Engineering technological systems: Reference for Chief Technology Specialist at an industrial enterprise
Table 4
L * a * b * color coordinates on imprints
Color characteristics
ÿēăđćÿċĒ ĄĎđďđćčēćčą
Color coordinates
ĒĊĘĀċĔă
ĀċĔă
ďĔđďċă
red
yellow green
ĒĊĘĀċĔă
a݁ Ā݁ a݁ Ā݁
ލޏܥފވ ݁ދލܥލފ ݁ލގܥޏވ ݁ފފܥވފ
ފފܥމއ
މܥގތ
݁ޏܥޏދ
݁ތގܥގ
݁ދފܥވދ
ލޏܥފވ ދލܥލފ ލގܥޏވ ފފܥވފ
ĖĎܼ ċÿĘăđďÿďăđčÿďĊćčܱ ʎʕăėĎąđÿďĆćāďđćčēćčąܲ Ćđăăܼ ċÿĘăđďÿďăđčÿďĊćčĒܱ Ăćąćēÿċďđćčēćčąܲ
݁ތތܥފމ ފގܥވއ ލތܥކމ
ތފܥފ
ދއܥފފ ݁ލމܥގދ ވކܥޏވ
ގތܥލގ
݁ވކܥލއ
ވކܥގދ
݁ތގܥދ
݁ދއܥވދ
ޏތܥގ
ފވܥޏގ
݁ޏމܥލއ
-20 0 20 40 60 80 100
-60
-40
-20
0
20
40
60
80
-40 -60 Three-layer paper napkin
a
Two-layer paper napkin Fig. 7. L * a * b * color gamut chart of flexographic and digital imprints
a b Fig. 8. Control scale of the image quality of the stroke width in dark areas on the imprint: a – flexographic; b – digital imprint
ĎċĎđćČăēđćā ēĎċăđÿčāăĒ ĄĎđ ēđćÿĂ ÿčĂ Ēďăāćÿċ ćčĊĒ ĒĆĎĖ ēĆÿē ēĆă ďăđČćĒĒćĀċă ĂăĕćÿēćĎč ĄĎđ ĀċÿāĊ ćĒ ĖćēĆćč ēĆă ċćČćēĒ ܤ L < ܡދ ĄĎđ āĘÿč L < ܡމ ĄĎđ Čÿąăčēÿ ÿčĂ ĘăċċĎĖ݁ L < ܥތ Ďđÿċċ āĎċĎđĒ ܡ ēĆăāĆÿčąăćčĂăĕćÿēćĎčĒćĒ Δٖ E 2000 < ܥވ Ćă đăĒĔċēĒ ĎĄ ēĆă ċćčă ēĆćāĊčăĒĒ ĕÿċĔăĒ Ďč ēĆă ďđćčēăĂ ĒāÿċăćčēĆăĂÿđĊÿđăÿĒĎĄēĆăćČÿąăĎčēĆăĄċăėĎąđÿďĆćāÿčĂ ĂćąćēÿċćČďđćčēĒÿđăąćĕăčćčÿĀċă ܥދ ćą ܥ ގ ĒĆĎĖĒēĆăćČďđćčēĒĎĄēĆăāĎčēđĎċĒāÿċă ܡ ÿāāĎđĂćčąēĎ ĖĆćāĆēĆăĖćĂēĆĎĄēĆăďđćčēăĂĒēđĎĊăĒĖÿĒĂăēăđČćčăĂĀĘēĆă ČăēĆĎĂĎĄĄċăėĎąđÿďĆćāÿčĂĂćąćēÿċďđćčēćčą ܥ čÿċĘĒćĒĎĄēĆăđăďđĎĂĔāēćĎčĎĄĄĎčēăċăČăčēĒĎčēĆăćčĕăĒ - ēćąÿēăĂēćĒĒĔăďđĎĂĔāēĒđăĕăÿċăĂēĆÿēēĆăċćčăēĆćāĊčăĒĒăĒđăďđĎ - ĂĔāăĂ ĀĘ ĄċăėĎąđÿďĆćā ďđćčēćčą Ćÿĕă ĒČÿċċăđ ĂăĕćÿēćĎčĒ ĄđĎČ ēĆăčĎđČĒēĆÿčĎčĂćąćēÿċďđćčēćčąćČďđćčēĒ ܥ ĆćĒćĒĎĀĕćĎĔĒċĘ đăċÿēăĂēĎēĆăĂ楥ăđăčēČăāĆÿčćĒČĎĄĄćėćčąĖÿēăđܼ ĒĎċĔĀċăćčĊĒ ĄĎđĄċăėĎďđćčēćčąÿčĂćčĊĒĄĎđĂćąćēÿċďđćčēćčąĎčďÿďăđ ܥ ćą ܥ ޏ ĒĆĎĖĒēĆăćČÿąăĒďđćčēăĂĎčēĆăćČďđćčēĒ ܡ ÿāāĎđĂ - ćčąēĎĖĆćāĆēĆăđăďđĎĂĔāēćĎčĎĄēĆăĆăćąĆēÿčĂāċÿđćēĘĎĄēĆă ĒēđĎĊăĒĎčēĆăēćĒĒĔăďđĎĂĔāēĒĖÿĒĒēĔĂćăĂ ܥ Ćă ČćčćČĔČ ĄĎčē Ēćęăܱ Ēćęă ćč ďĎćčēĒܲ ćč ĀĎēĆ ďđćčēćčą ēăāĆčćĐĔăĒ ćĒ ĔčđăÿĂÿĀċă ÿčĂ ĂĎăĒ čĎē Ćÿĕă ÿ āċăÿđ đăďđĎĂĔā - ēćĎč ܡ ĖĆćāĆćĒăĕćĂăčāăĂĀĘēĆăďđăĒăčāăĎĄܸ ĂćĒēĎđēăĂܸ ăċăČăčēĒ ÿčĂċăēēăđĀđăÿĊĒ ܥ Table 5 Value of the thickness of lines on imprints (mm) ċăėĎąđÿďĆćāďđćčēćčą ކܥދ ކܥމ ކܥވ ކܥއ ދލܥކ ދܥކ މܥކ ދވܥކ ވܥކ އܥކ ĆćēăĀÿĒă ދމܥދ ފމܥމ ލކܥވ ވކܥއ ފގܥކ ފދܥކ ލފܥކ ލމܥކ ވވܥކ ފއܥކ ćąćēÿċďđćčēćčą ކܥވ ޏܥއ ގܥއ ދܥއ ވܥއ ކܥއ ޏܥކ ލܥކ ދܥކ ފܥކ މܥކ ވܥކ އܥކ ĆćēăĀÿĒă އܥވ އޏܥއ ވގܥއ ވދܥއ ކވܥއ މކܥއ ޏܥކ ފލܥކ ވދܥކ ތފܥކ ތމܥކ ތވܥކ ވއܥކ
a b Fig. 9. Reproduction of the height and clarity of the strokes on tissue products: a – digital; b – flexographic printing ćą ܥ ކއ ĒĆĎĖĒ ēĆă ćČďđćčē ĎĄ ēĆă Ēāÿċă ĄĎđ ĂăēăđČćčćčą ēĆăđăĒĎċĔēćĎčĎĄēĆăćČÿąă ܡ ĎĀēÿćčăĂĀĘĄċăėĎąđÿďĆćāܱ a ) and digital ( bܲ ďđćčēćčą ܥ
a
b Fig. 10. Microscopic image of the scale for determining the resolution of the printed image on imprints: a – flexographic; b – digital printing
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