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Gold Wire EDM Thickness Review (100–200 Mm)

Gold at 100–200 mm changes how Wire EDM must be supported, flushed, finished, and inspected. The controlling dimension is section thickness, wire path, kerf, flushing, taper and verticality, not merely the outside stock size.

Quick Answer

For Wire EDM on Gold, treat 100–200 mm as a setup input rather than a guaranteed accuracy band. Confirm the real section thickness, wire path, kerf, flushing, taper and verticality, material condition, datum, functional faces, and inspection method before assigning tolerance or finish.

Key Thickness Decisions

What This Thickness Range Means

High cutting height increases wire lag and debris-control risk; verticality and finish should be assigned only where functional. On Gold, the supplied condition still changes support and surface response. This is the Wire EDM thickness decision; it does not turn the range into a machine promise.

Choosing the Right Setup

For Wire EDM on Gold at 100–200 mm, plan wire diameter, kerf compensation, flushing, wire tension, guide alignment, taper, and trim-pass stability. Then state the supplied condition, support the functional features, and define surface and inspection requirements separately. Apply the tightest tolerance and finest finish only to the dimensions and faces that control function.

What to Watch For

At 100–200 mm, the failure is not simply “too thick” or “too deep.” The wire behaves as a long tensioned span and reacts slowly to corner changes. Lag, guide condition, debris evacuation, and tank temperature can shift the lower contour even after several trims. Plan reduced speed, conservative cornering, and inspection at multiple heights. If the setup ignores that physical progression, the named feature can pass at the accessible face while failing at depth, at the exit, or after unclamping. The Gold condition must be included in the same inspection decision.

Technical Context

A continuously moving wire is held in a controlled spark gap while pulsed discharges remove a through profile. At 100–200 mm, The wire behaves as a long tensioned span and reacts slowly to corner changes. Lag, guide condition, debris evacuation, and tank temperature can shift the lower contour even after several trims. Plan reduced speed, conservative cornering, and inspection at multiple heights. Control support, wire tension, guide alignment, flushing, trim-pass offset, and top-to-bottom inspection. For Gold, the supplied condition still determines support and surface acceptance.

Wire EDM Capability Reference

What you're askingWhat you can expect
Feature typesthrough profiles, precision slots, punches, inserts, cutouts, narrow webs, and tapered walls
Tolerance±0.005–0.025 mm
Surface finishRa 0.2–3.2 μm
Wire diameter0.10–0.30 mm planning range
Minimum internal cornerApproximately wire radius plus spark gap
Main limitationBlind cavities and closed pockets are not wire-cut features.

Thickness Range Reference

Thickness or depth inputWhat it means for this process
100–200 mmHigh cutting height increases wire lag and debris-control risk; verticality and finish should be assigned only where functional.
Primary controlsMatch wire diameter, support, flushing, guide alignment, and trim passes to the section height and detail requirement.

Material Condition Reference

ConditionWhat to expectWatch out forSurface notes
annealedUse stable support and economical roughing.Clamping and material condition can move delicate features.Apply fine finishing only to functional faces.
work-hardenedBalance dimensional stability with feature-specific finishing.Residual stress can shift thin sections or small details.Identify wear, seal, fatigue, or contact surfaces.
finished or plated conditionUse conservative energy and selective inspection.Finished or hardened surfaces can be sensitive to edge damage and recast.Use lower-energy finishing or post-processing where function requires it.

Thickness Impact

Gold is a very soft, dense and highly conductive precious metal. In the 100–200 mm setup, state the supplied condition, support the functional features, and define surface and inspection requirements separately. The material condition changes support and surface response, while Wire EDM determines how the feature is accessed and controlled.

Surface and Edge Control

For Wire EDM on Gold at 100–200 mm, inspect the functional face or edge from its own datum. Use protected fixturing, controlled finishing and recovery procedures for cut-off material. Keep texture, edge condition, recast, corrosion protection, and post-processing as separate acceptance items when service requires them.

Gold Wire EDM Thickness Checkpoints

  • Show the actual section height represented by 100–200 mm, not only the outside part size.
  • Match wire diameter, support, flushing, guide alignment, and trim passes to the section height and detail requirement.
  • Mark the functional tolerance, finish, datum, and inspection method on the drawing.

Limits and Better Alternatives

Main Limit

The 100–200 mm label cannot replace the real section thickness, wire path, kerf, flushing, taper and verticality or the supplied Gold condition. Surface marking, thin-feature distortion and material recovery can matter more than discharge stability.

Consider Another Route When

Use Sinker EDM for blind forms, CNC for accessible open geometry, or laser/waterjet when sheet-cutting speed matters more than EDM edge quality.

Practical Next Step

Send the Gold drawing with its condition, the actual section height in the 100–200 mm range, feature geometry, controlled tolerance, surface requirement, quantity, and inspection method.

Practical Takeaway

For Gold at 100–200 mm, plan Wire EDM from the real feature axis, support, debris control, and inspection method instead of treating the range as a blanket capability statement.

Technical Reference

Use the values as planning references and define the functional requirement on the controlled drawing.

Monthly Reference

Material Price Reference

Material Gold
$129,163 / kg
Updated July 2026
Quote Note

Reference material cost only. Final EDM pricing is confirmed after reviewing the drawing, EDM process, tolerance, quantity and inspection requirements.

Use This Guide to Prepare Your RFQ

Contact us when your drawing and requirements are ready for review.

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  • Process: Wire EDM
  • Material: Gold
  • Thickness: 100–200 mm
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  • Material grade
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STEP/STP, DXF, DWG, PDF, IGS/IGES or ZIP.

Confidential drawing review. NDA support available on request.