Introduction to cnFans QC Framework
The cnFans Quality Control (QC)
Core Inspection Categories
- Dimensional Accuracy
Tolerance thresholds are specified for all critical measurements, with acceptable deviations clearly marked in either metric or imperial units.
- Material Compliance
Excel validation cells force binary confirmation of material certificates (RoHS, REACH) with conditional formatting flagging non-compliant entries.
- Functional Testing
Dropdown menus categorize test results as:
Code Description PASS All functions operational NTT Needs technical tuning (+disposition notes) FAIL Critical malfunction - Cosmetic Standards
Visual inspection criteria reference master samples through hyperlinked images in spreadsheet comments.
Data Recording Protocol
- Timestamps auto-generate upon workbook opening
- Mandatory fields highlighted in yellow
- Three-level approval system:
- Operator (green border cells)
- Supervisor (blue border cells)
- QA Manager (red border cells)
Exception Handling
The spreadsheet includes embedded macros for NCR (Non-Conformance Report)