash Drive with pre-installed software, and the controller has inputs for a memory card and a USB stick.
What are the key upgrades in this "Pro Ultra" version compared to previous 3018 models?
Key upgrades include an HGH15 linear guide on the X-axis, 2040 X-axis profiles, 4040 Y-axis profiles, a 500W spindle, an integrated power supply, and a Z-axis height of 80mm.
Is it compatible with Mac computers?
While it can be used with Mac systems with compatible software, the manufacturer recommends using Windows for a better and more convenient experience.
Buying Guide
When looking at a desktop CNC machine like this, you're essentially buying a small robot arm with a spinning tool. The key is understanding what you want to cut and how precisely. Pay attention to the rigidity of the frame and the power of the spindle, as these dictate what materials you can tackle and how clean your cuts will be. Also, consider the work area – how big are the pieces you plan to engrave or mill?
500W Spindle
This is the motor that spins your cutting tool. A 500W spindle is on the higher end for a desktop 3018-class machine, meaning it can handle softer metals like aluminum and brass, not just wood and plastic, allowing for deeper or faster cuts in those materials.
HGH15 Linear Guide (X-Axis) & 2040/4040 Profiles (X/Y-Axis)
These refer to the components that guide the movement of the cutting head. HGH15 linear guides are more robust than typical V-slot wheels, and the larger 2040/4040 aluminum profiles provide a stiffer structure, which translates directly to more accurate and less wobbly cuts, especially when working with harder materials or at higher speeds.
Integrated Switching Power Supply
This means the power supply is built into the machine's main unit, rather than being a separate brick with extra wires. It simplifies setup by reducing cable clutter and can improve safety by having fewer exposed connections.
Alternatives
If you need to cut harder materials or larger workpieces, look for machines with higher wattage spindles (e.g., 800W or more), larger work areas, and more industrial-grade linear motion components.



