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Hydraulic motor

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    mike1 started this thread.
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    Hydraulic motor

    Found a hydraulic motor in a trailer people leave things in them when they come back to get repaired . I scrub the floors they come back from construction sites. I have never seen a motor like this it's a dc motor like a sweeper but the copper is not stranded wire the middle part is thick like a romex the outer coils are some kind of flat copper usually it's stranded wire the motor weight is 17lbs I'm guessing lots of the weight is steel I'll post copper weight tomorrow. As is it would be 3.40$. .20 for electric motors.



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    The DC motors are hard to get the copper out of. Most of the copper seems to be wound around the rotor and is varnished in. I don't know of any good ways to strip a rotor except to throw them into a fire and burn all that varnish off.

    It might save you a lot of time to just sell it as an electric motor because that kind is so hard to strip.

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    I found one once, it was from a place that works on street sweepers. it looked like a starter so i sold it as is cause those are not easy or worth the time to get the copper out IMO. I got motor price for it instead of starter pricing.

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    Quote Originally Posted by hills View Post
    The DC motors are hard to get the copper out of. Most of the copper seems to be wound around the rotor and is varnished in. I don't know of any good ways to strip a rotor except to throw them into a fire and burn all that varnish off.

    It might save you a lot of time to just sell it as an electric motor because that kind is so hard to strip.
    I dislike them too. Getting them instead of an AC motor is like finding aluminum wiring instead of copper to me. I generally dismantle them to make sure they're not AC, check for cast aluminum (casing ends) and I put the rotors aside. I know that I probably losing time doing that and the rotor price is pretty bad, but copper breakage is not really a thing for local yards here and I don't get them too often. Also, the ones I get are generally quite small. The biggest rotor I got lately is maybe 2 inch diameter.
    NEW TO SCRAPPING? READ THIS: Build up your horde of magnetic and non-magnetic metals in two piles until you have a better understanding of the business. Read old threads about non-magnetic metals and ewaste (and how to sort them), but don't forget that they generally have absolutely no tolerance for contamination (screw / iron / foreign material). Magnetic material has low value and is mostly always steel / shred / short iron.

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    Quote Originally Posted by CopperMiner View Post
    I dislike them too. Getting them instead of an AC motor is like finding aluminum wiring instead of copper to me. I generally dismantle them to make sure they're not AC, check for cast aluminum (casing ends) and I put the rotors aside. I know that I probably losing time doing that and the rotor price is pretty bad, but copper breakage is not really a thing for local yards here and I don't get them too often. Also, the ones I get are generally quite small. The biggest rotor I got lately is maybe 2 inch diameter.
    Ohh man .... i hear ya. It will usually say if it's AC or DC somewhere on the motor. You can tell by how the wires hook up. It's often a heavier black wire and a heavier red wire for for a DC motor. AC motors generally have at least three wires. A black, a white, and a green ground.

    Also hate wasting time on aluminum wound. It's like finding a turd in the punch bowl. Sometimes you can go by application. Most jet pumps for well water are ali. A lot of burner motors are ali. Maybe the ali holds up better in damp environments ?

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    Yes alum wound motors are a buzz kill to us scrappers but they do serve their purpose.

    https://www.aarohies.com/copper-wind...-in-the-motor/

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    mike1 started this thread.
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    Did the motor got the rotor to do I got 2lbs of copper so far . Got 8 lbs of aluminum it's like a engine block thing is that considered extrusion? It's shiny and has lines on it machined aluminum maybe?. It had nasty. Hydraulic fluid or oil it was red and smelled nasty. I'm going to use the sawzall on the rotor I'm at 12$ on the motor with the aluminum and copper didn't add in the steel yet. Does motor steel count as hms(heavy melt steel).

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    I didn't saw your motor, but here they will probably take alum from engine block as casting and steel will go on the shred heap. This is how they buy cleaned small gas engines (snowblower, lawn mover, chainsaw...) They take almost nothing as hms whatever you bring them, but it seems that yards in other areas are more lax in that lane.

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    mike1 started this thread.
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    It looks like this the flat copper on the outside and the thick solid copper on the inside https://www.walmart.com/ip/Electric-...1739/188695543


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