Lee Loadmaster Automatic Case Feed Tube
thingiverse
This case feed tube is designed to work with the base of the Lee Loadmaster Feed Plate Assembly. Adapters can be created to feed cases into the top. My configuration uses a 1/2" hydraulic hose line. 4mm proximity sensor is used to activate the case feed motor. Below are links for proximity switch and hose line for reference. There are other sources for these same parts. Hydraulic Hose: https://www.ebay.com/itm/202074049953 Proximity Switch: https://www.ebay.com/itm/124835985323 I printed this in PETG with high infill but that likely isn't necessary. There is minimal stress on the item so PLA at a lower infill is likely just fine.
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