Screw drives consist of a spindle with a thread profile and convert a rotary movement into a longitudinal movement – or vice versa. The best-known type are ball screws, which are now used almost exclusively in practice and have replaced trapezoidal screws, their predecessors. The article on the calculation principles first contains a definition of screw drives from a mathematical point of view, followed by information on the calculation of drive torque, service life and load ratings, among other things. In the chapter on assembly, you will find assembly instructions as well as everything you need to know about tolerances.
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