| Official Course Description: MCCCD Approval: 03/10/87 | |||
|---|---|---|---|
| GTC185 19886-19955 | L+L | 3 Credit(s) | 6 Period(s) |
| Electro-Mechanical Devices | |||
| Concepts, principles, maintenance, and troubleshooting of mechanical and electro-mechanical devices; mechanical alignment of shafts, pillowblocks, gears, differentials and couplers on mechanical breadboard; transmission devices including lead screws, linkages, worm and worm wheels, gear trains, harmonic drives, speed reducers, chain drives, and belt drives; principles of lubrication; operation of fractional horsepower dc(direct current), ac(alternating current), servo, syncro, and stepping motors; application of tachometers, linear variable differential transformers, optical encoders, stepping motors, linear actuators, relays, solenoids, switches, and fuses; selection and specification of components from manufacturer's catalogs. Prerequisites: None. | |||
| MCCCD Official Course Competencies: | |
|---|---|
| GTC185 19886-19955 | Electro-Mechanical Devices |
| 1. | Describe the characteristics of spur, bevel, helical, and herringbone gears. (I, III) |
| 2. | Relate the principle of conservation of energy to the mechanical characteristics of gear and levers. (II) |
| 3. | Identify and specify pins, springs, machine screws, and retaining rings. (I) |
| 4. | Set-up and align a mechanical breadboard. (III) |
| 5. | Differentiate between one-step and two-step drive of stepping motors and linear actuators. (V) |
| 6. | Comprehend the electrical and mechanical specifications of relays and solenoids. (II) |
| 7. | Describe the operation of optical encoders and linear variable differential transformers. (IX) |
| 8. | Explain mechanical advantage and angular velocity characteristics of single, double, and triple lead worms and worm wheels. (III) |
| 9. | Identify and use appropriate lubricants. (X) |
| 10. | Explain the torque-speed curve of stepping motors. (V) |
| 11. | Differentiate between syncro receivers and transmitters. (VII) |
| 12. | Use micrometers, vernier calipers and dial indicators to make mechanical measurements. (III) |
| 13. | Use tachometers and strobotac to measure RPM. (V) |
| 14. | Demonstrate proper care, use, and maintenance of hand tools. (III, IV, V) |
| 15. | List the parts of a four-bar link. (IV) |
| 16. | Identify the parts in a chain drive. (VII) |
| MCCCD Official Course Outline: | |
|---|---|
| GTC185 19886-19955 | Electro-Mechanical Devices |
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