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Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

Message

Re: Round to Square pcb

2004-08-29 by mikezcnc

Does this mean, Ballendo, that your dilling machine will be able to 
mill the PCBs?

By the way, John mentioned on his site that you are an owner of this 
group and I will start attending here more often.  Mike


--- In Homebrew_PCBs@yahoogroups.com, "ballendo" <ballendo@y...> 
wrote:
> How VERY true...
> 
> If there is machine flex as the bit drills, AND/OR if the drill 
speed 
> is too slow, you break drills. (speed here means BOTH RPM and 
> downward rate)
> 
> If you're doing multilayer, then epoxy smear becomes a real 
concern. 
> (Hey we've got Markus's and Jeremy's examples for the THP, and I'm 
> working to provide the drill <G>)
> 
> Ballendo
> 
> --- In Homebrew_PCBs@yahoogroups.com, "crankorgan" <john@k...> 
wrote:
> > 
> > > 
> > > If you own a milling machine you can drill the PCB with it, for 
> sure.
> > > 
> >   Drilling requires a stiffer machine. Some homemade machines 
will 
> allow
> > the bit to walk around. It takes less of a machine to mill than 
> drill.

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