Thanks Ron,
Great stuff, you're among a number of people now who've recommended the
Soltec machine with the Select X de-bridging option.
Martin
===== Original Message from [log in to unmask] (TechNet E-Mail Forum.) at
21/08/00 15:22
>Martin:
>We also had Hollis equipment which did a fine job, however, the preheat and
>other areas such as upkeep, and the inability to be more flexible with
>fluxes caused us to buy a new machine. We narrowed the field to three of
>the major players in the wave solder equipment field. I will not go into
>detail online and name all three only the one we chose. We visited each of
>the three suppliers and tested their machines using our boards. At the "end
>of the day" we chose to go with Soltec's 6322 machine. I think that's the
>number.
>
>This machine has finger conveyor, spray fluxer, a nitrogen boundary system
>around the pot to reduce dross, a center support wire, 18.2" wide conveyor,
>and a Select X debridging system (programmable hot air knife). The preheat
>section is convection and divided into three sections for a total of about 6
>feet of preheat. Repair, cleaning, and so forth is very easy and can be
>performed relatively quick. Service response has been good from Soltec. We
>are able to run a VOC water based low-residue flux with no problems for a
>couple years now. The spray fluxer has control for speed, pitch, and
>pressure. The debridging system is programmable to debridge a specific area
>of a circuit card assembly. Using our current flux, we require no exhaust
>permit. The sump pumps in the solder pot provide a very even wave. As you
>are probably aware the old Hollis machines were always higher on the side
>opposite the sump pump, so rails had to be adjusted parallel to the wave.
>The preheat section is/was available in convection, IR, and Calrod. We
>chose convection all the way except for a top side IR section over the last
>convection section. Not used much, however, some CCAs required addition
>heat due to ground planes, heat sinks, etc. . . . Soltec also provided
>training.
>
>I don't know your budget, time constraints, or the size of machine you will
>require. I would recommend that you compare, like we did, the machines
>available. There are many to choose from and you will need to understand
>your short, medium, and long term needs. Choose some of your more difficult
>CCAs and test the candidates on your final short list. Determine your need
>(i.e. . . preheat rqt, flux rqt, etc). Develop a matrix so each candidates
>machine can be compared equally.
>
>Hopefully this will help. For our purpose, Soltec's machine met our needs.
>Perhaps one of the other OEM's machines will meet your needs. The advice is
>to compare and decide from there.
>
>Ron Hollandsworth
>ITT
>
>************************************
>If this email is not intended for you, or you are not responsible for the
>delivery of this message to the addressee, please note that this message may
>contain ITT Privileged/Proprietary Information. In such a case, you may not
>copy or deliver this message to anyone. You should destroy this message and
>kindly notify the sender by reply email. Information contained in this
>message that does not relate to the business of ITT is neither endorsed by
>nor attributable to ITT.
>************************************
>
>##############################################################
>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.
>If you need assistance - contact Keach Sasamori at [log in to unmask] or
>847-509-9700 ext.5315
>##############################################################
##############################################################
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.
If you need assistance - contact Keach Sasamori at [log in to unmask] or
847-509-9700 ext.5315
##############################################################
|
