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Lead Screw Engagement/Disengagement

Discussion in 'Concepts and Ideas' started by gorka, Nov 17, 2016.

  1. gorka

    gorka New
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    Hello everyone,

    I’m trying to design a simple mechanism (actuated by a motor or solenoid) that would allow to engage/disengage the nut to a leadscrew in a linear actuator, allowing this way the gantry to slide unconstrained.

    Do you have any suggestion/references I can have a look at? Any practical advice? Thanks!
     
  2. Joe Santarsiero

    Joe Santarsiero OB addict
    Staff Member Moderator Builder

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    Would a halfnut work?
    Google lead screw halfnut.

    Joe
     
  3. gorka

    gorka New
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    Hi Joe,

    Thanks for the reference, I think it could potentially work! All the applications I’ve found so far are either in an industrial context or lathe machines, however for my project I’m using an acme 8mm lead screw (ACME 8mm Lead Screws) and quite small linear actuator. Do you know if it’s possible to achieve such a mechanism with Openbuilds components or similar? Thank you!
     

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