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NGR - Model E:GRAN -Chopper-Feeder-Extruder Combination System
A space-saving design, an energy-efficient drive and simple, intuitive operation. These are all features of the plastic recycling plant equipment E:GRAN, the re-processing technology for thermoplastic film edge trims and roll scraps.
Whether it‘s being used as a stand-alone solution or integrated with a film pro- duction process, E:GRAN stands out for its ideal in-feed thanks to the innovative chopper/feeder design. The chopped film material is pre-compressed and fed directly to the extruder. This makes it possible to carry out highly economical and environmentally friendly zero-waste production (all production waste is fed back in). Innovative control concepts allow the plastic reprocessing machine E:GRAN to adapt to fluctuating edge trim amounts automatically – for maximum product quality.
What else makes E:GRAN great? Its process stability, its energy efficiency and its compact size make it stand out across the board. Its robustness allows it to operate 24/7/365 while ensuring precise and consistent output.
- Effective film preparation
- Output rate up to 120 kg/h (270 lbs/h) depending on type
- Automatic adjustment of the extruder speed to fluctuating edge trim amounts
- Switching on and off by a single push button
- Clean, dust-free operation: The machine can even be installed in production halls
- One-step technology – without additional intermediate steps
Plastic film and film edge trim are chopped directly in the extruder feed section. The conically shaped conveying area of the screw compresses the material as it enters the extruder.
In the extruder, the material is brought to a uniform melt temperature and subsequently pelletized.
The feed section (where the material is chopped), conveying area and the extruder all lie along a single shaft. The resulting design requires only one energy-efficient drive.
All the components are positioned in close proximity to prevent oxidation of the material and to make optimal use of heat from the chopping process.
All models in the E:GRAN series feature this patented chopper-feeder-extruder combination.
In a single step process, the film edge trim is chopped directly in the extruder feed section and fed into the extruder.
With its compact design, the system can be installed in areas of limited space and its versatility also allows it to be integrated at a later time in the main process.
The control system provides for smooth start-up of equipment components. Restart after unplanned shutdown in less than two minutes with full hopper and full extruder.
Automatic response to differences in quantity when processing edge trim ensures consistent pellet quality.