Noise

Discussion in 'Motion System' started by twam, Dec 22, 2019.

  1. LucasPaw

    LucasPaw New Member

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    @twam With the modifications how loud is it now compared to the mk3 on normal mode?
     
  2. leving

    leving Member

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    By lowering the current, you may experience a problem with homing not working reliably. If you change the current on a permanent basis, add something to increase to 1800 again in the home.g.
    I was able to lower the noise a lot by changing the hotend cooling fan's speed to 128, and did not experience any problem with hour-long prints.
    My silent macro:

    M106 P1 S128 H1 T70 ; reduce hotend fan speed T0
    M106 P3 S128 H2 T70 ; reduce hotend fan speed T1
    M106 P5 S128 H3 T70 ; reduce hotend fan speed T2
    M106 P7 S128 H4 T70 ; reduce hotend fan speed T3

    M906 X1000 Y1000 ; decrease current for x / z motor, reset to 1800 on homing
    M204 P1000 T3000 ; decrease acceleration for print moves
     
  3. leving

    leving Member

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    karma ... 10 minutes after posting, the hemera clogged ... can't recommend to lower the hotend fan's speed ;-)
     
  4. dc42

    dc42 Well-Known Member

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    The TMC2660 drivers on Duet 2 also support a feature called coolStep, which can be used to reduce current (and therefore motor noise) at low speeds.
     
  5. Spoon Unit

    Spoon Unit Well-Known Member

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    Could you add the step file for that design please?
     

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