Re: [Emc-users] losing encoder counts

2022-10-06 Thread gene heskett
On 10/6/22 15:06, John Figie wrote: A colleague once told me that the harder a bug is to find then the easier it is to fix. I think there is a lot of truth to that. John Figie That is a given John. When a bug is hard to find, you start paying attention to every byte, and become one with the

Re: [Emc-users] losing encoder counts

2022-10-06 Thread John Figie
A colleague once told me that the harder a bug is to find then the easier it is to fix. I think there is a lot of truth to that. John Figie On Thu, Oct 6, 2022 at 12:44 PM Thaddeus Waldner wrote: > > The solution to hard problems are always in the peripheral vision. > > > > On Oct 6, 2022, at

Re: [Emc-users] losing encoder counts

2022-10-06 Thread Thaddeus Waldner
The solution to hard problems are always in the peripheral vision. > On Oct 6, 2022, at 12:20 PM, gene heskett wrote: > > On 10/5/22 22:56, Jon Elson wrote: >> Wow, it gets deeper! >> >> It is NOT the encoder, or anything in the encoder-reading process. >> >> I marked the motor shaft, and

Re: [Emc-users] losing encoder counts

2022-10-06 Thread gene heskett
On 10/5/22 22:56, Jon Elson wrote: Wow, it gets deeper! It is NOT the encoder, or anything in the encoder-reading process. I marked the motor shaft, and the motor is returning to the exact same position every cycle. Well, I tried a different indicator and mount, and the problem was in the

Re: [Emc-users] losing encoder counts

2022-10-06 Thread dave engvall
This make a good case for dual independent encoders. motor shaft/ballscrew, ballscrew/glass scale, steps/glass scale, etc. Just for grins I tried the hand crank on my well used (Boeing then trade school, the auction) defunct tracer mill converter by a Russian engineer to cnc for the trade