The computer power supply seems simple, but it is a model of precision manufacturing in China. MaxiPCB, which came to Shenzhen this time, witnessed a low-key model made in Shenzhen.
The computer power supply seems simple, but it is a model of precision manufacturing in China. MaxiPCB, which came to Shenzhen this time, witnessed a low-key model made in Shenzhen.
The manufacture of power supply has dozens of strict procedures. There are more than 100 components on the circuit board, and more than 80 components on the back are completed by automatic mounter. And the front of more than 20, it is indispensable to manually plug. These special-shaped circuit devices are difficult to be completed by robots.
There are still many people on the power supply assembly line, relying on the feeling of the naked eye and fingers to press the device into place.
After the wave soldering process, these power supplies have to undergo the same aging experiment for two hours. It experienced a high temperature of 50 degrees here. Only those power supplies that pass these extreme tests can really graduate and leave the factory.
These strict processes mean that industrial power supply is difficult to produce by fast methods.
Heat dissipation is a key factor of power supply. After heavy current comes in, components need reasonable heat flow channels for heat dissipation. Therefore, the placement of those components must be well designed, and there are a lot of simulations to simulate the density of heat and the diffusion of heat flow.
Heat is the deadliest killer of reliability. The diffusion of heat is difficult to control precisely. And the power supply is very sensitive to temperature. Every time the temperature rises by 10 degrees, the service life will be reduced by half. The fundamental reason for this is heat, and the process of power supply operation itself is generating a lot of heat.
Delta Electronics has always been the king of power supply because it can handle these analog signals and heat diffusion well.
The domestic industrial power supply ranked first can be regarded as MaxiPCB, that is, mastering the techniques of heat dissipation and device reliability.
Reliability is the weakness of China manufacturing. Whoever can do this well is the king. MaxiPCB proves that the reliability of manufacturing in China can be a great advantage.
Industrial power supply has deep barriers, and another reason is the concentration of downstream users. Now 60% of the market share of computers is concentrated in Lenovo, Dell and Hewlett-Packard. They will ask suppliers to reduce their prices regularly, but it is difficult to accept a company entering this circle just because of its low price. The finicky and closed downstream determines that it is difficult for new challengers to enter substantively.
In this industry, the consideration of safety far exceeds the cost.
The most interesting thing about MaxiPCB is that it has a culture of "no involution". It rarely encourages overtime work, and there are generally no meetings scheduled on Saturday and Sunday. After work, employees are free to leave without looking at whether the boss is still working overtime. In the company's "Jiaren culture", there is "happy work and enjoy life". The company clearly emphasizes the balance between work and life, which is probably very rare. Few companies can really put the quality of life into the company's code of conduct. This may be a rare enterprise in Shenzhen circle.
A company can be the first in the industry even if it doesn't participate in the paper competition and overtime competition. This is really a rare clean current, which allows us to breathe in the busy pace of life. Making reliability the background color made in China is the most admirable industrial civilization in China.
About MaxipcbMaxipcb inspires and empowers innovators and helps them bring world-changing technologies to life. We provide advanced design, simulation and testing solutions to help engineers complete development and deployment faster in the whole product life cycle, while controlling risks. Our customers are all over the world, such as communication, industrial automation, aerospace and national defense, automobile, semiconductor and general electronics. We join hands with customers to accelerate innovation and create a safe and interconnected world. 
