Thread: Stepper motor ampage question
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17-01-2019 #1
Hi guys I have a TB6600 rated at 4 amp and a 4 wire Nema 23 rated at 4.2 amps if I wire up the controller to the motor will it burn it out or do some damage ?
I could buy a TB6600HG which is rated at 5 amp just to be safeLast edited by Fivetide; 17-01-2019 at 12:32 AM.
Fiction is far more plausible when wrapped around a thread of truth
Nothing great was ever achieved without enthusiasm.
Ralph Waldo Emerson
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17-01-2019 #2
If you use a TB6600 stepper driver set to 4A
a stepper motor rated at 4.2 amps will run at the 4A set by the driver so there should be no problem
the motor torque will be reduced to 4/4.2 of the rated torque
having said that I would be inclined to use the TB6600HG so the stepper driver is not run at is limit
John
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17-01-2019 #3
Thanks for the advice John I think Ill go with the 5 amp controller as you said.
Fiction is far more plausible when wrapped around a thread of truth
Nothing great was ever achieved without enthusiasm.
Ralph Waldo Emerson
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17-01-2019 #4
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17-01-2019 #5
Hi Clive - I sort of guessed it as I'm no expert but I have a PSU rated at +24v @ 14.6 amp . At the moment I haven't tried just using the 3rd 178 oz Nema 23 it may be ok on the live jobs I 'm going to be doing. and the only difference in fixings is coupling size. The larger 23 I haven't purchased yet but is intended to spin the lathe chuck - in the event 178 needs some more torque at higher feed rates mainly for finishing cuts, although it may be way over the top. The lathe is basically a motorized wood copy lathe, I'm not machining anything that's precise, but if i can get a decent rpm and make a finishing cut of 1 to 0.5 mm without jamming - then it will have done the job intended. :)
First I'm going with a direct drive attempt as its very simple to set up. I also have a 1:2 pulley system I could try if that fails. And if that wont work I'll go for the 425oz.
1. x1
Manufacturer Part Number 23HS45-4204S
Step Angle 1.8°
Holding Torque 3.0Nm(425oz.in)
Rated Current/phase 4.2A
Phase Resistance 0.9ohms
Recommended Voltage 24-48V
Inductance 3.8mH±20%(1KHz)
Weight 1.8kg
2. x3
NEMA 23 MOTOR SPECIFICATIONS:
Holding Torque: 178 oz/inch
Mount : 56.4mm x 56.4mm
Shaft diameter: 6.35mm (1/4inch)
Rated current: 2.8A DC
Recommended Power Supply : 24-48VDC
Step angle: 1.8 degree
Fiction is far more plausible when wrapped around a thread of truth
Nothing great was ever achieved without enthusiasm.
Ralph Waldo Emerson
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17-01-2019 #6
I suppose what I am saying is 24V might be a bit low to do what you are thinking of but the limitation of the drives you have will dictate the max voltage.
Last edited by Clive S; 17-01-2019 at 10:44 PM.
..Clive
The more you know, The better you know, How little you know
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