Just for fun why did I buy this?

[jens55]

Pebble wiper setup

[fcwilt]

@zapta said in Just for fun why did I buy this?:

Brosse de nettoyage de buse

I like that I idea - I may just try that as well.

Frederick

[fcwilt]

@jens55 said in Just for fun why did I buy this?:

Pebble wiper setup

What is a "pebble wiper"?

Frederick

[jens55]

@fcwilt, a device for cleaning printing nozzles. The purged filament is formed into a pebble for easy separation from the nozzle (no curling around of loose filament), disconnected from the nozzle and then wiped away to ready for the next purge operation. In the context of a tool changing printer, the height of the wiper assembly is adjusted based on the tool being purged which is why you have a very short reach adjustable stage.

[fcwilt]

@jens55 said in Just for fun why did I buy this?:

@fcwilt, a device for cleaning printing nozzles. The purged filament is formed into a pebble for easy separation from the nozzle (no curling around of loose filament), disconnected from the nozzle and then wiped away to ready for the next purge operation. In the context of a tool changing printer, the height of the wiper assembly is adjusted based on the tool being purged which is why you have a very short reach adjustable stage.

Interesting.

How is the filament formed into a "pebble"?

Frederick

[jens55]

@fcwilt, it is extruded onto a flat surface just underneath the extruder
https://lukeslabonline.com/products/pebble-wiper?variant=41218627371193

[fcwilt]

@jens55 said in Just for fun why did I buy this?:

@fcwilt, it is extruded onto a flat surface just underneath the extruder
https://lukeslabonline.com/products/pebble-wiper?variant=41218627371193

Well the link is interesting because it is also a clue to what I am experimenting with.

Frederick

[Yveske]

@fcwilt A cheaper, mechanical way of doing things
https://www.bigbrain3d.com/product/retractable-purge-mechanism/

[fcwilt]

@yveske said in Just for fun why did I buy this?:

@fcwilt A cheaper, mechanical way of doing things
https://www.bigbrain3d.com/product/retractable-purge-mechanism/

That is rather neat.

Frederick

[fcwilt]

Well I finished the first experimental setup and it is working, although with a limitation I believe is related to the 12 volt power supplies I used on this printer.

I will make a quick video Wednesday and post a link to it here.

Frederick

[fcwilt]

@fcwilt

Hi,

Here is a link to a quick-and-dirty video showing the mini linear guide at work.

Mini Linear Guide At Work

It was hard to get a good view - sorry.

Frederick