Two Different Recipes at the Same Time
Double Production Rates without Quality Losses
According to ST Blowmoulding, Monza, Italy, the ST Aspi 150.3 Duo doubles the production output of blow molded 3D products compared to a single machine without doubling capital and operating costs, while providing high flexibility of use. Like all models in the Aspi series, the Duo machine can also be used for 2D blow molding: each clamping unit is optionally prepared for installation of a blowing unit from the bottom, complete witz with nozzle and spreaders.
The machine construction is based on two adjacent clamping units. An accumulator extrusion head and associated extruder move on the upper platform to alternately fill the two molds according to the cycle rate. This structure requires a relatively small machine footprint, because the locking units do not have to be moved back and forth, but are static. It offers good accessibility to the molds (the clamping units - "tiebarless" type - are accessible from both sides) and - because only one extrusion head is used - a uniform production quality.
Flexibility of Production
The cycle parameters can be set separately for each of the two molds, such that the machine can handle two different recipes at the same time. If required by the production requirements, two different molds can be mounted to fully exploit the machine's potential. The first model of the machine was recently installed in the USA, according to the manufacturer.
S.T. Soffiaggio Tecnica S.R.L.
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