Hi Ken or is it Jim, You might try small end mils in lieu of the drills, which would not be so prone to walk. Regards, Les > From: Ken Brown <[log in to unmask]>, on 1/21/99 8:23 AM: > I AM HAVING A PROBLEM WITH DRILLING SLOTS. THE LARGER SIZE HOLES ARE NO > PROBLEM BUT ANYTHING UNDER .055 IS GIVING ME CROOKED OR JAGGED LOOKING > SLOTS. IN THE PAST WE ALWAYS EDITTED ARE DRILL FILES ADDING G85S', BUT > A GREAT DEAL OF OUR CUSTOMERS ARE ADDING SLOTS IN GREAT NUMBERS ALL OVER > THEIR BOARDS. AND ADDING G85S' BECOMES TIME CONSUMING AND LEAVES US OPEN > TO OPERATOR ERROR. I REALIZE THAT FEEDS AND SPEEDS ARE PART OF THE ISSUE > BUT I AM WONDERING UNDER THE SLOT DRILL CHOICE IN ROUT WHICH METHOD IS > THE BEST FOR CREATING SMALL HOLE SLOTS. IT SEEMS WHETHER WE CHOOSE > SEQUENTIAL, ALTERNATING, OR MIDPOINT WE ARE GETTING SOME DEFORMITY. IF > YOU HAVE ANY SUGGESTIONS IT WOULD BE GREATLY APPRECIATED. > > THANK YOU, > JIM HENDERSON > COLONIAL CIRCUITS, INC. > 540/752-5511 > [log in to unmask] > > ################################################################ > 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 > ################################################################ > > ################################################################ 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 ################################################################