The average ink savings yesteryear switching from, for example, a 175 lpi AM/XM halftone to a xx micron FM halftone, is well-nigh 10-15% (depending on the hit of tones inward the master copy art). Since the average sheetfed printer volition pass well-nigh 3-4% of their gross lucre on ink, equally an example, for a $10,000,000 dollar a twelvemonth printer the ink savings using FM screening volition hit from well-nigh $35,000 to $52,500 a year. The reduction inward ink usage for the same terminal presswork appearance, comes primarily from the utilization of a cut-back flexure applied to the FM screened plate, the thinner ink cinema feature of FM screening, in addition to the higher percent of the tonality beingness created optically (optical dot gain) . How higher dot gain saves ink The smaller the halftone dot is, the greater its perimeter to expanse ratio is. Since dot gain occurs at the perimeter of the dot this results inward smaller dots having to a greater extent than dot ga...
Slur is oftentimes confused amongst doubling every bit their initial appearance is real similar. However slur is invariably an elongation of the dots inward the canvass move direction. The park travail of slur is either over or nether cylinder packing. Loose blankets, likewise much plate-to-blanket pressure, likewise much ink on coated paper, too ink rollers fix likewise difficult volition also travail slur.
Comments
Post a Comment