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Assisted Injection Moulding (AIM) is part of a family of technologies that are operated with plastics processing methods to improve product quality and significantly reduce cost.
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The technologies include the injection of gas or water at high pressure into plastic in an injection mould.
Gas and Water Assisted Moulding
> Compressor Stations
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Maximator Compressor Stations are specially designed for the compression of nitrogen or carbon dioxide from gas bottles, and are employed for pressure generation in gas assisted molding applications.
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> Control Modules
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Maximator Control Modules are suitable for series production with high-pressure nitrogen supply or high-pressure carbon dioxide supply, at a pressure of 500 bar (7,250 psi). The control modules regulate the injection pressure in the GID process.
> Compressor-Control Module
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Maximator Compressor Control Modules are suitable for mold trials and smaller production run applications with the gas assisted injection molding process with gas bottle supply. As a result of the integrated Maximator gas booster, the gas is compressed to the required pressure level and subsequently controlled to the required injection pressure using the pressure-control technology.
> Water-assisted System
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The MAXIMATOR Water Assisted System is suitable for assisted molding applications with water (WIT) in the area of assembly line production of component parts with large cross sections or channels. Considerably shorter cycle times and lower gas costs are a characteristic feature of this process variant.
> Gasdosing Station
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The MAXIMATOR Gasdosing Station is designed for the high-pressure dosing of gas for the physical foaming of plastics. The physical foaming is applied in the process variants extrusion foaming, polyurethane foaming and pressure-die casting foaming (microcellular foaming).
> Gas Injectors
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Nitrogen is charged – controlled by the control module – through the mold lines into the injector. The velocity of flow makes the needle move forward. The freely movable needle extends the molding time and the cleaning cycle. Additional gas channels prevent the melt from forming a skin around the injector. Upon pressure relief the needle moves backwards and wipes off impurities.
> Gas Injection Control (GIC)
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The process monitoring module is positioned between control module and mold. The introduced N2 volume and the recirculated N2 volume are exactly measured. Thus, the system is capable of detecting gas outbursts, injector impurities and mold leakages. This is the first device for operators to dertermine and monitor their gas consumptions.
> External Hydraulic Power Pack HAG
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The MAXIMATOR-HAG hydraulic unit is designed for the supply of hydraulic driving mechanisms, as well as the actuation of cores, valve needles and retractable gas and water nozzles.