making a motor
DESCRIPTION
Making A Motor. Exploring the Magic of Electricity. TOOLS. Flathead screwdriver. Wire Strippers. Diagonal Cutters. Phillips Screwdriver. Needle Nose Pliers. Wire Materials. 2’ 20 gauge enamel coated magnet wire. 18 gauge bell wire. 12 gauge solid copper. Motor Parts. Alligator Clips. - PowerPoint PPT PresentationTRANSCRIPT
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Making A Motor
Exploring the Magic of Electricity
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TOOLSFlathead screwdriver
Phillips Screwdriver
Diagonal Cutters
Needle Nose Pliers
Wire Strippers
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Wire Materials
12 gauge solid copper
2’ 20 gauge enamel coated magnet wire
18 gauge bell wire
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Motor Parts
Wood block 3”x3”x 3/4”
Alligator Clips
2 wood screws ¾” 1” cardboard tubemagnet
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Step 1: Making connecting wires
Attach an alligator clip to one end of black bell wire. Repeat for 2nd black wire.
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Attach an alligator clip to both ends of white bell wire.
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Step 2: Forming the motor brushes
Cut a 1’ piece of 12 gauge copper wire in half.
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You should have two 6” copper wires…
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Using needle nose pliers, form a small hoop at one end
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Holding the hoop, bend a right angle 1” below hoop…
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Form a second hoop off the right angle
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Bend another right angle from second hoop. First
hoop
Second hoop
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First hoop
Repeat Step 2 for the other half of copper wire. You will have two brushes.
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Second hoop
First hoop
Using wood screws, mount the brushes 1-1/2” apart on the wood block, hoops facing out.
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The brushes should look like the picture below.
Wire connection pointWire connection point
First hoop First
hoop
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Step 3: Place a magnet in center of brushes.
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Step 4: Making the Rotor
Materials: 1” cardboard tube, enamel wire, sandpaper.
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Using cardboard tube begin making a coil.
Leave 2” of wire at ends.
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Keep coils neat. 5-6 turns should do.
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Carefully move coil of form,
pinching coils together.
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Pinching one side of the coil, make a loop with a free end around the coil to secure it.
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Like this! Make two loops to secure.
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Repeat for the other end of coil to secure windings.
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Place coil in middle of brushes, trim excess wire.
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Repeat for other side.
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Using sandpaper, sand away enamel all the away around one end of coil.
Bare copper end
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Enamel removed all the way around this end.
Remove half the enamel from this end! (semi-circle bare)
The complete rotor.
Sand away enamel 1/2 the away around other end of coil.
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Step 5: Inserting rotor in Brushes.
Slide coil through brushes, use needle nose pliers to bend one brush to ease installation.
Motor brush
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A Completed Motor Assembly
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Attach wires to brushes using alligator clips on connection points.
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Making Simple Switch
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STEP 1:
Cut two pieces of black bell wire, equal lengths
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STEP 2: Strip wire ½”
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STEP 3: Make a hook in wire
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STEP 4: Fasten wire and strap metal to wood
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STEP 5: Screw into place
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STEP 6: Fasten bell wire at other end of switch block
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STEP 7: Screw in place
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Completed Simple Switch
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Complete motor wiring using a simple switch and 6 volt lantern battery.