•sturdy cast iron housing-and gear assembly with hardened and ground mostly helical gears • drilling spindles according to DIN 69001 and 69002 respectively as special purpose spindles • taping spindles according to DIN 69001 with indexing device • possibility of coolant supply though the spindel • realisation of high speeds (up to approximately 12.000 rpm) by contact less sealing elements with air-barrier pressurisation • the spindles are stress-relieved and damped by couplings free form play • all modern tool locations seats directly integrated in the spindle head • the spindles and spindle assembly groups are adjustable if required • high temperature constancy of the multispindle heads during the countinous operation by additionals spindle cooling with housing respectively attainable with external aggregates • quill units and integrated quill spindles in the drilling head • displace and swing mechanism to realise different drill patterns on one multispindle head • fix or slewable test facilities • fix or springy tool guides • belt transmissioned spindle- and quill units
