One. Device Uses 1. This machine is the latest piece of polished sapphire developed equipment can also be used as single-precision polishing other materials. II. Features of the machine under selling stainless steel, the material is 316 stainless steel polishing head, bearing plate for the alumina ceramic pieces, throwing the head and upper primary selling feature forced cooling (optional chiller), the use of infrared temperature measurement, the closed-loop temperature control; four polishing head rotation frequency control initiative, polishing head pressure proportional valve with electrical regulation implements the multi-stage pressure control, a large section of the automatic pressurization; adapted sapphire machining process requirements. 2. On the control using a PLC and HMI control, easy to operate, display rich, according to user requirements to develop software; 3. Using a magnetic stirrer stirring pump, a liquid outlet partakers with fluid device and precipitation tank; rinse with gun. The electrical control devices are foreign brands (OMRON, Raytek, Izumi, and Schneider, etc.), reliable and stable; the main drive with a Tsubaki ring enveloping worm gear box, four polished head with a Taiwan Liming gear motor drive, running smooth long life. Three. The main technical parameters of a device. Polishing Dimensions: φ914mm (SUS410) 2. Φ360mm diameter platter bearing ceramic plate fixation methods: using a fixed retainer plate 3. The method of polishing speed under 0-90rpm (FM governor) 4. Four polishing head speed 0-90rpm (frequency modulation speed) 5. polishing head number 4 cylinder diameter φ100mm 7. 6. polishing head lifting stroke 250mm 8. The maximum set pressure: 300kgf 9. Minimum set pressure: 20kgf 10. The main motor 11kW 11. head drive motor 0.75kW × 4 12. Dimensions : 1280mm (W) × 1870mm (D) × 2450 mm (H) 13. Weight: about 3500kg four. Equipment installation environment equipment should be installed flat on the ground, away from sources of vibration, dust, smog-free place. 1. Working temperature: 15 ℃ -25 ℃ 2. Air Source: 0.4-0.6MPa (dry and oil) 3. Relative humidity ≦ 80% 4. Power: AC380V, 50Hz (three-phase five-wire system) 5. Cooling water pressure: 2kgf / cm2 or less water: 15L / min Temperature: 7 ~ 12 ℃