The Expander range of floor grinders to give the ultimate FLAT FLOOR. First, they have a fixed planetary gear driven head that works to grind all flooring surfaces flat.
The adjustable working pressure feature allow the operator to manually adjust the working pressure of the planetary head for improved the grinding production rate and it also assures a flatter result. And the spring attachments force the weight of the chassis onto the working area allowing the machine to have some slight movement during the grinding work, but always focusing the downward grinding pressure.