Re: Z-Axis design and advice
I am trying to keep the footprint of my cnc unit as small as possible, as I don't have a garage or big workshop to put it.
As for your feedback, are you thinking something more along the lines of this?
http://www.mad-professor.co.uk/Misc/...ric View 2.jpg
This was done quickly, and I know that I will have to adjust the spacing so that I am not covering over bolt holes etc.
Thanks again for your time.
Best Regards.
Re: Z-Axis design and advice
Yes thats it's regards bearings and rails thou you don't need to have the motor going up & down with the Z axis if you don't want.!
So long as your motor can handle the heavier weight then it will work ok but it can be done so the motor and screw stays on the Backplate reducing the amount of weight the motor as to move.
Does mean the back plate has to be the same or just longer length than the screw with a plate at the top for the motor to mount to. Depending on length Could also mean notching the front plate at the top to miss the motor/plate.? but like I say this depends on front plate length but if does need it then it's at the top which you don't use and will be minor and of very little detriment strength wise.!
Re: Z-Axis design and advice
Thanks for all your advice.
I now have another design.
http://www.mad-professor.co.uk/Misc/...ric View 5.jpg
What do we think about this one?
Thanks for your time.
Best Regards.
3 Attachment(s)
Re: Z-Axis design and advice
Quote:
Originally Posted by
Mad Professor
Thanks for all your advice.
I now have another design.
BINGO!!
If you want to push it a step further and increase it's versatilty thru gearing along with abilty to handle resonance better then think about using timing belts.? Thats how I build most of my Z axis.
Here's a few pics of the one built for micheal marrino's machine, Micheal designed it mostly for his machine with slight guidance from me.
Re: Z-Axis design and advice
Thanks again for your time and feedback.
I now hope for this to be my last design.
http://www.mad-professor.co.uk/Misc/...20View%206.jpg
I am using 752 Drivers, 3Nm stepper motors, and TR16x4 Leadscrews.
Best Regards.
Re: Z-Axis design and advice
Absolutely spot on that my friend. . :thumsup:
Re: Z-Axis design and advice
Quote:
Originally Posted by
JAZZCNC
Absolutely spot on that my friend. . :thumsup:
Yeah, sending the drawing and images of mine saved a lot of discussion.
Now to make it...
Re: Z-Axis design and advice
Quote:
Originally Posted by
Jonathan
Yeah, sending the drawing and images of mine saved a lot of discussion.
Now to make it...
Well stop bragging and get on with it then. .:playful:
Re: Z-Axis design and advice
Quote:
Originally Posted by
JAZZCNC
Well blow me down with a feather.
I missed this the first time round (hence resurrecting the thread!) but that's almost exactly the X/Z setup I wanted to use (as in pulleys, orientation of steppers etc) though with profile rail and a fixed gantry..
Was there a build thread on this? Any idea how it's been working out? Any design pitfalls to avoid?
Re: Z-Axis design and advice
Quote:
Originally Posted by
Mad Professor
Hello Mad Professor, thankyou for your email, can you post the dimensions of your z-axis please, as I would like to build one like you have.
With thanks
jamie