- modular wheelhead variants: ur, r. centre height: 175 mm distance between centres: 600 or 1000 mm - ur-wheelhead for external, internal and face grinding in one set-up. fitted with a high-resolution b-axis, as standard.......- modular wheelhead variants: ur, r. centre height: 175 mm distance between centres: 600 or 1000 mm - ur-wheelhead for external, internal and face grinding in one set-up. fitted with a high-resolution b-axis, as standard. - r-wheelhead for external cylindrical grinding. - c-axis on workhead for grinding of profiles and threads. - rigid internal grinding attachment for ur-wheelhead for use of hf-internal grinding spindles. - hydrostatic guideways for z-and x-axes movements, as standard. - various software packages such as for the generation of dressing programmes (profiling of grinding wheels).