To the person who super glued the glass bed on the 3d printer

[Richard]

To the person who super glued the cracked glass bed to the heat plate of the 3d printer...Don't. it's already too late. Hopefully it separates with enough heat cycles. ASK the section lead before attempting and repair or modifications to the printer. If you don't know who is the section lead, you probably aren't the lead. We have many ways of finding out these things, Google Groups is one of them. Ben's the section lead, but anyone could have told you that supergluing the bed is a bad idea.

[Trenton Wilson]

I'll add (looking at it in front of me now) that its not an insignificant amount of super glue someone added.  Its like they emptied the remainder of the glue all over the bottom of the glass plate.  gluing down a corner with a very small drop of glue is sufficient to keep the bed in place, maybe two corners on a single side.  Part of the reason the glass cracked in the first place was because someone glued down all four corners a few weeks back rather than just two.  The heat stresses are insignificant when compared to the stresses induced because of the difference in coefficient of thermal expansion of the two materials.

On Fri, Mar 17, 2017 at 9:36 AM, Richard <rql...@gmail.com> wrote:

To the person who super glued the cracked glass bed to the heat plate of the 3d printer...Don't.  it's already too late.  Hopefully it separates with enough heat cycles.  ASK the section lead before attempting and repair or modifications to the printer.  If you don't know who is the section lead, you probably aren't the lead.  We have many ways of finding out these things, Google Groups is one of them.  Ben's the section lead, but anyone could have told you that supergluing the bed is a bad idea.

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[Jacob Christ]

Maybe we need to offer a class on thermal expansion of dissimilar materials?

Jacob

Jacob Christ
ProLinear/PONTECH, Inc.
+1 (909) 652-0670 Phone
http://www.pontech.com

[Trenton Wilson]

^

[Ben]

The glass was there for quite a long time without an issue just being taped on. Not sure why the change?

[Trenton Wilson]

super glue obviously isnt the best, but there isnt a lot of room for clamps and the kapton tape isnt sticky enough to really hold things in place.  a high temp flexible adhesive would work just great... like silicone.  However, silicone is very hard to clean up... i'm not sure whats best.

On Fri, Mar 17, 2017 at 11:45 PM, Ben <ben...@gmail.com> wrote:

The glass was there for quite a long time without an issue just being taped on. Not sure why the change?

[Richard Lee]

Mini binder clips work very well.  Just remove the wire handles after it's been clipped

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[Jacob Christ]

One thing I think is important to say is that whomever did this should not feel like they are not welcome. Or that they made some horrible mistake. Instead we should just make sure that everyone knows that if you damage a tool that the section head should be notified. 

Jacob

[John Cunningham]

I second that! Thanks Jacob.