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Posts tagged with "composite blade"

Using Graphite Doctor Blades

Composite BladeGraphite composite blades need to be effective if they are going to deliver the results you are after. Similar in function to standard metal blades, these graphite doctor blades are perfectly manufactured to be used for flexo applications with laser engraved ceramic anilox rolls that have less than 500 LPI screens.

Featuring graphite lubricating characteristics, these blades offer a long lifespan when they are being used with abrasive water-based inks on large ceramic anilox rolls. These doctor blades are provided in a seal relief shape, which helps to reduce end seal distortion at the blade. It is also effective at reducing end seal ink leakage.

Graphite doctor blades are typically used for the creation of higher-end graphics in corrugated applications. You will be able to find these blades in 20, 25, and 35 mil thicknesses. Finding the right combination of material, shapes, and thickness is a must if you are going to get the results you are after when it comes time to work on your project. That is why you must work with an educated manufacturer to discuss your needs so they can guide you towards the perfect option to fit your specific needs. The right choice delivers the right results.

Choosing the Right Composite Blade for Your Needs

Composite BladeWhen it comes time to choose doctor blades for your printing press, you’ve got some decisions to make. Are you going to use metal or go with a different material, such as a composite blade. Whatever you decide to use, choosing the right blade for your print application is an important step.

Composites can be a smart selection as they provide long life at high speeds as compared to some other materials. Look at the type of products you print, and that will help you make the decision. If you need fine screen metering with a ceramic anilox roll, then a composite, such as Allison Systems’ Fiberglass Plus, is a good choice that is effective with most water-based inks including those that are abrasive or have high solids content.

Take a moment to think about what types of printing you do most often. Composites are ideal for line work and some process jobs on paper and board substrates. Composite blades which are blended with graphite are ideal for higher-end graphics on corrugated materials.

Allison Systems will offer blade selection guidance that will help you make the most effective decision on a replacement. A blade analysis, which covers blade alignment and contact angle, may also help you decide if the current type of blade you are using is appropriate for your application or if you should switch to another type.

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