screen printing > Equipment
Exposure Units
blue moon:
there are used 3140's on the market every so often. Several of them in last few months in the mid $2k prices. I paid $825 for mine!
at those prices, skip the multibulb setups . . .
pierre
shellyky:
Hey sorry i didnt catch this-yes we started with the vastex 2331..it lasted us "in the beginning" and yes it would burn halftones,even did a pretty great 4CP job with it, but the burntimes, man that was too long LOL...upgraded to the amergraph 150 and it went from 25 MINUTES to like 1-2ish and it would also do 2 at a time if you use small screens...i love the unit, i havent had any problems and everyone who comes in here 'in the know' says its a great unit and they dont see many of them...im sure the 3140 is awesome as well and i think it has a couple more features.
as far as screen burn quality, the edges/lines are sharper, more distinct on the amergraph unit, and it will expose a piece of dust on the glass. I regret not going metal halide from the get go---we dont even use the vastex unit, im not sure why we havent sold it lol
Sbrem:
Metal Halide, point source, nuff said. Fortunately, I've never used anything but a point source, starting with a carbon arc lamp. Damn, that made the best screens, but the poison smoke...
Steve
tonypep:
Shelly do not overlook the emulsion when looking at halftone quality. Pure photopolymers were developed for those who need speed and have less demand for detail for instance. Its the proper combination of light source and stencil (emulsion is only one factor in determining stencil quality) that will yield the best results. And yes a light integrater is a must if you demand the best and most consistent results.
best tp
sportsshoppe:
I picked up a Plate Maker 1000k for less than $100 and then took the top off fliped it over where the source is at the bottom, made a glass holder out of 2'' x 2'' wood and made my top with wet suit material and 1'' x 1.5'' light weight tube steel and it works great. I have less than $150 in everything and it comes with a light Integrator. Sure beats the price of a 2K one
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