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Sheet Proof Machine

Sheet proof:
Help solving the print defects during sample checking processsuch as missing ink dots filling inscumming
dirty spots on rubber blanket ensuring the first print accuracy.
Color measurement:
Measure the color of printing using spectrum camera show the color difference of C, M, Y, K, L, A, B,
delta E and timely adjust the color difference.
Continuous defects inspection:
Make casual inspections during printing process avoiding continuous defects and ensuring stable quality during printing.
Quantity:
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  • D-1
  • UPG


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Inspection item All kinds of top-grade prints, including cigarette package,
medicine package, color boxes and metal surface products, etc
Inspection Speed ＜5S /sheet
Max Inspection Format (large format)：1450mm×1060mm

(medium format)：1040mm× 720mm

(small format)：800mm×600mm
Min Resolution
of Defect Inspection		 0.07mm×0.07mm
（customizable）
Min Resolution
of Color Inspection		 0.5mm×0.5mm
（customizable)
Function Configuration defect inspection module
(with first sheet proof function)
color inspection module
(with first sheet color proof function)
Defect inspection module +color inspection module
Proof  (Min defect)0.2mm×0.2mm
Color Measurement Using multispectra camera, output LAB,
CMYK and color density, repeatability < 1.5ΔE
Defect Inspection (Min defect)

0.2mm×0.2mm
Inspection Item Character、defects、ink color, bar code, overprinting，etc.
Defect Types Color variation, stain, fleck, stripe, scratch, misprint, bite,
ink spot, oil spot, misregister, bar code defects
Overprint Inspection (Overprint position inspection)，±0.1mm
Machine Specifications 2500mm×1500mm×600mm（W×D×H）
(weight)：750kg
(power)：3kw（medium format）