Fabrication method of compound mica tape and mica tape

A composite mica and production method technology, applied in the direction of mica, organic insulators, insulators, etc., can solve the problems of increasing the production cost of enterprises, increasing the thickness of mica tape, wasting a lot of manpower and material resources, and achieving reasonable design, thinning insulation thickness, The effect of easy operation

Active Publication Date: 2013-03-20
CHINA RAILWAYS CORPORATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The technical problem to be solved by the present invention is: existing mica tape production technology exists to make complex, especially in the mica tape production process, compound process needs to waste a

Method used

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  • Fabrication method of compound mica tape and mica tape

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Embodiment 1

[0047] See attached figure 1 , The key technology of the compound-free mica tape provided by the present invention is to omit the compound process, directly dope the reinforcing fiber 2 in the mica pulp, and then make paper. The mica paper is made of muscovite, and the reinforcing fiber is made of aramid fiber.

Embodiment 2

[0049] The mica paper in this embodiment is made of phlogopite. The rest are similar to those in Example 1, and will not be described in detail herein.

Embodiment 3

[0051] The reinforcing fiber in this embodiment is made of polyester fiber. The rest are similar to those in Example 1, and will not be described in detail herein.

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Abstract

The invention discloses a fabrication method of a compound mica tape. The method is characterized in that 2%-15% reinforced fiber is directly added in the conventional fabrication process of mica paper, and the reinforced fiber is directly doped with the mica paper, so that the fabricated mica tape can be used and is not required to be compounded with a reinforced layer. The method is easy and simple to operate and requires no compound procedure, an insulation effect of the traditional mica tape can be achieved by directly doping the reinforced fiber with the mica paper, the isotropy of electric insulating properties after once molding of the reinforced fiber and the mica paper is ensured, and the insulation thickness of the mica tape is reduced.

Description

technical field [0001] The invention relates to a mica tape manufacturing method and its products, in particular to a mica tape manufacturing method without compounding and the mica tape. Background technique [0002] Mica tape is the most irreplaceable and critical insulating material for motors, especially large motors and high-voltage motors. Traditional mica tape is a strip formed by bonding reinforcing materials and mica paper with adhesives and cutting them together. Insulation Materials. The composite process in the mica tape manufacturing process not only requires special winding composite equipment, but also increases the production process and time, and the multi-layer composite structure of mica paper plus reinforcing material increases the insulation thickness of the mica tape and reduces the mica content. Therefore it is necessary to improve. [0003] Through the patent literature search, no mica tapes that do not need to be compounded have been found. There a...

Claims

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Application Information

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IPC IPC(8): H01B19/00H01B17/60H01B3/04H01B3/48
Inventor 陈红生梁巧灵梁西川唐畅朱菲菲
Owner CHINA RAILWAYS CORPORATION
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