Category Archives: Quality


May21
Managing Color Variation in Plastic Parts: 7 Practical Tips for Better Color Control

post on May 21, 2026

Pantone color guides A few days ago, a reader asked Workingbear about color variation issues between plastic injection-molded parts, and whether there are any good ways to better control color consistency. The problem was probably caused by the purchasing team … Continue reading →

Plastic, Quality     WorkingBear    Views (1,477)     comment (0)

May13
MRB Decision-Making and Cosmetic Quality Evaluation for Plastic Parts

post on May 13, 2026

When Workingbear first joined an electronics final assembly factory as a product/process engineer, I often had to attend MRB (Material Review Board) meetings. From time to time, people would come to me asking me to evaluate rejected parts and decide … Continue reading →

Management, Manufacture, Plastic, Process, Quality     WorkingBear    Views (1,036)     comment (0)

May06
Why Electronics Assembly Factories Need IQC: Three Key Purposes Explained

post on May 6, 2026

In most electronics assembly organizations, there is a function called IQC (Incoming Quality Control). The primary purpose of IQC is to screen incoming materials to ensure they meet drawing specifications, preventing defective parts from directly entering the production line. This helps … Continue reading →

Quality, Role & Responsibility, SPC     WorkingBear    Views (696)     comment (0)
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Apr27
Using Limit Golden Samples to Manage Non-Quantifiable Quality Standards

post on April 27, 2026

In business transactions, both buyers and sellers usually agree on a product specification and acceptance criteria for the items being purchased. These criteria may include things like full functionality, dimensions within tolerance, intact packaging, and no defects in color or … Continue reading →

Process, Quality     WorkingBear    Views (1,728)     comment (0)

Apr22
How to Define Cosmetic Quality Standards for Plastic Parts

post on April 22, 2026

Caption: Cosmetic scratches on plastic parts Before products are put into inventory after final assembly, electronics manufacturing factories always perform quality inspections to ensure product quality. In terms of functional performance, most products go through 100% function testing, so pass/fail … Continue reading →

Plastic, Process, Quality     WorkingBear    Views (1,182)     comment (0)
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