Hello Guest it is July 21, 2019, 03:33:21 AM

Author Topic: New cnc machine running but....  (Read 6023 times)

0 Members and 1 Guest are viewing this topic.

Offline Davek0974

*
  •  2,556 2,556
    • View Profile
    • DD Metal Products Ltd
Re: New cnc machine running but....
« Reply #10 on: November 11, 2016, 08:58:20 AM »
Back in the day i would just unwind a few turns. :)
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives
Re: New cnc machine running but....
« Reply #11 on: November 12, 2016, 02:16:34 AM »
It would appear I was using 24v and my power supply only goes up to 27.4 should I go up or down ?
Re: New cnc machine running but....
« Reply #12 on: November 12, 2016, 02:31:51 AM »
I went up if anything it helps the slightest but still not happy ,, might be time to go for 4 motor drivers and a bob instead of this all in 1

Offline Davek0974

*
  •  2,556 2,556
    • View Profile
    • DD Metal Products Ltd
Re: New cnc machine running but....
« Reply #13 on: November 12, 2016, 03:10:57 AM »
I've not heard anything good about these all-in-1 boards really, they seem to either work, work for a while or do not work at all and very hard to debug.

Before going for drivers, what settings do you have in mach for velocity, acceleration, steps per.

What feed rate is the code in the video calling for, post a snippet?

The voltage would help a little but not if a setting is out or driver is duff.

Do you the board set for max motor current?
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives
Re: New cnc machine running but....
« Reply #14 on: November 12, 2016, 03:56:05 AM »
Here is another video showing you the acceleration it seems the faster i set the motors the less it wants to clunk .  https://www.youtube.com/watch?v=yi7arF9Qers

i will also add the g code. 400 steps per mm yes the board is set to max current.

http://www.ebay.ca/itm/141267600275?_trksid=p2060353.m2749.l2648&ssPageName=STRK%3AMEBIDX%3AIT

Re: New cnc machine running but....
« Reply #15 on: November 12, 2016, 03:56:30 AM »
gcode
Re: New cnc machine running but....
« Reply #16 on: November 12, 2016, 04:10:14 AM »
if i did go for drivers would these be good enough to power my nema 23 steppers? http://www.banggood.com/TB6600-Upgraded-Version-32-Segments-4A-42V-5786-Stepper-Motor-Driver-p-981997.html?rmmds=cart

Offline Davek0974

*
  •  2,556 2,556
    • View Profile
    • DD Metal Products Ltd
Re: New cnc machine running but....
« Reply #17 on: November 12, 2016, 06:06:34 AM »
Hmm, I'm running out of knowledge now ;)

The speeds look ok - between 760 and 2540mm/min although the first video seemed much lower?

i Gather the 400 steps per yields the correct size parts, if so then it is correct and does not need looking at further.

What is the drive method - trapezoidal screw, ball-screw, threaded rod ??

I have only used the leadshine style drives similar to the ones you linked and very well known.

As i said, i'm running out of tips really, I've only been doing this a few years myself so still learning ;)
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives
Re: New cnc machine running but....
« Reply #18 on: November 12, 2016, 06:11:00 AM »
Thats alright i think i am going to go with the driver style any ways , this is just too much of a headache and like you said to hard to debug since if one thing goes wrong the whole thing is pooched. so is the driver i linked going to be good for my application ? is one 24v powersupply enough to power all of these drivers or should i order another ? is there anything else other than a bob and the drivers that i need to get going ?

Offline Davek0974

*
  •  2,556 2,556
    • View Profile
    • DD Metal Products Ltd
Re: New cnc machine running but....
« Reply #19 on: November 12, 2016, 06:35:22 AM »
Those drives *should* be ok but as i said i have not used them before.

Yes just the drives and a break-out board should do it, get a decent opto-isolated BOB.

How big was your PSU?, I would use at least a 600W 36v one myself, but 24v would probably be ok as speeds are not blistering fast. 36v should be fine on those drives but no higher.
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives