Nov 28, 2023
MAC 140 - Introduction to Electrical Discharge Machining 4 Credits, 6 Contact Hours
2 lecture periods 4 lab periods
Applications for electrical discharge machining (EDM). Includes EDM machines, processes, spark generation, dielectric fluids, manufacturing of electrodes, and surface finishes.
Prerequisite(s): MAC 110
Information: Prerequisite(s) may be waived by faculty approved industry experiences.
Course Learning Outcomes
- Discuss EDM machine types, applications, nomenclature, and safety.
- Describe EDM basic machine functions and processes.
- Describe power supplies, spark generation, cycle time, power settings, and dielectric fluids.
- Demonstrate proper electrode selection, fabrication, and describe their properties.
- Demonstrate methods of achieving various surface finishes and finished burn sizes.
- Overview of Electrical Discharge Machining (EDM)
- Safety procedures
- Origins and development of EDM
- Machine types and applications in industry
- EDM nomenclature
- EDM Machines and Processes
- Ram EDM (die-sinkers)
- EDM machines
- Machine set-ups
- Material removal
- Spark Generation and Dielectric Fluids
- Power supplies
- Cycle times
- Volts and amps
- Spark Gap
- Dielectric fluids
- Selection and types
- Surface Finishes
- Surface finish considerations
- Duty cycle and finish
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