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Topic: SD4 With a E3D V6 printing Temps

I had been using the Stock Thermristor with my V6 but today I finally corrected the firmware and started using the V6 Thermristor. Before I had been printing ABS at 215 to 220 but I remember reading something about the v6 thermristor being more accurate and requiring much higher temperatures. I tried printing at 215 but that didnt go so well so now Im printing at 230 and it seems to be doing better.....But I was wondering what other people were printing at after making the upgrade.

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Re: SD4 With a E3D V6 printing Temps

235-265, depending on he ABS, desired print speed, and how well ventilated the printer is.

3 (edited by grob 2014-10-24 03:10:31)

Re: SD4 With a E3D V6 printing Temps

^^ tl;dr tongue

OK, to clarify, the E3D thermistor and stock thermistor are largely the same accuracy, in the order of a couple of deg C.

The difference is that the stock thermistor is mounted onto the extruder nozzle, while the E3D (as per most other hot-ends) thermistor is mounted on the heat block. In normal operation, the heat block can be 10-15 degrees hotter than the nozzle surface: so one is not 'better' than the other, they're just measuring different things!!

People get confused and say the solidoodle thermistor is "bad" or "inaccurate" or "measures 15C too low" because it's different from the majority of other hotends. It's actually a bit of an argument to work out which is more an accurate reflection of the true molten plastic temperature in the nozzle. In the end it doesn't matter - this process will work in a good +/- 10C range anyway, so all you need to do is pick a number that works and run with it (even if that number doesn't really mean anything itself). Maybe the plastic is actually leaving the nozzle and hitting the print at 200C? Who knows? EDIT: elmoret probably does!!

In answer to your question: I've settled into running ABS through my E3D v5 at 230C and it seems to go well - I haven't seen much improvement in warping or interlayer adhesion varying between about 225 and 240, but really can't comment as the test was highly unscientific. smile

SD3. Mk2b + glass, heated enclosure, GT2 belts, direct drive y shaft, linear bearings, bowden-feed E3D v5 w/ 0.9° stepper
Smoothieboard via Octoprint on RPi

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Re: SD4 With a E3D V6 printing Temps

elmoret wrote:

and how well ventilated the printer is.

Elmoret, can you explain better how ventilation affects the exturder temp. Is cause a non enclosed printer will have drafts and cool the extruder more than an enclosed one?

SD2 - Glass Bed, Fans on PCB and Y motor, Custom enclosure
Slicer - Simplify3D