Viscosity Control system

The ViscoCare system controls the viscosity of several ink colors with the use of one touchscreen. The system consists of a control cabinet (touchscreen and PLC), valves, pick-ups and the necessary cables for a constant viscosity. A maximum of 10 pick-ups, both conventional and falling ball, can be linked to the system. Then, the information of the printing stations is displayed and the measured and set values of the viscosity can be checked by the operator. At the end, a diagram is shown, recalling all the values on the screen.

There are 3 different ViscoCare systems available:

  • ViscoCare Standard One with a connection for one colour and a 4.3” touchscreen
  • ViscoCare Standard with connections for up to four colours and a 7″ touchscreen
  • ViscoCare Central with connection for up to ten colours and a 12.1″ touchscreen
Viscosity Control system


Boran Packaging

Boran Plastic Packaging has recently purchased a Semi Automatic Mounting Machine (SAMM) 1300 and is happy to report its experiences. The company tells AV Flexologic: “The operational effectiveness has improved significantly compared to the old way of mounting. We are especially impressed by the image recognition software that automatically detect the microdots. The quality of the process of mounting plates has never been better and we now have perfect registration and great repeatability of the mounting.”

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Mondi Group

"Thanks to the FAMM we have saved a lot of costs." This explained Joachim Block, technical director at Nordenia in Halle, Germany. Nordenia is now part of the Mondi Group. Block: "AV Flexologic is the main supplier of flexo plate mounting machines for the whole Nordenia group and our cooperation with AV Flexologic has always been optimal.” He continues: “We consider AV Flexologic to be the market leader in the flexo plate mounting machines field and therefore we have a lot of confidence in their products. In the year 2008 we were looking for a new mounting machine and after comparison with mounting machines from other suppliers, we have made the decision to do business with AV Flexologic again."

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Mission Labels

Mission Labels recently acquired an Aquasupreme, one of AV Flexologic’s waterwashable flexo plate making machines. Dave Humphrey: “We are very enthusiastic about the way the Aquasupreme doubles our capacity. It means that we are able to compete and take a much firmer stand in the market. It also means that we have saved a significant amount of costs with this investment.” He mentions: “My personal advice to anyone looking to invest in plate making facilities, is to opt for this water wash.”

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Elopak supplies over 800 markets, which illustrates their need for an AV Flexologic FAMM in their workflow. Reinard Dreesmann, plant manager Elopak says: “Since the installation, output and quality are as expected. We mount approximately 1000 sleeves per week and mounting is considered an important part of the printing job. In the past, mis-registration often caused press down time. Now our mounting results are consisted and precise.”, in an article by Flexo & Gravure from 2008.

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Conventional Rotational Sensor

Conventional Rotational Sensor

The conventional sensor has a brushless drive motor. The explosion-proof sensor placed in the liquid measures the rotational resistance. When the viscosity increases, then so does the liquid resistance, which will affect the speed of the revolutions of the rotating cylinder (pick-up device). When the viscosity goes beyond the limiting values (readable on the touch screen), the solenoid valve opens automatically and solvent/water will be added to the ink, until the pre-set viscosity is reached. Recently a very sensitive measuring device has been developed, providing even better measurement accuracy. The system is easy to clean and therefore simple to use.

Conventional Rotational Sensor

Falling Ball Sensor

The ball sensor is controlled by an electromagnetic solvent/water valve. An explosion-proof sensor, placed parallel to the ink tank, by-pass into the pressure pipe determining the viscosity of the liquid by measuring the falling time of a ball. The falling time is determined by the resistance to the ink, thus when the viscosity increases, the falling time of the ball also increases. The calculated viscosity interpreted by the system and solvent/water will automatically be added to the ink until the pre-set viscosity is reached. In rinsing mode, the liquid flows continuously through the sensor, removing any possible blockage in the ink supply.

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