Maricopa Community Colleges  AMS210   20026-20035 
Official Course Description: MCCCD Approval: 06/25/02
AMS210 20026-20035 L+L 3 Credit(s) 7 Period(s)
Electro-Mechanical Devices
Electro-mechanical devices including physics of simple machines. Gear and sensor assembly and troubleshooting. Designing, constructing, and troubleshooting power transmission and stepper motor drives. Prerequisites: AMS140.
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MCCCD Official Course Competencies:
 
AMS210   20026-20035 Electro-Mechanical Devices
1. Explain the principles of conservation of energy for each of the five simple machines. (I)
2. List the advantages and disadvantages of using spur, bevel, and worm gears. (II)
3. Construct and troubleshoot a gear assembly. (II)
4. Adjust electro-mechanical devices. (II, III)
5. List the advantages and disadvantages of power transmission drive assemblies. (III)
6. Construct and troubleshoot a power transmission drive assembly. (III)
7. Describe appropriate uses of sensors. (IV)
8. Construct and troubleshoot an assembly using sensors. (IV)
9. Describe the appropriate use of motors and motor drives. (V)
10. Construct and troubleshoot a stepper motor drive. (V)
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MCCCD Official Course Outline:
 
AMS210   20026-20035 Electro-Mechanical Devices
    I. Physics of Simple Machines
        A. Newton's laws of motion
          1. Force action and reaction – linear motion
          2. Torque action and reaction – rotational motion
          3. Mechanical advantage concepts
            a. Wheel and axle
            b. Pulley
            c. Inclined plane
            d. Screw
            e. Wedge
        B. Angular velocity concepts
        C. Work and conservation of energy principles
      II. Gears
          A. Parameters
            1. Material
            2. Type
            3. Number of teeth
            4. Pitch diameter
            5. Diametrical pitch
          B. Assemblies and uses
            1. Worm and worm wheel assembly
            2. Spur gear assembly
            3. Bevel gear assembly
            4. Gear assembly combinations
            5. Advantages and disadvantages
          C. Gear assembly
            1. Safety practices
            2. Hand tool use
            3. Precision measurement
            4. Assembly and adjustment
            5. Troubleshooting
        III. Power Transmission Drives
            A. Parameters
              1. Center distance
              2. Length
              3. Proper belt
              4. Pulley ratio
              5. Sprocket ratio
            B. Assemblies and uses
              1. Chain and sprocket drive
              2. Belt and pulley drives
              3. Speed reducers
              4. Universal joints
              5. Advantages and disadvantages
            C. Power transmission drive design and construction
              1. Safety practices
              2. Hand tool use
              3. Precision measurement
              4. Assembly and adjustment
              5. Troubleshooting
          IV. Sensors
              A. Characteristics
                1. Pressure
                2. Temperature
                3. Light
                4. Magnetic
                5. Sound
              B. Types and uses
                1. Pressure
                2. Temperature
                3. Light
                4. Magnetic
                5. Optical encoders
                6. Ultrasonic
                7. Machine vision
              C. Sensor assembly
                1. Safety practices
                2. Hand tool use
                3. Assembly
                4. Troubleshooting
            V. Motors
                A. Parameters
                  1. Torque
                  2. Speed regulation
                  3. Full load speed
                  4. Speed control
                  5. Step angle
                  6. Holding torque
                  7. Detent torque
                B. Types and uses
                  1. Direct current
                  2. Alternating current
                  3. Stepper
                  4. Servo
                C. Motor drives
                  1. Direct current
                  2. Alternating current
                  3. Stepper
                  4. Servo
                D. Stepper motor drive design and construction
                  1. Safety practices
                  2. Hand tools
                  3. Material selection
                  4. Soldering
                  5. Circuit board fabrication
                  6. Chassis fabrication
                  7. Assembly
                  8. Troubleshooting
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