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Adhesive electric machine magnetic strip and preparation method thereof

A magnetic strip and magnetic powder technology, applied in the manufacture of inductors/transformers/magnets, the manufacture of motor generators, circuits, etc., to achieve the effect of a simple preparation process

Inactive Publication Date: 2007-07-18
横店集团东磁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There should be no sundries on the surface, use talcum powder to prevent the magnetic strips from sticking to each other, which is not advisable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] (1) Ingredients: First weigh the magnetic powder and coupling agent in proportion, put them into the mixer and stir for 3 minutes, then add other auxiliary materials and continue stirring for 5 minutes; the ingredients for preparing the inner magnetic sheet are shown in Table 1 ; Preparation of the outer two layers to improve the composition of the magnetic sheet input is shown in Table 2.

[0047] (2) Open refining and banburying: adjust the roll distance of the open mill to 0.5, put the mixed material after the above stirring into the roller and turn over for 3min; when the film is evenly cut, it will be put into the banbury mixer for further use. The banburying pressure is 0.2Mpa, the banburying temperature is 70°C, and the banburying time is 30min;

[0048] (3) Crushing and tableting: Put the above-mentioned granular materials after banburying into a pulverizer for crushing for 2 minutes, wherein the screen aperture is ∮6mm; the size of the obtained particles is 5mm...

Embodiment 2

[0058] (1) Ingredients: First weigh the magnetic powder and coupling agent in proportion, put them into the mixer and stir for 5 minutes, then add other auxiliary materials and continue stirring for 3 minutes; the ingredients for preparing the inner magnetic sheet are shown in Table 4 ; Preparation of outer two layers to improve the composition of magnetic sheet input as shown in table 5.

[0059] (2) Open refining and banburying: adjust the roller distance of the open mill to 0.9mm, put the above-mentioned mixed material into the rollers and knead for 4min; Mixing, the mixing pressure is 0.6Mpa, the mixing temperature is 100°C, and the mixing time is 25min;

[0060] (3) Crushing and tableting: Put the above-mentioned granular materials after banburying into a pulverizer for crushing for 4 minutes, wherein the screen aperture is ∮3mm; the size of the obtained particles is 2mm; Sheets, where the temperature of the sheet is controlled at 100°C, and the thickness of the sheet is...

Embodiment 3

[0070] (1) Ingredients: first weigh the magnetic powder and the coupling agent in proportion, put them into the mixer and stir for 10 minutes, then put in other auxiliary materials and continue stirring for 2 minutes; the ingredients for preparing the inner magnetic sheet are shown in Table 7 ; Preparation of the outer two layers to improve the composition of the magnetic sheet input is shown in Table 8.

[0071] (2) Open refining and banburying: adjust the roller distance of the open mill to 1.5mm, put the above-mentioned mixed material into the roller and turn over for 6min; For mixing, the mixing pressure is 1.0Mpa, the mixing temperature is 130°C, and the mixing time is 15 minutes;

[0072] (3) Crushing and tableting: put the above-mentioned granular material after banbury mixing into a pulverizer for crushing for 8 minutes, wherein the screen aperture is ∮2mm; the size of the obtained particles is 1mm; put the above-mentioned pulverized granular material into the tablet m...

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Abstract

A adhesive magnetic strip of motor is prepared as forming bound magnetic strip of motor by 3-8 layer flattening and pressing process; forming internal layer by compositions in wt% as magnetic powder of 80-95%, polyethylene of 2-10%, plasticizer of 1-4%, stabilizer of 1-3% and coupling agent of 01-3%; forming two external layers by compositions in wt% as magnetic powder of 80-95%, polyethylene of 2-10%, hotmelt adhesive of 1-6%, stabilizer of 1-2% and coupling agent of 0.1-3%.

Description

technical field [0001] The invention relates to a magnetic strip and a preparation method thereof, in particular to a bonded motor magnetic strip and a preparation method thereof, belonging to the field of miniature special motors. Background technique [0002] Miniature special motor, referred to as micromotor, is a kind of motor with small volume and capacity, whose output power is generally below several hundred watts, and a motor with special requirements for use, performance and environmental conditions. It is often used in control systems to realize the detection of electromechanical signals or energy. , solving, amplifying, performing or converting functions, or used to rotate mechanical loads, and can also be used as AC and DC power supplies for equipment. [0003] Micro special motors can be roughly divided into three categories in terms of structure: ① electromagnetic type. The basic composition is similar to that of ordinary motors, including stators, rotors, arm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/00H01F41/02H02K15/00
Inventor 何时金陆柏松胡一涛盛小东
Owner 横店集团东磁有限公司
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