Hi Derek,
It costs me $10 to make a 4" X 6" board drilled. I sell
them for $30. The bit is $7, the board is $2 and the drill is
$1. In business you mark things up three times. I don't charge
for the design or the idea. Thanks for your offer!
John
--- In Homebrew_PCBs@y..., "High Tech" <hightechsystems@a...> wrote:
> John
> I still don't understand why you don't use the chemical etching
method?
> I have been making PCB for years that way.
> Here are two reasons I use a chemical method.
>
> Price is cheap approximately $5.00 per board
> Time it takes 25mins start to finish per board including printing,
> applying to board, etching, cleaning, solder coating, drilling.
>
> If you want to see what it is like send me your trace drawing.
> I will make a single sided board for you for up to 5"x 5" for $5.00.
> That is including everything above except for drilling your final
holes.
> I do batches of boards almost every week.
> My email is
> Hightechsystems@a...
>
> Derek
>
>
>
>
> Hi Gang,
> My goal is to come up with a way to make
> circuit boards fast and cheap! There are PCB
> houses out there that supply a program and fast
> turnaround. For under $30 you can have a board
> in your hands in several days. So I reasoned that
> $30 was the price to beat!
> While I was making and designing simple
> CNC machines for people to learn on, someone
> asked me if my machine could mill circuit boards.
> My first attempt was using a Dremel steel ball mill. It
> became dull after 12" of copper. I then used a No.50
> carbide drill bit. Using just the tip of the drill
> I was able to mill a circuit board for a power
> supply. One of my customers told me about Think and
> Tinker's Mechanical Etching bits. I bought ten bits
> and the fun began.
> That was a year and a half ago. Since that time
> I have made and sold over 200 PCBs. I use a Dremel
> MultiPro and Think and Tinker 60 degree bits. I
> sell my boards for $30 each. I would like to see that
> price come down! I will try ball mills again. This
> time they will be carbide. If I can get carbide ball
> mills in the $5 range, this will reduce my costs.
> At the moment I am working on a machine that can
> be built for under $100 in just a few days. I am shooting
> for a machine made with 90 percent hardware store parts.
> Less is more! The machine will mill circuit boards-draw
> circuit boards or cut vinyl letters. It is built and designed
> like a plotter. Instead of a belt or piano wire I am using
> that cheap 1/4-20 rod people say is no good!
> I repaired and retro-ed a Bridgeport Boss.
> That's how I got into this hobby. I know all about large
> over powered machines. Very little power is needed to mill
> circuit boards. Even with a sloppy machine a usable board
> emerges. Think FUN! Think CHEAP! It's only a hobby!
>
> John
>
>
>
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