SPECTROCOLOR G
Close Gravity-mixing principle
Unbeatable mixing quality.
Close Synchronous dosing
Better quality of end product and cost efficient because no over dosing of expensive materials.
Close Compact design
Requires little space.
Close Reliable refilling of materials
Greater process security.
Close Integrated material loaders
Greater flexibility and efficiency. Less space required.
Close Double slide valves
Reduce system size and cost. Run gravimetrically for longer.
Close Dosing motors
Greater reliability because maintenance free.
Close Angled dosing screws
Greater accuracy because no material slip.
Close Quick material changeovers
Higher efficiency because more time spent in production.
Close GRAVInet SC control
State-of-the-art control. Innovative, Ethernet-based open network architecture.
Close Gravimetric collecting bin
Ideal for fibre and textile applications.

Gravimetric dosing & mixing units SPECTROCOLOR G

The SPECTROCOLOR G is a synchronous gravimetric dosing station based on the loss-in-weight principle. Its excellent short and long term dosing accuracy ensures you the process reliability you need for continuous manufacturing.
Our unique gravity-mixing principle offers you a high consistency of mix for all the components before they reach the extruder. This plays a key role in guaranteeing you perfect plasticization and homogenization of the materials.
SPECTROCOLOR G doses and mixes all easy to normal flowing granular materials. Up to six dosing modules, optionally with a component for free-flowing material, support both flood-fed and starve-fed extrusion.

Further product information
Gravity-mixing principle
Synchronous dosing
Compact design
Reliable refilling of materials
Integrated material loaders
Double slide valves
Dosing motors
Angled dosing screws
Quick material changeovers
GRAVInet SC control
Gravimetric collecting bin
Gravity-mixing principle Unbeatable mixing quality.

Our unique gravity-mixing principle provides you a high level of mixing consistency without the need to mechanically mix. This plays a key role in achieving perfect plasticization and homogenization of the materials in the extruder.

Synchronous dosing Better quality of end product and cost efficient because no over dosing of expensive materials.

Synchronous dosing offers you excellent recipe accuracy and reproducibility, which can be followed at any time. So, for example, you can check the actual dosed throughput of any dosing module at any given time and these values can be documented by the reporting function of the GRAVInet SC control.

Compact design Requires little space.

Extremely compact construction due to the unique design of the supply hoppers and the location of the load cells. This allows you to install the station where many other similar units would not fit.

Reliable refilling of materials Greater process security.

The mechanically decoupled platform for material refilling prevents any negative impact on the weighing process during refilling.

Integrated material loaders Greater flexibility and efficiency. Less space required.

Smart integration of material loading through the direct refilling of the weigh bin using motan's METRO G loaders with a pneumatic discharge flap. This way the loading process is integrated both mechanically and with the control system. As a result, SPECTROCOLOR G with the METRO G loaders are delivered as a fully tested system. Your benefits are process reliability, rapid assembly and commissioning, and a single-user interface via the GRAVInet SC control panel.

Double slide valves Reduce system size and cost. Run gravimetrically for longer.

If refilling with METRO G loaders is not an option, then our fast refill double slide valve with up to 40 refills per hour can significantly reduce your system size and cost. Fast refill systems, in contrast to conventional systems, do not require large hoppers, thus reducing costs and installation volume. In addition, the volumetric dosing time is reduced and your recipe runs gravimetrically for longer giving you greater accuracy.

Dosing motors Greater reliability because maintenance free.

The dosing motors are swivel mounted and can be removed without tools. The motors are brushless and have integrated motor management which makes them maintenance free.

Angled dosing screws Greater accuracy because no material slip.

There are six different sizes of wear-resistant dosing screws available and they can be removed without the use of tools. The screws are inclined at an angle for a constant dosing flow insensitive to vibration. This gives you greater accuracy because machine movements have no effect on the dosing process and material slip on the screw is eliminated.

Quick material changeovers Higher efficiency because more time spent in production.

Cleaning and material changeovers are fast and require no tools. The quick-change system, compromised of a discharge slide gate for emptying materials, a removable supply hopper, a swivel mounted motor, and a dosing screw with a quick release connection, makes the unit easy to operate and saves you valuable time.

GRAVInet SC control State-of-the-art control. Innovative, Ethernet-based open network architecture.

The GRAVInet SC control system boasts innovative, Ethernet-based open network architecture. In addition, it offers you excellent control characteristics when handling set point jumps and ramp mode thanks to its optimized control settings and filter functions. The high-tech touch-screen color display with LCD-TFT resolution enables simple, intuitive, fast, and reliable operation. It has comprehensive features for process and recipe management, offering you reporting functionality for quality assurance and it delivers advanced service functions and graphical display of process data.

Gravimetric collecting bin Ideal for fibre and textile applications.

In combination with the gravimetric collecting bin the SPECTROCOLOR G can be configured for flood-fed operation (single and counter-rotating twin screw extruders). This configuration is ideal for fibre and textile applications because the material level above the extruder must be as low as possible to avoid material separation in the collecting bin.