Robox 3d printer, User Manual

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6.0 Finishing Parts
6.2 Removing Soluble Support Material
If your Robox® has a dual material head and second reel holder (RBX01-DM) then
you can make use of Soluble Support Material for supporting your models. Your
part is left with no visible blemishes and a smooth surface. The larger areas can
be removed by hand to speed up the process, but it is designed to be a largely
hands-off process. There are currently 3 possible material choices:
6.2.1 Polyvinyl Alcohol (PVOH)
This is a water soluble support material which is compatible with PLA and ABS
as a build material. It can be dissolved in cold water, but the process can be
accelerated using ultrasonic vibration and/or slightly elevated temperature.
6.2.2 High Impact Polystyrene (HIPS)
This material is only for use with ABS build material. It can be dissolved in
Limonene, which will dissolve the support but leave the ABS intact. The
dissolving process can be accelerated using ultrasonic vibration and/or slightly
elevated temperature.
6.2.3 Polylactic Acid (PLA)
PLA can be used as a support material for ABS parts - it is softened in hot water,
allowing for manual removal or it can be dissolved using a hot caustic soda
solution and accelerated using ultrasonic vibration.