This machine is designed for high-precision double-sided lapping and polishing. It is suitable for hard and brittle materials, optical materials, ceramics, wafers and precision components requiring strict flatness, parallelism and surface quality.
The following parameters are provided for product selection and technical communication. Specific configurations can be customized according to the customer's material, process target and on-site requirements.
| Category | Item | Value | Unit |
|---|---|---|---|
| Machine Parameters | Footprint | 1860 x 1450 x 2650 (including main and auxiliary cylinders) | mm |
| Upper/Lower Plate Size I | Phi 1154 x Phi 364 x 50 (410 stainless steel) | mm | |
| Upper/Lower Plate Size II | Phi 1154 x Phi 364 x 50 (ductile iron) | mm | |
| Maximum Polishing Diameter | Φ390 | mm | |
| Carrier Wheel Parameters | Pitch circle Phi 423.34 / Module DP12 | mm | |
| Number of Carrier Wheels | 5 | pcs | |
| Module (DP) | DP12 | ||
| Power Supply and Total Power | AC380 / 20 | V / kW | |
| Machine Weight | Approx. 7000 | Kg | |
| Upper Plate Drive | 7.5 kW precision worm gear reducer | ||
| Lower Plate Drive | 7.5 kW precision worm gear reducer | ||
| Sun Gear Drive | 1.5 kW precision worm gear reducer | ||
| Outer Gear Ring Drive | 2.2 kW precision worm gear reducer | ||
| Carrier Wheel Forward/Reverse Rotation | Yes (software controlled) | ||
| Accuracy Parameters | Main Bearing Type | P5-grade crossed roller bearing | |
| Upper Plate Speed | 0-20 (variable-frequency speed control) | rpm | |
| Lower Plate Speed | 0-50 (variable-frequency speed control) | rpm | |
| Sun Gear Speed | 0-22 (variable-frequency speed control) | rpm | |
| Outer Gear Speed | 0-16 (variable-frequency speed control) | rpm | |
| Lower Plate Runout | ≤0.4 | mm | |
| Lower Plate Flatness | <=0.015 (on-site plate dressing available) | mm | |
| Outer Gear Ring Pin Runout | ≤0.35 | mm | |
| Center Gear Pin Runout | ≤0.2 | mm | |
| Inner/Outer Gear Ring Concentricity | ≤0.4 | mm | |
| Pressure Control Accuracy | ±10 | N | |
| Optional Parameters | Thickness Gauge Control Accuracy (Optional) | ±2 | um |