Grundfos Challenge (version 2)

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Grundfos Challenge: Design and Integration of a Gear Unit for a Hydronic Valve into an Enclosure Box (Version 2) Realized Requirements: Gear Ratio: 500-1500 RPM (780) Output Torque: 20 +/- 1 Nm Radial Load on Output Shaft withstanding Capacity: 300 N Assembly Direction: Z-Axis Case Walls Thickness: >= 1 mm Total Efficiency: 0.94 Resource Utilization: 2000 (6700) hours No Lubrication Required No Service Needed Using a Magnetic Coupling to Limit Torque and Adjusting the Amount of Lateral Clearance in Two Stages to Obtain a Given Hysteresis Value on the Output Shaft. Modified Design of the Mechanism to Minimize Lateral Clearance in a Three-Stage Gear Transmission. Instead of Eccentric Bushings, a Composite Bracket for Assembly is Used with Linear Guides and Springs. The Direction of Movement of the Bracket is Located Between the First and Third Steps. For Guaranteed Elimination of Lateral Clearance Simultaneously with Two Gears, the Bracket with the Axis of the Second Stage Has 2 Degrees of Freedom (Clearance Along Main Movement). This Ensures that Hysteresis is Automatically Eliminated Without Disassembling the Gearbox. All Other Features Remain the Same as in Version 1.