Flexo End Seals 1.) When ordering your flexo end seals, make sure they are made of a material that is compatible with the type of ink or coating being used, the length of the run, and the press speed. Today there are a number of end seal material options for all types of inks that … Read More...
Articles on Ink Delivery
Achieving Ideal Doctor Blade Alignment Ideal Doctor Blade alignment is achieved when the Doctor Blade wipes ink off of the top of the cell walls of the Anilox Roll consistently and effectively. This requires that the blade holding device be properly aligned to the Anilox roll. Misalignment can effect the blade Contact Angle and the … Read More...
The anilox roll is often considered the heartbeat of the pressroom. They are a major contributor to high quality and productivity or, in turn can be a direct cause of print defects and machine downtime. They also represent a large investment by the company. Many problems can be avoided and money saved with a well-maintained … Read More...
Blade Contact Angle Importance for Enclosed Doctor Blade Chambers There are two angles that are of concern in Flexo metering. The first is the "Set Angle": which is the angle machined into the holder or chamber. The second is the "Contact Angle": that is the actual blade ink shearing angle. Both angles are measured off … Read More...
All Printing Resources helps premier printer reduce costs with new end seal solution Customer: Ampac Flexibles is a premier supplier of high performance printed and laminated materials to the pharmaceutical and food industries. Situation: End seals in their enclosed press chambers were costly to replace and frequently caused leakage and down time. Solution: APR designs … Read More...
In outlining the process control parameters involved in optimizing the color gamut for flexo print reproduction, it was stated in Part 1 of this series that "the path forward involves the commitment to a stringent process control plan...from prepress and proofing, through plate making and on to print reproduction." In practice, however, the path for … Read More...
Mastering the doctor blade selection process, must start with understanding the many choices of doctor blades and their various uses. However, it is also important to recognize that what is available in doctor blades was developed for rotogravure...not flexo. When discussing with production managers as well as pressmen why they buy the blades they do, … Read More...