LumenPNP 8mm feeder alternate spool mount

Replacement spool mount for the 8mm LumenPNP feeders designed for standard 7" spools
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updated February 20, 2024

Description

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The original spool mount of the feeders were too narrow for the spools I got, also they slipped out very easily when moving the feeder. This mount encloses the spool on both sides, preventing accidents when moving the feeder.

The design is heavily inspired by the spool mount of markmakers PushPullFeeder. It uses two very thin side walls, providing enough rigidity while leaving enough space for 7" standard spools up to 14.4mm width without extending over the 16mm spacing of the feeders. It is a drop in replacement for the standard mount. The spool is placed a bit closer to the feeder, reducing the overall length of the feeder assembly.

The latch is fixed to the main mount on two positions. To change the spool only the connection on the spool axle needs to be opened, the thin plastic pieces bend enough to insert the spool. This axle is secured with an M3 screw, basically any type from 6 to 12mm should fit. By default the screw is threaded directly into the plastic, alternatively - or when the plastic thread wears out - an M3 nut can be inserted. The other connection holds quite well just by friction, but can alternatively be secured using another M3 screw (again, basically any screw from 6 to 12mm fits).

I printed mine from PLA with a .6mm nozzle and .3mm layer height (reducing the spacing to 14.2mm).

Tags



Model origin

The author remixed this model.

Differences of the remix compared to the original

Completely custom design inspired by this spool mount

License