snap-back forming

snap-back forming

[′snap ‚bak ‚fȯrm·iŋ]
(engineering)
A plastic-sheet-forming technique in which an extended, heated, plastic sheet is allowed to contract over a form shaped to the desired final contour.
References in periodicals archive ?
In this study we investigated the influence of initial temperature distribution over the sheet on the part thickness distribution of a vacuum snap-back forming process.
The pre-stretching techniques such as plug-assist and snap-back forming are used to obtain more accurate and uniform thickness distribution of parts thermoformed in complex geometries.
The thermoforming method simulated in this study is referred to as vacuum snap-back forming, a schematic of which is shown in Fig.
* Forming: Standard vacuum, pressure, or snap-back forming can be used.
In this study we investigated the influence of both rheological properties and processing parameters on the part thickness distribution of a vacuum snap-back forming process.
Pre-stretching techniques such as plug assist and snap-back forming are used to obtain more accurate and uniform thickness distribution of parts thermoformed in complex geometries.