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Electrical Discharge Machine (EDM) -Wire and Sinker Programmer/Operator

Time-Based Apprenticeship
Sponsoring Company:
Wrightcut EDM & Machine, Inc.
O*Net Code
Rapids Code
Req. Hours
Jul 16, 2021
Jul 16, 2021

Time-Based Skills

4 skill sets | 19 total skills
Basic Machine Shop Skills - 1000 req. hrs
Reading blueprints and schematic drawings.
Understanding machining concepts/ Understanding manufacturing processes.
Using machining tools, including: drill presses, manual lathes, grinders, manual mills, Computer Numerical Control (CNC) mills, CNC lathes (if available).
Using hand tools and instruments, such as: clamps, allen wrenches, adjustable wrenches, dial indicators, calipers, micrometers, gage blocks, and manual Coordinate Measuring Machine (CMM)
Electrode Fabrication and Estimating, and CNC Programming - 2500 req. hrs
Interpreting design drawings (design by others).
Programming specifications using Computer-Aided Design (CAD)/ Computer-Aided Manufacturing (CAM) software.
Machining electrodes from raw stock, such as: graphite, copper-coated graphite, various metals.
Calculating number of electrodes needing fashioning based on type of machining job, material(s) being used.
Electrical Discharge Machine Setup - 1500 req. hrs
Designing fixtures to support workpieces, using machining methods and hand tools when necessary.
Loading CNC-programmed designs into machinery.
Affixing wire electrode spools and threading through guides prior to operation.
Selecting proper wires and guides based on application.
Filling and servicing EDM reservoirs, pumps and filters.
Drilling through-holes to accommodate EDM wire.
Electrical Discharge Machine Operation - 2500 req. hrs
Initiating machining process.
Monitoring workstations while machining is performed.
Interrupting machining to insert/replace used electrodes.
Conducting in-process inspection: Utilizing gage (gauge) blocks; Using micrometers and calipers; Operating Coordinate Measuring Machine (CMM); running standard program; Reading instrumentation to check the desired dimensions and tolerances.
Adjusting production process to incorporate changes needed to improve finished product.

Technical Instruction

Safety & Health - 24 req. hrs
General Workplace Safety
Forklift Safety
First Aid & CPR
Right-to-Know/Material Safety Data Sheets (MSDS)
Proper Use of All Trade-Related Personal Protective Equipment (PPE)
Bloodborne Pathogens
Engineering Drawings & Mathematics - 32 req. hrs
Reading Blueprints and Schematic Drawings Interpreting Design Drawings
Math Fundamentals
Geometric Dimensioning Tolerancing (GDT)
Basics of Computer-Aided Design (CAD)
Trade Theory and Science - 64 req. hrs
Machining Concepts/ Manufacturing Processes including hands-on instruction
Machining Tools, Equipment, and Materials
Fixture Design and Manufacturing
Metallurgy / Material Science
Computer Numerical Control (CNC) Programming Precision Measurement: Tools and Methods: Manual, Coordinate Measuring Machine (CMM)

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