Hi All! Please forgive this basic question, but what would be the smallest lead-to-hole ratio in which you would attempt to auto-insert an axial part (with a Universal VCD 6287)? I'm fairly new in this arena, my focus has always been with SMT. But anyways, I've always heard that the holes should be .015"-.020" larger that the lead diameter. On Universal's web page they have a *.PDF through-hole design guide that says holes should be .019" +\- .003" larger than the lead. Well, we've got this board here that uses 1/2-watt resistors with .027" diameter leads, I got the pin gages out and measured the holes and they're .035"-.036". Only .008" clearance!!! Some here say I should go ahead and write the program and just try it, that's easy for them to say...this a very large board that has close to 400 axial parts on it, and practically all of the parts are these resistors of varying values. I'm saying that there isn't a snowballs chance in hell that the VCD is going to do even a half-way decent job, so I don't want to spend the time it takes to create this huge program. Oh another thing about the resistors, they'e been laid-out on .100" centers. The diameter of the bodies range from .103"-.107"...they're "Brick-walled" on the board with their bodies touching each other...fun stuff, huh? I'm telling them that our CS-400's are gonna be real busy for quite a while... So am I out to lunch or what? From you guys experience, is it wishfull thinking that our VCD will be able to insert these parts? -Steve Gregory- ############################################################## 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 ##############################################################