The MK5 has an entirely different thermal landscape from the MK4 -
more metal to heat and higher distance between the heater elements and
thermistor mean it takes a lot longer for heat from the resistors to
get to the thermistor, which make the PID settings for MK4 much
different. I get a thermal swing of more like +2/-15 degrees but it
doesn't seem to affect printing much at all. I am looking to move to
a MOSFET board instead of a relay board to drive the heater, and that
should reduce the thermal swings some. I should also re-tune the PID
but I have no experience dealing with the proportional-integral-
derivative coefficients. I think the derivative coefficient should be
the one that helps to mute the temperature swings but I'm not really
On Aug 27, 4:56 pm, Marty McGuire <schmartiss...@gmail.com> wrote:
> Hi folks,
> I'm having trouble with the PID settings and the new MK5 extruder.
> I'm currently using the PID settings that worked great with my "MK4"
> With the MK5, driven by a relay board (more on that in another thread)
> Does anyone have suggestions for how to approach tuning these
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