Ferlin has the solution
Our dosing mixers, hopper loaders and filter systems are well suited for injection molding. Our hopper loaders are stand alone and do not require any signal from the injection molding machine. As a result, changes in the settings of the injection molding machine do not affect the mixture. In addition, we produce a batch which allows much more accurate small shot weight dosing. This makes the GRAVIMIX the ideal partner for the injection molding machine.
Removable hoppers make it easy to clean the machine. Because regrind or grinding materials are often used in the blow moulding process, dust is created during the process. With fixed hoppers, it is often a difficult job to get all the dust out of the hoppers. The removable hoppers make this a simple job. The hopper loaders can stay in place during cleaning, and no tools are needed. In addition, the hoppers are closed, so no unnecessary material is lost.
The removable weighing pan makes further cleaning of the dosing machine even easier. Just loosen an air coupling, and the weighing pan can be removed without any problems and without any loss of material.
The removable mixing chamber completes the easy cleaning of the dosing machine. The mixing chamber is fully welded and equipped with a manual slide so that no materials are unnecessarily lost.
Sensor deflashing is standard on all our new machines. The blow-off cleans the mixing chamber sensor every cycle. Sometimes static material or dust from regrind or grinding materials can cause the sensor to signal that there is material in the mixing chamber. By blowing off the sensor every cycle, this is solved and the process will no longer come to an unjustified halt due to a lack of material.
Low-level sensors give a timely alarm when material is in danger of running out. Especially for smaller percentages of additive or masterbatch in smaller production series, a hopper loader is not always necessary. By receiving a signal in time, the process is prevented from coming to an unnecessary halt.
F4 and CF500 filters are used to transport materials before they are dosed and processed in the blow moulding machine. Because regrind or grit is often used in blow moulding, a lot of dust is generated. A lot of dust can lead to a reduced capacity of the transport system, so pleated filters or other filters that are cleaned with compressed air often have to be cleaned manually as well. This brings the process to a standstill. The F4 and CF500 filters work with filter bags and a vacuum-based self-cleaning system that creates a very large airflow through the filter bags. This reverse jet cleaning is very powerful so that the capacity of the system is maintained and manual cleaning is hardly necessary. This not only saves a lot of time but also a lot of downtimes.
Hopper loaders of the MOVAC series have been developed with a lot of attention to detail. These details ensure that the process does not have to come to a halt because rubber has worn out at the inlay filter, which is missing in our hopper loaders due to smart design.
For materials such as PET, proper drying is essential. A constant dew point is very important here. The drywell dryers work by means of a rotating disc that simultaneously regenerates, cools down and absorbs moisture. This not only creates a very constant dew point but also saves a lot of energy.
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