
Granite Engraving CNC Machine
Products Description
The Granite Engraving CNC Machine (Models: SD-3015C / SD-1325C) by Fujian Province Kaida Stone Machinery Co., Ltd. is a high-precision, heavy-duty CNC engraving solution designed specifically for processing natural granite, marble, bluestone, jade, tiles, glass, and synthetic stone materials. Engineered with a super-rigid structural design, advanced motorized spindle technology, and an efficient water-recycling cleaning system, this series delivers exceptional vibration control, high engraving efficiency, and reliable long-term performance for global stone fabrication enterprises.

technical data
| Parameter / Specification | Model: SD-3015C | Model: SD-1325C |
| Platform Dimensions | 3000 mm × 1500 mm | 1300 mm × 2500 mm |
| Feed Height | < 450 mm | < 450 mm |
| Air Speed | 15 m/min | 15 m/min |
| Processing Speed | 10 m/min | 10 m/min |
| Spindle Power | 3.2 kW ~ 5.5 kW (Constant Power Water-Cooled) | 3.2 kW ~ 5.5 kW (Constant Power Water-Cooled) |
| Spindle Speed Range | 6,000 – 24,000 rpm | 6,000 – 24,000 rpm |
| Operating Voltage | AC 220V/50Hz or AC 380V/50Hz | AC 220V/50Hz or AC 380V/50Hz |
| Supported File Formats | G Code / HPGL | G Code / HPGL |
| Positioning Accuracy | ± 0.03 mm | ± 0.03 mm |
| Repeatability Precision | ± 0.02 mm | ± 0.02 mm |
Products details

Product features
High-Performance Water-Cooled Spindle
- Features high wear resistance and high-temperature tolerance, maintaining stable torque output even during prolonged high-speed operation.
Intelligent Sludge Management & Water Circulation System
- Self-Cleaning Free Table: Eliminates the operational pain point of sludge and residue buildup on the working surface.
- Independent Filtration & Recirculation Tank: Extends the service life of the water tank and cooling liquid while maintaining continuous cooling for cutting tools.
Automated Lubrication System
- Integrated automatic oil filling system ensures consistent, maintenance-free lubrication for critical linear guides and drive mechanism parts, extending equipment service life.
Multi-Head Capability (Optional)
- Supports double-head or dual-engraving head configurations, doubling processing productivity for high-volume orders.
Material & Application Scope
The Granite Engraving CNC Machine is exceptionally versatile and suited for various stone crafting, architectural, and decorative projects:
Applicable Materials: Natural Granite, Marble, Bluestone, Jade, Quartz/Glass, Microcrystalline Stone, Ceramic Tile, Brick, Cement Board, Wood, Acrylic, and Metallic Materials.
Application Industries:
Architectural Stone Carving: Relief murals, decorative stone wall panels, column carvings, and balustrade patterns.
Tombstone & Memorial Industry: Inscriptions, lettering, line drawings, and intricate decorative motifs on granite/marble slabs.
Craft & Signage Production: Advertising lettering, 3D relief logos, stone tea trays, and custom art sculptures.
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