Aluminium profile cnc build

[valdis034]

Hello. Its been a while after my last post, but things kept moving a bit. Since that got aluminium plates, simple ones drilled and and tapped myself , more crucial parts like gantry sides, z axis plates, motor mounts will be machined by our guru JAZZ.


Then built a bench for machine to sit on and started to lay the frame profiles after drilling holes for profile fixings i put them together and here is my base of the machine

After that folowed rails, cariages, plates, ballscrews, pulleys


when i was assembling bearing blocks when i put together bk bearing i have a gap between lock nut and pulley which i did not see anywhere in peoples threads, and i am thinking maybe i assembled them wrong ? everything is tight and there no play

Other weird thing is that i could not put all six screws through balscrew nut into its housing, holes doesnt align poperly. Once i put one screw i could not put second one because it just doesnt catch the thread. I have only one ballnut which took all 6 screws with no problems. And i thought that is not a big deal i will just open the holes a bit more, but i couldnt do that because the metal is very very hard. Then i noticed that the "Good" ballnut has tapped hole in it. it must be oiling point, all other ballnuts doesnt have it. Any one had issues like that? I probably would need to contact Fred to see what he will say about it, I bought all components from him. Thats how it looks for today Thank you for your attention! :)