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Introduction:
Film blowing machine is to melt plastic particles and then blow into a film, the first dry polyethylene particles into the hopper, by the weight of the particles itself into the screw from the hopper, when the grain and threaded oblique edge contact, the rotating oblique edge face plastic and diagonal edge vertical thrust, plastic particles forward, in the process of moving, Due to the friction between the plastic and the screw, the plastic and the cylinder as well as the collision friction between particles, but also due to the external heating of the cylinder and gradually melted. The molten plastic is filtered by the head to remove impurities from the die mouth, cooled by the wind ring, blown through the herringbone, traction roller, and the process of winding the finished film into a tube.
Application:
The film blowing machine is suitable for all kinds of high-grade film packaging. This film because of its good barrier, fresh-keeping, moisture-proof, frost-proof, oxygen insulation, oil resistance, can be widely used in light and heavy packaging. Such as all kinds of fresh fruit, meat, pickles, fresh milk, liquid drinks, medical supplies, etc.
Colleges and universities, scientific research institutions: research and development of new materials, teaching use, formula improvement
Plastic industry: color matching, proofing
Pigment industry: color matching sample, testing dispersion
Technical parameters:
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Single screw plastic extruder |
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Main motor |
2.2KW |
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Frequency converter |
2.2kw |
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Frame |
welded by section steel, and annealed to eliminate stress, with high rigidity, not easy to deformation |
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Program control system |
automatic PLC program control can directly display the temperature, screw speed, traction winding speed, etc., all parameters can be set and controlled at will) English interface can be switched at any time |
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PLC touch screen size |
10 inches |
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Barrel and screw |
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Output |
1-4Kg/h |
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Screw diameter |
20mm |
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Screw length ratio diameter |
28:1 |
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Screw speed |
0~95r/min |
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Screw material |
38CrMoAlA nitride steel |
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nitriding layer depth |
0.4 ~ 0.7mm |
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nitriding hardness |
850HV |
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Screw edge surface roughness |
0.4um |
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Inner surface roughness of cylinder |
0.4um |
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Melt pressure |
0~30mpa high precision melt pressure sensor to monitor the pressure change of the head |
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Heating system |
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Temperature range |
normal temperature ~300℃ |
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Heating zone |
6 zone heater, screw 3 zone cast aluminum heater, 3 zone head heating. External stainless steel safety hood |
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Heating power |
4KW |
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Cooling plant |
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Use 4 groups of fan cooling, screw 4 zone fan cooling |
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Fan power supply |
3 ~ AC380V,50HZ |
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Cooling fan power |
50W |
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Die mouth and winding group |
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Die diameter |
24mm |
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Air ring size |
320mm |
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Film Max. folding |
150mm (depending on the material blowing coefficient) |
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Herringbone splint device |
stable film |
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Traction roller size |
traction steel rod and rubber roller a pair of Ø80×L320mm |
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Traction winding speed |
0~30r/min |
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Traction motor |
120W |
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Observation lamp |
LED observation lamp (can observe the dispersion effect of materials) |
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Winding motor |
25W (friction winding) |
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Size of winding roll |
Ø80×L320mm |
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Power |
AC380V, three-phase five-wire or Customize |
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Volume |
2100*500*2100mm |
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Weight |
about 500kg |
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