ABOUT US
Jiande Ludaer Electrical Equipment Co.,Ltd It focuses on improving the operation and maintenance efficiency and service quality of existing commercial office buildings, builds a compliant building operation and maintenance SaaS service platform with the latest technologies such as IOT Internet of things, big data, artificial intelligence and cloud computing, maximizes the operation and maintenance efficiency through the unique online and offline combination mode, connects all services through the unified online service entrance, and forms a closed-loop service standard offline.
-
Ten years of sharpening a sword, the style and hidden worries of the electronics industry
Due to the impact of the international financial crisis, the electronics industry became the most affected industry in the national economy in 2009, with the total operating income yoy and operating profit yoy falling to 8.51% and -74.09% respectively.
넶10 2022-06-10
-
How to control reflow soldering quality?
Reflow soldering process is to realize the mechanical and electrical soldering between the solder end or pin of surface assembled components and the PCB pad by remelting the paste solder pre allocated to the PCB pad.
넶11 2022-06-10
-
What damage will be caused to the bearing if the use method is incorrect?
The countermeasures taken are to ensure that the bearing is installed in place or to change the free side bearing outer ring fit to clearance fit, so as to compensate the bearing when the bearing is overloaded.
If the installation cannot be ensured in place, the direct contact of the bearing can be reduced by increasing the oil film thickness of the lubricant (increasing the viscosity of the lubricant) or reducing the load of the bearing.넶5 2022-06-10
NEWS