MACHINE
SETTING
:- |
|
PARAMETER |
FLAT
BED
|
ROTARY |
| Thermoforming
Roll Temp. |
N.
A. |
20
–
23 Deg.
C |
| Vacuum
Supply |
N.
A. |
25
–
28 Inches
of Hg |
| Forming
Heater Roller
Temp. |
N.
A. |
Around 150
Deg. C |
| Surface
Temp. of
the Sealing
Roller |
N.
A. |
180
–
200 Deg.
C |
| Line
speed of
the M/c.
(Start –
up) |
N.
A. |
1.5m
/ min. to
8m / min. |
| Forming
Heater Temperature |
110
–
150 Deg.
C |
N.
A. |
| Forming
compressed
air pressure |
5
–
6 Kgs/ cm2 |
N.
A. |
| Gap
between
Film Guides |
0.5
–
1mm + Film
Width |
N.
A. |
| Sealing
Temperature |
160
–
200 Deg.
C |
N.
A. |
Note
:-
The above
Parameters
are just
the guidelines
based on
our experience.
Actual values
may vary
on case-to-case
basis.
PRECAUTIONS
·
The PVDC
coated
side should
not come
in contact
with the
forming
heater
roller
of Rotary
Vaccum
Forming
Machine.
·
Lidding
foil should
be loaded
in such
a way
that heat
seal lacquer
is in
contact
with PVC
side of
the
PVC/PVDC
film at
sealing
stage.
·
Keep the
forming
heater
roller
clean,
to avoid
hazy patches
on the
film.
·
Adjust
appropriate
unwinder
brake
tension
and check
for free
movement
of idler
rollers
to avoid
widthwise
shrinkage.
·
Check
the design
of the
cavity
/ Draw
ratio
to avoid
the possibility
of weak
blister
formation.
STORAGE
·
It is
Recommended
to use
pvdc coated
film within
3 month
of manufacturing
for best
results.
·
It should
be stored
in their
original
packing
at temperature
between
280C
to 350C
until
ready
for
use.
·
Protect
it from
direct
Sunlight
and Damp
Walls.
· Never
process
cold material.
· It
should
be handled
with proper
care even
during
movement
in the
factory.
|
