the s33 is designed for the grinding of medium-sized workpieces in individual and large series production operations. it can be automated and is especially suitable for use in the tooling and precision mechanics sectors, ......the s33 is designed for the grinding of medium-sized workpieces in individual and large series production operations. it can be automated and is especially suitable for use in the tooling and precision mechanics sectors, for example. with the various accessory kits, such as measuring control, balancing system and gap elimination, it can easily be adapted to new grinding jobs. distance between centres of 650 (25.6") or 1000 mm (39.4")