Grundfos Challenge (version 1)
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Grundfos Challenge: Design and integration of a gear unit for a hydronic valve into an enclosure box (version 1)Realised requirements:Gear ratio 500…1500 RPM (780)Output torque 20 +/-1 NmRadial load to output shaft withstand 300 NAssembly direction ZCase walls thikness >/= 1 mmTotal efficiency 0.94Resource 2000 (6700) hoursNot need lubricateNot need serviceUsing a magnetic coupling to limit torque and adjusting (the maximum allowable decrease) the amount of lateral clearance in two stages to obtain a given hysteresis value on the output shaft.See more description in attached files...
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