Dave Mucha wrote:
> --- In Homebrew_PCBs@yahoogroups.com, "ballendo" <ballendo@y...>
> wrote:
>
>>Dave,
>>
>>Here's a copy of the FIRST line ON the home page:
>>
>> Making, etching, soldering printed circuit boards yourself.
>>
>>See that third word there...
>>
>>Next, The list OWNER has approved this thread. And posted as such
>>already. Please respect what the LIST OWNER has said.
>
>
> The whole question arose when a member posted that this is off topic,
> and I agreed.
>
> Solder paste dispenser mechanical design is not even close.
> Mechanical etching is a legitimate and viable method of MAKING
> boards. Yes the list owner will allow it, but that does not mean
> the responses will be the best for the person wanting to build the
> unit.
>
> How about we agree that neither you nor I post on the solder paste or
> pic-and-place designs as we can see how the other members would
> answer this topic ? (for a week or so ? )
>
> I imagine it will get near zero play on this list.
I happen to have designed the dispenser and pick-place
machine i want. I would have found such discussions interesting
here.
> Yes, you are interested, and I am intereted, but this is not the
> mechanical design list for this topic. Neither by the depth of
> member knoledge and experiance, nor the stated purpose of this list.
But what fun is a pcb without components.
> It IS a topic that would have dozens and dozens of professional
> responses on both your list and CCED. Probably even have sites to
> people who have done it and personal experiances from those who
> already worked out the bugs.
>
> I would make a screw plunger, that would need to be incremented as
> paste was diplaced from the syringe. the A axis location would need
> to be advanced incrementally. The next logical step is software and
> the next after that is troublshooting. I think you mentioned a
> solenoid or compressed air ? Neither of us have taken it to the
> final stage and worked out the bugs.
I have 2 solenoids, leavers, and plungers.
> To keep it on here will eventally become a dis-service to the person
> making the unit.
>
> And that, my friend, is why there are so many lists, and why both you
> and Steve have a couple dozen lists between you !