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Manufacturing process of high-filling easy-to-cut iron-based amorphous nanocrystalline alloy iron core

A nanocrystalline alloy and iron-based amorphous technology, which is applied in the field of iron core processing, can solve the problems that the polymer resin glue is not easy to fill up, and the amorphous/nanocrystalline alloy debris is generated, so as to achieve easy cutting, easy manufacturing, Efficient effect

Active Publication Date: 2020-04-24
NEW MATERIALS TECH JIANGSU AMORPHD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the thin strip gap of the iron-based amorphous / nanocrystalline alloy core is very small, usually only a few microns, the polymer resin glue is not easy to fill.
If it is not fully filled, it is possible to generate amorphous / nanocrystalline alloy chips when cutting

Method used

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  • Manufacturing process of high-filling easy-to-cut iron-based amorphous nanocrystalline alloy iron core
  • Manufacturing process of high-filling easy-to-cut iron-based amorphous nanocrystalline alloy iron core
  • Manufacturing process of high-filling easy-to-cut iron-based amorphous nanocrystalline alloy iron core

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Experimental program
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Effect test

specific Embodiment

[0034] Specific embodiment (1): obtain a ring-shaped iron core through conventional processes such as smelting, spraying amorphous thin strips, winding, vacuum annealing, and its size is 47 / 77 / 28 (inner diameter 47mm, outer diameter 77mm, height 28mm), mass m 1 is 459.196 grams;

[0035] S2. Put the iron core in S1 into the working room. The working room is a cylindrical container with a size slightly larger than the iron core. Add polymer resin glue, epoxy resin is used for the polymer resin glue, and the iron core is immersed, and the iron core is immersed in the polymer resin glue for 2cm.

[0036] S3. Put the working room together with the iron core and epoxy resin into the high-speed centrifuge of the supergravity machine. The supergravity machine is a high-speed centrifuge with a large material barrel. Rotate for 5min;

[0037] S4, take out the studio, pour out the remaining polymer resin glue, and take out the iron core;

[0038] S5. Place the iron core on a flat wo...

specific Embodiment ( 2

[0042] Specific embodiment (two): obtain a ring-shaped iron core through conventional processes such as smelting, spraying amorphous thin strips, winding, vacuum annealing, and its size is 47 / 77 / 28 (inner diameter 47mm, outer diameter 77mm, height 28mm), mass m 1 is 459.192 grams;

[0043] S2. Put the iron core in S1 into the working room. The working room is a cylindrical container with a size slightly larger than the iron core. Add polymer resin glue, epoxy resin is used for the polymer resin glue, and the iron core is immersed, and the iron core is immersed in the polymer resin glue for 3cm.

[0044] S3. Put the working room together with the iron core and epoxy resin into the high-speed centrifuge of the supergravity machine. The supergravity machine is a high-speed centrifuge with a large material barrel. Rotate for 8min;

[0045] S4, take out the studio, pour out the remaining polymer resin glue, and take out the iron core;

[0046] S5. Place the iron core on a flat ...

specific Embodiment ( 3

[0050]Specific embodiment (three): obtain an annular iron core through conventional processes such as smelting, spraying amorphous thin strips, winding, vacuum annealing, and its size is 47 / 77 / 28 (inner diameter 47mm, outer diameter 77mm, height 28mm), mass m 1 is 459.198 grams;

[0051] S2. Put the iron core in S1 into the working room. The working room is a cylindrical container with a size slightly larger than the iron core. Add polymer resin glue, epoxy resin is used for the polymer resin glue, and the iron core is immersed, and the iron core is immersed in the polymer resin glue for 2.5cm.

[0052] S3. Put the working room together with the iron core and epoxy resin into the high-speed centrifuge of the supergravity machine. The supergravity machine is a high-speed centrifuge with a large material barrel. Rotate for 10min;

[0053] S4, take out the studio, pour out the remaining polymer resin glue, and take out the iron core;

[0054] S5. Place the iron core on a flat...

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Abstract

The invention discloses a manufacturing process of a high-filling easy-to-cut iron-based amorphous nanocrystalline alloy iron core. The manufacturing process is characterized by comprising the following steps of S1 obtaining an annular iron core through conventional processes such as smelting, amorphous thin strip spraying, winding, vacuum annealing and the like; S2 putting the iron core in the step S1 into a working chamber which is a cylindrical container with the size slightly larger than that of the iron core, adding a macromolecule resin adhesive, and immersing the iron core; S3 putting the working chamber together with the iron core and the macromolecule resin adhesive into a high-speed centrifugal throwing cylinder of a supergravity machine, setting the supergravity acceleration tobe 800 to 3000g, and then performing high-speed rotation for 3 to 10 min; S4 taking out the working chamber, pouring out the residual macromolecule resin adhesive, and taking out the iron core; and S5placing the iron core on a flat workbench for 24 to 48h at the room temperature to obtain the needed iron core . Compared with the prior art, the manufacturing process has the advantages that supergravity impregnation is adopted for replacing vacuum impregnation, and thin strip gaps of the iron-based amorphous nanocrystalline alloy iron core can be better filled with the macromolecule resin adhesive.

Description

technical field [0001] The invention relates to the field of iron core processing, in particular to a manufacturing process of a highly filled and easy-to-cut iron-based amorphous nanocrystalline alloy iron core. Background technique [0002] Iron-based amorphous / nanocrystalline alloy cores have high magnetic permeability and low core loss, and have been widely used in high-precision transformers and high-frequency power supplies. The manufacturing process of iron-based amorphous / nanocrystalline alloy iron core usually includes smelting to obtain master alloy, spinning strip to obtain amorphous alloy thin strip, winding forming, and vacuum annealing to realize the transformation of amorphous alloy into amorphous / nanocrystalline alloy. Usually, the iron-based amorphous / nanocrystalline alloy core is in the shape of a body of revolution, such as circular ring, elliptical ring, rectangle and racetrack. The shape of the rotor is relatively troublesome when winding multi-turn coi...

Claims

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Application Information

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IPC IPC(8): H01F41/02H01F1/153
CPCH01F1/15308H01F41/02H01F41/0226
Inventor 甘章华吴传栋胡骞朱昭峰陈雨峰卢志红
Owner NEW MATERIALS TECH JIANGSU AMORPHD
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