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πŸ“„ 32 articles in total πŸ“… Continuously updated πŸ”₯ Pinned first, then sorted by rating, views and publish date
Advanced Quality & R&D Quality Β· Design Quality Β· DVP/DV/PV & Validation Strategy

Advancing QE Competence (30) | Reliability Verification Testing and Growth Management

1. A "Qualified but Rejected by the Customer" Qualification Test A manufacturing company conducted a reliability qualifi…

Advanced Quality & R&D Quality Β· Design Quality Β· DVP/DV/PV & Validation Strategy

Advancing QE Skills (29) | Practical Weibull Analysis: Predicting Failures Using Lifespan Data

1. Handing Over 5 Failure Points to Software Yields a "Lifespan Conclusion" A batch of electric actuators from a manufac…

Advanced Quality & R&D Quality Β· Design Quality Β· Special Characteristics & Drawing Specifications

What to Do When Three Special Characteristics Lists Don't Match? β€”β€” A Five-Step Method for Compiling and Verifying the SC/CC Master List

The customer requests a special characteristics list. The quality department copies one from the drawings, the design en…

Advanced Quality & R&D Quality Β· Design Quality Β· DVP/DV/PV & Validation Strategy

Advancing QE Skills (28) | Accelerated Life Test Design: Models for Temperature, Humidity, and Vibration

1. Treating 1000 Hours at 125Β°C as "Equivalent to 20 Years" A manufacturing company was conducting a life test for a pro…

Advanced Quality & R&D Quality Β· Design Quality Β· DVP/DV/PV & Validation Strategy

QE Skill Enhancement (27) | Reliability Basics: Failure Rate, MTBF, and the Bathtub Curve

1. How "MTBF 50,000 Hours" Was Misinterpreted as "Can Be Used for Over 5 Years" A manufacturing company participated in …

Advanced Quality & R&D Quality Β· Design Quality Β· Special Characteristics & Drawing Specifications

QE Capability Advancement (26) | Safety and Regulatory Characteristics Management: A Closed Loop from Identification to Monitoring

1. An Expired List for Two Years A certain electronics manufacturing company underwent a customer audit. The auditor did…

Advanced Quality & R&D Quality Β· Design Quality Β· DVP/DV/PV & Validation Strategy

Advancing QE Skills (24) | Design Verification (DV) and Production Validation (PV): How to Design a Valid Test Plan

A car sensor produced by an electronics manufacturing company was questioned by a customer quality engineer during a new…

Advanced Quality & R&D Quality Β· Design Quality Β· DFMEA

Advancing QE Skills (23) | The Synergy of DFMEA and PFMEA: How Design Changes Affect Processes

A wire harness connector produced by an automotive parts company received a batch of complaints about pin withdrawal in …

Advanced Quality & R&D Quality Β· Design Quality Β· Special Characteristics & Drawing Specifications

Unannotated on the Drawing Means No Management? β€”β€” Five Steps for Identifying and Clarifying Unannotated Requirements

1. A Drawing Without Burr Annotations Led to the Loss of Three Batches of Goods A stamping bracket component of an autom…

Advanced Quality & R&D Quality Β· Design Quality Β· Special Characteristics & Drawing Specifications

The CC on the Drawing, but the Operator Doesn't Know β€” A Five-Step Method for Implementing Special Characteristics on the Shop Floor

1. The Question at the Audit Site A certain automotive parts company was undergoing a customer process audit. The audito…

Advanced Quality & R&D Quality Β· Design Quality Β· Special Characteristics & Drawing Specifications

Does a CC on the Drawing Mean Cpk Must Reach 1.67? β€”β€” Grading Requirements for Special Characteristics and the Five-Step Method for Alternative Control

1. The Question at the Audit Table: "What is the Cpk for This CC?" A process audit was conducted at an automotive parts …

Advanced Quality & R&D Quality Β· Design Quality Β· DFMEA

DFMEA Completed, but Verification Plan Starts from Scratch? β€”β€” A Five-Step Approach to Linking Failure Causes to DVP&R

1. DFMEA Filled with Measures, but Sample Verification Only Conducts General Tests A car parts manufacturer discovered a…