"Alexandre Domingos F. Souza" said: > > The problems I have not adequately solved yet are how to control the Z > >axis of the machine cheaply and how to take the components out of the > >rolls. > >The Z can be controlled by a hobby servo motor and the components might be > >taken from the rolls by using the Z axis vacumm pen pulling the roll and > >getting the component afterwards. I have not tried that yet. Please tell me > >if you have a better idea on this areas. > > If you need only vertical moviment of the Z axis, you can use a screw driven (worm drive?) thing to move the piece up and down. It works well here. > Hmmm... sounds like a perfect use for an old 3.5" floppy head mechanism, or even the head mechanism from a tape drive. Dale -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.