Start with the part package
A medical machining prototype is a machined sample made to a defined model and drawing for evaluation. The quote depends on the geometry, material, quantity, finish and inspection requirements. Provide the files that describe the actual part rather than relying on a general product description.
Make interfaces and critical dimensions clear
Show how the sample fits or connects to adjacent components. Identify datums, fits, threads, sealing faces and any dimensions that affect the test. Mark open design items so the supplier can identify assumptions before pricing or process planning.
Specify material and documentation
Name the material grade and indicate whether substitutions are allowed. If the prototype is intended for a particular test or regulated program, list the required material documents, inspection records, cleaning or packaging needs. Do not assume that a machining prototype is sterile, biocompatible or approved for patient use.
Use a clear quote checklist
- Controlled CAD model and drawing revision.
- Material grade, quantity and any approved alternatives.
- Critical dimensions, finish and deburring requirements.
- Inspection method and report format.
- Evaluation purpose and requested timing.
For the full design iteration workflow, see medical device prototyping. For broader process scope, see medical CNC machining services.
Review the sample against agreed criteria
Use the approved drawing and inspection plan to record fit, interface and dimensional findings. If the design changes, issue a new revision and identify the features that need to be reviewed again.