Re: [Emc-users] Harmonic drive, rubber flex ring

2021-03-01 Thread Chris Albertson
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

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-03-01 Thread Sam Sokolik
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

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-03-01 Thread Jon Elson
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

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-03-01 Thread andrew beck
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

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-02-23 Thread Sam Sokolik
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] > >

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-02-22 Thread John Dammeyer
> 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

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-02-22 Thread Sam Sokolik
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

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-02-22 Thread andrew beck
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]

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-02-22 Thread John Dammeyer
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

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-02-22 Thread Sam Sokolik
__ > > 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

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-02-22 Thread Chris Albertson
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

Re: [Emc-users] Harmonic drive, rubber flex ring

2021-02-22 Thread Ralph Stirling
) 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

[Emc-users] Harmonic drive, rubber flex ring

2021-02-22 Thread Chris Albertson
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