Where pasty or highly viscous, no longer self-leveling components are required, they are processed with follower plate systems. As there are different cylindrical containers available from the material manufacturers, the follower plates are selected according to the container size. The material is received directly from the containers. The most common containers are 20 l hobbocks, 50 l and 200 l steel drums.
The configuration of a NODOPOX usually consists of a mobile basic model, which is supplemented by modules from the existing module system. The systems can be designed as 1C, 2C systems or for more components. The mixing ratio is defined via the integrated Siemens control in the operating panel. The required program modules are individually compiled in the PLC by our programmers and adapted to the application process. Pot life, shot quantity and, in the case of volume flow-controlled systems, also the mixing ratio, for example, can be set via the machine control on the touch screen.
In order to avoid process interruptions during drum change, we developed buffer containers in 2009 which are automatically filled by refill stations and thus ensure uninterrupted dosing.
The systems can also be equipped with various vacuum options – patented by TARTLER – which can improve or even guarantee process reliability.
Information about possible components and configurations can be obtained from our sales team.
Basic equipment
- Suitable for liquid synthetic resins of polyurethane, epoxy and silicone
- Flow rates can be specified within 0.1 to 30 l/min
- Adjustable mixing ratio (self-regulating on request)
- Static mixer or disposable rotary plastic mixer possible
- Conveyed from container: 20 l, 50 l, 200 l drum.
- Control: from simple user interface to touch panel
- Different tube lengths
- Requires compressed air
- Power connection: 400 volts
- Stationary or mobile, powder-coated steel frame (free choice of color)
Technical Data
| Components | 1C or more components |
| Viscosity range | from 60.000 mPas |
| Mixing ratio | Adjustable mixing ratio (self-regulating on request) |
| Flow rate | Can be specified in the range from 0.1 to 30 l/min |
| Control system | From simple user interface to touch panel |
| Container | 20 l (hobbock), 50 l, 200 l |
| Available modules |
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Module elements
A dosing system of the NODOPOX series can be equipped with the following modules. As a manufacturer of special machines we adapt all machines to the respective process conditions.
Nodopox V TD 2K – Refilling Station
Refilling connection
Nodopox V TD 2K – Refilling Station
Refilling connection
Refill
To ensure the dispensing process runs continuously and without interruptions, even during barrel changes, we offer refills from the delivery containers. Various configurations are available for refilling.
Automatic refilling with and without vacuum or vacuum assistance
- Dosing containers are connected to a mobile refilling station with coupling systems, if necessary, to prepare the dosing containers for the next dosing application.
- The permanently installed stainless steel dosing drum is continuously filled from 200-liter delivery containers by the integrated refilling station. This means that the dosing containers are permanently kept in the dosing unit. No process interruption is necessary when changing drums.
Both versions are available with manual venting of the refill container or vacuum-assisted drum changes or vacuum barrel changes using maximum vacuum.
The control system handles automatic refilling so that the dosing container always has sufficient material available for a continuous dispensing process, even during a drum change.
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Pasty components
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Vacuum drum (TAVA)
Material degassing & recycling
Air and humidity in the material reduce material quality and process stability. If the material is freed of this interfering air before processing with a TAVA F, you create the best conditions for the actual application.
In addition to material optimization, the TAVA module can also be used for vacuum drum changes on dispensing systems. The TAVA module guarantees that no air enters the dispensing system and thus the process during drum changes. Complex and manual drum venting, with the potential risk of splashing and contamination of the system operator, as well as potential material loss, is completely avoided. This reduces material costs and significantly improves the environmental impact of the processing process.
- Drum changes without any air pockets
- Maximum occupational safety, no risk of splashing and no contamination
- Guaranteed process reliability for subsequent applications
- Cost reduction, as material residues in the inliner of the empty container can be fed into the new delivery container. Introduced air bubbles are eliminated again under full vacuum
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Pasty components
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Melting unit under the follower plate with liquefied material
Detailed view of the melting unit under the follower plate
Melting unit, installed in a NODOPUR 3K
Melting unit
In order to be able to process non-flowable material at room temperature, it is often necessary to heat the tank and hoses. In order to protect sensitive material, a melting unit of the follower plate can melt / liquefy exactly as much material as is actually processed. The remaining material in the drum is not unnecessarily affected, as would happen if the tank were completely heated. In addition, time is saved because production can be started faster.
