Download - 5. Harper Anilox Roll
1. Harper Corporation of America
2. Harper Asia Pacific
3. Role play of anilox roll in Flexo. Press
4. Smart anilox roll
5. Take money from Harper Anilox roll
6. Maintenance of anilox roll
7. Simply ways to kill your anilox roll
COVER SLIDE
Harper is the only anilox manufacturer in the world with an ISO 9001 registered quality system.
Both Charlotte, NC and Green Bay, WI are ISO certified.San Jose will be certified soon
Harper is known internationally for “World Class Quality” anilox rolls and service
Harper Corporation of America
Harper’s Technical Services
Roll Audits Print Sample EvaluationsBanded Roll Design And TestingDr. Blade EvaluationsConsultingIn Plant TrainingProcess And Quality Improvement
Charlotte, NCLeading manufacturer of quality anilox rolls.Started by Ron & Katherine Harper in 1971.Manufacturing Facility: 4,500 square metersHouses 11 EchocelTM Laser Engraving Units.
Harper Corporation of America
Green Bay Satellite plant opened in June, 1997.Manufacturing Facility : 2,800square metersHouses 2 EchocelTM Laser Engraving Units.
Green Bay, WI
Harper Corporation of America
1. Harper Corporation of America
2. Harper Asia Pacific
3. Role play of anilox roll in Flexo. Press
4. Smart anilox roll
5. Take money from Harper Anilox roll
6. Maintenance of anilox roll
7. Simply ways to kill your anilox roll
1. Harper Corporation of America
2. Harper Asia Pacific
3. Role play of anilox roll in Flexo. Press
4. Smart anilox roll
5. Take money from Harper Anilox roll
6. Maintenance of anilox roll
7. Simply ways to kill your anilox roll
Plate mouting roll
Impression roll
Anilox roll
Chamber doctor blade system
1. Harper Corporation of America
2. Harper Asia Pacific
3. Role play of anilox roll in Flexo. Press
4. Smart anilox roll
5. Take money from Harper Anilox roll
6. Maintenance of anilox roll
7. Simply ways to kill your anilox roll
Mechanically Engraved Chrome
Original Anilox TechnologyFrequently Electro-plated with copperEngraving tool forced into copper or steelChrome plating 0.013-0.025 mm thickPyramid or quadrangular shaped cells
Mechanical Engraving
Mechanical Chrome
OpeningOpeningWall or Wall or LandLand
Depth
Depth
New Chrome Anilox Roll
Wide Lands Wide Lands & Post Areas& Post Areas
Worn Anilox Roll
Loss Of DepthLoss Of DepthLoss Of VolumeLoss Of Volume
Laser Engraved Ceramic
Introduced in the 1980’sCoated with chrome oxide ceramic Ceramic coating 0.255 to 0.635 mm thickCeramic polished to mirror finish Life is determined by the care given to the roll
Harper Laser Engraved Ceramic
Harper pioneered 60° engravingsProprietary laser technology60° engravings revolutionized flexo print quality Harper developed new cell quality standards for cell shape, consistency and repeatability
Components Of A Cell
Cell Wall
Post Area
Cell Depth& Volume
CellShape
CellAngle
60º
Cell Cavity
1
2
3
4
60º
60º Hexagonal Engravings
Selecting high quality anilox roll
• Good cell geometryThin cell wallLess post areaCell cavity: parabolic shape
• Dept to Opening ratio• Smooth cell surface
Thin cell wall
1 นิ้ว มีความยาว = 25,400 ไมครอนAnilox 200 lines / inch =25,400 ไมครอน
=25,400 ไมครอน
Anilox 1Cell = 25,400/200= 127 ไมครอน
Opening Cell wall Cell width
120 ไมครอน 7 ไมครอน 127 ไมครอน
100 ไมครอน 27 ไมครอน 127 ไมครอน
90 ไมครอน 37 ไมครอน 127 ไมครอน
80 ไมครอน 47 ไมครอน 127 ไมครอน
Cell Wall
Cell Opening
Components Of A Cell
Depth of Cell
Typical Cell Profile Geometry's
Test TubeQuad
Parabolic Shape
Best Shape
Selecting high quality anilox roll
• Good cell geometryThin cell wallLess post areaCell cavity: parabolic shape
• Dept to Opening ratio• Smooth cell surface
Development Of Depth-to-Opening-Ratio
100 microns
28 microns
D/O Ratio (%) = Cell Depth (28)Cell Opening (100) X 100% = 28 %
Laser Engraved 60º
Qualitative benefit from Harper anilox roll
• C M Y printing on white background
• High light printing
Qualitative benefit from Harper anilox roll
• C M Y printing on white background
• High light printing
Selecting high quality anilox roll
• Good cell geometryThin cell wallLess post areaCell cavity: parabolic shape
• Dept to Opening ratio• Smooth cell surface
Wide Cell Walls = Poor Ink Films
Printing Plate
Resulting Poor Ink Film Transferred To Plate
Poor Ink Film Transferred To Substrate
Substrate
Anilox Cells With Wide Cell Walls
Thin Cell Walls = Flat Ink Films
Anilox Cells With Thin Cell Walls
Printing Plate
Smooth Ink Film Transferred To Plate
Smooth Ink Film Transferred To Substrate
Substrate
Qualitative benefit from Harper anilox roll
• Solid white printing• High light printing
LowCell Volume Optimum Range
Today The Optimum Depth-to-OpeningRange Is Based On Echotopography
Volume NOT DEPTH!
