mber-01-21 4:10 PM
> To: emc-users@lists.sourceforge.net<mailto:emc-users@lists.sourceforge.net>
> Subject: Re: [Emc-users] Harmonic Drive
>
> On Wed, 1 Dec, 2021 at 6:55 PM, John Dammeyer
> mailto:jo...@autoartisans.com>> wrote:
>
>
> To: 'enhanced machine c
by the original author.
John
> -Original Message-
> From: Gene Heskett [mailto:ghesk...@shentel.net]
> Sent: December-01-21 4:10 PM
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] Harmonic Drive
>
> On Wed, 1 Dec, 2021 at 6:55 PM,
On Wed, 1 Dec, 2021 at 6:55 PM, John Dammeyer wrote:
To: 'enhanced machine controller (emc)'
Here's one of the things I would change on this project.
www.autoartisans.com/harmonicdrive/HarmonicDrive-10.jpg
404 here
The cavity is for the same sort of 16mm bearing with either a 6mm or 6.35mm
Here's one of the things I would change on this project.
www.autoartisans.com/harmonicdrive/HarmonicDrive-10.jpg
The cavity is for the same sort of 16mm bearing with either a 6mm or 6.35mm
hole. Instead of 4 nuts a nut plate a 10mm hole. A rod attached to the wave
generator disk slips into
nal Message-
> From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> Sent: December-01-21 2:59 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> If it is too much work, ask me and I will re-export the entire model from
> Fusion3
>John
Take care and stay well John
> -Original Message-
> From: Chris Albertson
> [mailto:albertson.ch...@gmail.com<mailto:albertson.ch...@gmail.com>]
> Sent: December-01-21 1:18 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-user
> John
>
>
> > -Original Message-
> > From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> > Sent: December-01-21 1:18 PM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] Harmonic Drive
> >
> > Thanks for the
t parts built with Alibre have but at least it's editable and
some of the very poor features of the design can be changed.
John
> -Original Message-
> From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> Sent: December-01-21 1:18 PM
> To: Enhanced Machine Controller (EMC)
How odd. All I got on that step file link was 404 not found. Sent from my
Samsung S10
Original message From: Chris Albertson
Date: 2021-12-01 1:22 p.m. (GMT-08:00) To:
"Enhanced Machine Controller (EMC)" Subject:
Re: [Emc-users] Harmonic Drive Thanks for the li
the wave generator disk to the centerline of the drive
> > bearing. This would likely also clean up any wobble from thin printed
> > plastic.
> >
> > John
> >
> >
> >
> > > -Original Message-
> > > From: Chris Albertson [mailto:albertson.ch...@gma
>
>
> > -Original Message-
> > From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> > Sent: December-01-21 9:13 AM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] Harmonic Drive
> >
> > John,
> >
> > Looks like
ertson [mailto:albertson.ch...@gmail.com]
> Sent: December-01-21 9:13 AM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> John,
>
> Looks like I'm finding this thread late. Where are the design files for
> this harmonic drive?
>
> O
John,
Looks like I'm finding this thread late. Where are the design files for
this harmonic drive?
On Tue, Nov 30, 2021 at 11:22 PM John Dammeyer
wrote:
> I've added a photo.
> www.autoartisans.com/harmonicdrive/HarmonicDrive-8.jpg
>
> The new wave generator pieces puts the bearings 1mm
ilto:jo...@autoartisans.com]
> > Sent: November-30-21 1:41 PM
> > To: 'Enhanced Machine Controller (EMC)'
> > Subject: Re: [Emc-users] Harmonic Drive
> >
> > Here's a link to the photos.
> > Two views of all the parts not including the bearing arm.
> > www.au
>
> > -Original Message-
> > From: John Dammeyer [mailto:jo...@autoartisans.com]
> > Sent: November-30-21 1:07 PM
> > To: 'Enhanced Machine Controller (EMC)'
> > Subject: Re: [Emc-users] Harmonic Drive
> >
> > So nothing as complicated as:
>
>> > To: Enhanced Machine Controller (EMC)
>> > Subject: Re: [Emc-users] Harmonic Drive
>> >
>> > The meshing of the harmonic drive splines slide in and out... not like
>> > involute gears that rotate though with point pressure (not slidin
Said in so many less words than I used...
