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Making A Motor Exploring the Magic of Electricity.

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Presentation on theme: "Making A Motor Exploring the Magic of Electricity."— Presentation transcript:

1 Making A Motor Exploring the Magic of Electricity

2 TOOLS Flathead screwdriver Phillips Screwdriver Diagonal Cutters Needle Nose Pliers Wire Strippers

3 Wire Materials 12 gauge solid copper 2’ 20 gauge enamel coated magnet wire 18 gauge bell wire

4 Motor Parts Wood block 3”x3”x 3/4” Alligator Clips 2 wood screws ¾” 1” cardboard tube magnet

5 Step 1: Making connecting wires Attach an alligator clip to one end of black bell wire. Repeat for 2 nd black wire.

6 Attach an alligator clip to both ends of white bell wire.

7 Step 2: Forming the motor brushes Cut a 1’ piece of 12 gauge copper wire in half.

8 You should have two 6” copper wires…

9 Using needle nose pliers, form a small hoop at one end

10 Holding the hoop, bend a right angle 1” below hoop…

11 Form a second hoop off the right angle

12 Bend another right angle from second hoop. First hoop Second hoop

13 First hoop Repeat Step 2 for the other half of copper wire. You will have two brushes.

14 Second hoop First hoop Using wood screws, mount the brushes 1-1/2” apart on the wood block, hoops facing out.

15 The brushes should look like the picture below. Wire connection point First hoop

16 Step 3: Place a magnet in center of brushes.

17 Step 4: Making the Rotor Materials: 1” cardboard tube, enamel wire, sandpaper.

18 Using cardboard tube begin making a coil. Leave 2” of wire at ends.

19 Keep coils neat. 5- 6 turns should do.

20 Carefully move coil of form, pinching coils together.

21 Pinching one side of the coil, make a loop with a free end around the coil to secure it.

22 Like this! Make two loops to secure.

23 Repeat for the other end of coil to secure windings.

24 Place coil in middle of brushes, trim excess wire.

25 Repeat for other side.

26 Using sandpaper, sand away enamel all the away around one end of coil. Bare copper end

27 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.

28 Step 5: Inserting rotor in Brushes. Slide coil through brushes, use needle nose pliers to bend one brush to ease installation. Motor brush

29 A Completed Motor Assembly

30 Attach wires to brushes using alligator clips on connection points.

31 Making Simple Switch

32 STEP 1: Cut two pieces of black bell wire, equal lengths

33 STEP 2: Strip wire ½”

34

35 STEP 3: Make a hook in wire

36

37 STEP 4: Fasten wire and strap metal to wood

38 STEP 5: Screw into place

39 STEP 6: Fasten bell wire at other end of switch block

40 STEP 7: Screw in place

41 Completed Simple Switch

42 Complete motor wiring using a simple switch and 6 volt lantern battery.


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