The SAPHIR 560 with RUBIN 520 is a twin wheel grinder and polisher of recent generation with an innovative grinding and polishing head for working wheels Ø 200-300 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 360 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.