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    Posts made by JabawokJayUK

    • Cabinet Heater Control

      Hi, first post so be gentle 🙂

      By way of some background, I have recently converted a Tevo Black Widow to Duet Maestro and am very happy with the improvements. The printer is heavily modified from stock with linear rails, H carriage bearings, E3D Titan Aero and custom CFNylon Hardware.

      This particular printer lives in a custom MDF enclosure in the garage. The enclosure has a 240v 1500w IR heater driven off an SSR by the Duet using BangBang Control. The issue I have is once I am up to temp (60c) the maintenance of the temperature by the controller is quite rapid, i.e, it will flash the heater on and off quite quickly.

      The question I have is.... Is there a way to reduce the frequency of the temperature maintenance or extend the acceptable degrees variance in temperature.

      eg, currently its maintaining 60c +/- 0.2c whereas if I could maintain 60c +/- 2c it would be on and off less frequently and for longer periods of time whcih would better prolong the life of the bulbs.

      Any thoughts?
      Thanks
      Jay

      posted in Tuning and tweaking
      JabawokJayUK
      JabawokJayUK