Two-Stage-GITBlow – a process for complex and multi-functional injection molding parts
The GITBlow process combines the advantages of two established processes of gas injection technique (GIT) and blow moulding "inline", i.e. integrated in the injection moulding process. A hollow core in the part, which has been created through GIT, is inflated further, enhancing a 2nd inflation of gas. In recent years, based on extensive experimental findings, a large number of specific GITBlow process phenomena relating to the inflation of moulded-on hollow areas have been identified. On the basis of these findings, this contribution shows wide-ranging conclusions about the residual wall thickness homogeneity in the final part. For this purpose physical effects and basic parameters are taken into general consideration.
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