IPvFletch wrote:I began to mount my Z-axis lead screws and noticed the same wobble. The screws are warped from the factory apparently. One is really bad, the other is not so bad. I don't think I can fix it w/out damaging any of the the threads. I know of some other ORD folks already who have swapped in flex couplers. I think I will procure some myself now..
bdring wrote:The original design had flex couplers, but all the experts talked me into solid onesFlex couplers are easy to buy off eBay.
Sometimes when using set screws on threaded rod, the rod can tip a little in the coupler. Try rotating the coupler a little and resetting the rod. It may or may not help. Also make sure the motor and threaded rod are not touching too.
The rods came from McMaster, I just cut them to length. They don't have many length options for metric threaded rods.
bdring wrote:The original design had flex couplers, but all the experts talked me into solid onesFlex couplers are easy to buy off eBay.
Sometimes when using set screws on threaded rod, the rod can tip a little in the coupler. Try rotating the coupler a little and resetting the rod. It may or may not help. Also make sure the motor and threaded rod are not touching too.
The rods came from McMaster, I just cut them to length. They don't have many length options for metric threaded rods.
crispyfry wrote:You can probably get your printer working well enough to print a set of these (http://www.thingiverse.com/thing:9622). If you read the instructions and use a piece of soft hose like you're supposed to they work far, far better than you'd expect. It's a very simple print that should still function as intended even with lots of z wobble.
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