Medical Device Housing Components

Medical | CNC Machining

Precision CNC machining of medical device housings with ±0.01mm tolerances and full material traceability for regulatory compliance.

Challenge

A medical device manufacturer required precision-machined aluminium housings for a diagnostic instrument. The components demanded exceptional surface finish (Ra 0.8 µm), tight geometric tolerances (±0.01mm), and comprehensive documentation for regulatory compliance. Full material traceability from raw stock to finished part was mandatory.

Solution

CNC Industries implemented a controlled manufacturing process with full documentation from material certification through final inspection. Our 5-axis machining capability allowed complex internal features to be machined in minimal setups, ensuring geometric accuracy. Surface finish requirements were achieved through optimised cutting parameters and dedicated tooling.

Approach

1. Material procurement with full mill certifications and batch traceability
2. 5-axis machining for complex internal geometry in single setup
3. Dedicated tooling maintained for consistent surface finish
4. 100% CMM inspection with geometric dimensioning and tolerancing (GD&T)
5. Complete documentation package including material certs, inspection reports, and process records

Results

• Tolerance Achievement: ±0.01mm — All critical dimensions held within specification
• Surface Finish: Ra 0.8 µm — Consistent finish quality across all production batches
• Documentation Compliance: 100% — Full traceability documentation accepted for regulatory submission
• Reject Rate: <0.5% — Minimal rejects through controlled process and skilled operators

Materials

Aluminium 6061-T6, Aluminium 7075-T651

Capabilities Used

5-Axis CNC Machining, CMM Inspection, Surface Finish Control, Full Traceability