Design and Maintenance of LED Digital Displays

Design and Maintenance of LED Digital Displays

“Guangdong LED” MagazineLeading Media in the LED Industry Inscription by Song Hai, former Vice Governor of Guangdong Province, managed by the Provincial Department of Science and Technology, co-hosted by the Provincial Semiconductor Lighting Industry Joint Innovation Center, the Provincial Semiconductor Light Source Industry Association, and the Shenzhen LED Industry Association (5A Class). With the rapid … Read more

Techniques for Wiring and Fault Diagnosis of Elevator Bus-Type Intercom

Techniques for Wiring and Fault Diagnosis of Elevator Bus-Type Intercom

This article is dedicated to those who are overwhelmed by too many messy wires and don’t know what to do… The five-party intercom is one of the emergency rescue features of elevators, and it is a mandatory inspection item during elevator installation acceptance and annual inspections. In our community, the intercom between the car and … Read more

How to Replace Industrial Sewing Machine Blade

How to Replace Industrial Sewing Machine Blade

10,000 manuals 5,000 maintenance materialsfree to view Scan the QR code below to view! Yesterday’s Headlines How to Disassemble and Assemble the Energy-saving Motor of a Sewing Machine Exciting Articles You Might Have Missed What to do about the Jack A4 electronic control error E08?Using robotic arms to replace manual edge stitching, does this mean … Read more

Adjustment of 737NG Flap Position Sensor

Adjustment of 737NG Flap Position Sensor

Working Principle The FSEU controls the flap position indicator (gauge) based on data from the flap position sensors. The data from the sensors serves as input values for flap asymmetry. When the angle difference (scissor difference) between the two flap position sensors exceeds 9°, it triggers a flap asymmetry alert. The flap position sensor is … Read more