Dense stacking burning die for RM type magnetic material product

A technology of magnetic materials and molds, which is applied in the field of close-packed and stacked firing molds, can solve the problems of lower pass rate, low pass rate, deglue cracking, etc., and achieve improved pass rate and production efficiency, good electrical performance and safety, and increased The effect of deglue gap

Inactive Publication Date: 2012-10-24
JIANGSUSR MAGNETIC MATERIAL & DEVICE ENG TECH RES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the mass production process, due to the tight arrangement between the blanks, it is easy to stick to the blanks during the sintering process. Glue cracking, lower pass rate, affect product quality
[0004] In the process of realizing the present invention, the inventor found that there are at least defects in the prior art such as difficulty in debinding, low pass rate, poor electrical performance and safety, low production efficiency, and high production cost.

Method used

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  • Dense stacking burning die for RM type magnetic material product
  • Dense stacking burning die for RM type magnetic material product
  • Dense stacking burning die for RM type magnetic material product

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Embodiment Construction

[0022] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0023] According to an embodiment of the present invention, a close-packed stacked firing mold for RM-type magnetic material products is provided. Such as Figure 1-Figure 6 As shown, this embodiment includes a mold body with a central column (such as the central column 1 ), and a groove (such as the groove 2 ) longitudinally provided at the center of the central column.

[0024] Preferably, the cross section of the groove is a rectangular groove; the width of the groove is half the radius of the cylinder where the central column is located; the depth of the groove is 0.13-0.17mm (preferably 0.15mm).

[0025] The close-packed stack-fired mold for the RM-type magnet...

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Abstract

The invention discloses a dense stacking burning die for an RM type magnetic material product. The dense stacking burning die comprises a die body having a central column, and a concave groove which is lengthways formed at the centre of the central column. With the adoption of the dense stacking burning die for the RM type magnetic material product, the shortcomings of the prior art that adhesive is hard to remove, the percentage of pass is low, the electrical property and the safety are poor, the production efficiency is low, and the cost of production is high are overcame, thus achieving the advantages of easiness in adhesive removal, high percentage of pass, good electrical property, high safety, high production efficiency, and low cost of production.

Description

technical field [0001] The invention relates to the technical field of manganese-zinc-ferrite magnetic material manufacturing technology, in particular to a close-packed stacked firing mold for RM-type magnetic material products. Background technique [0002] Manganese-zinc soft magnetic ferrite is a widely used electromagnetic conversion material. Cracks in the production process are an important factor affecting product quality. Products with cracks will seriously affect the electrical performance and safety of the product. Customers have concerns about the center column. Crack Rejection. [0003] In order to reduce production costs and improve production efficiency, most of the manganese zinc ferrite magnetic material products will be sintered in a close-packed and stacked firing method during the production process, and a small amount of alumina powder or zirconia powder will be sprinkled between the blanks. In the mass production process, due to the tight arrangement b...

Claims

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Application Information

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IPC IPC(8): B28B7/00
Inventor 刘洪建
Owner JIANGSUSR MAGNETIC MATERIAL & DEVICE ENG TECH RES
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