1. Product Overview
The CNC Industrial Polishing and Grinding Machine (Dual-Head)
is designed for large heads, cones, and metal cylinders.
Featuring dual polishing heads and high-power variable-frequency motors,
it delivers high-efficiency, high-precision internal and external surface polishing.
Equipped with a 20-ton heavy-duty workpiece turntable
and a rigid support system, the machine can process workpieces
ranging from φ1000 to φ8600mm.
It is widely used in petrochemical, energy, and pressure vessel
manufacturing applications.
2. Product Features
| Feature | Description |
|---|---|
| Dual Polishing Heads | Two 7.5kW Wannan secondary motors with variable-frequency drive, equipped with 2540×55mm sanding belts for high-efficiency polishing |
| Heavy-Duty Clamping Plate | Three-side clamping structure with 8×140mm and 16×100mm rollers (24 rollers in total) ensures stable and reliable processing |
| High-Rigidity Structure | Main column 400×600×10mm, height 6000mm; crossbeam 200×300×8mm, length 7800mm; small column fixed design with 2600mm vertical stroke |
| Large Workpiece Capacity | 20-ton turntable with six 20#H steel support rods, suitable for workpieces from φ1000 to φ8600mm |
| CNC Precision Control | Guge pulse-type 2-axis CNC system (218TEc) enables accurate polishing paths and repeatable positioning |
| Flexible Tooling | Equipped with 200mm and 150mm rubber wheel tooling to meet various surface polishing requirements |
3. Technical Specifications
| Parameter | Specification |
|---|---|
| Main Column | 400×600×10mm, height 6000mm, effective stroke 4000mm |
| Crossbeam | 200×300×8mm, length 7800mm, effective stroke 6000mm |
| Clamping Rollers | 8×140mm + 16×100mm, total 24 rollers |
| Small Column Stroke | 2600mm |
| Dual Head Motors | 2×7.5kW Wannan secondary motors, variable-frequency control |
| Sanding Belt | 2540×55mm |
| CNC System | Guge pulse-type 2-axis CNC system (218TEc) |
| Turntable | 20-ton load capacity, workpiece range φ1000–8600mm |
| Turntable Dimensions | 3000×3000×580mm (height) |
| Rotating Support | Ø110×45×1000mm |
| Center Disc | Thickness 35mm, diameter φ2300mm |
| Total Weight | 4000kg |
4. Processing Scope & Applications
Suitable for internal and external surface polishing of large heads,
cones, and metal cylinders.
Widely applied in pressure vessels, storage tanks,
petrochemical equipment, energy devices,
and other large metal products requiring high surface finish
and precision craftsmanship.
