Brushless servomotor MR 68/69 series

AChollow-shaftcompact

Characteristics of the AC Servo Motors ■ Maintenance-free, since brushless ■ High dynamics ■ Wide speed control range ■ High power density due to rotor with rare earth permanent magnets ■ Compact servo motors for universal use ■ Ball bearings with grease filling for 20,000 operating hours ■ Integrated resolver for sinusoidal commutation, optional optical encoders (incremental or absolute, single- or multiturn) for highest dynamics and accuracy ■ Insulation according to insulation class F, DIN VDE 0530 ■ Easy connection of motor and encoder using connectors or terminal boxes ■ Self-cooling, on request cooling through external fan motor ■ Design with flange according to DIN 42 677, installation position as required ■ Form according to DIN IEC 34 part 7, IM B 5 ■ Bearing plates and housings made of high-quality light metal alloy ■ Speed of up to 15,000 r.p.m. possible ■ Rotor dynamically balanced according to vibration severity grade R, on request S as specified in DIN EN 60034-14 (VDE 0530-14) or vibration severity grade N according to DIN ISO 2373 ■ Standard shaft end without groove, special version possible, e. g. with keyway ■ Special motors, e. g. short motors (MR 68), high-grade steel flange and shaft, e. g. for applications in the foods industry (MR 74), hollow-shaft design available ■ Holding brake optional