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Subject:	Re: URGENT --- Lubricant for press-fit
From:	Parial Swati <[log in to unmask]>
Reply To:	TechNet E-Mail Forum <[log in to unmask]>, Parial Swati <[log in to unmask]>
Date:	Sat, 28 Aug 2004 11:40:05 +0530
Content-Type:	text/plain
Parts/Attachments:	text/plain (113 lines)

Is there also a method for assembling press fit connectors in case the
holes are over size ?
For example, the holes are over size by 0.001" to 0.002" from the upper
limit of the specifications,
is there a possibility of saving the boards from rejection ?

Regards,
Swati...



|---------+---------------------------->
|         |           Rey Sosa         |
|         |           <reys@PENTAGON-EM|
|         |           S.COM>           |
|         |           Sent by: TechNet |
|         |           <[log in to unmask]>|
|         |                            |
|         |                            |
|         |           08/20/2004 05:04 |
|         |           AM               |
|         |           Please respond to|
|         |           TechNet E-Mail   |
|         |           Forum; Please    |
|         |           respond to Rey   |
|         |           Sosa             |
|         |                            |
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  |                                                                                                              |
  |       To:       [log in to unmask]                                                                              |
  |       cc:       (bcc: Parial Swati/NAN/ATS/IN)                                                               |
  |       Subject:  Re: [TN] URGENT --- Lubricant for press-fit                                                  |
  >--------------------------------------------------------------------------------------------------------------|




Ken,
 How undersized is the hole? What is the type of plating finish. I have
used a connector lubricant before on ENIG plated boards. It is very
expensive. (Over $1000.00/gallon). It allowed me to press in connectors
on holes .001-.002" smaller than spec. Because the raw boards alone were
$2.5k it was worth it but it doesn't open the process window that much.

Rey Sosa
Pentagon EMS
(503) 924-2747

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Ken Patel
Sent: Thursday, August 19, 2004 3:18 PM
To: [log in to unmask]
Subject: [TN] URGENT --- Lubricant for press-fit

All,

I have undersized press-fit holes on my board and they are processed
half way. What options do I have besides hand soldering? Does anyone
know about electronic grade lubricant?



Any help will appreciate.



Re,

Ken Patel


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