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4.4.7 Forming times (with plug assist)
This menu is accessed by pressing the ‘FORMING TIMES’ button in the main menu
(See Figure 4.26)
In this screen you can see and change all time
set points (SP)
, for a forming chamber
(forming station) with plug assist.
By pressing the numbers in the column, a numeric keypad (fig. 4.6) will appear, fill in the
desired settings, press enter, now the numeric keypad will disappear and the value for the SP
has changed.
The LEDs indicates when the corresponding time is active.
Press
Save
to store the settings in the current program.
Warming time
= Time needed to warm up the bottom film.
Forming time vacuum
= Time for which the forming vacuum valve(s) will be open
Delay forming pressure
= Time delay before compressed air assists the forming process.
After this will forming time pressure start.
Forming time pressure
= Time that compressed air iassists the forming process.
Film cooling time
= Time needed to cool down the film. The bottom die is cooled by
water so the heat can be transferred quickly to the forming
plates till the temperature is decreased by ~30°C to freeze the
shape into the film.
Delay plug
= Time delay to delay the plug starting time. Time is started when
vacuum valve opens.
Plug time
= Time that the plug assists the forming process.
Ventilation time
= Time needed to ventilate the forming station.
Figure 4.26 Forming times
