Operating instructions

Controls and operation G3 Series
Material hold-down
4-40
000010,06,02-2009, jmu
4
4.7 Material hold-down
The material is held down via a vacuum. For this purpose, the machine table is
divided into 0 - X vacuum zones. The number of zones is dependent on the size of
the cutter. The width of the continuously active vacuum zone 0 is 470 m; the width of
each additional vacuum zone which can be activated is approx. 80 mm. The first
vacuum zone is positioned on the right-hand side of the worktop; all other zones can
be sequentially switched on/off from right to left.
The strength of the hold-down can be adjusted and is regulated via the control panel.
Only set the hold-down to be as strong as is necessary in order to save energy and
so that the device is not overloaded.
The vacuum is generated for the hold-down via a vacuum generator which is
positioned under the cutter.
Depending on the size and the power requirement, either a turbine vacuum
generator or a gas ring vacuum pump is used for the G3 series.
Fig. 4-24 Vacuum zones (e.g. L-2500)