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📄 681 articles in total 📅 Continuously updated 🔥 Pinned first, then sorted by rating, views and publish date
Quality Management System · System Framework & Standards · IATF 16949 / AS9100 Industry System Highlights

IATF16949 Practical Application (20) | Division of Three-Level Audits: Boundaries, Scoring, and Integration of System Audit, VDA6.3 Process Audit, and Product Audit

A company's annual internal audit has just concluded, and three reports are on the quality manager's desk: the system au…

Six Sigma & Statistical Quality · Measurement & Inspection · MSA & Traceability

Which to Improve: Repeatability or Reproducibility — A Cost-Benefit Analysis of Two Paths to Compress GR&R

When GR&R reaches 28%, the first suggestion at the review meeting is usually to "measure each piece twice more and take …

Digital Quality & Data Intelligence · Data & Intelligence Application · Visual Inspection & SPC Integration

Advancing QE Skills (35) | Verification and Misjudgment Management of Online Automatic Inspection

A visual inspection device was installed on the assembly line of an automotive parts company to detect incorrect assembl…

Quality Management System · System Framework & Standards · IATF 16949 / AS9100 Industry System Highlights

IATF16949 Practical Application (19) | Identification of COP/SP/MP Processes: Process List, Clause Coverage Matrix, and Turtle Diagram Step-by-Step Evaluation

On the second day of an initial IATF certification audit for a company, the auditor requested to review warranty analysi…

Business & Enterprise Operations · Cost & Resource Management · Cost of Quality (COQ)

Missing a Line on the Quotation Means Paying for the Customer — Four Types of Quality Cost Allocation Benchmarks and Calculation Examples

In the quotation meeting room, the cost sheet is typically laid out as follows: materials, labor, manufacturing overhead…

Quality Management System · System Framework & Standards · IATF 16949 / AS9100 Industry System Highlights

IATF16949 Practical Guide (18) | Certification Rules in Practice: Three-Year Cycle Timeline, Audit Person-Days Calculation, and Nonconformity Time Limits

A company's quality director was caught off guard during a new project bidding process with a client. The client's procu…

Six Sigma & Statistical Quality · Statistical Process Control · Control Chart Selection & Out-of-Control Analysis

Are More Out-of-Control Rules Always Better? — With All Eight Rules Enabled, False Alarm Intervals Shrink from 370 to 85 Points

Control chart software defaults to enabling all eight out of control rules, which may seem very "rigorous." However, eac…

Business & Enterprise Operations · Cost & Resource Management · Cost of Quality (COQ)

Why Some Customers Lead to Losses — Allocating Quality Costs by Customer and the Five-Step Decision-Making Method

The monthly quality cost report is out: the COQ across the entire factory is 3.1% of sales, a 0.4 percentage point decre…

Measurement, Inspection & Lab · Inspection System · Full Inspection & Sampling Decisions

Advancing QE Skills (34) | Decision-making for 100% Inspection and No Inspection: A Quantitative Balance of Cost and Risk

A certain electronics assembly company has been continuously complained to by customers for "missed inspections" over th…

Industry & Scenario Practices · Industry Focus · Automotive, Medical, Electronics, Food, Equipment Clauses & Practices

Practical IATF 16949 (17) | Comparison of Clauses between IATF 16949 and ISO 9001: Comprehensive List of Additional Requirements and Implementation Vehicles

A car parts company received a secondary supplier order from a major automaker, with the client requiring the company to…

Six Sigma & Statistical Quality · Statistical Process Control · Process Capability Cpk / Ppk

Cpk 1.35 and You Dare to Approve? —— Confidence Lower Limit and Minimum Sample Size Table

A certain automotive parts factory submitted a new project process capability report to the original equipment manufactu…

Digital Quality & Data Intelligence · QMS/QES Digitalization · Electronic Processes & Records

QM Management Depth (32) | Digital Quality Transformation: QMS System Selection and Implementation

A certain automotive parts company has an annual output value of 800 million yuan, with three factories and 1,200 employ…