Subject: | |
From: | |
Reply To: | |
Date: | Thu, 16 Dec 1999 16:06:17 -0800 |
Content-Type: | text/plain |
Parts/Attachments: |
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Peter,
Is there any way to put a scavenger piece to scrape/displace the part off
the tape back into the pocket when the tape backing is removed?
/< the tape
piece =>| /
| /
|/
_________(___________________________
The reel
Ken Stephens, President
CAD 2 CAM, Inc.
http://www.cad2cam.com
503-246-4692
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]]On Behalf Of Peter Wong
> Sent: Thursday, December 16, 1999 3:28 PM
> To: [log in to unmask]
> Subject: Re: [TN] Tape and reel cover tape: a sticky situation
>
>
> Hi Steve,
>
> Thanks for the insight. I went to the part and tried to "twang" the tape
> and listen for loose parts moving inside the pocket. I heard
> nothing. Went
> to the feeder sitting next to it, made by a different manufacturer of
> course, and could hear the parts moving in the pocket!
>
> Now I have to get more parts from my customer.
>
> Peter
> ----- Original Message -----
> From: "Stephen R. Gregory" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, December 16, 1999 3:06 PM
> Subject: Re: [TN] Tape and reel cover tape: a sticky situation
>
>
> > In a message dated 12/16/1999 4:17:36 PM Central Standard Time,
> > [log in to unmask] writes:
> >
> > << I'm having a problem with one 0805 cap part number where the
> parts are
> > being pulled out of the pocket before the placement head can pick it up
> and
> > they are sticking to the cover tape as it is pulled back from
> the pick up
> > position.
> >
> > I have tried another reel and still the same problem. I'm
> guessing it is
> a
> > static charge that is being generated that is causing this. Don't think
> it
> > is glue. I have another 0805 cap in a feeder right next to this one and
> it
> > is not having this problem.
> >
> > This is a consignment build with the customer supplying us
> with only two
> > reels.
> >
> > Any ideas?
> >
> > Peter Wong
> > Silicon Forest Electronics, Inc. >>
> >
> > Hi Peter!
> >
> > It could be the cover tape...the cover tape could be a P.S.A. (Pressure
> > Sensitive Adhesive) tape. It normally doesn't happen because a
> cap usually
> > sits in it's pocket low enough so that the tape won't contact
> it. BUT, if
> the
> > cap is pretty thick and maybe in the wrong sized carrier tape (not deep
> > enough pockets), it may sit high enough in the pocket to
> contact the tape,
> > and if it's a PSA tape I could see how that might happen...
> >
> > -Steve Gregory-
> >
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