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Introduction To The Operation Of Flat Screen Printer
Corps
Gear mark
Gear marks flexographic printing defects
This is also commonly referred to as gear chatter or ribbon. Avoiding this flexographic printing defect involves regular Stenter monitoring and maintenance. In short: the machine wears out and breaks down, and keeping the machine running is vital.
Appearance: alternating light and dark lines, usually perpendicular to the direction of the web on the printing press.
The most likely reason: the gear traces originate from the stamping machinery and excessive pressure. However, in these two key indicators, there are many other potential problems that may damage print quality. The good news is that gear markings (or chattering) are sometimes clearly audible on your printing press.
Gears will wear out over time, teeth will be eroded or even broken. Gears of inappropriate size will not mesh properly and will cause imbalance and bounce.
Other potential causes of Flat Screen Printer:
Transmission gear is poorly lubricated
Pressure tolerance between elastomer and photopolymer sleeve/plate
Inadequate cleaning
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