DFR Methods Survey 2014
 

DFR Methods Survey 2014

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A discussion checklist for use when conducting a reliability program assessment.

A discussion checklist for use when conducting a reliability program assessment.

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DFR Methods Survey 2014 DFR Methods Survey 2014 Document Transcript

  • DFR Methods Survey 2014 Scoring: 4 = 100%, top priority, always done 3 = >75%, use normally, expected 2 = 25% - 75%, variable use 1 = <25%, only occasional use 0 = not done or discontinued - = not visible, no comment Management: q Goal setting for organization q Priority of quality & reliability improvement q Management attention & follow up (goal ownership) Design: q Documented hardware design cycle q Goal setting by product or module q Priority of Q&R vs performance, cost, schedule q Design for Reliability (DFR) training q Preferred technology selection/standardization q Component qualification testing q OEM selection & testing to equal internal requirements q Fault Tree Analysis/Reliability Block Diagrams (FTA/RBD) q Failure/root cause analysis q Statistically-designed engineering experiments q Accelerated Stress/Life Testing (ALT) q Design & derating rules q Design reviews/design rule checking q Finite Element Analysis (FEA) or simulations q Failure rate estimation/prediction q Thermal design & measurements q Design tolerance analysis q Failure Modes & Effects Analysis (FMEA) q Environmental (design margin) testing q Highly accelerated life testing (HALT) q Physics of Failure analysis q Lessons-learned database q Design Defect Tracking (DDT) q Ownership of quality & reliability goals Manufacturing: q Design for manufacturability (DFM) q Priority of Q&R vs schedule & cost q Quality training programs q Statistical Process Control (SPC/SQC) q Total Quality Management (TQM) q Internal process audits (written reports) q Vendor (& OEM) process audits q Incoming inspection/sampling q Component burn-in q Assembly-level environmental stress screening (ESS) q Product-level environmental stress screening (ESS) q Defect Detection & Tracking (DD&T) q Corrective Action Reports q Ownership of quality & reliability goals