Aluminium profile cnc build

[Clive S]

I Dont have any parts bought yet, except i have high indtuctance stepper motor from my previous build and tb6550 drivers with BOB which i am not sure if to use them.

You would cripple the machine if you used them. Have a look for AM882 drives and nema 23 motors from Zapp or CNC4you.

Re the screws you will probably requite the F dimension to be about 30mm it doesn't cost much more to do it right.

[valdis034]

I changed ballscrews shaft to 30mm in it is sticking out a bit. And I saw quite a lot people are making it from 15mm to 30mm. It is not a standard? They can do any dimension i like or not?
And how about motor shaft? I could cut out a bit depper in the bracket but it will start to loose its strenght, isnt it? At the moment i am using 10mm plate and motor is 5mm in it. Do i need to go deeper?

How deep it is:

[Clive S]

I changed ballscrews shaft to 30mm in it is sticking out a bit. And I saw quite a lot people are making it from 15mm to 30mm. It is not a standard? They can do any dimension i like or not?
And how about motor shaft? I could cut out a bit depper in the bracket but it will start to loose its strenght, isnt it? At the moment i am using 10mm plate and motor is 5mm in it. Do i need to go deeper?

How deep it is:

The conventional way is like this so the the motor will stick through. The motor shafts are normally OK. 2-3mm is OK

[valdis034]

I opened the bracket the same like you showed me, but i still have 8mm left. I checked motors dimensions and pulleys dimensions all seems ok. Where that difference could come from? Maybe you are using different pulley?

[Clive S]

I opened the bracket the same like you showed me, but i still have 8mm left. I checked motors dimensions and pulleys dimensions all seems ok. Where that difference could come from? Maybe you are using different pulley?

The shaft on a nema 23 from Cnc4you is about 22.5mm long.