Repbox 1.5 Fittings for PC4-M10 Pneumatic Couplings
thingiverse
The new connectors for the Repkord Repbox version 1.5 are extremely unreliable. The connector threads are insecure, and the fittings barely hold onto 4mm PTFE tubing without applying significant force. Furthermore, if you have the sealed version of the Repbox, the connectors are far from airtight and cannot be closed when not in use. I took motocoder's fantastic drybox connector and adapted it to fit the Repbox 1.5, resulting in much more secure and airtight connections. I printed all parts in PLA without any issues with breaking components. You can attach the tubing to the passthrough using these connectors: https://www.amazon.com/gp/product/B01IB81IHG/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1. To install, simply push the passthrough into an opening and secure it with a nut. I used a small tack on the passthrough to seal the hole instead of a gasket. The nut is very close in dimension to the hexagon cutout inside the box. You can then use a second nut to further secure it or a cap if that opening will not be used.
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