GrabCAD
Grundfos Challenge (version 1)
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 Nm
Radial load to output shaft withstand 300 N
Assembly direction Z
Case walls thikness >/= 1 mm
Total efficiency 0.94
Resource 2000 (6700) hours
Not need lubricate
Not need service
Using 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...
Direct link to the original creator's page
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Where is Grundfos Challenge (version 1) published?
This model is published by its creator on GrabCAD. STLFinder only indexes it: the "View on GrabCAD" button above opens the original page, where the creator shares the OTHER, RENDERING, STEP / IGES files under their own license.
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This model is compatible with most FDM 3D printers (Creality Ender 3, Prusa MK3S+, Bambu Lab, etc.) and resin printers (Elegoo, Anycubic). Check the original page for recommended print settings and materials.
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