On Sunday 30 August 2020 06:16:13 Gene Heskett wrote:
> On Sunday 30 August 2020 03:22:07 Gene Heskett wrote:
> > On Sunday 30 August 2020 02:08:19 Chris Albertson wrote:
> > > It is hard to know what is happening without looking at the file
> > > but I think you would want to...
> > >
> > > infil
On Sunday 30 August 2020 03:22:07 Gene Heskett wrote:
> On Sunday 30 August 2020 02:08:19 Chris Albertson wrote:
> > It is hard to know what is happening without looking at the file but
> > I think you would want to...
> >
> > infill / Connect infill lines (turn this on)
> > Shell / Alternate extr
Infill overlap percentage.
https://support.ultimaker.com/hc/en-us/articles/360012607079-Infill-settings
On Saturday, August 29, 2020, 10:43:03 PM MDT, Gene Heskett
wrote:
On Sunday 30 August 2020 00:03:58 Chris Albertson wrote:
> Do the same as the printed timing pulleys. Make the
On Sunday 30 August 2020 02:08:19 Chris Albertson wrote:
> It is hard to know what is happening without looking at the file but I
> think you would want to...
>
> infill / Connect infill lines (turn this on)
> Shell / Alternate extra wall (turn this on)
They were both off. So I added a wall, turn
It is hard to know what is happening without looking at the file but I
think you would want to...
infill / Connect infill lines (turn this on)
Shell / Alternate extra wall (turn this on)
Doing this will certainly add more material
>
> But now I have a question for the cura 4.7.0 experts. The ins
On Sunday 30 August 2020 00:03:58 Chris Albertson wrote:
> Do the same as the printed timing pulleys. Make the center of the hub
> in steel and epoxy the steel to the plastic. You may need to bore out
> the plastic
>
Probably, and that will involve finding a better actual center than
currentlty
Do the same as the printed timing pulleys. Make the center of the hub in
steel and epoxy the steel to the plastic. You may need to bore out the
plastic
Next problem? Getting a decent grip on the motor shaft as its only a 5mm
> shaft. And PLA has proved its not sturdy enough in one bearing carrie
On Saturday 29 August 2020 13:51:45 andy pugh wrote:
> On Sat, 29 Aug 2020 at 18:32, Chris Albertson
wrote:
> > It computes flex based on applied force and will colormap
> > elongation.
>
> Yes, but in this case we want to apply a deformation at the flex gear
> and see what the stress is at the
On Sat, 29 Aug 2020 at 18:32, Chris Albertson wrote:
> It computes flex based on applied force and will colormap elongation.
Yes, but in this case we want to apply a deformation at the flex gear
and see what the stress is at the bottom.
There is a risk in making FEA as easy as Fusion does, it h
On Saturday 29 August 2020 11:38:30 Chris Albertson wrote:
> Andy,
>
> Did you run this through FEA Stress analysis?It only takes about
> 15 minutes and will tell you if the flexibility is evenly disturbed
> and maybe help locate a failure point.
>
> This is one of the neat features of Fusion
On Sat, 29 Aug 2020 at 16:41, Chris Albertson wrote:
> Did you run this through FEA Stress analysis?
I didn't.
But I don't think that the Fusion solver is suitable for the analysis.
The required analysis is what the stress would be for an applied
strain. That's not what the Fusion solver appears
SPAM ?
why was my post SPAM?
tomp
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Andy,
Did you run this through FEA Stress analysis?It only takes about 15
minutes and will tell you if the flexibility is evenly disturbed and maybe
help locate a failure point.
This is one of the neat features of Fusion 360 but unfortunately the system
assumes your material is uniform and pr
On Saturday 29 August 2020 06:37:05 andy pugh wrote:
> On Sat, 29 Aug 2020 at 05:35, Greg Bernard
wrote:
> > Have you considered having the flex gear part printed by one of the
> > 3d printing services in nylon?
>
> Alternatively, here is a redesign of the flex gear designed to be more
> complia
On Sat, 29 Aug 2020 at 05:35, Greg Bernard wrote:
> Have you considered having the flex gear part printed by one of the 3d
> printing services in nylon?
Alternatively, here is a redesign of the flex gear designed to be more
compliant (but with the extra walls of the spokes, maybe also
stronger)
On Friday 28 August 2020 21:53:50 Greg Bernard wrote:
> Have you considered having the flex gear part printed by one of the 3d
> printing services in nylon? You could then print all the other parts
> yourself to fit. Most of the services can give you a quote if you send
> a file.
I'm about 1mm fr
Have you considered having the flex gear part printed by one of the 3d
printing services in nylon? You could then print all the other parts
yourself to fit. Most of the services can give you a quote if you send a
file.
On Fri, Aug 28, 2020, 4:55 PM Gene Heskett wrote:
> On Friday 28 August 202
On Friday 28 August 2020 16:04:11 Chris Albertson wrote:
> Gene,
>
> I thought you had the STEP file for this. If you did not download
> it, I did and you can have my copy of it here
> https://a360.co/2EHlpMr
>
I do have it, but opening it with the latest freecad, does not get me
down into it t
Gene,
I thought you had the STEP file for this. If you did not download it, I
did and you can have my copy of it here
https://a360.co/2EHlpMr
I've been reading about printable harmonic drives and the best idea I found
is to use a stainless steel drinking cup as the flex cup (after cutting off
t
On Friday 28 August 2020 12:36:07 Todd Zuercher wrote:
> If you think about it the metal toothed cups used in harmonic drives,
> have to flex in a rather nasty way (it is a little more than just
> squeezing the mouth into an oval). I'm surprised they last as long as
> they do. I'm not surprised y
If you think about it the metal toothed cups used in harmonic drives, have to
flex in a rather nasty way (it is a little more than just squeezing the mouth
into an oval). I'm surprised they last as long as they do.
I'm not surprised you are having cracking problems with the pla. What is the
di
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