I would like to mount a sensor onto a shaft which can be translated axially as well rotated independently. This arrangement permits me to capture a 360 deg scan and then translate the shaft axially to scan at a different height.

How should one use a lead-screw and stepper motor coupled with some other mechanism to achieve this (non-helical) motion ? Thanks for any tip.

  • $\begingroup$ Maybe it sounds dumb, but how about just rotate the shaft and translating the sensor ? $\endgroup$ – Sam Farjamirad Nov 18 '18 at 11:59
  • $\begingroup$ Have a look at cnc machines - they know exactly where the tool and object is... $\endgroup$ – Solar Mike Nov 18 '18 at 12:17
  • $\begingroup$ Although it is possible to do as you suggest, I will be negating the advantage of the long lead-screw which I possess. Would need yet another means of translating the sensor axially. $\endgroup$ – Frost Nov 18 '18 at 18:16

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