CN108666127A - Based on energy-saving and environment-friendly permanent magnet processing technology - Google Patents
Based on energy-saving and environment-friendly permanent magnet processing technology Download PDFInfo
- Publication number
- CN108666127A CN108666127A CN201810563399.2A CN201810563399A CN108666127A CN 108666127 A CN108666127 A CN 108666127A CN 201810563399 A CN201810563399 A CN 201810563399A CN 108666127 A CN108666127 A CN 108666127A
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- Prior art keywords
- magnet
- hot
- melting
- isotropism
- permanent magnet
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0286—Trimming
Abstract
The invention discloses one kind being based on energy-saving and environment-friendly permanent magnet processing technology, is related to permanent magnet technology field.The present invention includes the following steps：Step 1: stock；Step 2: melting；Step 3: hot pressing；Step 4: slice：Isotropism hot-pressed magnets are demoulded to and carried out slicing treatment, and the underproof magnet of shape or size is subjected to melting again by step 2；Step 5: thermal deformation；Step 6: polishing：Anisotropy magnet after demoulding is subjected to grinding process, and the underproof magnet of appearance is subjected to melting again by step 2；Step 7: magnetic detection：Magnetic underproof magnet is subjected to melting again by step 2.The present invention is by being respectively detected the magnet after slice, polishing and magnetic detection, and it will detect in underproof product return to step two and carry out melting again, the processing cost to substandard product is reduced, effects of energy conservation and environmental protection when being processed to permanent magnet is realized.
Description
Technical field
The invention belongs to permanent magnet technology fields, and energy-saving and environment-friendly permanent magnetic is based on more particularly to one kind
Ironworking technique.
Background technology
Magnet can be divided into " permanent magnet " and " impermanent magnet ".Permanent magnet can be natural products, also known as natural magnetic
Stone, can also be by manually manufacturing.Magnet preparation process includes sintering process, casting technique, technique for sticking and hot pressing thermal deformation work
Skill；Wherein, traditional hot pressing thermal deformation technique adds including dispensing, melting, high annealing, thermal deformation, heat treatment, machinery successively
Work, surface treatment and performance detection.
Currently, permanent magnet will produce certain leftover pieces and defective work during processing, and it is existing to not conforming to
Often one-time detection, the single treatment when being detected and handling of the magnet of lattice, causes many defective works that can still carry out
Normal production process results in the waste to resources of production, increases the processing cost to defective work.
Invention content
The purpose of the present invention is to provide one kind being based on energy-saving and environment-friendly permanent magnet processing technology, by respectively to cutting
Magnet after piece, polishing and magnetic detection is detected, and will be detected in underproof product return to step two and be carried out melting again,
The processing cost to substandard product is reduced, processing routine is simplified, while having saved resource to reduce waste, is realized pair
Effects of energy conservation and environmental protection when permanent magnet is processed, solves existing permanent magnet and is easily led to life when carrying out defective work processing
Production resource leads to the problem of waste.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is that one kind being based on energy-saving and environment-friendly permanent magnet processing technology, is included the following steps：
Step 1: stock：It requires to carry out raw material proportioning to magnetic powder according to the ratio and is uniformly mixed raw material using mixer；
Step 2: melting：Raw material in step 1 after mixing is subjected to melting, by raw material high annealing after melting；
Step 3: hot pressing：Raw material after melting in step 2 is fitted into hot pressing die, and by the hot-die equipped with raw material
Tool is put into progress oriented moulding processing in magnetic field by conveyer, to obtain isotropism hot-pressed magnets；
Step 4: slice：Isotropism hot-pressed magnets are demoulded, and using slicer to the isotropism hot pressing after demoulding
Magnet carries out slicing treatment, and the underproof magnet of shape or size is carried out melting again by step 2；
Step 5: thermal deformation：Under the conditions of 0.03MPa argon gas, isotropism hot-pressed magnets are put into the mould of different inner diameters
Tool carries out thermal deformation, and then demoulding obtains anisotropy magnet；
Step 6: polishing：Anisotropy magnet after demoulding is subjected to grinding process using sander, and appearance is not conformed to
The magnet of lattice carries out melting again by step 2；
Step 7: magnetic detection：Magnet in step 6 after grinding process is subjected to magnetic detection, magnetic qualified magnetic
Body is finished product magnet, and magnetic underproof magnet is carried out melting again by step 2.
Further, in the step 6 grinding process product size precision controlling ± 0.15-0.25mm range.
Further, the temperature of thermal deformation controls the range at 700 DEG C -800 DEG C, the isotropism in the step 5
Hot-pressed magnets are warming up to 700 DEG C -800 DEG C in thermal deformation room in 10-15min, then to the isotropism hot-pressed magnets
Apply 100MPa-180MPa pressure, makes isotropism hot-pressed magnets homogeneous deformation in 0.5-2min, then by the heat
Deformation room is cooled to room temperature in 25-35min.
Further, described Step 4: magnet is being carried out again by step 2 before melting in step 6 and step 7
Processing is dusted to magnet.
