The Nikelman Gearless 330 is designed for high quality printing using both, UV technology and solvent and water based inks on a variety of up to 350mm wide materials (films, casings, shrink materials, paper). The CI Flexo printing press prints up to 8 colours perfectly matching front- to backside of the entire width of the material. According to the principles of flexographic printing, synchronization of the printing units is extremely important, especially when printing synchronized on front and backside.
Highest movement precision with servo motors
The printing process is based on eight printing units that apply ink to the material one after the other. Maximum precision of movement is required in each unit, which is why synchronous servomotors and gearboxes with very low backlash are installed. Thanks to the use of independent drives for the format and anilox rollers, it is very easy to change the format value. The remote access applied to the machine using X4 Remote allows not only remote diagnostics, but also the collection of data from the machine, avoiding possible errors and enabling predictive maintenance.
Precise
synchronization
The Lenze 3200 C controller is used to control the machine and is responsible for the machine's logic. Synchronization takes place directly on the i950 and i700 servo drives and is implemented via EtherCAT. The position of the main cylinder is transmitted and the eight printing units are precisely synchronized.
Lenze-FAST-Funktionsbausteine function blocks are used to program the machine processes, allowing the print rollers to be positioned quickly and precisely. We were able to significantly reduce engineering times and enable rapid adaptation.
Machine
visualization
The machine visualization was designed on the basis of a modern software tool - VisiWin 7, which made it possible to create a comprehensive and at the same time intuitive program. The visualization includes a diagnosis of all errors with a detailed description and recommendations for their elimination. In addition, an extensive "HELP" section and a manual for the entire machine are implemented. The applied web visualization gives a possibility to set the most important printing parameters directly on the machine via a smartphone or tablet.
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