CN101414502A - Method for processing permanent magnetic material - Google Patents
Method for processing permanent magnetic material Download PDFInfo
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- CN101414502A CN101414502A CNA2007100472623A CN200710047262A CN101414502A CN 101414502 A CN101414502 A CN 101414502A CN A2007100472623 A CNA2007100472623 A CN A2007100472623A CN 200710047262 A CN200710047262 A CN 200710047262A CN 101414502 A CN101414502 A CN 101414502A
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Abstract
The invention provides a method for cutting permanent magnetic materials, comprising the following steps: 1) a magnet and a magnet carrier are bound by an adhesive; 2) a binding material board and the magnet carrier are bound by the adhesive; 3) water-based cutting fluid is adopted for processing, the concentration of solution is regularly inspected, the concentration maintenance and the adjustment are carried out; 4) a dissolvent is adopted for dissolving the adhesive after the processing; the method has high cutting or grinding efficiency, a colloid has good flowability and can be fully distributed in the formed gaps of the magnet after the binding, the strength of the colloid is high after the curing, thereby being capable of solving the problem that the magnet is shed off during the processing, that is the edge collapse during the slicing processing, meanwhile, conductive metal powder is added in adhesive powder, thereby being capable of being used for the electro-spark machining and realizing the purpose of the method.
Description
Technical field
The present invention relates to a kind of processing method, particularly a kind of processing method of using the permanent magnetic material of water-base cutting fluid.
Background technology
At present, domestic bonding and processing (circle section and grinding and multi-thread cutting in comprising for permanent magnetic material (particularly rare earth permanent-magnetic material), spark machined etc.) the main use by using sealing wax (shellac) or 502 glue method as the permanent magnetic material binding agent, its shortcoming is mainly reflected in:
1, can't use water-base cutting fluid, not environmental protection, the workshop is full of mist of oil and greasy filth in the course of processing, the external manager's image of the company that influences very much;
2, sealing wax (shellac) or 502 glue all need through strong alkali aqueous solution dissolving under heating, and highly basic is very easy to the permanent magnetism crystal boundary (rich rare earth and/or boron-rich phase) of corrosion permanent magnetic material, make the surface of permanent magnetic material produce loose or porous, directly influence permanent magnetic material plating or phosphatization afterwards, influence its useful life, reduce bonding or assembling after the magnetic property and the mechanical property, particularly phosphatization of permanent magnetic material simultaneously.
Simultaneously, because the adhesion strength of sealing wax (shellac) is not high, the bulk magnet is difficult to processing, grinds difficulty (pine is divided) especially; And the use cost of 502 glue is higher, as adopt rare 502 glue bond permanent magnetic materials, although cost is less relatively, but owing to have the cavity between permanent magnetic material, and when interior circle cuts, the particularly processing of SmCo or AlNiCo, collapse the limit easily, produce more defect ware, if collapse the limit though adopt thickness 502 glue to solve, cost is too high.
And, adopt another main drawback of 502 glue to grind problem exactly: to have difference bigger between the hardness of 502 glue and grindability (mechanical performance) and the permanent magnetic material, 502 glue are difficult to process with same grinding speed with permanent magnetic material, thereby influence the grinding speed and the depth of parallelism thereof of permanent magnetic material; As adopt the Carborundum wheel double-ended grinding machine to process, and must adopt thickness 502 glue, cost will significantly improve, and colloidal sol also can be difficult more.
Sealing wax (shellac) or 502 glue are non-conductive, can not be used for spark machined.
Therefore, the processing method that needs a kind of permanent magnetic material that uses water-base cutting fluid is especially satisfied the demand to remedy the weak point of existing method.
The processing method of permanent magnetic material of the present invention has following characteristics:
1, cost is low, 60--90RMB/kg.
2, magnet surface is good, improves the phosphatization and the electroplating quality of magnet, and then improves its function of use and life-span.
3, intensity height can bond and machining large-sized magnet.
4, intensity and magnet mechanical performance are approaching, are convenient to attrition process.
5, cost is low, can closely knitly bond, and collapses the limit when avoiding cutting into slices.
6. glue of the present invention mixes with the conductive powder of certain content (guaranteeing the colloid conduction), the magnetic material after the realization spark machined is bonding.
