Spray deposition of silicone on permeable mandrel

Posted on fergalcoulterPosted in Artificial Muscles, Silicone

A 3D printer was built, capable of spray depositing silicone on to double curved (rotating) mandrels

Silicone being cured by infra-red. Spray head visible in background
Silicone being cured by infra-red. Spray head visible in background
Constant layer thickness DEA layers. The last (upper) two layers are double thickness.
Constant layer thickness DEA layers. The last (upper) two layers are double thickness.
Various thickness layers produced by spray deposition testing. Minimum (consistent) layer thickness was 40um
Various thickness layers produced during spray deposition tests. Variation in thickness due to changing spray paramenters for testing purpose. Minimum (consistent) layer thickness was 40um

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