CNC Twin Blade Stone Arc Chamfering Machine for Granite & Marble 45° High Precision

Brand Name:Xianda Machinery
Certification:API, CCC, SONCAP, GOST, ISO, CE, SGS;IAF
Model Number:HKB-21500-C
Minimum Order Quantity:1 SET
Delivery Time:1 Month
Payment Terms:L/C, T/T, D/P, Western Union ,Paypal ,Money Gram, Others
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Address: Anqi Road,Wuli Industrial Park,Jinjiang City,Fujian,China
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CNC Twin Blade Stone Arc Chamfering Machine for Granite & Marble 45° High Precision


If you’re still hand-chamfering columns or outsourcing round-slab edges, you’re burning money. Meet the upgraded CNC Twin Blade Stone Arc Chamfering Machine—the only twin-blade unit that combines 45° high-precision chamfering with a 2 000 mm circular-slab worktable. One machine, two processes, ten times faster than manual work.



ParameterUnitHKB-215000
Maximum Processing Lengthmm2000
Maximum Processing Widthmm1000
Maximum Processing Depthmm250
Processing Angle/4pcs and above
Total Powerkw51
Outline dimensionmm7150x4500x2600
Water consumptionm³/h4
Gross weightkg5000


What Makes This Model a Profit Engine?
True 45° Arc Chamfering
• Twin 250 mm CNC-controlled diamond blades cut mirror-finished 45° arcs on granite, marble, quartz and engineered stone.
• Servo feed (0–3 m/min) holds ±0.1 mm repeatability across every slab.


  1. Circular-Slab Ready
    • 2 000 mm maximum processing length, 1 000 mm width, 250 mm depth—large enough for column segments and round countertops.
  2. Built for 24/7 Production
    • 51 kW total power drives both spindles and the auto water-re
  3. cycling system (4 m³/h).
    • 7 150 × 4 500 × 2 600 mm steel frame weighs ≥5 000 kg, eliminating vibration and micro-cracks.
  4. Touch-Screen Simplicity
    • 15" PLC with pre-loaded chamfering programs; upload custom G-code via USB or Wi-Fi.
    • Laser edge detector aligns the blade to the slab in under 3 seconds.
  5. Safety & Sustainability
    • Full CE-certified guarding, emergency-stop bars and integrated dust-extraction ports keep your shop OSHA-compliant.
    • Closed-loop water system cuts water costs by 70 %.
Real Results from Real Shops
68 % labor-cost reduction after switching from manual chamfering.
Rejection rate <0.5 % thanks to twin-blade stability.
ROI in 8–10 months for high-volume granite countertop plants.
Ready to Chamfer Smarter?
Request a live Zoom demo, download the CAD drawing package, and get a custom tooling quote today. Stop grinding—start earning with the CNC Twin Blade Stone Arc Chamfering Machine.
China CNC Twin Blade Stone Arc Chamfering Machine for Granite & Marble 45° High Precision supplier

CNC Twin Blade Stone Arc Chamfering Machine for Granite & Marble 45° High Precision

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