In order for the system to function, all other components, such as hoses and mixing head, must be equipped with a heater to prevent cold spots and thus guarantee optimum mixing of the components.
This melting unit is interesting for applications such as
- hot-cast adhesive
- hotmelt
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Pasty components
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Process-safe drum change with the vacuum drum
Vacuum drum, open (color on customer request)
Vacuum drum, closed (color on customer request)
Tartler-0221-4
Vacuum drum on Nodopox V TD 2K – refill station
Vacuum drum change
A vacuum is created between the material surface and the follower plate. The follower plate is lowered in a controlled manner only after the maximum or desired (adjustable) vacuum has been reached. The vacuum is regulated and controlled at all times until the follower plate is in contact with the material surface. This ensures that NO air enters the process!
This system ensures absolutely reliable drum changes in follower plate systems for highly viscous components. Furthermore, we increase work safety; there is no material loss and no risk of splashing.
An overview of drum change systems can be found here:
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Pasty components
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vacuum-assisted follower plate
Vacuum-assisted follower plate deaeration
Vacuum-assisted follower plate venting not only increases process and work safety but also reduces material loss.
The follower plate is drawn to the material surface by sucking in the air between the material surface and the follower plate until it sits flush with the material. This drum change procedure is user-friendly, prevents dangerous splashes, and minimizes material loss, as no material needs to be vented via a ball valve or similar outlet.
The machine operator can be confident that there is virtually no harmful air between the follower plate and the material surface that could interfere with the pumping process. The air is sucked out at the push of a button. No manual intervention is required. However, to ensure that no air is introduced into the dispensing system, we recommend vacuum drum changing (drum change with full vacuum).
You can find more information on the subject of “drum change” here:
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Pasty components
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Heated tanks
Heating hose (black) connected to the mixing head
Heating of the individual components
Heated 60 l tank with agitator
Cold spot heating
Heating
All machine parts, from the container to the hose and mixing head, can be heated to reduce the viscosity of the material – for example, to shorten the pot life or improve mixing of the components. Depending on the application, there are several options available.
Container
- Jacket heating (adapted to the container)
- Double jacket (heating with water or oil)
- Extra agitators for a better heat distribution
Hoses
- Heated hoses
- Insulation
Depending on the sensitivity of the material, all possible cold spots must be additionally heated or insulated. Heating cartridges, ring heaters and heating tarpaulins are used in this process.
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Liquid components, Pasty components
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Mobile frame with trailer coupling
Machine with own drive unit
Machine with own drive unit
Mobility
Depending on the size and location/purpose of the system, it must be mobile. There are several options for achieving mobility:
- Mobile frame
- Dedicated drive unit
- Trailer coupling for universal tractors, movers, etc.
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Liquid components, Pasty components
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Volume flow controller
Volume flow controller
Volume flow controller
Volume Flow Control
Machines with flow control continuously measure the material flow rate and report any deviations to the dosing pump drives, which automatically adjust the flow rate accordingly. This happens within fractions of a second, guaranteeing consistent output and optimal mixing ratio accuracy.
| Categories : |
Liquid components, Pasty components
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Sample projects / Already built systems
Data sheet
Download more information about the NODOPOX series here.
We would like to provide you with the best possible advice and require important information on your perfect metering and mixing system for the initial contact. Use our inquiry form – quick, easy, uncomplicated.
We are happy to advise you!
We make consulting and service a top priority. If you are interested in or have any questions about the NODOPOX series from TARTLER, please feel free to contact our experts at any time.
Markus Fesel
Technical Sales & Project Management
Phone: +49 (0)6061 9672-13
m.fesel@tartler.com
We are happy to advise you!
We make consulting and service a top priority. If you are interested in or have any questions about the NODOPOX series from TARTLER, please feel free to contact our experts at any time.
Markus Fesel
Technical Sales & Project Management
Phone: +49 (0)6061 9672-13
m.fesel@tartler.com
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