πŸ“– Articles

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Concise, actionable knowledge for solving real problems at work

πŸ“„ 56 articles in total πŸ“… Continuously updated πŸ”₯ Pinned first, then sorted by rating, views and publish date
Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· QC Seven Tools (Old Seven)

Inspection Sheets Everyone Can Fill Out, but Data is Always Useless? β€”β€” A Five-Step Design Method to Get the Right Data from the Shop Floor

A plastic injection molding company that supplies casing parts to home appliance clients has seen a steady rise in appearance defe…

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· QC Seven Tools (Old Seven)

Which Nonconforming Items to Address First for Effective Improvement? β€” A Practical Case Study of a Power Supply Company Using a Pareto Chart

A power supply manufacturing company produces switch power supplies for home appliance brands, with three SMT lines and two assemb…

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· 8D & Recurrence Prevention

A Model is Fixed, but Others are Still at Risk? β€”β€” The Five-Step Method for Effective Cross-Model Implementation

A certain automotive parts company supplies two models of a chassis assembly to two OEMs on the same platform, using almost identi…

Continuous Improvement & Problem Solving Β· Error Proofing & Standardization Β· Standard Work (SOS)

Why Are Missing Installations Still Unavoidable Despite Standard Operating Procedures? β€”β€” A Case Study of SOS Poka-Yoke Transformation in an Automotive Parts Company

1. Introduction: Clearly Written, Yet Inconsistently Executed An automotive parts company that supplies components for braking sys…

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· QC Seven Tools (Old Seven)

How Long Have Averages Fooled You? β€” Five Practical Steps of Stratification to Identify the True Source of Problems

1. Why Does the Customer Still Complain When the Nonconforming Rate is 1.8%? In a stamping workshop of an automotive parts company…

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· 8D & Recurrence Prevention

Don't Fill in the "Loss Amount" Arbitrarily in 8D Reports β€”β€” A Five-Step Method for Calculating Problem Losses and Improvement Benefits

Last month, Old Zhou, a quality engineer at an automotive parts company, was thoroughly troubled by an 8D report. The customer com…

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· 8D & Recurrence Prevention

A Loose Bolt Requires an 8D? β€”β€” Five Steps to Problem Grading and 8D Process Tailoring

At 2 a.m., the customer's production line stopped due to a loose positioning bolt. Quality Engineer Xiao Zhou rushed to the scene …

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· QC Seven Tools (Old Seven)

Different Problems, Different Tools β€”β€” A Five-Step Method for Selecting the Right QC Tool

1. Introduction: The Tools Are Not Wrong, the Selection Is A new product trial production at an automotive parts company saw the w…

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· 8D & Recurrence Prevention

Can You Complete 8D in 72 Hours? β€” Practical Management of 8D Time Axis and Milestones

I. Introduction: It's Not That We Can't Do 8D, It's That We Don't Have Enough Time Last month, Old Zhang, the quality manager of a…

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· QC Seven Tools (Old Seven)

Unclear Issues and Entangled Relationships? β€”β€” When and How to Use the New QC Seven Tools, Explained in One Article

The most common awkward situation in quality meetings is not the lack of data, but the fact that even with data plastered all over…

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· 8D & Recurrence Prevention

8D Closed for Three Months, Similar Issues Resurface with a Different Model β€” A Case Study of a Closed-Loop Document Management in an Automotive Parts Company

The quality manager of an automotive parts company has been frustrated recently: a terminal misconnection issue that was reported …

Continuous Improvement & Problem Solving Β· Structured Problem Solving Β· QC Seven Tools (Old Seven)

Histograms Drawn but Ignored? β€”β€” A Five-Step Interpretation Method to Let Data Distribution Speak for You

1. Introduction: Many Can Draw, Few Can Interpret In a machining workshop, the quality engineer compiles the measurement data of k…