The Spengler Heliofurn electrostatic assist system (ESA) is a non contact system for the elimination of "missing dots" during gravure printing on all types of paper and plastic film.
| | | | | |  The adjacent images
show the missing dots
when printing without
ESA (left) and the
quality improvement
with the ESA on (right) | | | 1. ESA off 2. ESA on | |
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The latest version H98 utilises a 3 layer
design of impression roller or sleeve that enables a short inductor electrode to be
used as the charging device instead of the full width as previous and so has added advantages in easier installation
and cleaning.
|  | | Heliofurn H-98 system
|
 | | | The above are control sections mounted on the operators panel. | |
The system is current controlled with all functions constantly monitored and displayed on the control section for each print station making it very user friendly.
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All important components are of modular design for ease of maintenance and are configured using the latest software technology.
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An additional option is the impression roller width regulation unit which can be programmed with the various widths used on the press and can be recalled from the menu to automatically set up the control units for repeat printing runs.
|  | | Impression Roller Width Regulation TSU -1 |
 | This feature can also be
incorporated in the touch
screen control unit which
is used in place of the
individual control sections
and has the same
on - line monitoring functions. | | Touch Screen TSU - 2 | |
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