Printed plastic expanding mandrel to hold the part from the inside:
Around .005" TIR on the as-printed surface after clamping from the ID. Not too bad. This all gest machined away anyways.
Checking the lock ring fit after machining the threads:
Rotor bearing and lock-ring test fit:
Sneak peek of what's coming:
Creative use of 3d printing in fixturing! ABS? The matte finish on the machined parts makes me think they might be 3d metal printed... or perhaps casted?
ReplyDeleteYeah, metal printed in AlSi10Mg aluminum. I printed the fixture in petg with very very thick walls
DeleteThank you for these nice pictures and gifs! I see now the lock ring just screws on. The many holes are not for locking the screwed ring, but only for screwing it in tight (and weight saving)? All locking very good ;). Beefy transmission.
ReplyDeleteWhat's the planetary set from? 😊
ReplyDelete