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An Overview of Options and their Application Professional

منذ 8 أشهر Real estate Biskra   143 الآراء

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موقعك: Biskra
السعر: -- دج

An Overview of Options and their Application

The doctor blade appears to be a simple component of the flexographic printing process but, as often is the case, appearances can be deceiving. The casual user might wonder what is there to think about, a blade is only a piece of steel or plastic. To better understand the need for all of the doctor blade options, consider the role of the doctor blade.
Flexographic printing requires the Dr blade to provide a constant wipe throughout the pressrun, so that the ink volume carried by the anilox roll to the plate is determined only by the anilox volume. If the doctor blade is not working correctly, the ink volume carried to the plate will include the anilox roll volume, plus some amount of surface ink Any sur-face ink remaining on the anilox roll will be variable and lead to variation in the printed product. To achieve constant wipe, different materials and edge profiles are available so that you can better match a doctor blade to the application.

Steel brush also is versatile, with many different configurations available to meet the requirements of each application. For example, brushes with long filaments are conformable and able to follow contoured surfaces, and short trim brushes are fast-acting and suited for severe applications. Another variable is the fill density: Low-density brushes offer good flexibility for surface cleaning operations on irregular surfaces, and high-density brushes produce a fast brushing action and long brush life.

In addition, steel brushes are nonloading. In other words, they do not become clogged with particles and debris when used to remove paint and similar coatings.

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Size 2
Rooms 1