Products Description
How to Choose a CNC Marble Cutting Machine?
The most common question we hear in the workshop isn't about machine precision, but rather, "That slab has chipped again!" Marble isn't as hard as granite; it's soft but brittle. Granite can be ground down if it's damaged, but a chipped marble slab is completely unusable. Many customers tell us they don't lack the ability to afford good machines, but they worry the machine won't adapt to the specific stone.
This is why we developed the HKNC 650. It's not just a simple bridge cutter with a CNC system added; the entire machine frame, spindle response, and feed algorithm are all tailored to the adaptability expected of a CNC marble cutting machine.
One of the most concerning issues in marble cutting is edge chipping.
We are Stone Machinery experts
The HKNC 650 is equipped with a 26.4 kW variable frequency spindle. It doesn't just prioritize speed; it can adjust the sawing speed in real time according to the hardness of the stone. When cutting soft white marble, the speed can be reduced to allow the blade to stabilize. When cutting hard granite, the speed can be increased without compromising efficiency. A single CNC marble cutting machine can handle both soft and hard stone sawing, and also supports milling, drilling, and carving. This saves stone factories that do irregular-shaped processing the cost of an additional machine.
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26.4 kwVariable frequency spindle
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High efficiencyA balance of hardware and software
Texture Alignment (Optional Photo Layout System)
Marble decoration emphasizes texture alignment; misaligned textures result in substandard products. We've developed an optional photo layout system. Before cutting, the camera scans the entire slab, marking natural cracks, color differences, and texture direction. It then automatically plans the cutting path, ensuring continuous and symmetrical textures when two slabs are joined.
Slab Thickness Detection (Optional):
Natural marble slabs are standardly 20 mm, but actual measurements can range from 19.5mm to 20.3 mm. If the machine doesn't recognize this deviation, misaligned bevels will result in gaps upon installation.
The HKNC 650 comes with an optional external thickness detection module. For each slab, the sensor measures the actual thickness in real time, and the Z-axis automatically compensates for the cutting depth, ensuring precision in bevel and irregular contour processing.
Five-Axis Linkage
X/Y/Z/C/A five-axis linkage allows for seamless cutting of grooves, S-shaped contours, and 45-degree bevels in a single pass after the slab is fixed, eliminating the need for repeated disassembly and flipping. The processing head can rotate 0-360 degrees and tilt 0-90 degrees, and the worktable can also be flipped up 0-85 degrees for easy loading.
Technical Specifications
|
Parameter |
Value |
Parameter |
Value |
|
Model |
HKNC-650 |
Saw blade diameter |
Φ400–650 mm |
|
Control axes |
5 interpolated (X, Y, Z, C, A) |
Worktable size |
3500×2100 mm |
|
Max. cutting length |
3500 mm |
Max. cutting thickness |
200 mm |
|
Lifting stroke (Z) |
500 mm |
Main spindle motor |
26.4 kw |
|
C axis blade rotation |
0–360° |
A-axis head tilting |
0–90° |
|
Worktable tilting |
0–85° |
Water consumption |
2 m³/h |
|
Machine dimensions |
6500×3400×3700 mm |
Machine weight |
5800 kg |
HKNC 650 CNC marble cutting machine application case study
① Actual photo of the machine in the customer's factory
② Finished marble products processed
Why are we so confident in the quality of this machine?
HUALONG, located in Putian, Fujian, boasts 35 years of experience in stone machinery. We didn't just start making CNC marble cutting machines this year; we began in the 1997s repairing bridge cutting machines, witnessing the evolution of stone processing from manual to CNC.
The HKNC 650 uses standard, commercially available parts: Italian ESA servos, HIWIN guide rails, German ELCO encoders, and Schneider Electric components. Why not use specialized, enclosed parts? Because we've worked in factories and know the losses a factory incurs from a single day of machine downtime. If customers can purchase replacement parts locally, they don't have to source from the original manufacturer, saving time, money, and effort.
Why do so many stone processing plants trust HUALONG?
The value of stone processing equipment lies not only in processing precision, but also in the ease of maintenance and spare parts supply, which directly impacts production downtime losses.
HUALONG, located in Putian, Fujian, has been deeply involved in stone machinery manufacturing for 35 years, with its equipment deployed in over 80 countries worldwide.
The HKNC 650 uses readily available standard industrial components: Italian ESA servo drives, HIWIN linear guides, German ELCO encoders, and Schneider Electric components.
Certification
Each machine comes with a laser interferometer test report, CE certification, and ISO 9001:2015 quality system certification. The entire machine can be disassembled and packed into standard sea freight containers; transportation options are mature.
7x24 hours support and delivery
A 12-month warranty is provided, remote diagnostics are available at any time, and ESA spare parts are readily available in China. On-site or video debugging by engineers can be arranged if needed.
FAQ by Customers
Is thickness compensation standard or optional?
Optional. Primarily for batch processing of high-value sheet materials. Sensors collect real-time data on actual sheet thickness fluctuations, and the control system corrects the Z-axis cutting height in real time to compensate for cutting deviations caused by sheet warping.
Are there any blind spots in the 0-360° rotation of the saw blade?
Theoretically, it can rotate 360°, but actual cutting depends on the saw blade size, workpiece size, and suction cup position. There may be interference at certain extreme angles, but the system has motion limit protection to prevent forced movement.
Is the image capture and layout nesting function standard?
Optional. The camera captures images of the sheet surface, and the software optimizes the layout to improve sheet utilization. This is most commonly used by customers who batch process matching patterns and mosaics.
Let HKNC 650 understand your marble processing needs.
Every stone factory is different. You can tell us the actual marble material, slab size, daily processing capacity and core process requirements. Based on 35 years of experience in stone equipment manufacturing, we will provide each customer with a feasible and verifiable stone cutting solution.
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