Thanks everybody for the advice! Some of the parameters I did not include
earlier were: metal squeegee blade, stencil aperatures were printing pad
size, and we are getting good gasketing.  We ended up with a squeegee speed
of 1.5-1.6 in/s (or about 40mm/s)when we were printing boards with one
20-mil QFP, among various other larger-spaced parts.  We had originally been
at 0.6 in/s (about 15 mm/s)and having to wipe the stencil every five passes
to get the stencil to release the paste on the QFP aperatures.  We then
tried 1 in/s and finally 1.5 in/s.  At these speeds, the stencil had to be
wiped once out of one hundred passes (for boards with more 20-mil parts I
may slow it down).  Good enough for me, and the operator had no complaints.
Now we are ready to run!  I  just wanted to thank everybody for this, and
past, advice and let you know how it turned out!

Ryan Jennens
TelGen Corp.

################################################################
TechNet E-Mail Forum 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's web site (http://www.ipc.org) "On-Line Services" section for additional information.
For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312
################################################################