> -Original Message-
> From: Sam Sokolik [mailto:samco...@gmail.com]
> Sent: November-30-21 5:38 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> The meshing of the harmonic drive spl
troller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> Isn't the purpose of an involute surface the minimization of sliding two
> surfaces? I would think an attempt would be made in the harmonic mesh.
>
> On Wed, Dec 1, 2021 at 12:09 AM andy pugh wrote:
>
> &g
The meshing of the harmonic drive splines slide in and out... not like
involute gears that rotate though with point pressure (not sliding)
On Tue, Nov 30, 2021, 7:32 PM Stuart Stevenson wrote:
> Isn't the purpose of an involute surface the minimization of sliding two
> surfaces? I would
Isn't the purpose of an involute surface the minimization of sliding two
surfaces? I would think an attempt would be made in the harmonic mesh.
On Wed, Dec 1, 2021 at 12:09 AM andy pugh wrote:
> On Tue, 30 Nov 2021 at 23:07, Stuart Stevenson wrote:
>
> > Is the tooth shape an attempt to mesh
troller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> On Tue, 30 Nov 2021 at 23:07, Stuart Stevenson wrote:
>
> > Is the tooth shape an attempt to mesh in an involute fashion?
>
> No, because the motion of the teeth relative to each other is very
> muc
On Tue, 30 Nov 2021 at 23:07, Stuart Stevenson wrote:
> Is the tooth shape an attempt to mesh in an involute fashion?
No, because the motion of the teeth relative to each other is very
much unlike meshing gears, and so involute is inappropriate.
--
atp
"A motorcycle is a bicycle with a
Andy,
Is the tooth shape an attempt to mesh in an involute fashion?
thanks
Stuart
On Tue, Nov 30, 2021 at 3:26 PM andy pugh wrote:
> On Tue, 30 Nov 2021 at 20:30, John Dammeyer
> wrote:
> >
> > I want to look at the tooth shape.
>
> This is a micrograph of the flexspline of my broken HD
some photos I'd love to see them.
John
> -Original Message-
> From: Gene Heskett [mailto:ghesk...@shentel.net]
> Sent: November-30-21 1:31 PM
> To: Emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] [emc-users] Harmonic Drive
>
> Hi John;
>
>
> I des
> From: andy pugh [mailto:bodge...@gmail.com]
>
> On Tue, 30 Nov 2021 at 21:43, John Dammeyer wrote:
>
> > Do you have a similar sized micrograph of the mating profile?
>
> Sorry, no, that's a lot harder to photograph.
Maybe that's the secret part that makes them work so well? The photo
On Tue, 30 Nov 2021 at 21:43, John Dammeyer wrote:
> Do you have a similar sized micrograph of the mating profile?
Sorry, no, that's a lot harder to photograph.
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses,
a lot thicker as it moves
> under load which shows up in the original authors video
> too.
>
> I'll put together a folder with the photos.
>
> John
>
>
> > -Original Message-
> > From: Sam Sokolik [mailto:samco...@gmail.com]
> > Sent: November-30-21
See below.
> -Original Message-
> From: andy pugh [mailto:bodge...@gmail.com]
> Sent: November-30-21 1:23 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> On Tue, 30 Nov 2021 at 20:30, John Dammeyer wrote:
> >
>
e Controller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> This is the profile I am currently using...
>
> http://electronicsam.com/images/greenmachine/IMG_20210127_104354.jpg
>
>
> On Tue, Nov 30, 2021, 3:10 PM John Dammeyer wrote:
>
> > So nothing as com
Hi John;
I designed and built, from petg, the loose belt version based on Sam idea but
quite a bit smaller. I can drive it with a 1NM 3 phase motor which has an 8mm
d-flatted shaft after grinding the dflat quite a bit wider. No metal in the
hub, its just a press fit on the motor shaft.
On Tue, 30 Nov 2021 at 20:30, John Dammeyer wrote:
>
> I want to look at the tooth shape.
