I did have it in mind, but I decided to put on two motors to eliminate any raking problems in the future. You can certainly just use one motor, but if you want to make "agressive" cuts, then it's a good idea. It all depends on the width of the gantry, stifness on the axial bearings and how far they are apart and the cutting forces.
I also thought about using a belt to connect the two lead screws, but then I had to make them longer and the design at that point didn´t really allow it. Another thing is that I can remove the whole table and mill stock that's higher than would normally fit underneath the table.
The X-axis has a drive for each motor and they are connected to the same output on the BOB. It seems to work fine and everytime I start up the machine, I just push the gantry up against two manual stops at each end of the sides, to be sure that the gantry fully aligned. Of cause there can be missed steps, but so far I haven't been able to count them. Only one time I had a misalignment problem, but that was because of a loose wire connection.
This seems like a very smooth design. I need to build something like this, and have talked to a machinist. I am an electrical engineer myself, so have no idea how the structure will be made or would work. The machinist guy needs cad drawings, if you have them and are willing to share, would it be possible for you email them to me, ata.ul.aziz@gmail.com.
I actually don't have any drawings, just the 3d parts which I put together to make this rendering. I have finished building my router, but I changed the design and used u-beams for the whole base.
I would advise you to consider what size router you want and what material it should be able to machine. If you know this, I might give you some idea where to start.
very nice work ,
if you had used 1 motor instead 2 motors for x axis why hadn't be fine?
thanx in advance
pufarinu 5 months ago
@pufarinu
Hi Pufarino
I did have it in mind, but I decided to put on two motors to eliminate any raking problems in the future. You can certainly just use one motor, but if you want to make "agressive" cuts, then it's a good idea. It all depends on the width of the gantry, stifness on the axial bearings and how far they are apart and the cutting forces.
Nhyf 5 months ago
@pufarinu
I also thought about using a belt to connect the two lead screws, but then I had to make them longer and the design at that point didn´t really allow it. Another thing is that I can remove the whole table and mill stock that's higher than would normally fit underneath the table.
Nhyf 5 months ago
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sherieefshamma 8 months ago
I dont know,
2 motors for the X axis???
They must be sinchronized.
You should need a special drive for that.
Une step that one motor looses, and you will be into troubles.
CxC2007 1 year ago
@CxC2007
The X-axis has a drive for each motor and they are connected to the same output on the BOB. It seems to work fine and everytime I start up the machine, I just push the gantry up against two manual stops at each end of the sides, to be sure that the gantry fully aligned. Of cause there can be missed steps, but so far I haven't been able to count them. Only one time I had a misalignment problem, but that was because of a loose wire connection.
Nhyf 1 year ago
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What are the measures that are based in this animated? (XYZ in milimeters) thanks.
slobato 1 year ago
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Hey nice CNC Router!
If anyone here interested there is a DVD available with build plans for a really nice CNC Router and milling machine! Check it out below!
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SashaBlack 1 year ago
Hi Nhyf,
This seems like a very smooth design. I need to build something like this, and have talked to a machinist. I am an electrical engineer myself, so have no idea how the structure will be made or would work. The machinist guy needs cad drawings, if you have them and are willing to share, would it be possible for you email them to me, ata.ul.aziz@gmail.com.
zee10101 1 year ago
@zee10101
Hi
I actually don't have any drawings, just the 3d parts which I put together to make this rendering. I have finished building my router, but I changed the design and used u-beams for the whole base.
I would advise you to consider what size router you want and what material it should be able to machine. If you know this, I might give you some idea where to start.
Brian
Nhyf 1 year ago
Looks nice and solid - nice job :)
adisharr 1 year ago
Nice!!!!
diyengineer 1 year ago
@diyengineer
Thanks :-) I'm almost finished building my router, but the design have been changed a bit.
Nhyf 1 year ago