Current Depth-to-Opening-Ratio
HighCell Volume
Reduced Anilox VolumeHeavy Anilox Volume
Cell Volume Controls Ink Film Thickness
3/10/97 Steve Tucker 40
TIR• TIR - Total Indicator Runout, A measure of
concentricity and roundness. Measured on roll face as compared to bearing surfaces, A & B.
.1 mm A - B
A B
1. Harper Corporation of America
2. Harper Asia Pacific
3. Role play of anilox roll in Flexo. Press
4. Smart anilox roll
5. Take money from Harper Anilox roll
6. Maintenance of anilox roll
7. Simply ways to kill your anilox roll
ขัด anilox เคาทําอยางนีหรอืเปลาคา พีธวัชชัยขา
• Chrome roll
• Ceramic roll
• Component of cell
• Engraving degree• Line screen
แลวเราจะไดอะไร
จาก
เลือกผนังเซลบาง ,เซลรูปชามอาง,ปาก
ชามรูปอาง, รอยตอเซลเล็ก
1. Harper Corporation of America
2. Harper Asia Pacific
3. Role play of anilox roll in Flexo. Press
4. Smart anilox roll
5. Take money from Harper Anilox roll
6. Maintenance of anilox roll
7. Simply ways to kill your anilox roll
Laser Engraved 60º
Cell Wall
Cell Opening
Components Of A Cell
Depth of Cell
Element 2:Scientific Anilox Selection
Depth to Opening Ratio:Between 23% and 33%Optimum is 28%
PlateCylinder
Desired Ink
Dipping Result
AniloxCylinder
CellContainin
g Ink
Highlight Dot
Dot Dipping:Understand relationship between plate dot and anilox cell openingPrevent plate dots fromentering anilox cells
A
B
Cell Depth (B)Cell Opening (A)X 100%
Development Of Depth-to-Opening-Ratio
100 microns
28 microns
D/O Ratio (%) = Cell Depth (28)Cell Opening (100) X 100% = 28 %
LowCell Volume Optimum Range
Today The Optimum Depth-to-Opening Range Is Based On Echotopography
Volume NOT DEPTH!
Current Depth-to-Opening-Ratio
HighCell Volume
ภาพบน
ใช anilox Harper ชั้นหมึกหนา 28 ไมครอน
ภาพลาง
ใช anilox แบบ hard chrome ชั้นหมึกหนา 45 ไมครอน
Development Of Depth-to-Opening-Ratio
100 microns
28 microns
D/O Ratio (%) = Cell Depth (28)Cell Opening (100) X 100% = 28 %
OpeningOpeningWall or Wall or LandLand
Depth
Depth
New Chrome Anilox Roll
ชนิดของ anilox roll
ความลึกของ cell anilox roll ที่ 250/lpi
ลักษณะการพิมพ ความหนาของชั้น
หมึก
Harper Anilox roll
21 microns พิมพสมัผัสพอดี 21 ไมครอน
Ceramic roll อี่นๆ
30 microns แยกลูกยางออก
จากanilox ประมาณ 1 เสนผม
100 ไมครอน
Chrome Anilox roll
45 microns แยกลูกยางออก
จากanilox ประมาณ 1 เสนผม
115 ไมครอน
ถามจิ๊ง ถาติ๊นา ซือ้ Harper จะประหยัดหมีกไดเทาไหรความหนา
ของชั้นหมึก
ชนิดของ anilox roll
21 ไมครอน
100 ไมครอน
115 ไมครอน
Harper Anilox rollCeramic roll อี่นๆChrome Anilox roll
1. Harper Corporation of America
2. Harper Asia Pacific
3. Role play of anilox roll in Flexo. Press
4. Smart anilox roll
5. Take money from Harper Anilox roll
6. Maintenance of anilox roll
7. Simply ways to kill your anilox roll
Element 2:Scientific Anilox Selection
Depth to Opening Ratio:Between 23% and 33%Optimum is 28%
PlateCylinder
Desired Ink
Dipping Result
AniloxCylinder
CellContainin
g Ink
Highlight Dot
Dot Dipping:Understand relationship between plate dot and anilox cell openingPrevent plate dots fromentering anilox cells
A
B
Cell Depth (B)Cell Opening (A)X 100%