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AM Ball Screws - Design and Calculations

Design and Calculations

This section covers the design calculation essentials for AM ball screws, including life rating, speed limits, load capacity, rigidity analysis, and efficiency calculations. Click the links below to view detailed content for each topic.

Topic Navigation

L

Life Rating

Fatigue life calculation, dynamic load rating, load spectrum analysis, preload considerations
n

Permissible Speed

Critical speed calculation, resonance vibration prevention, screw bearing arrangement
F

Axial Load

Compressive axial load, bearing arrangement effects, safety factors
R

Axial Rigidity

Rigidity calculation formulas, preload force setting, nut and screw rigidity
η

Efficiency

Friction angle, drive torque calculation, energy conversion efficiency

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