Hasco Single shot nozzle
Compatible installation dimensions, temperature control, functionality and cost-optimised design — those were the goals for Hasco's new single shot nozzle.
The new Single shot nozzles by Hasco can be used for all easy-to-process plastics, as well as engineering plastics and those with a low level of reinforcement. The nozzles come in two sizes and are suitable for the production of small and medium-sized injection mouldings with a shot weight of up to 800 g and immersion depths of up to 179 mm.
The interchangeability of the relevant wear parts, including tips and melt chambers and also the thermocouple, facilitates servicing and maintenance. The heating unit, which is firmly pressed directly onto the body of the nozzle, has just one control circuit and guarantees a uniform temperature over the full length of the nozzle.
The suitably adapted heating-capacity distribution and the gentle conveyance of the melt through flow channels, with generously-dimensioned diameters, ensure a homogeneous temperature profile and low-shear mould filling, the company explains. Due to the arrangement of the Fe-CuNi thermocouples and the efficient insulation from the cold mould, plastics with a more limited temperature range can also be reliably processed.
The aims pursued in designing the nozzle were to achieve the biggest possible melt throughput for a compact design and the maximum possible stability. Since the nozzle has only one control circuit, it is suitable for small installation spaces and the pressed-on heating ensures a very low overall energy requirement.
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