Hi Steve, Thanks for the response. Your response was the premise behind my question and as to why I presented the question. Most folks I talked to due measure the first board and then again at some quantity or time after and as you put it is there a benefit to the investment? Lets see what we get! Thanks Dan mauro Steve Gregory writes: > Hi Tom! > > Yes, and those systems aren't that cheap either! > > Let me just throw this question out to everybody; let's assume that the > stencil has been ordered correctly (correct thickness for the type and pitch of the > components being placed), the printer has been set-up correctly (correct > squeegee speed, pressure, and separation speed, along with proper board support), > is there REALLY any value added, or will things vary THAT much when using > METAL squeegee blades, that thickness measurements need to be done every 25 boards > or whatever, during a run? > > I have my own opinion, and experiences about this...but I would like to hear > what everybody else thinks. > > -Steve Gregory- > >> Use ASC212 for solder paste thickness and volume. Currently check the first >> two boards at beginning of the run and every hour thereafter. Have >> experience with CyberOptics LSMII and Sentry- running a gage R&R will reveal a lot >> about the measuring system. Depending on the system the GR&R ranged from 5 to >> 25% . >> >> Tom Gervascio >> Senior Process Engineer >> Sparton Electronics >> (352) 540-4040 >> > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 1.8e > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 > ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------