Manual polishing machine for slabs (on column)
Columns:Cast iron made, conycal shape in the part of etching at hte floor and cylindric in the upper part. On the cylindric part, the back arm slides by means of a crank and relative gears.
Arms:Cast iron made with a special ellipticsection which gives them the max stiffness even under stress. The manouvring is very simplethanks to the registered rollers bearings erected on the joints.
Spindle:Cast iron made and assembled on adjustable ball bearings in a sliding steel tube which guarantees a perfect coaxialityand max steadiness to the holding grinding stone plates. The spindle rotation is granted by a grooved joint between shaft and pulley allowing a long life and smooth running.