This is a micrograph of the flexspline of my broken HD drive.
https://photos.app.goo.gl/mmJdebQD1QY538xY6
This part of their web site makes a thing about the "S" shape of the
teeth, and has a little
Message-
> > From: Sam Sokolik [mailto:samco...@gmail.com]
> > Sent: November-30-21 12:46 PM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] Harmonic Drive
> >
> > I will post them later tonight.. To be honest - I took a video of the
> -Original Message-
> From: Sam Sokolik [mailto:samco...@gmail.com]
> Sent: November-30-21 12:46 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> I will post them later tonight.. To be honest - I took a video of the one
> of
o look at the
> tooth shape.
> Thanks
> John
>
>
> > -Original Message-
> > From: Sam Sokolik [mailto:samco...@gmail.com]
> > Sent: November-27-21 8:18 PM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] Harmonic Drive
> >
Hi Sam,
Could you share the STEP file for the flex gear? I want to look at the tooth
shape.
Thanks
John
> -Original Message-
> From: Sam Sokolik [mailto:samco...@gmail.com]
> Sent: November-27-21 8:18 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users]
On Mon, 29 Nov 2021 at 10:02, John Dammeyer wrote:
> From my perspective most of the bearings in the cup based are effectively
> useless
I think that the commercial design (with a single oval bearing)
probably controls the shape of the cup better, for an overall stiffer
result. It feels a bit
Thanks Andy,
I'll look into that.
I have another question. From that document on the cup based harmonic drive
the designer created the ellipse shaped holder for the bearings.
OTOH, the one Sam built uses two diametrically opposed larger bearings.
>From my perspective most of the
> On 28 Nov 2021, at 04:44, John Dammeyer wrote:
>
> And look at creating the flex part from steel since I have gear cutters and
> an arbor.
The ideal profile is not an involute. There is a sketch of it somewhere in the
HD website.
___
point
socket arrives.
John
> -Original Message-
> From: Sam Sokolik [mailto:samco...@gmail.com]
> Sent: November-27-21 8:18 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> I found that a while ago - That was what I initi
son.ch...@gmail.com]
> Sent: November-27-21 8:34 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Harmonic Drive
>
> That article is one of the best descriptions of a harmonic drive.But
> the problem is that 3D printed plastic is not strong enough to make a
>
d worked the best?
> >
> > Thanks
> > John
> >
> > > -Original Message-
> > > From: John Dammeyer [mailto:jo...@autoartisans.com]
> > > Sent: November-26-21 11:18 PM
> > > To: Enhanced Machine Controller (EMC)
> > > Subjec
mber-26-21 11:18 PM
> > To: Enhanced Machine Controller (EMC)
> > Subject: [Emc-users] Harmonic Drive
> >
> > List has been quiet lately on the harmonic drive subject. I stumbled on
> this site.
> >
> >
> https://howtomechatronics.com/how-it
u find worked the best?
>
> Thanks
> John
>
> > -Original Message-
> > From: John Dammeyer [mailto:jo...@autoartisans.com]
> > Sent: November-26-21 11:18 PM
> > To: Enhanced Machine Controller (EMC)
> > Subject: [Emc-users] Harmonic Drive
> >
; Subject: [Emc-users] Harmonic Drive
>
> List has been quiet lately on the harmonic drive subject. I stumbled on this
> site.
>
> https://howtomechatronics.com/how-it-works/what-is-strain-wave-gear-harmonic-drive-a-perfect-gear-set-for-robo
List has been quiet lately on the harmonic drive subject. I stumbled on this
site.
https://howtomechatronics.com/how-it-works/what-is-strain-wave-gear-harmonic-drive-a-perfect-gear-set-for-robotics-applications
John
___
Emc-users mailing list
Normal spur gears will do this too if the tooth shape is wrong. To get the
tooth shape correct you either have to understand some math or copy a
correctly designed gear. It could be that the designer got the shape of
the cycloid gear wrong. If so you can't use his STL files even if your
Small update...
https://youtu.be/LoxpqbGFl2g
On Mon, Mar 1, 2021, 10:56 AM Jon Elson wrote:
> On 03/01/2021 04:11 AM, andrew beck wrote:
> > This may interest people wanting to make 4th axis stuff
> >
> > https://youtu.be/-065J34xC5o
> >
> The output disc seems to be rotating in a jerky
On 03/01/2021 04:11 AM, andrew beck wrote:
This may interest people wanting to make 4th axis stuff
https://youtu.be/-065J34xC5o
The output disc seems to be rotating in a jerky manner.
