【44】Fully Automatic Gel Injection + Vacuum Extraction Process: The Ultimate Weapon for The "reliability Competition" of Inductor Coils

【44】Fully automatic gel injection + vacuum extraction process: The ultimate weapon for the "reliability competition" of inductor coils

In the high-end inductor manufacturing field, the combination of fully automatic gel injection and vacuum extraction technology is no longer just a simple technological upgrade; it is a redefinition of product reliability standards. While the vast majority of peers are still relying on the hands-on skills of experienced workers for manual gel injection, this proprietary technology is quietly delineating the grade boundaries of inductor coils with an overwhelming level of quality consistency.

However, the tacit reality within the industry is that the "empiricism" of manual gel injection is becoming the greatest隐患 for product reliability. Whether the hands of the master workers are steady or not， and whether their moods are good or not， can all affect the uniformity and filling rate of the gel; invisible bubbles and micropores, which are hard to detect with the naked eye， become "time bombs" for the coil to short-circuit in a humid environment. More seriously， as the lifespan requirements for inductors in automotive electronics， industrial control and other fields have been raised to over 10 years， this manual process mode has left a large number of enterprises in an awkward situation of "samples pass， but batch production is out of control".

The transformation experience of a certain new energy vehicle charging station supplier in Guangdong is highly persuasive. They once suffered from batch failures of inductors in high-temperature and high-humidity tests， resulting in the return of the entire batch of orders by the end-vehicle manufacturers. After introducing our fully automatic gel injection and vacuum extraction proprietary technology， the product's lifespan from 85℃/85%RH conditions increased from the original 500 hours to over 3000 hours， and it also passed the AEC-Q200 certification for automotive electronics. It is worth noting that they once tried to purchase imported gel injection machines but failed to solve the problem. Eventually， they discovered that "vacuum extraction process" was the key to eliminating bubbles.

Our ability to "be the second in China" is based on an understanding of the essence of the gel injection process. Fully automatic gel injection ensures the absolute consistency of each product's gel volume， position and speed， while the unique vacuum extraction technology conducts two rounds of vacuum treatment before and after gel injection， completely eliminating tiny bubbles inside the coil frame and in the gel. This combined process reduces the product's porosity to below 0.01%， which is an achievement that neither manual gel injection nor ordinary automatic gel injection can reach.

When reliability becomes the bottom line， the process must become the faith. Fully automatic gel injection + vacuum extraction process ensures that each inductor can withstand extreme environments.