Groovemount melting!!!! - MakerGear - Make Today, Change Tomorrow

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Message from discussion Groovemount melting!!!!
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From: Triffid Hunter <triffid.hun...@gmail.com>
Date: Thu, 31 May 2012 17:01:59 +1000
Message-ID: <CACL3eKBTPxAOM==+dN3GYxiNZnz9_xSew7mUBqNY0aBiaez...@mail.gmail.com>
Subject: Re: [MakerGear] Re: Groovemount melting!!!!
To: makergear@googlegroups.com
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On Thu, May 31, 2012 at 2:44 PM, Jay Couture <jay.cout...@gmail.com> wrote:

> It's possible that you have a poor connection to your termistor (is it th=
e
> same one or did you get a new one when you ordered the replacement
> hotend?). If you are melting the PEEK  <http://en.wikipedia.org/wiki/PEEK=
>(from
> wikipedia: PEEK has a glass transition temperature<http://en.wikipedia.or=
g/wiki/Glass_transition_temperature>
>  at around 143 =B0C (289 =B0F) and melts around 343 =B0C (662 =B0F).)
>

for some reason those numbers don't correlate well with reality.. the
makergear groovemount is perfectly fine at 235-240 but will drop the barrel
at 250+ so it actually behaves like it has a glass transition in the
240-250 zone.. not sure how that works, but there it is *shrug*

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<div class=3D"gmail_quote">On Thu, May 31, 2012 at 2:44 PM, Jay Couture <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:jay.cout...@gmail.com" target=3D"_blan=
k">jay.cout...@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmai=
l_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left=
:1ex">

<div>It&#39;s possible that you have a poor connection to your termistor (i=
s it the same one or did you get a new one when you ordered the replacement=
 hotend?). If you are melting the <a href=3D"http://en.wikipedia.org/wiki/P=
EEK" target=3D"_blank">PEEK=A0</a>(from wikipedia:
<span style=3D"line-height:19px;font-size:13px;font-family:sans-serif">PEEK=
 has a=A0</span><a href=3D"http://en.wikipedia.org/wiki/Glass_transition_te=
mperature" title=3D"Glass transition temperature" style=3D"line-height:19px=
;color:rgb(11,0,128);font-size:13px;font-family:sans-serif;text-decoration:=
none;background-image:none" target=3D"_blank">glass transition temperature<=
/a>=A0<span style=3D"line-height:19px;font-size:13px;font-family:sans-serif=
">at around 143 =B0C (289 =B0F) and melts around 343 =B0C (662 =B0F).)</spa=
n></div>

</blockquote><div><br></div><div>for some reason those numbers don&#39;t co=
rrelate well with reality.. the makergear groovemount is perfectly fine at =
235-240 but will drop the barrel at 250+ so it actually behaves like it has=
 a glass transition in the 240-250 zone.. not sure how that works, but ther=
e it is *shrug*</div>

</div>

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