So I may have kind of bought a thermal cam module, and I wanted to see what my Taz looks like under temperature. My intent is to replace the glass heated bed with an aluminum plate once the replacement parts get here (to enable inductive auto leveling amongst other benifits) so I wanted to get a good baseline. I also still have my buddaschnozzle attached even though i do have the parts to make a hexagon hotend on my desk. So, I figured I would get a baseline of that. If anyone would be interested I could take video as well, or specific shots of whatever components. My Taz started out life as a 3, upgraded most of the way to 4/5 spec. So the heated bed itself at this point is the one that would have shipped with a 3, with a different PEI coating, etc. These pictures may or may not be representative of the bed in a 4 or a 5 at this point. I don’t think the parts have changed all that much, but I don’t have one to compare it with either.
Overall findings so far:
There is a cold spot on my bed in the exact center, and following the cable back from the center to the edge. It is on average 20 degrees F (6 degrees c) cooler in that spot.
The cables in my Taz operate at about 70 degrees F overall.
The heated bed when set to 92c is reaching 86c at its hotest points. located at in from the corners about 50mm on all 4 sides.
The heated bed cable is probably acting as a heat sink.
The bottom of the extruder motor and the cables to the hot end get warm.
I’m not great yet at taking thermal pictures with a cell phone.
This was static, not in motion at all so no air movement is in effect
Holding a thermal camera at an angle makes one side of the bed look colder, when it actually isn’t (other than the aformentioned cold spot)
There was no sign of a zig zag grid initial heat pattern in the heated bed as seen in the heated bed review that someone else posted on the reddit forum a while back.
heater block and hotend
my foot and pants leg for comparison.
Fins of the Buddaschnozzle
Overall Heated bed at 92c