| General Description :-Foil Printing Machine |
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The 2 or 4 colour Rotogravure Foil printing machine, is used for fine quality of printing on packaging substrate.
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| Standard Specification :- Foil Printing Machine |
| No. of Printing Stations |
Maximum up to 4 colours |
| Web width range |
650 mm maximum |
| Cylinder repeat |
400 mm 6500 mm |
| Un-winder diameter |
600 mm Maximum |
| Re-winder diameter |
600 mm Maximum |
| Drying Media |
Electric Hot Air Exchanger |
| Designed Line Speed |
100 MPM Maximum |
| Input – Aluminium Foil |
12 micron onwards |
| Input – Blister Foil |
20/25 micron |
| Web Tension Control |
Automatic through Load Cells |
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| Mechanical Construction :-Foil Printing Machine |
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| Main Frame |
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Cross pieces and connecting bars, fixed to a rigid base plate in order to avoid vibrations.
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| Reel holder shafts |
| Air shafts with safety chuck. |
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| Web aligner |
| for adjusting of transversal movement of reel (+/- 50 mm ) |
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| Load Cell |
| for automatic control of the tension of the web. |
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| Gravure printing units |
| For applying measured quantity of ink on the substrate. |
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| Gear Box |
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It is mounted on the back of side frames for the control of printing cylinder rotation.
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| Compensator Unit |
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Vertical compensators with ball screw and nut powered by one synchronous motor through gear box for the circumferential regulation of the printing register, mounted on each printing unit and the device is arranged for the future installation of photocells for the automatic register control.
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| Inking Device |
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Tank along with ink reservoir for continuous recirculation of the ink with proper flame proof motor, pump and filter.
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| Doctor blade unit |
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for removal of the excess ink on the printing cylinder with a special blade having small thickness.
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| Pneumatic System |
| For controlling the pressure of the printing cylinders and the nip rolls. |
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| Drying Unit |
| Drying hood is provided with air nozzles for the air passage. |
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| Drives |
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AC Digital Vector drives are used for controlling the main , unwinder and the re-winder drive AC motors. Mechanical transmission is done through timer belt arrangement.
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| Special Features:-Foil Printing Machines |
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Ergonomically fabricated control panel with Siemens or SSD Parker digital ac drive with load cell & encoder feed back.
Reliable, sturdy and accurate gear boxes.
All motors are of ABB, L&T or Siemens make.
Web Guiding system is of E+L make.
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