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Traditional stone carving pain points — we understand them best. So our 7 axis robot arm came out !!!
Many stone processing factories are still struggling with “complex reliefs that can’t be done, high labor costs, too much waste, and severe dust & noise.” 6-axis robots get stuck at singularity points, manual carving can only finish one small piece per day, material utilization is as low as 60%, and workers complain daily about heavy dust, loud noise, and high wages.
Jingyang Stone Machinery was established on April 17, 1997. It is a national high-tech enterprise specializing in the design, R&D, production, and sales of stone mining and processing machinery. The company has a 30,000 m² factory and a 12,000 m² comprehensive building, with more than 200 employees. Our products are sold worldwide, including to over 170 countries such as the United States, the United Kingdom, France, and Italy.
Built on KUKA robot secondary development with 7-axis redundant degrees of freedom, it breaks through the traditional 6-axis posture dead zone and supports complex path carving (such as hollowing and relief). With 28 years of stone machinery experience, we truly achieve “machines replace manual labor so bosses can focus on making money.”
| Item | Parameter |
|---|---|
| Actual Load | 210 kg |
| Max. Armspread | 2700 mm |
| Max. Processable Size | 1000×2500 mm |
| Diameter of the Rotation Worktable | 1000 mm |
| Spindle Power | 15 kW |
| Max. Rotating Speed of Spindle | 18500 rpm/min |
| Repeat Positioning Accuracy | ＜ +/- 0.06 mm |
| Tools Supported | Roughing Saw / Milling Cutter / End Mill / Polishing Wheel |
| Offline Software | Sprut CAM |
| Axis 1 | +/-185° 86°/s |
| Axis 2 | 0°/-146° 84°/s |
| Axis 3 | +155°/-119° 84°/s |
| Axis 4 | +/-350° 100°/s |
| Axis 5 | +/-125° 110°/s |
| Axis 6 | +/-350° 184°/s |
| Axis 7 | Infinite Rotation 84°/s |
Equipped with a high-frequency electric spindle (≥24,000 RPM) and diamond tools, the accuracy is only ±0.1mm.
7-axis bionic joints: mimic the sculptor’s wrist movement, enabling 360° dead-angle-free carving.
Servo motor intelligent start-stop technology saves about 25% energy compared to traditional carving equipment, and reduces dust and noise hazards by 90%.
We solve exactly the problems that trouble you every day:
1. Art Sculpting
Pain point: Manual super-fine relief and hollow carving are too slow, making it hard to achieve premium pricing.
Solution: 7-axis + 3D vision generates complex paths with one click; relief, text and hollowing are completed in one go, increasing product premium by 200%-400%.
2. Custom & Irregular Stone Processing
Pain point: Many curved surfaces, high waste, utilization rate only 60%.
Solution: Laser scanning creates a 3D stone model in 10 minutes and automatically optimizes the processing path, raising irregular stone utilization from 60% to 85%.
3. Industrial Molds
Pain point: Traditional ceramic and fiberglass mold cycles are long and delivery is slow.
Solution: Design-to-finished-product cycle shortened by 60%, enabling rapid prototyping.
Practical Implementation Steps (so you know exactly how it works):
3D Modeling & Path Planning
- 3D scanned stone blank (captures actual dimensions and surface defects)
- CAD model of carving patterns (e.g., relief, text, openwork)
- Model repair using MeshLab/Geomagic
- Generate toolpaths (G-code) in ArtCAM/PowerMill
-
Optimize robot trajectories via RoboDK/SprutCAM simulation to avoid singularities and collisions
Adaptive Carving Process
- Rapid material removal with large-diameter tools (e.g., Φ86mm diamond milling wheel)
- Feed rate: 1,500-3,000 mm/min, cutting depth 3-15mm (material-dependent)
- Detail carving with small-diameter tools (e.g., Φ2mm ball-nose cutter)
- Feed rate: 500-1,000 mm/min, cutting depth 0.5-1mm
Why do stone factories in over 170 countries worldwide choose Jingyang’s 7-axis robot?
1. Flexible & Efficient: Built on KUKA robot secondary development, 7-axis redundant freedom design breaks through traditional 6-axis posture dead zones and supports complex path carving (e.g., hollowing, relief).
2. Ultra-Precision: Repeat positioning accuracy < ±0.06mm. Equipped with a high-frequency spindle and diamond tools, the error is only ±0.1mm.
3. Intelligent 3D Vision: Laser scanning creates a 3D stone model in 10 minutes, auto-optimizes toolpaths, reducing material waste by 50%.
4. Adaptive Force Control: Real-time feedback adjusts cutting force to prevent tool overload and ensure long-term stable operation.
5. Green Manufacturing: Servo motor intelligent start-stop technology saves about 25% energy compared to traditional carving equipment and reduces dust and noise hazards by 90%.
6. One-stop Service: Customized solutions covering design, training, and full lifecycle after-sales. 28 years of experience with real cases in over 170 countries.
Q1: Is this robot suitable for the stone sizes in our factory?
A1: Max. processable size 1000×2500mm, rotary worktable diameter 1000mm, covering most tombstones, sculptures and irregular pieces. Customized solutions available for special requirements.
Q2: Is operation difficult? How many people are needed?
A2: Offline programming + 3D vision allows one person to operate. Full Chinese/English training provided; independent operation possible in 1-2 weeks.
Q3: Are the tools and consumables expensive?
A3: Supports standard diamond tools. We supply matching tools with long service life and high cost-performance, far lower than labor costs.
