Hi folks, and @Onefinity there was a pretty heated topic a few weeks ago about a “bad” X assembly. The user claimed it wasn’t right, and when Onefinity sent him a new one, he again said that one wasn’t right either. 1F refunded him for the machine, but the videos remain up on YouTube. I wanted to …

Thanks for sharing! Correct. Its just the sound of recirulating bearings. Perfectly normal on the Gen 2 machines as they have much larger bearings, and larger ball bearings inside bearing channel.

I just wanted something for people to see that was more objective.

I’m pretty sure the needed free movement of these bearings is the rational behind using low viscosity lubricant rather than packing with grease. That would especially be true were they to be used in metal working environments. Just my two cents or nickles as it is today.

@Onefinity …The oil that was in my machine pack says NOT for ball nuts. What are we supposed to use on the ball nuts? I’m assuming some sort of NGL2 grease?

Thank you very much for this video. How are your cuts going?

Sounds crazy, but have only been able to run the laser so far. The only time I usually get is at night and I have to be somewhat quiet. Haven’t been able to cut slats for the spoil board yet. Did a little raster burn last night. Turned out ok but still very fun! Its only about 2" x 3" on scrap 2…

To answer my own question. I emailed @OnefinityCNC and they sent me a link to the grease they recommend for the ball nuts and ball screws. For the linear bearings and shafts they want 3 in 1 but the ball nuts they want: [image] McMaster-Carr McMaster-Carr is the complete source for your…

Any word on how it would be applied to the ball nuts and screws?

Gen 2 Bearing Noise

Gen 2 Elite Series

wadreamin (jim) April 8, 2026, 1:28am 9

I have exactly the same noise and conclusion and I too think there is nothing wrong.

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Gen 2 Bearing Noise

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