I have a Comrex plotter that moves the paper in the Y plane but I
suspect that was common only in such cheaper devices and perhaps in the
later larger plan print type plotters. My pair of Rolands are flat bed
types that move the pen in both X and Y directions, with the paper fixed
to the bed.
Bill
On 5/02/2011 8:19 AM, Boman33 wrote:
> Note:
> The pen moves in the X plane and the PAPER moves in the Y plane. A PCB is
> rigid so you would need to attached to the equivalent of a paper carrier.
>
> The plotter technology is clever with the grit wheels actually indenting the
> paper on the first pass so the paper on future passes back and forth track
> the previous indented markings.
>
> A long time ago I played around with this idea but I was using a fiber optic
> cable to keep the laser stationary and the weight down for the pen assembly.
> Today lasers are much smaller.
> Bertho
> ==============================
>
> From: Mark Lerman Sent: Friday, February 04, 2011 15:38
> At 03:25 PM 2/4/2011, you wrote:
>
>> --- On Fri, 4/2/11, Mark Lerman<mlerman@...> wrote:
>>> From: Mark Lerman<mlerman@...>
> homebrew_PCBs@yahoogroups.com
>>> Date: Friday, 4 February, 2011, 18:52
>>> work. Questions:
>>>
>>> 1 - How good is a plotter's resolution?
>> Just a quick answer: the basic resolution of HPGL, the
>> HP plotter language that nearly all plotters use, is
>> 40 steps per mm. So, if you add 40 to a co-ordinate,
>> the pen moves by 1mm. Now, I don't know if this is
>> the mechanical resolution of the plotter, but it sets
>> an upper limit to resolution, at least.
> Thanks - that would be .001 inch (1 mil) per step, more than adequate!
> Mark
>
>
>
>
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