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  • Finally I've found shears for my plates. I didn't say, I use TOK Rigilon MX/TFPP 145 -- 1.45 mm thick, steel 0.32 mm. At first, as Ed advice me, I tried 'Wiss-like' snippers (It looks like Wiss MPC3: http://www.amazon.com/Wiss-MPC3-9-Inch-Metal-Snips/dp/B00002N5L8) but they were turning up and down sides of plate at 30 or 45 degrees, so protection film on the bent up side was...
    Iohannes Daubmannus May 18, 2009
  • 2009/4/25 Ed Inman : > I use the WISS MPC-3 snippers available for about $15 at most any hardware or industrial supply store: And I want 'like butter' too! Especially for $15 :) On your opinion, can your snippers be replaced by some common metal shears of another brand, similar price and look? Or I have to pay attention to some features? I'm far from America and should find...
    Iohannes Daubmannus Apr 26, 2009
  • The question about cutting of metal-back polymer has already been raised here, and it was told what paper guillotine is not suitable for this. Any scissors or shears (I guess.. May be, some special shears don't?) make a considerable flatness distortion of a plate, so I cut it with common office cutter and a ruler... It's very exhausting work, though a plate remains flat. I look for...
    Iohannes Daubmannus Apr 25, 2009
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  • .pfb is pc type1 outline file .pfm is pc type1 metrics file that's enough for pc type1 fontface. .ttf file is the only file needed as pc true-type fontface. fontfaces are grouped as fontfamily in menu by data recorded in file info (inside file), but lonely typeface will still work. guess, you have lonely typeface, italic, in true-type and type1 variants.
    Iohannes Daubmannus Sep 5, 2008
  • GUI_____.PFM and GUI_____.PFB are the files of pc type-1 font italic typeface, i guess (GUardy Italic) GUI_____.TTF is the file of (the same, I guess) true-type font italic typeface. Is roman or bold typeface really used in the work? I think it's better to send a PDF with all fonts embeded.
    Iohannes Daubmannus Sep 5, 2008
  • please, take a look at my chart for the test: http://www.bjorn.kiev.ua/letterpress/res_test.pdf values (widths and dots' diameters) shown in postscript points.
    Iohannes Daubmannus Sep 2, 2008
  • Gerald, thanks for your explanation! > Isolated elements Now I thought: is a common resolution test with stroke patterns (like 1951 USAF http://en.wikipedia.org/wiki/1951_USAF_Resolution_Test_Chart) suitable to determine minimum size of _isolated_ objects?.. I'll add lines and dots with triple thickness distance between.
    Iohannes Daubmannus Sep 2, 2008
  • > on the best of plates, > fine lines accurately at .0015" > and isolated dots .0075" in diameter. Gerald, thank you, it's just I need. But I'm not sure... Can fine line size be smaller than isolated dot size? E.g. it tech specs of Toyobo Printight plates shown lines 0.1 mm (.004"), dots 0.02 mm (0.0008") Anyway if I make a test chart with stroke patterns from 0.01 mm (.2 pt, .0004...
    Iohannes Daubmannus Sep 1, 2008
  • Thank you, Nicolas, Gerald. I'm asking just about 'tolarance of a given photopolymer plate'. Surely, manufacturers provide this values, but I directly contact only with resellers, who, by the way, hardly have the slightest idea about letterpress printing. So, I'm interested in your opinion, what resolution range of a plate is normal for letterpress printing. And maybe examples of...
    Iohannes Daubmannus Sep 1, 2008
  • Sorry, I'm totally a newbie in the subject of the group and maybe should use search harder, but... What's the resolution can we get with photopolymer plates? It'll be great for me to know average minimum-acceptable, normal and fine values to test my process. Thanks for your opinions.
    Iohannes Daubmannus Aug 31, 2008