Am I missing a part? (Rep 2)

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Am I missing a part? (Rep 2) Ryan Gerrish 12/22/12 6:37 PM
While greasing my Z-axis threaded rod, I noticed there is no support bushing or bearing at the top- I can move the rod side to side. Is this normal, or is there a piece missing? It seems like there should be something in there!


Re: [MakerBot] Am I missing a part? (Rep 2) Andrew Plumb 12/22/12 7:06 PM
Yes that's normal.  Only the smooth rods need to be anchored on both ends.  The threaded rod runs unconstrained so it doesn't bind for any reason, which was a *huge* problem with the old Cupcake design.

Andrew.

On 2012-12-22, at 9:37 PM, Ryan Gerrish wrote:

While greasing my Z-axis threaded rod, I noticed there is no support bushing or bearing at the top- I can move the rod side to side. Is this normal, or is there a piece missing? It seems like there should be something in there!



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Re: [MakerBot] Am I missing a part? (Rep 2) Wingcommander 12/22/12 11:38 PM
Thanks for explaining this Andrew, I had wondered as much.