HKNC-450 Plus 5+1 Axis CNC Bridge Saw Stone Cutting & Milling Machine
Meet the HKNC-450 Plus 5-axis saw stone cutting machine is designed for the modern workshop. Whether you are working with natural marble, granite, or the latest ceramics, this machine handles it all.
Description

Cutting Ability
Marble, granite, quartz, porcelain, sintered stone, ceramics. We've run all of them. Hardest was black granite. No issues.
Precision
The 5-axis CNC control system gives you clean edges and accurate cuts. We tested it on over 200 countertops. All of them were within 0.1mm.
Operation
21.5-inch touchscreen. ESA control system. Comes with Zeus CAD-CAM software. Our guys got the hang of it in about half a day. Draw the design, load it in, and the machine runs itself.
Solid build
Heavy-duty frame plus a reinforced bridge. Not exactly lightweight. But when you're cutting hard material, the machine doesn't shake. The accuracy stays. One customer ran it for three days and two nights straight. No problems.
What shapes can it do?
Straight lines, curves, arcs, 45° mitres, bevels, sink holes, edge profiles, carving… basically everything you need for countertop fabrication.
Applications.
Kitchen countertops, bathroom vanities, furniture parts, architectural pieces, custom stone products, artistic carving, and sintered stone processing.
Key functions
Straight cutting, arc cutting, 45° mitre cutting, beveling, drilling, slotting, milling, profiling, engraving.
Technical highlights
5-axis linkage, high-precision servo motors, smart programming interface, rigid frame, high-efficiency spindle, precision linear guides, and automatic lubrication.
What's it actually worth in a workshop?
We did the math. One machine can do the work of 2-3 skilled workers. Not saying you should lay anyone off. But when you get a rush order, you don't have to beg people to work overtime. Automation goes up. Defect rates go down.
Why this one?
Industrial-grade build. Stable performance. High accuracy. Handles complex shapes. Low maintenance. Runs continuously. Works well for mid-to-large stone fabrication shops.
why choose hualong machinery

- More than 30 years of experience in stone machinery manufacturing
- CE-certified equipment for global markets
- Professional overseas installation support
- Experienced technical engineering team
- Remote troubleshooting and operator training
- Stable spare parts supply system
- OEM and ODM customisation available
- Exported to Europe, USA, Middle East, South America, and Southeast Asia
- Rich experience in countertop fabrication solutions
- Professional after-sales support for stone factories
client On-Site

Finished Stone Products

technical data
| Items | Unit | HKNC-450 Plus |
|---|---|---|
| Diameter of saw blade | mm | Φ350-450 |
| Dimensions of working platform | mm | 3500×2100 |
| Max. length of horizontal cutting | mm | 3500 |
| Max. cutting thickness | mm | 100 |
| Max. lifting stroke | mm | 250 |
| Max.lifting weight by suction cups | kg | 200 |
| Power of main motor | kw | 15 |
| Power of retractable electrospindle | kw | 5.5 |
| Power of cutter frame reciprocating motor | kw | 1.6 |
| Power of crossbeam shifting motor | kw | 1.3 |
| Power of hydraulic station motor | kw | 2.2 |
| Power of lifting motor | kw | 1 |
| Gross power | kw | 28.6 |
| Water consumption | m³/h | 2 |
| Dimensions (L×W×H) | mm | 6000×3380×2770 |
| Gross weight | kg | 4500 |
FAQ
Q: 1: Do you provide overseas installation service?
A: Yes. HUALONG provides overseas installation, machine commissioning, operator training, and remote technical support for international customers (fees apply)
Q: 2: What is the warranty period?
A: The standard warranty period is 12 months after machine installation. Technical support for lifetime.
Q: 3: What voltage options are available?
A: The machine voltage can be customized according to the customer's local electrical standards, including 380V, 415V, and other industrial voltage requirements.
Q: 4: What is the delivery time?
A: Normally, the production lead time is around 25-35 working days after receiving the deposit. Customized configurations may require additional production time.
Q: 5: What is the exact difference between a standard 4-axis cutter and the Hualong HKNC-450 PLUS 5-Axis CNC Bridge Saw? Why should my shop pay more?
A: In a traditional shop, a 4-axis machine can only manage standard straight splits or rudimentary 45-degree bevels. The moment you encounter a curved kitchen island countertop, a complex French ogee edge, or a diagonal corner cutout, the machine stalls. You are forced to crane the heavy slab off the table and move it to a manual workstation, risking fracturing expensive premium quartz or quartzite. The HKNC-450 PLUS introduces full 5-axis interpolation. Driven by an Italian ESA CNC control system and synchronized Pegasus CAD/CAM architecture , the diamond blade doesn't just rotate-it can pitch and tilt seamlessly from 0 to 90 degree while navigating intricate 360 degree curved paths. It transforms your cutting station into an all-in-one stone fabrication node, dealing with complex custom sink-hole contours, radius arcs, and mitered borders in a single automated cycle. It saves hours of manual secondary work and slashes labour costs dramatically.
Q: 6:Quartzite and premium porcelain slabs are prone to edge chipping. How does the machine structure prevent material failure?
A: Brittle materials like sintered stones, porcelain, and ultra-hard quartzites chip easily when exposed to cutting vibrations. The HKNC-450 PLUS solves this through its heavy-duty monoblock structural chassis. Fully welded, stress-relieved, and precision-machined, this rigid body isolates the cutting head from micro-vibrations even when traversing dense stone at peak feed rates. Paired with premium linear guide rails and digital servo drives, the blade glides smoothly without juddering, ensuring clean, chip-free edges and minimizing material scrap rates.
Q: 7:Is the CNC software interface too complex for traditional floor operators who lack programming backgrounds?
A: No advanced G-code programming skills are required to run the machine. The software workflow is designed for shop floor practicality. Your design team exports standard DXF drawings. The operator inputs the file via USB or network link to the swing-arm-mounted ESA color touch screen. When equipped with the Optional Onboard Slab-Mapping Camera, the process becomes visual: the camera captures a real-time photo of the raw slab on the table. The operator can visually drag, drop, and nest the digital templates directly over the stone image on screen, easily routing around natural cracks, veins, or flaws in minutes.
Q: 8: How does the lubrication system work, and how does it protect the machine from abrasive stone dust?
A: Stone fabrication environments generate high amounts of abrasive slurry and quartz dust that can quickly destroy precision motion parts. To eliminate reliance on manual maintenance, the HKNC-450 PLUS features an Intelligent Self-Lubricating Oil System. The digital controller tracks actual mechanical operating hours and automatically pumps a precise, metered dose of clean lubricant to the X, Y, Z linear guide rails and high-precision ball screws at optimized intervals. This prevents abrasive friction wear, keeps motion fluid, and protects the core mechanical tracking grid from early failure.
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