Aliexpress has lots of choices for low cost AC servo kits. Also gear reducers. Got one (750W) months ago for evaluation, seems quite well made. Thanks for another DIY industrial automation fix, cool project.
For those steppers with a 5:1 reducer, if I've done the math right, you will need a 75mm root circle diameter on your spur gear to hit 70M/min, it looks like that's going to be a 50 tooth spur gear at module 1.5
@@robbroomfield468 i went nema 34 8nm closed loops, 5 to 1 reduction and i think around 18 tooth pinion from memory on a 1.5mod rack and could push over 40 meters a minuite, great acceleration still, 70 will certainly be pushing them. but will be amazing to see a big gantry at those speeds. i only ran them on 60 volt though so could get more out of them yet i think.
I would suggest you to go with inovance servos. They are relatively cheap for a professional servos. I have a supplier that it selling those with a great price
Hey Rob you ordered the board and I’m assuming the laser source from SkyFire any reason you don’t want to order the servos from them? The prices are much less then 1k per driver/motor
Well I purchased a NEMA 23 closed loop motor and drive from Steppers On Line, got the pin layout from Sky Fire but still cannot get past the "Servo Alarm" needing clear which I am sure is an improper wire somewhere. Any ideas or advice would be greatly appreciated. Thank you so much sir.
Would you be willing to share your Config settings for the closed loop stepper? If not I understand. Thank you. I have now been able to get the 2DCuthead software to work bench top but not the motors (Stepper OnLine NEMA 23 CL57T) despite manufacture and SkyFire diagrams. I am trying to see if I have missed something else in the config sys. Thank you.
@@robbroomfield468 thanks...i figure out almost 4 days how to make the motor working...because on the software warn me that the X and Y axis was off...thats explain why...
In fiber laser controllers the z axis don't run on pulse & dir signal. The z axis run on an analog signal,so I don't think it will work for you with a stepper motor.
@@robbroomfield468 Before I spend anymore time with wiring scenarios LOL, will this run "Open Loop" Steppers or do I have to at least have "Closed Loop" or Servos? I cannot seem to make open loop work, or I am just flat doing something wrong. I have looked at your wiring and matched with the exception having encoding wires run back to the board since I do not have those. Thank you sir.
@@robbroomfield468 Thank you so much! I figured that was the problem. I have watched your videos over and over just wanting to make the motors respond as you have. I am trying to do as you and make my current CNC plasma work using the Fiber Laser benefit. Your videos are precise and very informational and I thank you for taking your time to make. Yes, you need to get set up with a Patreon. I will order the closed loop stepper today. I currently run NEMA 23's and hope that it is a simple motor swap, i.e. shaft size, machine bolt size and line up. It would be a pretty easily accessible plug and play if so. Thank you so much sir.
Very nice build. We shared this video (alongside the first two parts) on our homemade tool forum last week 😎
Thank you so much
Aliexpress has lots of choices for low cost AC servo kits. Also gear reducers. Got one (750W) months ago for evaluation, seems quite well made. Thanks for another DIY industrial automation fix, cool project.
Thank's for the sharing 🙂
For those steppers with a 5:1 reducer, if I've done the math right, you will need a 75mm root circle diameter on your spur gear to hit 70M/min, it looks like that's going to be a 50 tooth spur gear at module 1.5
Thanks for working that out! 😳 That's a fair size pinion gear. Gulp
@@robbroomfield468 i went nema 34 8nm closed loops, 5 to 1 reduction and i think around 18 tooth pinion from memory on a 1.5mod rack and could push over 40 meters a minuite, great acceleration still, 70 will certainly be pushing them. but will be amazing to see a big gantry at those speeds. i only ran them on 60 volt though so could get more out of them yet i think.
What happen, is the cnc completed? when is the next video
At the moment I'm not doing anything. I have a ruptured bicep tendon. As soon as I can I will
I would suggest you to go with inovance servos.
They are relatively cheap for a professional servos.
I have a supplier that it selling those with a great price
Really? Could you send me a link please? Thanks again
@robbroomfield468 I try to post my email for you but for some reason my comment is being deleted every time
Hey Rob you ordered the board and I’m assuming the laser source from SkyFire any reason you don’t want to order the servos from them? The prices are much less then 1k per driver/motor
Well I purchased a NEMA 23 closed loop motor and drive from Steppers On Line, got the pin layout from Sky Fire but still cannot get past the "Servo Alarm" needing clear which I am sure is an improper wire somewhere. Any ideas or advice would be greatly appreciated. Thank you so much sir.
Would you be willing to share your Config settings for the closed loop stepper? If not I understand. Thank you. I have now been able to get the 2DCuthead software to work bench top but not the motors (Stepper OnLine NEMA 23 CL57T) despite manufacture and SkyFire diagrams. I am trying to see if I have missed something else in the config sys. Thank you.
So you input 24v in com pin? In digital input pin? To make the motor work?
Well the COM doesn't go anywhere so you put 24v on it to make the inputs work to complete the circuit.
@@robbroomfield468 thanks...i figure out almost 4 days how to make the motor working...because on the software warn me that the X and Y axis was off...thats explain why...
I think that com port was connected to the positive or negative...thanks to you find out how to make this work...👍
In fiber laser controllers the z axis don't run on pulse & dir signal.
The z axis run on an analog signal,so I don't think it will work for you with a stepper motor.
I have tested all axis with steppers and they work with this board. I will double check later.
In this Raytools controller, Z axis uses step/direction.
@@robbroomfield468 Before I spend anymore time with wiring scenarios LOL, will this run "Open Loop" Steppers or do I have to at least have "Closed Loop" or Servos? I cannot seem to make open loop work, or I am just flat doing something wrong. I have looked at your wiring and matched with the exception having encoding wires run back to the board since I do not have those. Thank you sir.
@lpfdemt you will need to use closed as the board is looking for encoder input. I don't know a way of fooling it 😁
@@robbroomfield468 Thank you so much! I figured that was the problem. I have watched your videos over and over just wanting to make the motors respond as you have. I am trying to do as you and make my current CNC plasma work using the Fiber Laser benefit. Your videos are precise and very informational and I thank you for taking your time to make. Yes, you need to get set up with a Patreon. I will order the closed loop stepper today. I currently run NEMA 23's and hope that it is a simple motor swap, i.e. shaft size, machine bolt size and line up. It would be a pretty easily accessible plug and play if so. Thank you so much sir.