[Lab] Stinky hot ends

Stephen Burke steve at envirolaser.com
Thu Mar 6 10:37:56 EST 2014

Thanks Andrew, I will send this info to my friend also.

Stephen Burke
3D Artist

613-619-1013 cell

From: Andrew Plumb 
Sent: Thursday, March 06, 2014 9:53 AM
To: mailto:lab at artengine.ca 
Subject: Re: [Lab] Stinky hot ends

Yes, I've found this to be normal for completely new components. There are often greases, oils and other volatiles used in the manufacturing and assembly process that take time to work thru and burn out of the extrusion path.

For nozzles, keep an eye open for clogs. Sometimes it's non-thermal plastic "fuzz" that bungs things up. Other times it's little pieces of metal left over from machining them.


Sent from my iPhone

On Mar 6, 2014, at 9:38 AM, "Stephen Burke" <steve at envirolaser.com> wrote:

  A friend of mine just installed some new hot ends on his 3D Touch printers.

  After installation, and when he turned it on, he noticed a foul stench arising from the hot ends.  He said they really stink.

  He mentioned that there is some potting compound on the hot ends and thinks that they may not have gone through a bake-out procedure.

  Does anyone know if it is “not unusual” for a hot end to stink, and if so, how long does it take for the smell to go away.

  Thanks for any assistance.

  Stephen Burke
  3D Artist

  613-619-1013 cell
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