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August 2020

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Steve Gregory <[log in to unmask]>, TechNet E-Mail Forum <[log in to unmask]>
Date:
Tue, 4 Aug 2020 21:13:28 -0400
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TechNet E-Mail Forum <[log in to unmask]>, Guy Ramsey <[log in to unmask]>
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Didn’t our MY15 have that control? Geeze I know the Samsung CP40 did. I
know because it could not place 0805s but it could place 0402s after our
boss”tweeked” the settings.


On Tue, Aug 4, 2020 at 5:41 PM Steve Gregory <[log in to unmask]> wrote:

> Unfortunately the MY19 does not have blow off, the newer Mycronic machines
> do, but not the MY19. We tried a larger nozzle, but it didn't work. I tried
> baking them at 170 F. for three hours, but it didn't help. Called Mycronic
> and about the only thing he could tell me is: "Yep, Cree LED's are famous
> for doing that...". The really frustrating thing is that we don't have a
> problem with the amber LED that is exactly the same package.
>
> So we're hand-placing the damn things, at 113-per...can't machine place
> them, whaddya gonna do?
>
> Steve
>
> On Tue, Aug 4, 2020 at 2:03 PM Roger Mack <[log in to unmask]> wrote:
>
> > Agree with this, larger nozzle does the trick.
> >
> > Soft top much more reliable. We found the old hard top ones very moisture
> > sensitive in assembly.
> >
> > Roger Mack
> >
> > -----Original Message-----
> > From: TechNet <[log in to unmask]> On Behalf Of Steve Herring
> > Sent: Tuesday, August 4, 2020 2:23 PM
> > To: [log in to unmask]
> > Subject: [EXT] Re: [TN] EXTERNAL: [TN] Cree Blue LED (PN#
> > CLM3A-BKW-CTBVA463) Sticking to Nozzle...
> >
> > May help to have a nozzle that touches the outside of the plastic.
> > Increasing blow-off can help.
> > Don't you just love those soft top LED's
> >
> > Steven E Herring
> > Director of Engineering
> > Pennatronics Corp
> >
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of Vargas, Stephen M
> > Sent: Tuesday, August 04, 2020 3:19 PM
> > To: [log in to unmask]
> > Subject: Re: [TN] EXTERNAL: [TN] Cree Blue LED (PN# CLM3A-BKW-CTBVA463)
> > Sticking to Nozzle...
> >
> > Steve:
> >
> >      I'm not sure of the capability of a MY-19 machine, but is there a
> > blow-off adjustment that will help remove the part from the nozzle at
> > placement? If so, can you increase this value when placing the LED?
> >
> > Regards,
> > Steve Vargas
> >
> > If you don't have time to do it right, when will you have time to do it
> > over? John Wooden
> >
> > Lockheed Martin RMS-Rotary and Miss
> <https://www.google.com/maps/search/kheed+Martin+RMS-Rotary+and+Miss?entry=gmail&source=g>ion
> Systems Polaris Contract Mfg.
> > 15 Barnabas Rd
> > Marion, MA 02738
> > 774-553-6192
> > [log in to unmask]
> >
> >  Please consider the environment before printing this e-mail
> >
> > -----Original Message-----
> > From: TechNet <[log in to unmask]> On Behalf Of Steve Gregory
> > Sent: Tuesday, August 4, 2020 2:21 PM
> > To: [log in to unmask]
> > Subject: EXTERNAL: [TN] Cree Blue LED (PN# CLM3A-BKW-CTBVA463) Sticking
> to
> > Nozzle...
> >
> > Hi All,
> >
> > We have these Cree Blue LED's (PN# CLM3A-BKW-CTBVA463) that keep sticking
> > to the $%$#&@ pick and place nozzle. We have a MY-19 and have tried
> > changing timing, nozzle diameters with no luck. We place an amber LED of
> > the same series that we have no problems with except for one or two once
> in
> > a while.
> >
> > I've tried dabbing a little Freecote mold release compound on the tip of
> > the nozzle, and now I'm putting the reel into a 170F oven to see if
> baking
> > them for a couple hours will help.
> >
> > Does anybody have any other ideas that might help?
> >
> > Steve Gregory
> >
> > --
> > Steve Gregory
> > Kimco Design and Manufacturing
> > Process Engineer
> > (208) 322-0500 Ext. -3133
> >
> > --
> >
> >
> >
> > This email and any attachments are only for use by the intended
> > recipient(s) and may contain legally privileged,  confidential,
> > proprietary or otherwise private information. Any unauthorized use,
> > reproduction, dissemination, distribution or other disclosure of the
> > contents of this e-mail or its attachments is strictly  prohibited. If
> you
> > have received this email in error, please notify the  sender immediately
> > and delete the original.
> >
>
>
> --
> Steve Gregory
> Kimco Design and Manufacturing
> Process Engineer
> (208) 322-0500 Ext. -3133
>
> --
>
>
>
> This email and any attachments are only
> for use by the intended
> recipient(s) and may contain legally privileged,
>  confidential, proprietary
> or otherwise private information. Any
> unauthorized use, reproduction,
> dissemination, distribution or other
> disclosure of the contents of this
> e-mail or its attachments is strictly
>  prohibited. If you have received
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