Welcome! Log In Create A New Profile

PTFE tube spark?

Posted by antlvk

Forum List Message List New Topic

antlvk

PTFE tube spark?
December 07, 2014 12:54AM

Registered: 10 years ago
Posts: 147

Something funny just now happened. PTFE tube to feed pla to the head just sparked.... only once but wonder why?

Reply Quote

dc42

Re: PTFE tube spark?
December 07, 2014 04:08AM

Registered: 10 years ago
Posts: 14,672

Static? The continual rubbing of filament against the PTFE tube is exactly the sort of thing that may build up charge.

Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

Reply Quote

ormerod168

Re: PTFE tube spark?
December 07, 2014 04:12AM

Registered: 10 years ago
Posts: 1,230

From Inside the PTFE tube? - static electricity most likely as "there will be a great rubbing of parts" (Quote: Blood and Thunder Prophet, Life of Brian)
[www.imdb.com]

Erik

Reply Quote

dmould

Re: PTFE tube spark?
December 08, 2014 08:20AM

Registered: 10 years ago
Posts: 2,472

Quote
antlvk
Something funny just now happened. PTFE tube to feed pla to the head just sparked.... only once but wonder why?

Where did it spark to?

Dave

Reply Quote

ormerod168

Re: PTFE tube spark?
December 08, 2014 02:01PM

Registered: 10 years ago
Posts: 1,230

Quote
dmould
Where did it spark to?

Dave

My guess: he was running the filament through the extruder in the empty PTFE tube and the sparks flew just when the filament met the metal part of the hotend - it was love at first sight

Erik