The Blown Film Rotary scanner is used to significantly improve
the feedback time for the gauging system to generate a polar plot
of the bubble profile. Without this scanner, the system must wait
for the device being used to randomize profile variation (e.g.
oscillating die or haul-off) to complete one rotation before an
update can occur, which can take several minutes. However the
rotary scanner (depending on bubble diameter) can make
a complete scan per minute.
The rotary scanner is designed to be installed below the collapsers
and above the frost line to insure the best possible quality of
measurement. NDC Rotary Scanners are available in several diameters
to match the needs of your blown film process.
Features:
- Faster response for quicker start-ups
- Reduced start-up scrap
- Essential for good Auto Profile control via heated die bolts or
segmented air rings
- Extremely reliable
- Easy to service
Options:
- TPP - Telescopic Probe Positioner