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Intograted moulding technology of mutual inductor

A technology combining transformer and molding process, applied in the direction of household components, household appliances, other household appliances, etc., can solve the problems of product scrap, easy degumming and water ingress, inaccurate product measurement, etc., to prevent surface flashover, simple and practical Benefit, the effect of increasing the service life

Inactive Publication Date: 2009-11-04
余金松
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Problems solved by technology

The disadvantages of the existing technical process are: long-term use, easy degumming and water ingress, resulting in inaccurate product measurement and scrapped products

Method used

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  • Intograted moulding technology of mutual inductor

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with accompanying drawing:

[0010] The integral molding process of this combined transformer mainly includes the following steps: After the inner casting body is poured, it enters a mold for one-time molding, and uses liquid two-component silicone rubber, which is injected into the mold cavity by liquid pressure to perform one-time molding. The inner casting body is encapsulated, heated and vulcanized to form a combined transformer; the raw material is two-component liquid silicone rubber with a hardness of 20 and 50 in the Dow Corning liquid silicone rubber LC 2004 series (LC 2004 series liquid silicone rubber is provided by 7 high-transparency formulas with different hardness ranges from 20 to 80, the present invention selects two of them, and the experimental data proves that the performance index is better after the liquid two-component silicone rubber with these two hardnesses is mixed in proporti...

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Abstract

The invention relates to an integral molding process of a combined transformer, which mainly includes the following steps: After the inner casting body is poured, it enters a mold for one-time molding, and the liquid two-component silicone rubber is used to inject it into the mold cavity by using liquid pressure. Carry out one-time encapsulation of the inner casting body, and heat vulcanization to form a combined transformer; the raw material is two-component liquid silicone rubber with a hardness of 20 and 50 in the Dow Corning liquid silicone rubber LC 2004 series. In the case of fully enclosed, the combined mixing is carried out at a weight ratio of 1:0.9. The beneficial effects of the present invention are: 1. Compared with the original process, the waste of raw materials is reduced; 2. The service life of the product produced by the original process is increased by 30 years; 3. It is proved by experiments that the two-component liquid silicone rubber has many outstanding advantages. And characteristics, such as not easy to deform under extreme temperature, still very stable under long-term exposure to strong ultraviolet radiation, better bonding and sealing, effectively preventing surface flashover.

Description

technical field [0001] The invention relates to a forming process, in particular to an integral forming process of a combined transformer. Background technique [0002] The current combined transformer production process is to use sheet-shaped silicone rubber to stick on the inner casting body after the inner casting body is poured. The disadvantages of the existing technical process are: long-term use, easy degumming and water ingress, resulting in inaccurate product measurement and scrapped products. Contents of the invention [0003] The present invention aims to solve the above-mentioned shortcomings of the prior art, and provides an integral molding process of combined transformers. [0004] The technical solution adopted by the present invention to solve its technical problems: the integral molding process of this combined transformer mainly includes the following steps: after the inner casting body is poured, it enters a mold for one-time molding, and adopts liquid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/14B29C45/76B29B11/06B29K19/00B29L31/00
Inventor 余金松
Owner 余金松
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