The mechanical thickness of the BOBBIN skeleton of the transformer does not match. For example, the thintest meat thickness of the UL test PM-9630 is 0.39mm. If your wall thickness is lower than this thickness, it is reasonable to produce a low pressure. If the amount of mold OK at the time of production, NG in the process may be caused by uneven thickness of the mold due to eccentricity or misalignment of the mold. The main raw materials and characteristics of the transformer n The core is the magnetic medium, that is, the magnetic core. The main material of the coil is the structure of the skeleton transformer. The structure is mainly composed of the core and the coil. Iron (bracket, wire frame) (BOBBIN), wire, insulating film (tape, paper), insulating paint and auxiliary materials

The transformer BOBBIN is a device that converts electromagnetic energy through a core and a winding. The performance of the core material and whether it is selected correctly will determine the performance of the transformer.

Transformer BOBBIN often encounters such problems in the manufacturing process, and specific analysis of specific problems. Some HIPOT failures are often caused by several reasons. To analyze the problem comprehensively, this requires us not only to be succinct The manufacturing technology of this specialty, the characteristics of raw materials, the structure of the mold, the performance of the machine must also understand the manufacturing process of the transformer manufacturer, understand the characteristics of the varnish, the way of encapsulation, etc. to solve the problem more effectively.The mechanical thickness of the BOBBIN skeleton of the transformer does not match. For example, the thintest meat thickness of the UL test PM-9630 is 0.39mm. If your wall thickness is lower than this thickness, it is reasonable to produce a low pressure. If the amount of mold OK at the time of production, NG in the process, may be caused by uneven thickness of the mold due to eccentricity or misalignment of the mold

Poor debugging during molding causes pressure resistance (temperature resistance). Usually these two problems generally occur at the same time, mainly because of the discomfort of the molding parameters. If the temperature of the bakelite mold is too low (too high) or uneven It is possible that the electrical wood is not fully chemically reacted, and the molecular chain is not complete enough to cause poor pressure and temperature resistance. When the injection rate is too low, the product density may be insufficient, resulting in poor pressure and temperature resistance.