Hi, Bob,

IPC-A-610 shows how lacing card should be tied, but if you're in any doubt
(and were a good boy scout), each knot should be a clove hitch with a reef
knot tied over the top. For added security (not absolutely necessary), burn
the loose ends short with a soldering iron and cover the knot with a
suitable varnish.

For tying things like IC's down, I recommend you have a double thickness of
cord going round the component body, and make sure each turn is pulled up
tight i.e. make sure the cord isn't at an angle that will slip and become
loose, before doing the clove hitch.

Hope this helps.

Pete Duncan
Asst Principal Engineer
ST Aerospace





                    bbarr
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                    Sent by:             Subject:     [TN] Lacing Tape
                    TechNet
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                    03/30/01
                    10:29 PM
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                    bbarr






Not exactly a high-tech question, but...could anybody point me to a
document, web site, etc. that shows the proper method for tying lacing cord
knots? Our customer wants us to tie down socketed ICs with lacing cord. I
have been away from defense work too long to remember where this info came
from.

Thanks.


Bob


Robert Barr
Manufacturing Engineering
Formation, Inc.
Voice: 856-234-5020 x3035
Fax: 856-234-6679
email: [log in to unmask]

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