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Brief analysis of the gelling process of high-voltage motor
source：未知 time：2024-12-25 09:52nbsp; click：
The loose-embedded winding is formed while being embedded during the embedding process, and then the end of the winding is formed when it is completely inserted into the iron core. However, there is no shaping process during the embedding process of the coil. Even if there is, it is only a small-scale directional fine-tuning, so the forming of the coil is very important to ensure that the coil meets the requirements after being embedded in the iron core. In order to improve the processing efficiency and quality of the coil, qualified motor manufacturers choose active molding processes to make the consistency of the coil very good. Just enter the coil parameters and everything will be OK. Gelation is a special process for insulating electromagnetic wires with glue. The gelling process is to melt the glue in the insulation by heating, and then make the turns adhere to each other, which can solidify the wire harness and enhance the vibration resistance of the motor.
The winding uses adhesive insulated electromagnetic wire. If the adhesive insulated electromagnetic wire is left for too long, it may fail. The most direct impact is that the glue coating process cannot achieve mutual adhesion. Therefore, in the production and processing of high-voltage motor accessories, the collection of electromagnetic wires must be quantified to prevent unnecessary waste. Gelation describes that at a certain temperature, the solvent-free coating changes from a viscous liquid to an elastic gel, and its properties also undergo a sudden change. This phenomenon is called gelling. When the gel first appears, the gel is composed of two molecules with different structures. It is a polymer with a network structure that is insoluble in water, so it is called a gel.
The other is a sol with a smaller molecular weight, which is wrapped in the network structure of the gel. Under the action of temperature, the gel continues to react, the sol part gradually decreases, the gel part gradually increases, the elasticity and resistance of the adduct are enhanced, and finally a cured product is obtained. Gel is a state in which the polymer does not melt when the temperature rises to the decomposition temperature of the polymer and is insoluble in various solvents. The degree of reaction when the gel appears is called the gel point. When processing thermoplastic resin compositions, conditions should be strictly controlled to prevent gelation. In the processing of thermosetting resins, the gel point is an important parameter in process control, which can be determined experimentally or calculated theoretically. In the cross-linking progressive polymerization reaction, as the polymerization reaction proceeds, the viscosity of the system suddenly increases, the fluidity is lost, and the bubbles generated during the reaction and mixing process cannot be significantly generated from the insoluble polymer in the system. The degree of reaction during gelation is called the gel point. The gelation phenomenon when the system is divided into two parts:
(1) Gel: huge network structure, insoluble in any solvent;
(2) Sol: molecules are wrapped in the network structure and can be dissolved and extracted. Gelation during the polymerization process is a sign of polymer cross-linking.
Ex D Motor, Ex DII BT4 Motor, Ex DII CT4 Motor
The winding uses adhesive insulated electromagnetic wire. If the adhesive insulated electromagnetic wire is left for too long, it may fail. The most direct impact is that the glue coating process cannot achieve mutual adhesion. Therefore, in the production and processing of high-voltage motor accessories, the collection of electromagnetic wires must be quantified to prevent unnecessary waste. Gelation describes that at a certain temperature, the solvent-free coating changes from a viscous liquid to an elastic gel, and its properties also undergo a sudden change. This phenomenon is called gelling. When the gel first appears, the gel is composed of two molecules with different structures. It is a polymer with a network structure that is insoluble in water, so it is called a gel.
(1) Gel: huge network structure, insoluble in any solvent;
(2) Sol: molecules are wrapped in the network structure and can be dissolved and extracted. Gelation during the polymerization process is a sign of polymer cross-linking.
Ex D Motor, Ex DII BT4 Motor, Ex DII CT4 Motor
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