Dosing & Blending > Digital Disc > Additive Feeding System
Colorblend M Duo

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The Colorblend M Duo is a synchronised, digital dosing system designed to precisely dose plastic additives (either in pellet or powder form) on any plastics processing machine, whether injection moulding, blow moulding or all extrusion applications.
The precise dosing of additives is accomplished using a correctly sized dosing disc in combination with a special DC drive motor and our easy to operate control. This combination allows for additives to be dosed in synch with the processing machine and the flow of the main component material. When the additive and main material hit the processing screw, they will be mixed at exactly the right proportion, according to your inputted recipe. The Colorblend M Duo controllers are connected to the processing machine and monitor the screw recovery time for injection, blow moulding and the screw speed of an extruder. Colortronic guarantees delivery of a homogeneous mix every time without risk of de-mixing even with the use of micro-batch (or micro pellets).
Our design makes material change-over almost effortless. Simply lift two quick disconnects and remove the additive station. By the use of a spare station, change-over is immediate. If you elect not to purchase a spare station, clean up and material change occur off the machine in minutes, reducing down time and risk of injury. Additive may also be automatically loaded by the use of one of Colortronic's hopper loaders.
The Colorblend M Duo is mounted directly in the throat of the processing machine. We have various sizes and adapters to accommodate machine sizes and hopper loader configurations.
Technical Information
- Components to dose granulate, micro-batch/pellets or powder (please specify)
- Quick disconnect for chang-eover/cleaning
- Sampling device for simple calibration
- Ability to handle materials up to 80 °C (176 °F)
- Separate easy to operate control with 40" connection wire
- Connection wire to processing machine
- Operating voltage: 230 VAC (+/- 10%), Single phase, 50/60 Hz
- Operating load: 0.2 kW
- Weight 23 kg (51 lbs)
Optional Equipment
- Spare stations for immediate change-over for pellets or powders
- Option for abrasive materials
- Audible alarm
- Alarm light
- Low level sensors
- Intermediate hoppers for main component side
- Hopper loaders for automatic refill
- Special voltage
- Larger base piece for larger processing machines