The SAPHIR 550 with RUBIN 520 is a single wheel grinder and polisher of recent generation with an innovative grinding and polishing head for working wheels Ø 250-300 mm. 
 The head RUBIN 520 is equipped with an automatic protective hood and sets a new standard for operational safety. Single and central pressure, memory function, integrated dosing system, material removed measurement are only a few of the possibilities. 
 Motor-driven height setting with pneumatic clamping and all characteristics of the basic unit Saphir 350 meet the highest demands. The removal height can be pre-determined with 0.01 mm accuracy. The material removed measurement takes place automatically. After reaching the preset value, the machine switches off.
| Working wheels | ø 200 - 300 mm | 
| No. of samples (single pressure) | 1-6 samples ø 50 mm | 
| Single pressing force | variable, 5-80 N | 
| Central pressing force | variable, 20-400 N | 
| Connection power | 3.2 kVA | 
| Drive power (base) | 0.75 kW S6/40% | 
| Drive power (head) | 0.17 kW S1 | 
| Speed (grinder) | 50 - 600 rpm | 
| Speed (head) | 30 - 150 rpm | 
| W x H x D | 560 x 550 - 650 x 660 mm | 
| Weight | ~ 85 kg | 
| Water connection | 1x fresh water connection R½" max. 6 bars | 
Content may be subject to modifications or corrections