Download - Blow Film Unit 300
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Blown Film Unit 300
It is suitable for production of
small films used by the food
industry and in the packaging
field where the application of big
production machines is often not
profitable.
A compact unit for blowing,
cooling, take off and wind up
of extruded hoses.
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application
Production control:
Monitoring the dispersion performance of compounders
or extruders used in batch production
Inspection of incoming goods for gels and color distribution
Inspection in polymer processing
Production:
Production of small films used by food industry and in the packaging field
Development:
For control of the maximum polymer extensibility
To monitor the suitability of polymers or polymer blends in the laboratory
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Blown Film Unit 300 with ALR - M station
Machine Frame:
The machine frame executed
as a stable, movable and fixable
support with a central telescope-type profile system.
Easy installation of all components.
The automatic lifting function
enables the Blown Film Unit tobe easily adjusted to any
take-off height
Combination with MBR Online rheometer to
measure online MFR and Viscosity
Labextruder with exchangable cylinder
diameter and length ( D= 20 / 30 mm / 1 )
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Blow Film Unit 300 Gttfert Laboratory extruder
with touch srceen operating panel
with PC- ControlSoftware ROSwin
Trends and Display
Free definition of single display
trends
windows for measured
and evaluated parameters
Shear Viscosity
Extensional Viscosity
Correlation for IV
Calculation Viscosity / Stress /
Extensional Viscosity Curves
Rheological Model Fits
First Normal Stress Difference
32bit Software running under Windows 2000 and XP
Data base structure with possibility of data
export to Microsoft Excel
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Lab-Extrusion single screw
Drive:
Laboratory extruder 2.2 kW max.screw diameter 30mm
Extrusiometer 7.5 kW max.screw diameter 30mm
Extrusiometer 25-30 kW screw diameter 45mm
Screw diameter: Screw length [L/D]
20 mm 20/251 20
30 mm 20/25
45 mm 20/25/30
Dies: rheometer die, round hole die
Downstream equipment: flat film, film blow, tubing device,
filter measuring head, cable sheeting head,
other equipment available
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Blow Film Unit 300 - schematic
Force t ransducer
Decoupl inguni t
Tubelesswind ing
Deflect ion rol ls
Force transducer
Decoupl ing unit
Tubeless wind ing
ROSWIN software
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Blow Film Unit 300 - Blow Film Head / Blow Film Die
Blown Film Head:
The blown head / blown film die is attached to the laboratory
means of a deflection head.
The long orifice land ensures good homogenization and
conveyance to the die outlet.
Standard dies
30 mm - 50 mm - 60 mm
- other diameter and on request -
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-1 x mandrel D = 50 mm
-1 x orifice D = 51,0 mm =
> gap width of 0.50 mm -> LDPE
-1 x orifice D = 51.5 mm => gap width of 0.75 mm -> HDPE
-1 x orifice D = 52,0 mm =
> gap width of 1.0 mm -> HDPE
-1 x orifice D = 52.4 mm => gap width of 1.2 mm -> LLDPE
-1 x orifice D = 53,0 mm =
> gap width of 1.5 mm -> LLDPE
Applications for Polyethylen
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Blown Film Unit 300 - dual lip cooling ring
1 Basic Body
2 Cover disc
3 Air conveyance plate
4 Distance sleeve6 Air guiding ring
7 Thread insert
8 Lower Lever
9 Upper Lever
13 Connection neck
15 Insulation Ring
17 entring Ring
18 Fixing block
fine adjustment
of the two gaps
The blow cooling ring operated at two blow levels
even and sufficient distribution of cooling air
very narrow tolerances in film thickness
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Blown Film Unit 300 - Option cooling of cooling air
Display for set and
actual temperature
Temperature range -0 - + 40C
The additional cooling of the cooling air is
needed for the production of high
transparency films
Additional automatic Haze measurementfor QC is available
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Maximum winding
diameter 600 mm
Blow film unit 300 - take off unit / windig motor
Core-free winding upRoll width: 320mm
Flattening width max. 300 mm
Take-off speed 0.1 - 50 m / min
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Blow Fi lm Unit 300 - Decoupling system
Decoupling system with
adjustable traction force of
0-50 N
Forcetransducer
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Blow Film Unit 300 Film control system
inspection of surfaces.
quality control of transparent
materials such as films, glass
acrylic glass as well.
detect fisheyes, blackspots, holes
and other inhomogeneities in 10
different class sizes from 5 m andupwards.
lighting unitandhigh-speed line-
sensor connected to a high
performance image processing
computer
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Blow Film Uni t 300 - tempered nip roll
a strong circulat ion ch i l ler byside
ensure a precise and co nstant cool ing of
take off rol ls or b low f i lm
Nid rol l tempered
with water or heat
transfer oi l
Rubber nip rol l
Temperature range
30C - + 150C
pressure up to 6 bar
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Blow Film Unit 300 blow support with central adjustment
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Blow Film Unit 300 Features
Modular system:
It's easy to add options and / or design it to a custom system.
Control:
User friendly control panel:
Clear arrangement of all control modules
and displays
Build in SPS control with adjustable parameter
Error diagnosis
Central alarm output makes it easy to handle
Decoupling arrangement:
Isolates the forces of the pull off motor and enables the user to set a force
of 0- 50 N with a constant force on the film
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Options
- Dual-lip cooling ring
- Cooling of the cooling air
- Film quality testing system
- Film tear monitoring
- Film width measurement controlled
- Haze measurement
- Gloss measurement
B low Fi lm Unit 300 - features / options
Features
- Decoupling system
- Winding-up reels for
core-free winding up
- Central blow support adjustment
- Roll width 320 mm
(other on request)
- Die dimensions 30/50/60 mm
(other on request)
- Take-off speed 0,1-50 m/min
- Controlled max. 50N
take-off force