Single leadscrew non-cantilevered bed: possible? February 20, 2019 04:15AM |
Registered: 6 years ago Posts: 23 |
Re: Single leadscrew non-cantilevered bed: possible? February 20, 2019 04:43AM |
Registered: 7 years ago Posts: 1,007 |
Re: Single leadscrew non-cantilevered bed: possible? February 20, 2019 05:11AM |
Registered: 6 years ago Posts: 23 |
Re: Single leadscrew non-cantilevered bed: possible? February 20, 2019 10:06AM |
Registered: 12 years ago Posts: 5,796 |
Re: Single leadscrew non-cantilevered bed: possible? February 20, 2019 10:51AM |
Registered: 6 years ago Posts: 23 |
Quote
the_digital_dentist
How would you make a noncantilevered bed using only one lead screw to lift it?
Using two lead screws on opposite sides of the bed would also be cantilevered, but the length of the cantilever would be shorter.
Re: Single leadscrew non-cantilevered bed: possible? February 20, 2019 11:33AM |
Registered: 12 years ago Posts: 5,796 |
Re: Single leadscrew non-cantilevered bed: possible? February 21, 2019 10:24AM |
Registered: 12 years ago Posts: 335 |
Quote
EgonVLC
Having a second thought, if I mount the motor centered under the bed, with the leadscrew "looking down", I could use just that one, but the printer height should accommodate that double z height... But it's not practical nor elegant, and I don't really know even if it would work.
Re: Single leadscrew non-cantilevered bed: possible? February 21, 2019 01:27PM |
Registered: 6 years ago Posts: 134 |
Re: Single leadscrew non-cantilevered bed: possible? February 21, 2019 04:37PM |
Registered: 12 years ago Posts: 5,796 |
Re: Single leadscrew non-cantilevered bed: possible? February 21, 2019 04:48PM |
Registered: 6 years ago Posts: 71 |
Re: Single leadscrew non-cantilevered bed: possible? February 22, 2019 12:35AM |
Registered: 12 years ago Posts: 5,796 |
Re: Single leadscrew non-cantilevered bed: possible? February 22, 2019 03:57PM |
Registered: 12 years ago Posts: 1,049 |
Re: Single leadscrew non-cantilevered bed: possible? February 22, 2019 05:49PM |
Registered: 12 years ago Posts: 5,796 |
Re: Single leadscrew non-cantilevered bed: possible? February 22, 2019 11:43PM |
Registered: 7 years ago Posts: 207 |
Quote
the_digital_dentist
It was a Sarrus linkage. It had same-size top and bottom plates with hinges on all 4 edges between the two plates. I don't know how the screw was arranged.
Re: Single leadscrew non-cantilevered bed: possible? February 23, 2019 01:13AM |
Registered: 12 years ago Posts: 5,796 |
Re: Single leadscrew non-cantilevered bed: possible? February 27, 2019 11:16AM |
Registered: 12 years ago Posts: 250 |
Re: Single leadscrew non-cantilevered bed: possible? February 27, 2019 11:39PM |
Registered: 9 years ago Posts: 1,671 |
Re: Single leadscrew non-cantilevered bed: possible? March 26, 2019 05:12PM |
Registered: 7 years ago Posts: 11 |
Quote
EgonVLC
...
Having a second thought, if I mount the motor centered under the bed, with the leadscrew "looking down", I could use just that one, but the printer height should acomodate that double z height... But it's not practical nor elegant, and I don't really know even if it would work.
Re: Single leadscrew non-cantilevered bed: possible? March 27, 2019 12:52AM |
Registered: 7 years ago Posts: 207 |
Quote
scoot
Quote
EgonVLC
...
Having a second thought, if I mount the motor centered under the bed, with the leadscrew "looking down", I could use just that one, but the printer height should acomodate that double z height... But it's not practical nor elegant, and I don't really know even if it would work.
I did this and it actually works pretty well. But you need to mount it on a tall stand or bore a hole in the top of your bench. It's mounted on a base w/ a hole & 100mm of leadscrew peeking out so II drilled a hole in my countertop. I made the piece with the Z nut so it was snug on the Z but could float to self locate on the X & Y . It's secured to the bottom of my plywood base w/ 3 large screws in oversize holes plus big washers.
You can see that the Z is working OK. I'm new at this and still working all the bugs out of my first design, but so far so good when running PLA.
Re: Single leadscrew non-cantilevered bed: possible? March 27, 2019 03:14AM |
Registered: 7 years ago Posts: 11 |