construction quality control

Mobilization Meeting for the 101C Maintenance at Xijiang Power Plant Held by Yunfu Company

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Mobilization Meeting for the 101C Maintenance at Xijiang Power Plant Held by Yunfu Company

Meticulous Inspection and Quality Maintenance Ensuring Safe and Efficient Power Supply The 101C maintenance at Xijiang Power Plant has officially commenced! On September 23, Yunfu Company held a mobilization meeting for the 101C maintenance at Xijiang Power Plant, attended by over 60 participants including Deputy General Manager Li Yundong, department heads, and representatives from maintenance … Read more

Key Recommendations: Quality Evaluation of Traditional Chinese Medicine Based on New Sensor Technologies

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Key Recommendations: Quality Evaluation of Traditional Chinese Medicine Based on New Sensor Technologies

Click the blue text to follow us Original article reprinted: Key Recommendations: Quality Evaluation of Traditional Chinese Medicine Based on New Sensor Technologies Quality control in the production process of traditional Chinese medicine (TCM) is a priority and key development area in TCM scientific research. The development of a new generation of quality control technologies … Read more

Analysis of LCD Screen Ghosting Phenomenon: Understanding, Recognition, and Scientific Prevention

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Analysis of LCD Screen Ghosting Phenomenon: Understanding, Recognition, and Scientific Prevention

Ghosting is generally divided into two types: short-term ghosting (temporary ghosting) and long-term ghosting (permanent ghosting, also known as “burn-in”). They have different causes and properties, and understanding their differences helps us respond more scientifically. Short-term ghosting: a reversible ion accumulation phenomenon, is a normal physical occurrence that can happen on all LCD screens and … Read more

Basic Knowledge and Application Scenarios of AOI in PCB Manufacturing

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Basic Knowledge and Application Scenarios of AOI in PCB Manufacturing

Wherever there is electricity, printed circuit boards (PCBs) are needed. 1. Definition of AOI The full name of AOI is Automated Optical Inspection, which translates to 自动光学检测 in Chinese. It is a high-speed, high-precision device that uses optical principles, high-resolution cameras, and precision motion control systems to automatically detect various defects on printed circuit boards … Read more

Depth Control Technology for PCB Countersunk Holes: Precision Processes and Quality Improvement Solutions

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Depth Control Technology for PCB Countersunk Holes: Precision Processes and Quality Improvement Solutions

The Importance of Depth Control for Countersunk Holes A countersunk hole is a common PCB hole structure, with a larger diameter at the top and a smaller diameter at the bottom, forming a funnel-like shape. This structure is primarily used for screw fastening, allowing the screw head to be fully embedded within the PCB, preventing … Read more

Sharing Insights: Reliability Verification of PCBA-SMT-AOI Visual Inspection Equipment

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Sharing Insights: Reliability Verification of PCBA-SMT-AOI Visual Inspection Equipment

Essential insights! Download the complete courseware of “Introduction to Intelligent Manufacturing” (405 pages)! (Click the above blue text to obtain learning materials!) With the automation of surface mount technology (SMT) in electronic integrated circuits and the development of unmanned factories, the reliability and verification maintenance of visual inspection equipment have become increasingly crucial. The types … Read more

Precision Inspection Equipment Management: Quality Control Strategies for SMT, SPI, AOI, and X-Ray

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Precision Inspection Equipment Management: Quality Control Strategies for SMT, SPI, AOI, and X-Ray

In modern electronic manufacturing, SMT (Surface Mount Technology), SPI (Solder Paste Inspection), AOI (Automated Optical Inspection), and X-Ray inspection equipment have become key tools for ensuring product quality. The management level of these precision devices directly determines the stability and reliability of product quality. How can we effectively manage these inspection devices to ensure they … Read more

Causes and Solutions for Uncured Ink in PCB Manufacturing

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Causes and Solutions for Uncured Ink in PCB Manufacturing

In PCB manufacturing, the correct application and curing of ink play an indispensable role in protecting circuits, identifying component positions, and enhancing product aesthetics. However, during actual production, various factors may lead to uncured ink, which not only affects the appearance quality of the PCB but may also pose serious electrical hazards for subsequent assembly … Read more

Do You Cut Excess Pins After Soldering Components on PCBA?

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Do You Cut Excess Pins After Soldering Components on PCBA?

Today, while in production, I suddenly thought of an interesting topic that might spark controversy and complaints among many production engineers! However, I would still like to hear everyone’s opinions! Do you “cut the pins”? This means, do you cut the long pins of the component? Everyone will surely say, aren’t you stating the obvious? … Read more

MultiQC: The Ultimate Solution for Bioinformatics Quality Control Reports

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MultiQC: The Ultimate Solution for Bioinformatics Quality Control Reports

“In the world of bioinformatics, data quality is the lifeline” — When faced with sequencing data from hundreds of samples, how can we quickly generate unified, aesthetically pleasing, and interactive quality control reports? MultiQC is becoming an essential tool for bioinformatics engineers! 📋 Table of Contents • 🎯 Introduction: Pain Points in Bioinformatics Quality Control … Read more