Technical Reference
EDM Prototype To Production Guide Technical Reference
Moving an EDM part from prototype to production requires a locked drawing revision, approved process route, repeatable fixturing, inspection plan, and material supply. Prototype-to-production transfer fails when the approved revision, material condition, datum, process route, finishing sequence, inspection method, and acceptance records are not frozen before the batch begins.
Quick Answer
Moving an EDM part from prototype to production requires a locked drawing revision, approved process route, repeatable fixturing, inspection plan, and material supply.
RFQ Preparation Points
What to Send
A prototype that is accepted informally without recorded datums and requirements cannot serve as a production standard. The consequence changes fit, function, or service performance for the Prototype to Production decision; it is not only a change in surface appearance.
How to Use the Files
Use the prototype to verify fit, surface, edge, recast, and measurement before freezing the batch plan. When planning Prototype to Production, apply the requirement only to the dimensions and faces that control fit, function, service life, or documented release.
What Causes Delays
Prototype-to-production transfer fails when the approved revision, material condition, datum, process route, finishing sequence, inspection method, and acceptance records are not frozen before the batch begins.
What Each Input Does
Prototype work should prove the riskiest feature, surface, and inspection method before a batch is released. A first article or coupon is useful when the drawing combines a difficult material condition with tight geometry or surface-integrity acceptance. This mechanism explains the limits and behavior that matter when planning Prototype to Production.
EDM Prototype to Production Guide Reference
| What you're asking | What you can expect |
|---|---|
| Driver | Planning effect |
| Setup | programming and fixture effort |
| Machining | cut length, cavity volume, depth, or passes |
| Electrodes | design, manufacture, count, and wear |
| Inspection | method, report, and samples |
| Quantity | prototype, first article, and batch strategy |
How the Review Uses the Information
Use a simpler conventional route on easy geometry and reserve EDM, detailed reports, and extra finishing for the features that need them. Prototype-to-production transfer fails when the approved revision, material condition, datum, process route, finishing sequence, inspection method, and acceptance records are not frozen before the batch begins.
Inspection and Surface Inputs
Assign surface, edge, and sub-surface requirements only where they affect function, and give each requirement its own acceptance method. For Prototype to Production, tie the accepted condition to the feature and inspection method named in the drawing.
Prototype to Production Drawing and Release Checkpoints
- Identify the controlled feature, material condition, access direction, and functional datum for this Prototype to Production decision.
- Separate dimensional requirements from texture, edge, recast, corrosion, fatigue, or post-process acceptance.
- State the inspection method, sampling or first-article requirement, drawing revision, quantity, and any documentation needed for release.
Practical Next Step
Assign surface, edge, and sub-surface requirements only where they affect function, and give each requirement its own acceptance method. Use the prototype to verify fit, surface, edge, recast, and measurement before freezing the batch plan.
What to Remember
Moving an EDM part from prototype to production requires a locked drawing revision, approved process route, repeatable fixturing, inspection plan, and material supply. Quotation and production should use the same controlled revision, material, quantity, process scope, and inspection requirements.
Technical Reference
Use the values as planning references and define the functional requirement on the controlled drawing.
Use This Guide to Prepare Your RFQ
Contact us when your drawing and requirements are ready for review.
- Drawing or part sketch
- Material grade
- Thickness / part size
- Quantity
STEP/STP, DXF, DWG, PDF, IGS/IGES or ZIP.
Confidential drawing review. NDA support available on request.
Frequently Asked Questions
What drives EDM cost most?
Geometry, setup, passes, electrodes, material handling, and inspection.
Does higher quantity always reduce lead time?
No. Batch machining and inspection still scale with the route.
When is a sample useful?
When fit, surface, edge, or repeatability is expensive to correct later.
How can cost be reduced?
Widen nonfunctional tolerances and use fine finish only on functional faces.