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Treadmill motor on old braiding machine

Sawmill7

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Joined
Sep 3, 2019
Messages
253
Location
Iron River Mi
Don't know much about D.C. motors. Can I just run the motor on any d.c. battery ie. 18-12-6 volts? Want to use Milwaukee 18 v but speed is to fast. Going to install jack shaft with bigger and smaller pulley to get lowest speed I can get.
Right now with 18 v with 1.5" motor, 4.5" on braider runs 1200rpm. Going to try 6v and see if it drops to 400 rpm. Any help would be appreciated.
 

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isb cornbinder

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Nov 3, 2010
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7,073
Location
Pacific South West, BC, Canada
I am running a Pacific Scientific 90 volts DC motor to power a weld positioner. I milled a replacement tone wheel with more than twice the number of spaces. I installed a Hall effect sensor to count the spaces on the tone wheel. The gathered information goes to a speed controller for a treadmill. I surprised myself when this worked. It has been almost a decade since I turned for this this contraption on for first time.
Buy a used treadmill off Craigslist and use the components. I hope you see something here that spikes your interest.
If I were doing tis in 2024, I would use a VFD to control the speed.
I have used the weld positioner to slowly turn some BBS wheels for painting. If I think about it, I did do some TIG welds with the assistance of this Rube Goldberg invitation to be electrocuted.
I answered a Craigslist ad for the chuck at $100. The seller decided to give me the chuck ????
 

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Innovate1

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Jul 28, 2014
Messages
4,308
Location
Illinois near St. Louis, Missouri
A motor rated for 95V isn't going to work very well at 6V. It will probably spin but not have much torque but maybe enough for your application. You can try it and see. Not hurting the motor to run at such low voltage if it does what you need without stalling.
 

isb cornbinder

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Nov 3, 2010
Messages
7,073
Location
Pacific South West, BC, Canada
Not sure about your area but around here people practically give treadmills away. It might be worth getting one and use the speed control off it instead ?
I agree.
Unless "things" have changed, treadmills can be as low a free with a few dreamers asking way too much. I think I paid $20 for the TM I repurposed. The seller bought it for her dog. The dog would not cooperate.
I got a really deluxe folding model for my wife. This one was free, because it had to be taken apart to remove it from the seller's residence. My wife wanted one of those small trampoline exercise things. They were being promoted for $100 at a local fair. I bought a new in box with instructions for $5 in Kitsilano, Vancouver.
 

walta

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Joined
Jan 13, 2017
Messages
2,313
Location
Dutzow Missouri
I think you need to find a much smaller motor.

The motor you have spins 5 times to fast and has 10 times the horse power I am guessing you need and you lack a speed control.

Try chucking up that drill to it seems about the right speed and power. If it works find a cheap old used drill and power it with the Milwaukee battery.

Walta
 

dogdog

Well-known member
Joined
Nov 15, 2011
Messages
12,711
They do sell PWM controllers on Ebay. just buy one that fits your operating range or they do have speed controllers for brushed DC motors. I have saved this controller in my watch list for a while.


You can also search for some new old stock motor controllers from kbb I think. Older tech uses voltage level controls instead of PWM.

Difference between the one linked and other pwm controller is that this comes with power.
 
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