Hephestos Idler Pulley
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Idler pulley for BQ Prusa i3 Hephestos’s X- and Y-axis belts.
- Ocena
- 0 / 5
- Polubienia
- 5
- Pobrania
- 91
- Wydruki
- 0
- Wyświetlenia
- 525
- Oceny
- 0
Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Other Printer Parts & Upgrades
- Licencja
- Creative Commons — Attribution
Idler pulley (containing a B623ZZ bearing), for BQ Prusa i3 Hephestos’s X- and Y-axis belts (6 mm GT2).
I find that this remix of juanjaem’s Support for B623ZZ (BQ Prusa I3 Hephestos) fits better (when printed on my Hephestos).
I think juanjaem’s design is much better than BQ’s original which, after several hundred hours’ use on my Hephestos, cracked, loosening its grip on the bearing so that the two halves would move apart and grind loudly against the stationary enclosure.
I used RS PRO Yellow PLA, which matched the original parts well.
Print settings
Layer height: 0.08 mm [to cope with the demanding overhang]
Line width: 0.31 mm [to fit an even number of equal-width lines into the thinnest part, to keep the flow constant and avoid underextrusion on the outer wall]
Top/bottom line width: 0.328 mm [for the smallest gaps in the fewest layers]
Wall line count: 2
Outer before inner walls: no [for the overhang]
Z-seam alignment: Random [to avoid a seam, which would stretch the belt very slightly more when engaged and causing a (possibly imperceptible) pattern on prints]
Bottom layers: 999
Top/bottom pattern: Concentric
Combing mode: All [to avoid travels across the hole which might leave threads which could possibly find their way into the bearing]
Supports: none
How I designed this
In Tinkercad. Edit it online.
This remix is based on
