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Re: Another rookie starts a high volume pcb project.

2005-07-14 by Mike Phillips

I posted a panel of the pcb for my truck project. It's in the folder
labeled Mikep_95133's.

Glad to know that 12 mil is not so bad.

Mike



--- In Homebrew_PCBs@yahoogroups.com, Mycroft2152 <mycroft2152@y...>
wrote:
> Hi Phil,
> 
> Don't be hung up on very thin traces. Having wide
> traces means less copper to etch away. Only use the
> thinnest to get the circuit laid out.
> 
> You my want to post a photo of the pcb or else the
> layout for comments.
> 
> Myc
> 
> --- Phil <phil1960us@y...> wrote:
> 
> > I typically use 12 mil.  I can make 10 mil traces as
> > well but 12 mil
> > is a little more forgiving.
> > 
> > --- In Homebrew_PCBs@yahoogroups.com, "Mike
> > Phillips"
> > <mikep_95133@y...> wrote:
> > > Sounds like a plan. I'll thicken up the traces and
> > then give the toner
> > > transfer a try. Are 12 mil traces that difficult?
> > > 
> > > Mike
> > > 
> > > 
> > > 
> > > --- In Homebrew_PCBs@yahoogroups.com, "Phil"
> > <phil1960us@y...> wrote:
> > > > well, a laser printer isn't totally a waste...
> > > > 
> > > > I would proto with toner transfer and then when
> > you've got it right,
> > > > use a board house to make your 100+ boards (make
> > a bunch of spares). 
> > > > Also, you may find interest from others and be
> > able to a larger batch
> > > > to share the costs and thus reduce the per board
> > cost.  Also, don't
> > > > forget drilling time/tedium.  even with a cnc
> > set up it will take time
> > > > to drill 100+ boards.
> > > > 
> > > > If you use a board house that will allow you to
> > panelize you may get
> > > > significant savings.  A number of them will and
> > some wont.
> > > > 
> > > > I did a project where I did 50 boards via TT. 
> > It was actually 8
> > > > panels of 7 individual boards so it wasn't that
> > hard.  and it was
> > > > mostly surface mount so there wasn't a lot of
> > drilling.
> > > > 
> > > > Phil
> > > > 
> > > > --- In Homebrew_PCBs@yahoogroups.com, "Mike
> > Phillips"
> > > > <mikep_95133@y...> wrote:
> > > > > After looking at Futurlec, maybe I should have
> > not purchased the
> > laser
> > > > > printer :) They were very cheap.
> > > > > 
> > > > > I really like doing stuff my self. Maybe a
> > couple cnc protos is a
> > > > > better was to start.
> > > > > 
> > > > > Mike
> > > > > 
> > > > > 
> > > > > 
> > > > > --- In Homebrew_PCBs@yahoogroups.com, uhmgawa
> > <uhmgawa@m...> wrote:
> > > > > > Mike Phillips wrote:
> > > > > > 
> > > > > > > So that means the potential of making 104
> > pcb's plus spares.
> > > > > > > It's fairly simple with all the parts on
> > just one side, and
> > smt at
> > > > > that.
> > > > > > 
> > > > > > Wouldn't you consider farming out the
> > production of 100+
> > > > > > boards?  I'd be hard pressed to do better on
> > price or
> > > > > > quality compared with a commercial board
> > house for this
> > > > > > quantity.  Aside from fabing the blank
> > board, assembly
> > > > > > also may get a bit old after the first dozen
> > or so boards.
> > > > > > 
> > > > > > -- 
> > > > > > uhmgawa@m...        www.gnu.org
> > 
> > 
> > 
> 
> 
> 
> 		
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