The processing method of a kind of permanent magnetic material of the present invention can adopt water-base cutting fluid, and job shop is clean and tidy, does not have any pollution, and the image of company and employee's operational environment are improved significantly; Simultaneously, water-base cutting fluid in use, only need its pH value of control or solution concentration, only need add water (water volatilization during cutting) generally speaking, be easy to control and grasp, cost low (disposable input), the cutting or the working (machining) efficiency height of grinding, the good fluidity of colloid, fully substep be filled in the gap (filling effect is relevant with gelatin concentration) that forms between magnet surface or magnet, glue cured strength height can solve and adds the man-hour magnet and come off and the limit problem that collapses during slice processing.Simultaneously, glue of the present invention mixes with the conductive powder of certain content (guaranteeing the colloid conduction), the magnetic material after the realization spark machined is bonding.It more than is realization purpose of the present invention.
Description of drawings
Fig. 1 is the structural representation of permanent magnetic material cutting of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1, the processing of described permanent magnetic material mainly comprises sizing plate 1, magnet carrier 2 and magnet 3, and its procedure of processing is as follows:
1) by adhesive glue bonded permanent magnet and magnet and carrier;
2) by adhesive glue sizing plate and magnet carrier are bondd;
3) adopt water-base cutting fluid to process, and make regular check on solution concentration, carry out concentration and keep and transfer
Summary of the invention
The processing method that the purpose of this invention is to provide a kind of permanent magnetic material can use water-base cutting fluid to carry out the bonding and the processing (circle section and grinding and multi-thread cutting in comprising, spark machined etc.) of permanent magnetic material, particularly rare earth permanent-magnetic material.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of processing method of permanent magnetic material is characterized in that, it comprises following step:
1) by adhesive glue bonded permanent magnet and magnet and magnet carrier;
2) by adhesive glue sizing plate and magnet carrier are bondd;
3) adopt water-base cutting fluid to process, and make regular check on solution concentration, carry out concentration and keep and adjust;
4) the processing back adopts lytic agent that adhesive glue is dissolved.
Described adhesive glue comprises rubber powder and solvent thereof, the solvent of described rubber powder is the mixed liquor of methymethacrylate and dimethyl-p-toluidine, and methymethacrylate and the dimethyl-p-toluidine content in solvent is respectively methymethacrylate 90-100wt%, dimethyl-p-toluidine 0-10wt%;
Described rubber powder is the acrylic resin powder, and general content is 5-80wt%, and addition is looked required adhesive glue viscosity decision.
Described dimethyl-p-toluidine is as promoter, and its content is 0-5wt%.
Described rubber powder is the acrylic resin powder, and addition is looked required adhesive glue viscosity and determined, general content is 5-80wt%.
The particle of described acrylic clear powder is more than 50 orders.
Described magnet carrier includes but not limited to marble, glass, wood-block, asbestos.
The alkaline cutting fluid of described water-base cutting fluid, concentration are 2～15wt%, and pH value is 8-10.
Described lytic agent includes but not limited to carrene, acetone.
Glue of the present invention (is guaranteed the content of colloid conduction with certain content, relevant with conductive powder addition and particle size thereof) conductive powder (including but not limited to aluminium powder, copper powder or iron powder, carbon dust, one or more mixture of the conductive powder that silver powder etc. are any or its) mixes, realize the magnetic material of spark machined after bonding.
Whole;
4) the processing back adopts lytic agent that adhesive glue is dissolved.
Described adhesive glue is made of rubber powder and solvent thereof.The composition of the solvent of rubber powder and content are respectively methymethacrylate 90-100wt%, dimethyl-p-toluidine (promoter) 0-10wt%, rubber powder (solute) is the acrylic resin powder, addition is looked required adhesive glue viscosity and is determined, general content is 5-80wt%.
Described dimethyl-p-toluidine uses as the promoter of methymethacrylate, has the solvent stability machine and adds the effect that fast solute dissolves and glue solidifies, and its content is 0-5wt% (what adding according to processing technology and weather conditions decision).
The particle of described acrylic clear powder is more than 50 orders.
Described magnet carrier is including but not limited to marble, glass, plank, asbestos.
The alkaline cutting fluid of described water-base cutting fluid, concentration are 2～15wt%, and pH value is 8-10.
Described lytic agent is including but not limited to carrene, acetone.
Adhesive glue before use according to consumption what, adopt rubber powder and its solvent to be in harmonious proportion, just can directly use, can contain solvent-stable agent and promoter thereof in the solvent, be convenient to the stable of production process and high efficiency enforcement.Described adhesive powder is an acrylic resin; Bonding with magnet carrier 2 by adhesive glue bonded permanent magnet 3 (bonding between magnet) and magnet 3, described magnet carrier 2 adopts and includes but not limited to marble, glass, plank, asbestos; The adhesive glue that mediation is good drops on the bonding plane, and magnet 3 or magnet carrier 2 are being pressed into, and notices that the adhesive glue glue should be abundant, guarantees the abundant driving fit of bonding plane.
