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Author Topic: tuning steppers in mach 3  (Read 14140 times)

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Offline dgalaxy

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Re: tuning steppers in mach 3
« Reply #10 on: November 22, 2006, 07:10:26 PM »
hey Chaoticone  i was sitting here tearing into my box i was going to put that other power supply the 48 volt  56000 capacitor one out of the centroid controller in my plasma box i was wondering do you guys think it would matter if it is like a 900va  or it really wont make a difference
my motors are only going to pull 5 amps all together this supply is set up for 9 amps on each motor LOL just making sure im not going to fry anything

John
« Last Edit: November 22, 2006, 07:24:17 PM by dgalaxy »
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Offline Chaoticone

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Re: tuning steppers in mach 3
« Reply #11 on: November 22, 2006, 07:26:29 PM »
If your PS is rated higher than you will be pulling (AMPS, NOT VOLTS)that is a good thing. More room to add more stuff.  ;D  You would not want your motors to pull more than your drive is rated for. Think of the KV size as the size of the gas tank. You never want to run dry.
« Last Edit: November 22, 2006, 07:47:30 PM by Chaoticone »
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Offline dgalaxy

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Re: tuning steppers in mach 3
« Reply #12 on: November 26, 2006, 01:02:17 PM »
everything seems to be running pretty smooth  , i wonder if i will lose less steps also i wonder how long my 24v fan will last at forty eight volts ?

thank you so much for your help

John
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Hood

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Re: tuning steppers in mach 3
« Reply #13 on: November 26, 2006, 01:11:18 PM »
I think if you put a resistor in line with your fan it  should make it last.
Hood
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Offline Yodawill2000

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Re: tuning steppers in mach 3
« Reply #14 on: November 27, 2006, 05:24:57 PM »
Or get a 48V fan   ;D
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Offline chad

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Re: tuning steppers in mach 3
« Reply #15 on: November 27, 2006, 07:27:04 PM »
Or get another 24 vdc fan and wire the two in series ;)

Chad
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Offline dgalaxy

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Re: tuning steppers in mach 3
« Reply #16 on: December 04, 2006, 10:40:57 AM »
WOW what a difference i can really tell now its been a few days.  i have went to 48v and never looked back
thank you guys so much
John
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Offline Chaoticone

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Re: tuning steppers in mach 3
« Reply #17 on: December 04, 2006, 11:17:10 AM »
Your welcome John,
   Glad you got going. Post some pics. of your cuts on the design exchange. ;D
Out of curiosity, what accel. are you having luck with now?
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;D If you could see the things I have in my head, you would be laughing too. ;D

My guard dog is not what you need to worry about!

Offline dgalaxy

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Re: tuning steppers in mach 3
« Reply #18 on: December 04, 2006, 11:24:25 AM »
im running 30 and 500 maybe still a little slow compared to others but im happy. is  30 fast or is it slow do you think maybe i should turn it up a notch
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Offline Chaoticone

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Re: tuning steppers in mach 3
« Reply #19 on: December 04, 2006, 11:50:17 AM »
It all depends. I do everything from thick tool steel with a 3/4" end mill to v carving acrylic .013" deep. Because of the heavy tool loads I run a much lower accel than I could get away with on the light stuff. Hey, I just thought of something indirectly related to something myself and another member have talked about, different profiles. This guy is sharp. I won't mention his name but his initials are Hood. ;D One for light and one for heavy tool loads. I would go as high as I could without skipping steps. The higher the accel. the better, or easier tuning in your cv mode would be. I think. I think I remember reading somewhere, keep bumping up until you just start to loose steps and back off 10%.
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;D If you could see the things I have in my head, you would be laughing too. ;D

My guard dog is not what you need to worry about!
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