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What is filament winding?

asked 2016-05-29 20:49:48 -0500

Conrad_Marr gravatar image

What is filament winding in composite manufacturing?

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answered 2016-05-29 20:55:27 -0500

Johann Heun gravatar image

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Filament winding is a fabrication technique involving wrapping pre-tensioned, resin saturated continuous reinforcements around a mandrel (male mould). The mandrel is usually circular in cross-section; however other cross sections are achievable with the correct programming. Specific mechanical properties are achieved through reinforcement and resin selection, careful fibre orientation and thickness. Suitability to operating environment is primarily determined by the resin matrix and internal lining (however reinforcement selection should also be carefully considered). Programs can adjust settings such as wind angle throughout the laminate build to optimise the properties.

Filament winding with a fixed mandrel restricts the overall length of the finished part by the length of the mandrel. Manufacturing is best described as a batch process. Continuous filament winding utilises a steel band wrapped to form the mandrel. The band collapses on itself at the end of its travel, and relocating back to the beginning to form the mandrel again. This process is for larger diameter parts, but the length of the part is then less restricted by machinery constraints.

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Asked: 2016-05-29 20:49:48 -0500

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Last updated: May 29 '16