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4" dust collection fittings — zdjęcie 1
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4" dust collection fittings

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Magnetically connected adaptors for 4" dust collection system used for joining 2 ends of pipe, or pie to a machine

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Źródło
Printables
Licencja
Creative Commons — Attribution — Noncommercial

Was having a problem finding ways to simplify connecting my 4" system to the aluminum gates with the pneumatic actuators.  the hose fittings never held tight, and the abs adaptors felt like they were going to slip off unless they had a heavy bead of silicone to hold them on.    

Also, having an issue with my table saw, and having to take the pipe fittings apart to clean out any stick / sawdust clogs that happened at the dust port on the saw.   These fittings are designed as both male and female connectors to be mixed and matched as 1 needs.   They use 2 8 mm rare earth magnet in each hole, aligned to increase the magnetism.   Careful:   don't have your finger or skin close to the fittings when they come together, you will end up with blood blisters from the pinch.

The ring on the adjustable fitting is designed to spin on the fitting, and will self align so long as you have the all magnets aligned with opposite polarity.   The ring is designed to print separately, and slip over the receiving adaptor after both are printed.   Be sure to have your filament calibrated for flow and PA as tolerances are tight.

All parts designed to be printed without slicer supports, and printed as represented in the .stl.   for horizontal overhang's there are modeled in supports designed with 0.2mm clearance to the functional parts.   To remove the supports, simply wait until the part is cooled, insert a small screwdriver in a pre-designed slot, and start popping them loose.

Best if printed in PETG, although PLA will work, but tolerances may need to be accounted for.   Tested in PLA, PETG, PETG-CF and ASA.   for most ASA, shrinkage should be set to 99.5 for best fit.

each magnetic connector uses 16- 8x3mm rare earth magnets.   https://www.amazon.com/gp/product/B097HCT436

Easiest to stack the magnets in a row, push 1 into the hole, stack a 2nd, push it into the hole so holds, then take a large plier and squeeze them all the way flush.    If you need to replace a magnet, the hole in the back of the part will let you push them out with a screwdriver.

  • Yellow → machine and pipe to pipe connectors
  • Red →parts are for connecting to aluminum blast gates
  • Black →  removable support material to ease printing

 

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