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Page 1: 5. Harper Anilox Roll
Page 2: 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

Page 3: 5. Harper Anilox Roll

COVER SLIDE

Page 4: 5. Harper Anilox Roll

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

Page 5: 5. Harper Anilox Roll

Harper’s Technical Services

Roll Audits Print Sample EvaluationsBanded Roll Design And TestingDr. Blade EvaluationsConsultingIn Plant TrainingProcess And Quality Improvement

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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

Page 7: 5. Harper Anilox Roll

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

Page 8: 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

Page 9: 5. Harper Anilox Roll
Page 10: 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

Page 11: 5. Harper Anilox Roll

Plate mouting roll

Impression roll

Anilox roll

Chamber doctor blade system

Page 12: 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

Page 13: 5. Harper 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

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Mechanical Engraving

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Mechanical Chrome

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OpeningOpeningWall or Wall or LandLand

Depth

Depth

New Chrome Anilox Roll

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Wide Lands Wide Lands & Post Areas& Post Areas

Worn Anilox Roll

Loss Of DepthLoss Of DepthLoss Of VolumeLoss Of Volume

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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

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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

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Components Of A Cell

Cell Wall

Post Area

Cell Depth& Volume

CellShape

CellAngle

60º

Cell Cavity

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1

2

3

4

60º

60º Hexagonal Engravings

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Selecting high quality anilox roll

• Good cell geometryThin cell wallLess post areaCell cavity: parabolic shape

• Dept to Opening ratio• Smooth cell surface

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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

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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

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Cell Wall

Cell Opening

Components Of A Cell

Depth of Cell

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Typical Cell Profile Geometry's

Test TubeQuad

Parabolic Shape

Best Shape

Page 28: 5. Harper Anilox Roll

Selecting high quality anilox roll

• Good cell geometryThin cell wallLess post areaCell cavity: parabolic shape

• Dept to Opening ratio• Smooth cell surface

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Development Of Depth-to-Opening-Ratio

100 microns

28 microns

D/O Ratio (%) = Cell Depth (28)Cell Opening (100) X 100% = 28 %

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Laser Engraved 60º

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Qualitative benefit from Harper anilox roll

• C M Y printing on white background

• High light printing

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Qualitative benefit from Harper anilox roll

• C M Y printing on white background

• High light printing

Page 34: 5. Harper Anilox Roll

Selecting high quality anilox roll

• Good cell geometryThin cell wallLess post areaCell cavity: parabolic shape

• Dept to Opening ratio• Smooth cell surface

Page 35: 5. Harper Anilox Roll

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

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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

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Qualitative benefit from Harper anilox roll

• Solid white printing• High light printing

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LowCell Volume Optimum Range

Today The Optimum Depth-to-OpeningRange Is Based On Echotopography

Volume NOT DEPTH!

Current Depth-to-Opening-Ratio

HighCell Volume

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Reduced Anilox VolumeHeavy Anilox Volume

Cell Volume Controls Ink Film Thickness

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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

Page 41: 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

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ขัด anilox เคาทําอยางนีหรอืเปลาคา พีธวัชชัยขา

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• Chrome roll

• Ceramic roll

• Component of cell

• Engraving degree• Line screen

Page 51: 5. Harper Anilox Roll

แลวเราจะไดอะไร

จาก

เลือกผนังเซลบาง ,เซลรูปชามอาง,ปาก

ชามรูปอาง, รอยตอเซลเล็ก

Page 52: 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

Page 53: 5. Harper Anilox Roll

Laser Engraved 60º

Page 54: 5. Harper Anilox Roll

Cell Wall

Cell Opening

Components Of A Cell

Depth of Cell

Page 55: 5. Harper 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%

Page 56: 5. Harper Anilox Roll

Development Of Depth-to-Opening-Ratio

100 microns

28 microns

D/O Ratio (%) = Cell Depth (28)Cell Opening (100) X 100% = 28 %

Page 57: 5. Harper Anilox Roll
Page 58: 5. Harper Anilox Roll

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

Page 59: 5. Harper Anilox Roll

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

Page 60: 5. Harper 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

Page 61: 5. Harper Anilox Roll

ถามจิ๊ง ถาติ๊นา ซือ้ Harper จะประหยัดหมีกไดเทาไหรความหนา

ของชั้นหมึก

ชนิดของ anilox roll

21 ไมครอน

100 ไมครอน

115 ไมครอน

Harper Anilox rollCeramic roll อี่นๆChrome Anilox roll

Page 62: 5. Harper Anilox Roll
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Page 65: 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

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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%