Face grinding of intermediate rings can be performed quickly, precisely and with the highest flatness (0.001mm) with the thickness grinding machine DSM. The machines are mainly used in the assembly when tuning bearing spacers. Time-consuming lapping is no longer necessary. Our face grinding machine is mainly used by machine manufacturers and companies offering spindle revisions. The development of the DSM started as a "special machine". Today the machine has become standard equipment for many companies all over the world.