Genmitsu - 3018 REX CNC Router Machine - Pre-Assembled for Beginner & STEM
Genmitsu - 3018 REX CNC Router Machine - Pre-Assembled for Beginner & STEM
Step effortlessly into desktop CNC carving with the SainSmart Genmitsu 3018 REX CNC Router Machine. Engineered on a foundation of 15 years of maker expertise and 8 years of dedicated CNC innovation, the 3018 REX removes the frustration traditional desktop routers cause beginners. Arriving pre-assembled, this machine reduces setup time from over two hours down to under 10 minutes so you can start carving wood, plastics, acrylics, and soft metals right out of the box.
The 3018 REX delivers fast, quiet, and ultra-precise cuts thanks to independent silent motor drivers, optical-axis Y and Z axes, linear bearings, and a rock-solid dual-rail frame. Capable of cutting speeds up to 3000 mm/min—nearly double the speed of standard entry-level competitors—it yields accurate results within ±0.1mm while maintaining an expanded 91mm Z-axis clearance for thicker stock. With built-in Wi-Fi, physical limit switches, an integrated emergency stop button, and expansion ports for lasers and 4th-axis rotary modules, the Genmitsu 3018 REX grows seamlessly alongside your skills.

Key Features
- 10-Minute Fast Setup: Arrives as a pre-assembled modular kit that takes under 10 minutes to assemble—eliminating tedious 2-hour multi-part assembly.
- Nearly 2X Faster Cutting Speeds: Independent silent drivers reduce noise while reaching cutting speeds up to 3000 mm/min for fast project turnaround.
- High Precision & Enhanced Z-Clearance: Solid dual-rail frame, optical-axis guides, and linear bearings ensure stable cuts accurate to ±0.1mm with a high 91mm Z-clearance for thicker material stock.
- Built-In Wi-Fi & Modular Expansion: Features onboard Wi-Fi for wireless job streaming. Includes dedicated expansion ports to plug in laser modules or 4th-axis rotary attachments without upgrading your main board.
- Enhanced Safety & Standard GRBL Control: Outfitted with physical X/Y/Z limit switches and a top-mounted Emergency Stop button for hardware protection. Fully compatible with GRBL 1.1h open-source control software.


Recommended Applications
- Engraving and carving wood, MDF, acrylic, plastics, and soft metals (aluminum, brass)
- PCB circuit board prototyping and milling
- STEM education, maker spaces, and classroom learning
- Personalized crafts, signage, and custom woodworking projects
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand & Line | SainSmart Genmitsu |
| Model | 3018 REX |
| Assembly Level | Pre-Assembled Modular Kit (< 10 min setup) |
| Max Cutting Speed | Up to 3000 mm/min |
| Dimensional Accuracy | ±0.1 mm |
| Z-Axis Clearance | 91 mm |
| Control Software | GRBL 1.1h Compatible |
| Connectivity | USB & Built-In Wi-Fi |
| Safety Features | Physical X/Y/Z Limit Switches, Emergency Stop Button |
| Expandability | Plug-and-play ports for Laser Module & 4th-Axis Rotary Attachment |


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