> APPLYING A FEW TONS OF PRESSURE TO AN ASSEMBLY to attach a connector seems
> to me to be primitive method.

        >Like a blistering thermal excursion, or contact with a substance
        >at much higher than Tg, what appears as brutality actually will
        >work quite well with a little finesse added into the mix.  A pwb
        >structured for press-fit will have a very well defined construction
        >in the plated through hole, such that the compliant pin makes con-
        >trolled contact with the barrel in soft metal.

     Define 'finesse' with a 50 ton press.  I've been told that this
     process is really an art, & controlling it is very difficult.  Do you
     agree?

     Also, how soft do you consider copper?  Do you think it will vary
     enough to make an insertion process difficult?


     Matt Byrne
     HADCO

##############################################################
TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
##############################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe:   SUBSCRIBE TECHNET <your full name>
To unsubscribe:   SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information.
For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
##############################################################