Bob, Happy New Year!
     Thanks for the reply.  I appreciate it very much.  The first week of 
     December another co-worker and I went to Soltec in New Hampshire to 
     look at the new Delta system.  Soltec has a center support wire that 
     can be moved out of position if necessary.  I/We agree with your 
     conclusion on elimination of expensive tooling by using that center 
     support wire.  The reason I put this on the TechNet was to see if 
     anyone has used Electroverts or SEHOs machines with the center wire.  
     It sounds like you are a believer in the technique for board support.  
     Some of our panels are 12x18 and the center is kept open for support 
     on those expensive fixtures you were talking about.
     
     I see you on the TechNet often with some good advice.  Keep it up 
     there are some guys out here listening to your experience.  Thanks 
     again and feel free to contact me on issues if you need to in the 
     future.  Have a great year.  Ron


______________________________ Reply Separator _________________________________
Subject: Re: Subj:  Center Support Wire
Author:  [log in to unmask] at INTERNET
Date:    1/6/97 6:33 PM


You should be able to fit a wire support or a solid knife edge to both machines.
Both machine suppliers should be able to do it for you but just do it yourself 
its not difficult to use either method.
     
You need the center no go areas in your designs and this is probably the 
difficult thing to convince design engineers about but the saving on jigs and 
pallets is a definite bonus. You see this type of system on Far Eastern and 
European machines more than Electrovert.
     
Having run training course for Electrovert for the last nine years it is amazing
just how many people have never used this technique to support boards it saves 
money and improves yield.
     
Bob Willis
Process Engineering Consultant
Electronic Presentation Services
2 Fourth Avenue, Chelmsford, Essex CM1 4HA. England. 
Tel: (44) 01245 351502
Fax: (44) 01245 496123
Home Page: http://ourworld.compuserve.com/homepages/Bwillis 
Email: [log in to unmask]
     
     
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