If magnet 3 is the lamination magnet, its bonding method is identical with said method, but needs fixture auxiliary, guarantees that lamination is neat, and excessive Jiao Kou is arranged again.
Owing to use the magnet 3 of water-base cutting fluid cutting permanent magnetic material, the powder that stays after the cutting (the quite greasy filth that produces with kerosene or rapeseed oil cutting) is collected or precipitation convenience very, can effectively improve processing environment, can not cause the pollution of environment.
Simultaneously, owing to use the magnet 3 of water-base cutting fluid cutting permanent magnetic material, the cooling rate of water is big, and the cutting speed and the useful life of the diamond blade of cutting usefulness all are largely increased.
The concentration of described water-base cutting fluid is controlled at 2～15wt%, guarantees that the cutting energy of magnet 3 is normally finished.
In the present embodiment, described lytic agent is a carrene.
In the processing method of permanent magnetic material of the present invention, described magnet carrier 2 also can adopt other materials such as glass, wood-block, asbestos, and described lytic agent also can be other lytic agents such as acetone.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1, a kind of processing method of permanent magnetic material is characterized in that, it comprises following step:
1) by adhesive glue bonded permanent magnet and magnet and magnet carrier;
2) by adhesive glue sizing plate and magnet carrier are bondd;
3) adopt water-base cutting fluid to process, and make regular check on solution concentration, carry out concentration and keep and adjust;
4) the processing back adopts lytic agent that adhesive glue is dissolved.
2, processing method as claimed in claim 1, it is characterized in that, described adhesive glue is made of rubber powder and its solvent, the solvent of rubber powder is the mixed liquor of methymethacrylate and dimethyl-p-toluidine, and methymethacrylate and the dimethyl-p-toluidine content in solvent is respectively methymethacrylate 90-100wt%, dimethyl-p-toluidine 0-10wt%; Rubber powder is the acrylic resin powder, and its content is adhesive glue total amount 5-80wt%.
3, processing method as claimed in claim 2 is characterized in that, described acrylic resin particles of powder is more than 50 orders.
4, processing method as claimed in claim 1 is characterized in that, described adhesive glue also comprises conductive powder.
5, processing method as claimed in claim 4 is characterized in that, described conductive powder can be aluminium powder, copper powder or iron powder, carbon dust, one or more mixture in the silver powder.
6, processing method as claimed in claim 1 is characterized in that, described magnet carrier is including but not limited to marble, glass, wood-block, asbestos.
7, processing method as claimed in claim 1 is characterized in that, the alkaline cutting fluid of described water-base cutting fluid, concentration are 2～15wt%, and pH value is 8-10.
8, processing method as claimed in claim 1 is characterized in that, described adhesive glue lytic agent is including but not limited to carrene, acetone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100472623A CN101414502A (en) | 2007-10-19 | 2007-10-19 | Method for processing permanent magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100472623A CN101414502A (en) | 2007-10-19 | 2007-10-19 | Method for processing permanent magnetic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101414502A true CN101414502A (en) | 2009-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100472623A Pending CN101414502A (en) | 2007-10-19 | 2007-10-19 | Method for processing permanent magnetic material |
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| CN (1) | CN101414502A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311860A (en) * | 2011-04-26 | 2012-01-11 | 东莞市安美润滑科技有限公司 | Water-based cutting fluid used for processing neodymium-iron-boron material slices and application method thereof |
| CN107026005A (en) * | 2017-05-16 | 2017-08-08 | 桐庐创新磁业有限公司 | Samarium-cobalt magnet processing technology |
| CN109704746A (en) * | 2019-02-28 | 2019-05-03 | 滁州市博瑞特工贸有限公司 | A kind of preparation method of magnetic ferrites |
-
2007
- 2007-10-19 CN CNA2007100472623A patent/CN101414502A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311860A (en) * | 2011-04-26 | 2012-01-11 | 东莞市安美润滑科技有限公司 | Water-based cutting fluid used for processing neodymium-iron-boron material slices and application method thereof |
| CN107026005A (en) * | 2017-05-16 | 2017-08-08 | 桐庐创新磁业有限公司 | Samarium-cobalt magnet processing technology |
| CN109704746A (en) * | 2019-02-28 | 2019-05-03 | 滁州市博瑞特工贸有限公司 | A kind of preparation method of magnetic ferrites |
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Open date: 20090422 |