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December 1998

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Wed, 16 Dec 1998 17:47:25 -0600
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Graham,

Give me a call off line, 972-494-1911. We help a lot of people get away from
the aluminum.

Jim Gleason
Garland Service

-----Original Message-----
From: Collins, Graham <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Wednesday, December 16, 1998 6:02 AM
Subject: Re: [TN] aluminium PCB transportation trays


>Ian
>I hope you aren't counting on that snow, in defiance of normal weather
>patterns we in eastern Canada have had only a dusting of snow, and in
>Toronto it has been about 10 degrees C for days...  Santa will have to put
>the wheels on this year.
>
>Re the trays, if I can use a titanium pallet for wave soldering, what can
be
>wrong with an aluminium tray for movement (although we use plastic tote
bins
>ourselves)?
>I think a conductive plastic tray would be preferable as it is a bit softer
>and marginally less likely to involve physical damage to boards, but
>aluminium should be OK.  With respect to ESD, the conductive properties are
>different but in a properly ESD safe environment would it matter?  Plastic
>would be safer for the operator if the tray happened to come in contact
with
>live wires, but how big an occurrence is that for you/them???
>
>Have a Cool Yule!
>
>Graham Collins
>Process Engineer,
>Litton Systems Canada, Atlantic Facility
>(902) 873-2000 ext 6215
>
>
>-----Original Message-----
>From: Ian Squires [mailto:[log in to unmask]]
>Sent: Wednesday, December 16, 1998 2:44 PM
>To: [log in to unmask]
>Subject: [TN] aliminium pcb transportation trays
>
>
>Good morning all
>        My last post before xmas i hope (leaving rainy england and visiting
>snowy Canada for the hols).
>Enough about my vacation (first one all darn year).
>        The problem is this: we have a particular CEM who transport all
>their PCB's on ALiminium trays, anywhere from one to 20 assemblies per
tray.
>Is this good practice, What about ESD, Mechanical damage to components and
>boards, any other.
>
>Or is it perfectly acceptable as they are intimating?
>
>Happy Xmas to all
>
>Ian Squires
>
>
>Regards
>Ian Squires
>Senior Production Engineer
>-------------------------------------------------------
>
>Graseby Dynamics Ltd
>A Smiths Industries Company
>Park Avenue, Bushey, Watford, Herts, WD2 2BW
>Web Site: www.gradyn.co.uk
>Phone:    01923-228566 xt 295
>Fax:      01923-221361
>E-mail:   [log in to unmask]
>
>Registered in England no. 480992
>Registered office:
>765 Finchley Road, London, NW11 8DS
>-------------------------------------------------------
>
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