How To Disassemble Electric Motor

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How much copper can you get out of an electric motor?

On average out of the 10lbs., the copper inside is only about 10-15% of the weight which would equal about 1.5 pounds.

Is it worth taking apart electric motors for scrap?

If you have several (50 or more) electric motors it may be worth your time to take them apart for the copper wire inside. It is not an easy task to do this so make sure it is going to be worth your time to take them apart.

What is the scrap value of electric motors?

Most scrap yards, including Scrap Stop, offer a price for electric motors, so that you don’t have to worry about dismantling at all. This price changes based on your region and over time but the current price for electric motors is around 20 cents per pound*.

What tools do you need to take apart an engine?

You’ll need appropriate basic hand tools like spanners, sockets, pliers, screwdrivers and a breaker bar. An impact gun (air or electric) can really make things easier, although there might not be much room to use it in a lot of cases. Also be sure to always use appropriate sockets with your gun.

How much copper is in a 1hp motor?

2) Copper weight is @ 600gm per HP (+/-) 10%.

Can you repair an electric motor?

So long as the shell exists, a motor can be repaired and reconditioned. The key is to remember that eventually that motor will need a burnout and rewind before it is insulated again. Then, with proper maintenance and smart reconditioning, there is no limit to how many times you can have that motor repaired.

Can you fix a burnt out electric motor?

If an electric motor operates at too high a voltage, excess current flowing through the windings can cause them to become hot and burn out. While it is normally not practical to repair small, direct current (DC) motors that have burned out, other motors can be repaired by rewinding.

How much does an electric motor weight?

That’s according to this article from mechanicbase.com. Also, note that electric motors (the part that drives the car and is powered by the batteries) weigh significantly less than gas engines. For example, a Tesla motor weighs around 70 lbs (32 kg). That’s nothing compared to gas or diesel engines.

What metals are in an electric motor?

So, what are these motor component materials made from? Powder metal components for motors generally consist of iron, nickel, and cobalt. Iron is the cheapest of the three, so many designers turn there first. Cobalt is rarely used on its own, but is sometimes added to iron.

What type of copper is in electric motors?

High Conductivity Coppers (Electrical) The main grade of copper used for electrical applications such as building wire, motor windings, cables and busbars is electrolytic tough pitch copper CW004A (was C101) which is at least 99.90% pure and has an electrical conductivity of at least 101% IACS minimum.

How much copper is in the average alternator?

Starters, generators, and alternators contain an average of 2.8, 2.6, and 1.5 pounds of copper, respectively. Alternators also contain 3 to 4 pounds of aluminum. Most of the remaining metal is iron. About one-half of the starters have a solenoid that contains 0.5 pounds of copper.

Why do brushless motors have 3 wires?

The three wires give the brushless motors more pulling power. Understanding this helps understand stepper motors below. The two wires of the brushed dc motor can be thought of as forward and reverse. The three wires of brushless can be thought of as 1, 2 and 3.

Should electric motors spin freely?

if there is current running through the motor then there will be a magnetic field which will help the motor lock in place. if there is no current, then the motor should spin freely.

Can ebike motors be repaired?

if you got an ebike and motor not sounding good send it off to them you won’t be disappointed. If your e-bike drive unit is noisy they can overhaul it and make it like new again.

What are the common tools used for dismantling & assembling of motor vehicles?

Open end spanners. Ring Spanners. Combination Spanners. Socket spanners. Torque wrench. Adjustable wrenches. Allen Wrenches.

What tools are needed to rebuild a motor?

Air compressor. Engine assembly lube. Basic set of hand tools. Blow gun and air hose. Brass punch. Camshaft bearing tool. Cylinder bore honing tool. Cylinder bore ridge reamer.

How much does an engine weigh?

The average eight-cylinder engine weighs between 400 lbs. and 700 lbs. Higher-end luxury vehicles and sports cars have this kind of combustion system. Furthermore, 10 and 12-cylinder engines weigh more than 800 lbs.

How do you calculate the weight of copper in a motor?

The copper weight is calculated by the cross section of a cable x 9.6 and will be shown in kg / km. For example FLRY 1.50 mm² has a copper weight of 14.4 kg / km (9.6 x 1.5).

What is the highest copper price ever?

The price of copper reached its highest recorded price of US$5.02 on March 6, 2022. How did it get there? The metal started out the year at US$4.52. Throughout the first quarter of 2021, fears of supply chain disruptions and historically low stockpiles amid rising copper demand drove prices higher.

How much copper is in a transformer?

Rahangdale says, In a typical large transformer, 50% of the cost is in materials. Of that, about 15% to 20% is for copper and an equal percentage is for steel structural members and core laminations with the remainder in oil, insulation and the rest.

What is the most common cause of electric motor failure?

Dirt accumulation. Missing balance weights. Manufacturing variations. Uneven mass in motor windings and other wear-related factors.

Can you solder motor windings?

Yes, I think you can solder the wire in that motor to repair it. Years ago, I soldered a similar wire in a vacuum cleaner motor (it had broken away from the terminal at the end of the winding).

What causes electric motors to fail?

Electric Motor failure occurs due to overheating, phase unbalance, voltage unbalance, single-phasing, surge voltages, poor ventilation, lack of lubrication, overloads, over cycling, excessive moisture, improper belt tension, misalignment and vibration, loose connections, pests, etc.

How much does it cost to have an electric motor rebuild?

Motor shop “A” quotes come back as follows: $1000.00 for a recondition. $2000.00 for a rewind. $200.00 to repair a housing.

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