# looking to upgrade steppers & drivers.

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• 01-25-2015, 01:20 AM
modelaratrod
Re: looking to upgrade steppers & drivers.
Now to figure out the enclosure.
Attachment 265784
• 02-01-2015, 10:51 PM
islander261
Re: looking to upgrade steppers & drivers.
modelaratrod

Find attached screen shots from my setup. Can't attach to PMs.

John
• 02-04-2015, 03:02 AM
modelaratrod
Re: looking to upgrade steppers & drivers.
Here's where I'm @ driver is 3.5 amp micro stepping set to 1/10 or 2000 steps per revolution, 2:1 gear reduction gear heads running on a 14.5 pressure angle 24 pitch R&P with a 24 tooth spur gear with a OD of 1.083"

I told the axis to move 16" and it moved 41"

16/41=0.3902439 and divide Pi by the gear ratio? 3.14/2=1.57 so 0.3902439x1.57=.612682

• 02-04-2015, 06:40 AM
islander261
Re: looking to upgrade steppers & drivers.
modelaratrod

Check the settings on your stepper driver, from the distance moved and your other entries it may be set to 4 microsteps per step instead of 10.

If your rack and spur gear are 24DP then the pitch diameter is 1" or pitch circle of PI for a 24 tooth spur gear.

So the screw thread that Torchmate or Flashcut wants is Screw Thread = rack teeth per unit length/ tooth pinion = (24/PI)/24= .31831, mine is not set to the theoretical number because that is how I fine tuned my motion.

Check and fix the settings on your stepper driver or enter 4 microsteps per step in the Torchmate or Flashcut SW.

Mine worked by the book for getting close. I measure the gantry movement with a dial indicator then and adjusted the screw thread number until 1" commanded gave 1" on the indicator.

John
• 02-08-2015, 05:17 PM
modelaratrod
Re: looking to upgrade steppers & drivers.
I have the gear ratio tuned in and can run 600 ipm rapids. :-D
• 07-05-2016, 07:16 PM
modelaratrod
Re: looking to upgrade steppers & drivers.
Here's the almost finished product, I used a different enclosure.
Attachment 326100
• 05-29-2019, 04:12 AM
modelaratrod
Quote:

Originally Posted by modelaratrod
New power supply just showed up. Is big! lol

Attachment 265778

The power supply is from Antek
PS-15N70R5R12
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