Avantages

Describe feature relationships

Show datums and interfaces that must remain aligned.

Identify critical dimensions

Use measurable values and units instead of broad precision claims.

Clarify process flexibility

State whether the supplier should propose the route or follow a specified one.

Align inspection to function

List the features, reports and acceptance criteria that matter.

Complexity should be visible in the drawing

Complex CNC machining services may involve parts with multiple feature types, orientations or relationships that must be controlled together. Describe the part rather than relying on a broad complexity label. Identify interfaces, datums, holes, pockets, angled faces and any features that must remain aligned.

Separate requirements by operation

Provide the model and drawing revision, material grade and quantity. Mark critical dimensions and state whether milling, turning, Wire EDM or another process is specifically required or should be reviewed. List finish, deburring, coating, assembly and inspection requirements with the appropriate sequence.

Make the quote reviewable

Ask the supplier to state process assumptions, exclusions and inspection scope. Define which dimensions need reports and how the part will be accepted. Do not infer an exact tolerance, machine configuration, industry approval or schedule from the word complex.

For five-axis machining scope, see Services d'usinage CNC 5 axes. For Wire EDM requirements, see Wire EDM services.

Complex-part RFQ checklist

  • Current CAD model and drawing revision
  • Material, quantity and approved alternatives
  • Datums, interfaces and critical feature relationships
  • Process sequence, finish and inspection plan
  • Quote assumptions, exclusions and packaging

Request a drawing review to confirm the route and acceptance scope for the actual part.

Foire aux questions

What counts as complex CNC machining?

+

The term is broad. Describe the part features, relationships and acceptance requirements so the project can be reviewed.

Does complex CNC machining always require five-axis?

+

No. Process selection depends on geometry, material, required features and inspection scope.

What files help with a complex-part quote?

+

Provide the current model and drawing, material, quantity, critical dimensions, finish and inspection requirements.

Can a complex service page promise a tolerance or schedule?

+

No. Confirm requirements and timing for the specific part and project.

How does this differ from complex geometry machined parts?

+

This page covers service and process-scope planning; the other focuses on how to dimension and inspect complex geometry.

Demander un devis