NordicCNC's build log

[BobTSkutter]

Hello, I like the way you're showing how your design is evolving, it's great for other people to learn from.

I notice your servo mounts for the x axis (long axis) are separate pieces. Could they be combined into the aluminium end plate you're using to hold the profiles into a 90degree corner?

Regards
Bob

[NordicCnc]

Hello, I like the way you're showing how your design is evolving, it's great for other people to learn from.

I notice your servo mounts for the x axis (long axis) are separate pieces. Could they be combined into the aluminium end plate you're using to hold the profiles into a 90degree corner?

Regards
Bob

Hello,

Thanks for your feedback! I am glad that you appreciate it.

About the servo motor mounts (the long axis is the Y-axis in my case). The servo motor mounts and the BK15/BF15 bearing spacers are exactly the same as the ones used in the X-axis (gantry). The goal here is to have as few different parts as possible (commonality and re-usability).

Yes, it would surely be possible to have the motor mounts integrated into the end plates. The design of the BK15 bearing plate would perhaps need to look a bit different and. The servo motor axis length and the end plate thickness are the constraints. Machining is needed in the servo motor mounts in order for the motor axis to align with the ball screw (the F-length can be machined longer but the motor axis length can't be changed) and also allow for timing pulley mounting. Too thick end plates or too shallow motor mount machining, will make the motor axis length to short for mounting any kind of pulley. I also like to have the motor mount bracket separated from the machine. This way I can design new brackets later if I want to change the servo motors for some reason, without tearing down the machine itself and then having to realign the axis/ball screw.

Good point anyway and I like your idea. I will have to check the feasibility of this!

[JAZZCNC]

If you are bolting into the 80x80 ends through the 160 sides then I wouldn't waste the aluminum on those endplates because they offer very little to the stiffness, There are no forces involved in those areas so they are more cosmetic than structural.!