1 Topic by mrniceguy119

  • mrniceguy119
  • Newbie
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  • Registered: 2013-07-03
  • Posts: 4

Topic: SD2 E3D v6- thermocouple or thermomister?

So i recently got a E3D V6, and unfortunately the thermomister wires snapped.   I have a little under a cm of wire an either side, so reusing it is out of the picture.  I want to, of course, get the new hotend working, and wanted to know what you guys would recommend a thermocouple or another thermomister.  If i do go with the thermocouple are there any changes that must be made to the board or extra changes to the firmware?
thanks

2 Reply by elmoret

  • elmoret
  • Filastruder
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  • Registered: 2012-10-11
  • Posts: 6,048

Re: SD2 E3D v6- thermocouple or thermomister?

If you use a thermocouple, you will also need a converter board:

http://www.filastruder.com/collections/ … board-v1-0

The thermocouple (I carry them, too) has thicker wires and can support higher temperatures (over 300C).

The thermistor is fine though, if properly strain relieved - you need to secure the wiring so it cannot flex while printing. The reason thermistor wires are thin is to reduce thermal mass of the sensor, which improves response/accuracy.

Filastruder - the robust, inexpensive filament extruder
E3Dv6 All Metal Hotend - the premier 3D printing hotend

3 Reply by Ski52

  • Ski52
  • Ski52
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  • From: Florida USA
  • Registered: 2013-10-23
  • Posts: 332

Re: SD2 E3D v6- thermocouple or thermomister?

I had the same problem with the E3D thermistor, I mashed the wires and it wouldn't heat.
Found THIS on Ebay.  I haven't adjusted the firmware or anything yet, my IMac doesn't want to seem to do anything Arduino related.  Have about 20 - 25 prints and don't see any thermistor related problems - kept my original heat settings too.
A lot easier, for me anyway, than trying to manipulate the washer & wires of the original.

Ender 3 Pro