Z Axis Motion Control Changes
For the Z axis, we gradually changed the Z axis motion system to only one bigger motor for Nova 35\51\63 instead of two. Because according to customers' experience, two motors on Z axis makes the motorized table out of level. And after testing, the new one-motor motion system on Z axis performs better and easy to adjust. Here is a table of the change of Z axis motor and driver for your reference:
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