F..k ! I just checked Olimex (olimex.com) technical rules for PCBs and they can only drill up to 5mm which does not give much margin for M5 screws :( I thus have to find another way to do this.
What do you think about defining a 1.5mm hole pad and drill myself the PCB at 5.5mm ? Best, M. --- In [email protected], "marcmendezbermond" <marcmen...@...> wrote: > > Thanks David ! > > Yep, those are large 47000uF electrolytics. But they will be mounted on the > chassis and the board comes on top so there wont be that much physical > constraints on the PCB. I have checked on some sites and metallization is > coming as a chemical process after drilling the board. Thus some margin > should be taken as a 5mm hole will become 4.9 after metallization (unless you > specify your holes diameters are meant AFTER metallization, but 5.1mm would > not be standard meaning $$$) > > About the libs, I will work on a complete lib for the parts I have selected. > Longer but safer :) > > Thanks, > M. > > --- In [email protected], "David" <david@> wrote: > > > > > > > > --- In [email protected], "marcmendezbermond" <marcmendez@> wrote: > > > > > > Hi all ! > > > > > > I am looking for some footprint libs for large screw-terminal > > > electrolytic capacitors. After searching the usual sources of KiCad libs, > > > the situation is no better :( That would be great if you could point me > > > to some sample libs that I would be able to modify to match my components. > > > > > > Also, I was wondering how PCB companies would realize the holes for my > > > terminals. That won't be made as a metallized hole because of the radius > > > (I guess 5-6 mms) but a simple hole, right ? Should I pay some attention > > > about the capabilities of the company that will be in charge of my boards > > > ? > > > > > > Thanks, > > > M. > > > > > Hi, > > Are these meant for mounting on a PCB? If the capacitors are the large > > capacity types that you find in power amplifiers they are normally chassis > > mounted. Heavy capacitors wil cause the board to bend and put it under > > stress. > > If you must mount it on a pcb you can very easily design the footprint in > > Kicad. Don't know if a fab house will make the pcb for you though. > > > > David. > > >
