EN
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 | Overall Dimensions | 1830 x 1350 x 2610 (including main and auxiliary cylinders) | mm |
| Upper/Lower Plate Size I | Phi 933 x Phi 350 x 50 (410 polishing plate) | mm | |
| Upper/Lower Plate Size II | Phi 933 x Phi 350/50 (quick-groove lapping ring plate) | mm | |
| Maximum Polishing Diameter | Φ210 | mm | |
| Pressure Range | 120-300 (two-stage adjustable) | N | |
| Carrier Wheel Parameters | Z147 | mm | |
| Number of Carrier Wheels | 6 | pcs | |
| Gear Ring Parameters | DP12 | mm | |
| Power Supply and Total Power | AC380 / 18 | V / kW | |
| Machine Weight | Approx. 4300 | Kg | |
| Lower Fixed Plate Drive | 7.5 kW worm gear reducer | ||
| Upper Plate Drive | 5.5 kW worm gear reducer | ||
| Outer Gear Ring Drive | 1.5 kW worm gear reducer | ||
| Center Gear Drive | 1.5 kW worm gear reducer | ||
| Accuracy Parameters | Carrier Wheel Forward/Reverse Rotation | Yes (software-synthesized control) | |
| Main Bearing Type | High-precision crossed roller bearing | ||
| Lower Fixed Plate Speed | 0-45 (variable-frequency speed control) | rpm | |
| Upper Plate Speed | 0-15 (variable-frequency speed control) | rpm | |
| Outer Gear Ring Speed | 0-22 (variable-frequency speed control) | rpm | |
| Sun Gear Speed | 0-25 (variable-frequency speed control) | rpm | |
| Lower Plate Runout | ≤0.04 | mm | |
| Lower Plate Flatness | <=0.015 (plate dressing available) | mm | |
| Outer Gear Ring Runout | ≤0.30 | mm | |
| Center Gear Runout | ≤0.15 | mm | |
| Pressure Control Accuracy | ±10 | N | |
| Optional Parameters | Thickness Measurement Range (Optional) | 0~25 | mm |
| Thickness Measurement Accuracy (Optional) | ±2 | um |