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  1. Hina Shah

    Enclosure for blind display

    Hi, Context - The produuct that I am working on currently requires a blind display. They have LEDs on the back side with stencil on top of it, that creates graphics and projects them on to the white plastic. The display is visible only when the unit is turned ON. Else, it is a plain white...
  2. Hina Shah

    Ball screw drive vibrations

    I am using a NEMA 17 stepper motor. I tried the damper used commonly in 3D printers. See pictured attached. However, not much difference in the vibration is seen on the holder. It still takes 30mSec to settle...
  3. Hina Shah

    Ball screw drive vibrations

    Thank you for the suggestions. I will look up the rigidity of structure and get some machining done in Steel, instead of aluminium. Is there any good reading material for improving stiffness by geometry?
  4. Hina Shah

    Ball screw drive vibrations

    I am trying to use a stepper motor + ball screw drive to move my 'holder' (refer image) precisely by a few microns. The ball screw is C3 accuracy and has a diameter of 8 mm and pitch of 1 mm. There is a linear guide and block behind the ball screw. All parts are machined in Aluminium 6061-T6. We...

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