Tube separation (again)

j.r.anderson (j.r.anderson@mds.qmw.ac.uk)
Mon, 11 Nov 1996 20:22:46 GMT

I sent this earlier today, but my server has been down, and as far as I can
gather it did not get through to the list. If there is duplication, please
accept my apologies!

>I would be interested to hear how critical people have found the
>separation between UV tubes to be. Is there a maximmum separation beyond
>which one cannot go as it leads to uneven printing? Is there a formula for
>relating this separation to distance of the print from the UV tubes? In
>other words, if your tube separation is "X", what would be the minimum (or
>maximum????) distance "Y" between print and bulbs to avoid uneven
>printing? Does the bulb diameter (let's call it "Z" to make this e-mail as
>unfreindly as possible!) affect this at all?
>
>I await some interesting replies from master printers and physicists.... :-)
>
>Jonathan Anderson
>
>PS I don't recall this being in the archive, but if it is, sorrry ;-)