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???
04/26/12 19:10
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 		 #187247 - Z ref
Responding to: ???'s previous message
But most collet type chucks lift slightly as you tighten them. Use a brass shim, and do what your friend said, lower until it touches the foil, then offset by the thickness.

Steve

List of 74 messages in thread
TopicAuthorDate
CNC            01/01/70 00:00      
   Enjoy :)            01/01/70 00:00      
      Having fun            01/01/70 00:00      
   Congratulations            01/01/70 00:00      
      We looked at buying one of those            01/01/70 00:00      
         Me Either!            01/01/70 00:00      
            We use a variety            01/01/70 00:00      
               do not be lazy,Mr.Smith            01/01/70 00:00      
               prototype cost and turnaround            01/01/70 00:00      
                  I'll find the ads            01/01/70 00:00      
                     googled            01/01/70 00:00      
                        Ebay deal            01/01/70 00:00      
                           What about this one then...            01/01/70 00:00      
                              Follow up on prototype board shops            01/01/70 00:00      
                                 international pcb houses            01/01/70 00:00      
                                    PCB Houses            01/01/70 00:00      
            working out of town            01/01/70 00:00      
      CNC bits            01/01/70 00:00      
         answering            01/01/70 00:00      
            it happens            01/01/70 00:00      
               what other tools required?            01/01/70 00:00      
                  a new trick zeroing Z axis            01/01/70 00:00      
                     Z ref            01/01/70 00:00      
                        Collet type            01/01/70 00:00      
                        Z axis reference            01/01/70 00:00      
                           Vacuum            01/01/70 00:00      
               this sort of thing happens often, from my experience            01/01/70 00:00      
                  ctrl+A, crtl+C, submit            01/01/70 00:00      
         tools            01/01/70 00:00      
            holding the PCB            01/01/70 00:00      
               Holding the PCB            01/01/70 00:00      
                  Carbon steel?            01/01/70 00:00      
                     Not tungsten carbide            01/01/70 00:00      
                        Just carbide is a bit lazy slang for tungsten carbide            01/01/70 00:00      
                           If you say so.            01/01/70 00:00      
                  Plate through holes            01/01/70 00:00      
                     plating holes            01/01/70 00:00      
                     plated through holes cont.            01/01/70 00:00      
                  2 point registration system            01/01/70 00:00      
                     Need not be exactly in middle.            01/01/70 00:00      
                        is it that simple?            01/01/70 00:00      
                     2-pin registration            01/01/70 00:00      
                     Fine pitch milling            01/01/70 00:00      
                        Solder Mask            01/01/70 00:00      
                           solder mask and legend            01/01/70 00:00      
                              too much work            01/01/70 00:00      
                                 Much work            01/01/70 00:00      
                                    My CNC            01/01/70 00:00      
                                       Is That...            01/01/70 00:00      
                                       which cad did you use?            01/01/70 00:00      
                                          Limit Switches            01/01/70 00:00      
                                             Will do            01/01/70 00:00      
                                                Little Plates            01/01/70 00:00      
                                             MEchanical limit switches            01/01/70 00:00      
                                       Your project            01/01/70 00:00      
                                          This:            01/01/70 00:00      
                                             very cool!            01/01/70 00:00      
                                             Funnel            01/01/70 00:00      
                                                Funnel !            01/01/70 00:00      
                                                   Lawyer or Solicitor - Not ! !            01/01/70 00:00      
                                                      RIght            01/01/70 00:00      
                                    vacuum pick and place tool            01/01/70 00:00      
            90 degrees bits            01/01/70 00:00      
               Z-axis depth control            01/01/70 00:00      
                  stepper             01/01/70 00:00      
                     z-axis control            01/01/70 00:00      
   oiling            01/01/70 00:00      
      lubrication            01/01/70 00:00      
      Lube            01/01/70 00:00      
         ballscrews            01/01/70 00:00      
            Ballscrews            01/01/70 00:00      
               Sometimes it's useful for controlling dynamics            01/01/70 00:00      
            ballscrews & table slides            01/01/70 00:00      
   LINUXCNC            01/01/70 00:00      

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