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Date: Thu, 31 May 2012 07:47:13 -0400
Message-ID: <CAJVaHfpNKu9tjJj2rDH6jAcWRWvfrfgCjWLuSkk8_7ViZWh...@mail.gmail.com>
Subject: Re: [MakerGear] Re: Groovemount melting!!!!
From: John Yang <lj.johny...@gmail.com>
To: makergear@googlegroups.com
Content-Type: text/plain; charset=ISO-8859-1
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most likely it is simply increased creep occuring at the lower temps
below the glass transition temp

On Thu, May 31, 2012 at 3:01 AM, Triffid Hunter
<triffid.hun...@gmail.com> wrote:
> On Thu, May 31, 2012 at 2:44 PM, Jay Couture <jay.cout...@gmail.com> wrot=
e:
>>
>> It's possible that you have a poor connection to your termistor (is it t=
he
>> same one or did you get a new one when you ordered the replacement hoten=
d?).
>> If you are melting the PEEK=A0(from wikipedia: PEEK has a=A0glass transi=
tion
>> temperature=A0at around 143 =B0C (289 =B0F) and melts around 343 =B0C (6=
62 =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 barr=
el
> 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*