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📄 31 articles in total 📅 Continuously updated 🔥 Pinned first, then sorted by rating, views and publish date
Advanced Quality & R&D Quality · Process Development & Approval · PFMEA

In PFMEA, Should "Inspection" Always Result in a Lower Score for Detection (D)? —— A Five-Step Method for Correctly Assessing and Correcting Detection Scores

When the PFMEA for a steering bracket at an automotive parts factory was submitted to the client, the severity and occur…

Advanced Quality & R&D Quality · Process Development & Approval · PFMEA

Does Every New Project Start FMEA from Scratch? —— Five Steps to Establish and Reuse Baseline FMEA (Family FMEA)

When a new project is launched, the client demands the PFMEA to be submitted within two weeks. Quality engineers typical…

Advanced Quality & R&D Quality · Process Development & Approval · Control Plan (CP)

Why Do People Always Fill in "Product Characteristics" and "Process Characteristics" Incorrectly in Control Plans? —— A Five-Step Method to Align the Two Columns

During a customer audit at an automotive parts factory, the auditor pointed to a control plan for a welding process and …

Advanced Quality & R&D Quality · Process Development & Approval · PPAP & Process Approval

Customer Grants "Temporary Approval" and Production Lines Go Full Throttle? — Decoding Conditions of PPAP Temporary Approval and the Five-Step Method for Closing the Loop

A certain automotive parts company received a new project. The status column of the PSW read "Temporary Approval Interim…

Advanced Quality & R&D Quality · Process Development & Approval · PPAP & Process Approval

23 Specifications, 23 Sets of PPAP? —— Five-Step Method for Family Part Submission and Representative Part Selection

A hardware supplier provides 23 different specifications of pins to the same customer, with varying hole diameters and l…

Advanced Quality & R&D Quality · Process Development & Approval · Control Plan (CP)

Control Plan Looks Good, but the Shop Floor Still Follows Old Habits? —— Five Steps to Drive Layered Process Audit (LPA) with the Control Plan

A plastic injection molding workshop produces an automotive interior component. The control plan CP is well written: a c…

Advanced Quality & R&D Quality · Process Development & Approval · PFMEA

Is Your PFMEA Beautifully Written, but the Production Line Doesn't Match? — The Five-Step Method of Reverse FMEA

An auditor from a customer of an automotive parts company stood for five minutes at a welding station and asked two ques…

Advanced Quality & R&D Quality · Process Development & Approval · PFMEA

Replacing RPN with AP: Why Prioritizing Actions Became More Confusing? — Five Steps to Implement FMEA Action Priority

After a car parts factory updated its FMEA, it changed the "RPN" column to the "AP" column. The first cross functional r…

Advanced Quality & R&D Quality · Process Development & Approval · PPAP & Process Approval

PPAP File Package Complete, but the Production Line Can't Keep Up? —— Five Steps for Capacity Verification (Run@Rate)

A certain automotive parts company submitted a PPAP, and the file package passed on the first attempt: 18 items were com…

Advanced Quality & R&D Quality · Process Development & Approval · PPAP & Process Approval

Can PPAP Be Submitted with a Ppk of Only 0.83? —— Five-Step Method for Sampling and Judging Initial Process Studies

A machining company submitted its PPAP, which was returned the next day with the client's sole reason: "The sampling for…

Advanced Quality & R&D Quality · Process Development & Approval · PPAP & Process Approval

Dare You Sign Off on a Supplier's PPAP Blindly? —— Five Steps for Client-Side Acceptance Review and Release Decision

1. The Cost of Blind Signing: A Smooth Approval Followed by a Major Failure An electronics company supplies components t…

Advanced Quality & R&D Quality · Process Development & Approval · PPAP & Process Approval

PPAP Approved and Archived? —— Five Steps to Maintain and Resubmit PPAP Post-Production

1. A PPAP Approved for Three Years, Revealing Eleven Issues During Customer Audit A Tier 1 automotive interior functiona…