This could be a video compression artifact, or related to
precision of the parts.
Jon
This may interest people wanting to make 4th axis stuff
https://youtu.be/-065J34xC5o
On Wed, 24 Feb 2021, 01:47 Sam Sokolik, wrote:
> I think it is mainly that the 3d printed parts are not perfect.. I squared
> the printer - but it still isn't 100%. I think they will be good enough
> for
I think it is mainly that the 3d printed parts are not perfect.. I squared
the printer - but it still isn't 100%. I think they will be good enough
for this experiment though.
On Tue, Feb 23, 2021, 1:44 AM John Dammeyer wrote:
> > From: Sam Sokolik [mailto:samco...@gmail.com]
> >
> From: Sam Sokolik [mailto:samco...@gmail.com]
> https://youtu.be/VK4zgFTD2SA
>
Nice so far!
You mentioned the belt rides up and it looked like it did in one direction and
then down in the other.
Do you think that's because the center pivot isn't well supported until you
install the pilot
al Message-
> > > From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> > > Sent: February-22-21 11:15 AM
> > > To: Enhanced Machine Controller (EMC)
> > > Subject: Re: [Emc-users] Harmonic drive, rubber flex ring
> > >
> > > The Youtuber
ger scale one with harmonic drive joints would be fun.
> John
>
> > -Original Message-
> > From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> > Sent: February-22-21 11:15 AM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users]
ive joints would be fun.
John
> -Original Message-
> From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> Sent: February-22-21 11:15 AM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Harmonic drive, rubber flex ring
>
> The Youtuber is just
__
> > From: Chris Albertson [albertson.ch...@gmail.com]
> > Sent: Monday, February 22, 2021 10:17 AM
> > To: Enhanced Machine Controller (EMC)
> > Subject: [Emc-users] Harmonic drive, rubber flex ring
> >
> > CAUTION: This email originated from outside the Wall
21 10:17 AM
> To: Enhanced Machine Controller (EMC)
> Subject: [Emc-users] Harmonic drive, rubber flex ring
>
> CAUTION: This email originated from outside the Walla Walla University
> email system.
>
>
> To add one more idea to the long-running conversation of how to build
)
Subject: [Emc-users] Harmonic drive, rubber flex ring
CAUTION: This email originated from outside the Walla Walla University email
system.
To add one more idea to the long-running conversation of how to build a
harmonic reduction drive. Here is a working prototype that looks like the
flex-cup
To add one more idea to the long-running conversation of how to build a
harmonic reduction drive. Here is a working prototype that looks like the
flex-cup solution is solved. This could work for many years. But the
video shows only the idea and a prototype. I would not make this one but
Hi Curtis,
I found this on the net
https://www.dropbox.com/s/7fobhnnc20htjvo/HA-600%20Series.pdf?dl=0
Always liked their actuators but never had a chance to test one.
Cheers,
Andrew
2015-07-25 1:22 GMT+03:00 Curtis Dutton curtd...@gmail.com:
I recently acquired an HA-600-2 servo driver as
Thank you very much. The actuators seem pretty cool. I'll pipe back up once
I get some experience with it.
On Sat, Jul 25, 2015 at 6:26 AM, Andrew pkm...@gmail.com wrote:
Hi Curtis,
I found this on the net
https://www.dropbox.com/s/7fobhnnc20htjvo/HA-600%20Series.pdf?dl=0
Always liked their
I recently acquired an HA-600-2 servo driver as well as a servo actuator
that accompanies it. The only trouble, it didn't come with any wires, and
no manual. I can't find it on the net and so far the HarmonicDrive people
haven't gotten back to me about my request.
Does anyone happen to have a pdf
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