CNC Machining

Mold Manufacturing CNC EDM

A practical engineering guide focused on manufacturability, process planning, inspection, and cost.

7 min readPartGo EngineeringTechnical guide
Mold Manufacturing CNC EDM — engineering guide
PartGo Engineering Resources

Engineering takeaway

Treat the model, drawing, material specification, finish, and inspection plan as one production package. The best result comes from resolving tradeoffs before the part reaches the machine.

01

Start with part function

A sound approach to Mold Manufacturing CNC EDM begins with loads, interfaces, operating conditions, quantity, and acceptance criteria. Manufacturing decisions should follow those requirements.

02

Plan geometry around the process

Tool access, workholding, feature depth, internal radii, wall thickness, and setup count affect feasibility and repeatability. Simplify non-functional geometry before tightening specifications.

  • Functional interfaces identified
  • Critical dimensions prioritized
  • Material and finish specified
  • Inspection needs documented

03

Balance tolerance, finish, and cost

Close tolerances and fine finishes increase process and inspection effort. Apply them selectively to functional surfaces and communicate which features carry the most risk.

04

Provide complete technical data

Submit a STEP model and drawing with material, quantity, datums, threads, tolerances, finish, inspection, and documentation requirements for a project-specific review.

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