Article: Hard turning of ball screw nuts, up to three times faster than grinding

Calls for higher productivity and product precision as well as a lower cost price are leading the market to place the bar higher and higher. Dimensional accuracies of ≤ 2 µm and surface roughnesses of between 0.1 and 0.4 µm Ra for hard workpieces have long been par for the course.  Doing justice to these developments and keeping up with the competition requires smart investment in a machining technology that shortens cycle times and reduces the number of process steps with no loss of workpiece precision or quality

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