The invention has the advantages that：
The present invention will be detected underproof by being detected respectively to the magnet after slice, polishing and magnetic detection
Melting again is carried out in product return to step two, reduces the processing cost to substandard product, simplifies processing routine, same to time
About resource reduces waste, realizes effects of energy conservation and environmental protection when being processed to permanent magnet.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Specific embodiment 1：
The present invention being based on energy-saving and environment-friendly permanent magnet processing technology for one kind, including：
Step 1: stock：It requires to carry out raw material proportioning to magnetic powder according to the ratio and is uniformly mixed raw material using mixer；
Step 2: melting：Raw material in step 1 after mixing is subjected to melting, by raw material high annealing after melting；
Step 3: hot pressing：Raw material after melting in step 2 is fitted into hot pressing die, and by the hot-die equipped with raw material
Tool is put into progress oriented moulding processing in magnetic field by conveyer, to obtain isotropism hot-pressed magnets；
Step 4: slice：Isotropism hot-pressed magnets are demoulded, and using slicer to the isotropism hot pressing after demoulding
Magnet carries out slicing treatment, and the underproof magnet of shape or size is carried out melting again by step 2；
Step 5: thermal deformation：Under the conditions of 0.03MPa argon gas, isotropism hot-pressed magnets are put into the mould of different inner diameters
Tool carries out thermal deformation, and then demoulding obtains anisotropy magnet；
Step 6: polishing：Anisotropy magnet after demoulding is subjected to grinding process using sander, and appearance is not conformed to
The magnet of lattice carries out melting again by step 2；
Step 7: magnetic detection：Magnet in step 6 after grinding process is subjected to magnetic detection, magnetic qualified magnetic
Body is finished product magnet, and magnetic underproof magnet is carried out melting again by step 2.
Wherein, in step 6 grinding process product size precision controlling ± 0.15-0.25mm range.
Wherein, the temperature control of thermal deformation is in 700 DEG C -800 DEG C of range in step 5, and isotropism hot-pressed magnets are in warm
Deformation is warming up to 700 DEG C -800 DEG C in room in 10-15min, then applies 100MPa-180MPa to isotropism hot-pressed magnets
Pressure makes the homogeneous deformation in 0.5-2min of isotropism hot-pressed magnets, is then cooled to thermal deformation room in 25-35min
Room temperature.
Wherein, Step 4: in step 6 and step 7 by magnet by step 2 carry out again before melting to magnet into
Row dust removal process.
Specific embodiment 2：
The product size precision controlling of grinding process is in ± 0.15mm in step 6.
At 700 DEG C, isotropism hot-pressed magnets pass through 10min in thermal deformation room for the temperature control of thermal deformation in step 5
700 DEG C are warming up to, then applies 100MPa pressure to isotropism hot-pressed magnets, isotropism hot-pressed magnets is made to pass through 0.5min
Then thermal deformation room is cooled to room temperature by homogeneous deformation by 25min.
Specific embodiment 3：
The product size precision controlling of grinding process is in ± 0.2mm in step 6.
At 750 DEG C, isotropism hot-pressed magnets pass through 12min in thermal deformation room for the temperature control of thermal deformation in step 5
700 DEG C are warming up to, then applies 140MPa pressure to isotropism hot-pressed magnets, isotropism hot-pressed magnets is made to pass through
Then thermal deformation room is cooled to room temperature by 1.25min homogeneous deformations by 30min.
Specific embodiment 4：
The product size precision controlling of grinding process is in ± 0.25mm in step 6.
At 800 DEG C, isotropism hot-pressed magnets pass through 15min in thermal deformation room for the temperature control of thermal deformation in step 5
800 DEG C are warming up to, then applies 180MPa pressure to isotropism hot-pressed magnets, keeps isotropism hot-pressed magnets equal by 2min
Then thermal deformation room is cooled to room temperature by even deformation by 35min.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (4)
1. being based on energy-saving and environment-friendly permanent magnet processing technology, which is characterized in that include the following steps：
Step 1: stock：It requires to carry out raw material proportioning to magnetic powder according to the ratio and is uniformly mixed raw material using mixer；
Step 2: melting：Raw material in step 1 after mixing is subjected to melting, by raw material high annealing after melting；
Step 3: hot pressing：Raw material after melting in step 2 is fitted into hot pressing die, and the hot pressing die equipped with raw material is led to
It crosses conveyer and is put into progress oriented moulding processing in magnetic field, to obtain isotropism hot-pressed magnets；
Step 4: slice：Isotropism hot-pressed magnets are demoulded, and using slicer to the isotropism hot-pressed magnets after demoulding
Slicing treatment is carried out, and the underproof magnet of shape or size is subjected to melting again by step 2；
Step 5: thermal deformation：Under the conditions of 0.03MPa argon gas, by isotropism hot-pressed magnets be put into the molds of different inner diameters into
Row thermal deformation, then demoulding obtain anisotropy magnet；
Step 6: polishing：Anisotropy magnet after demoulding is subjected to grinding process using sander, and appearance is underproof
Magnet carries out melting again by step 2；
Step 7: magnetic detection：Magnet in step 6 after grinding process is subjected to magnetic detection, magnetic qualified magnet is
For finished product magnet, and magnetic underproof magnet is passed through into step 2 and carries out melting again.
2. according to claim 1 be based on energy-saving and environment-friendly permanent magnet processing technology, which is characterized in that the step 6
Range of the product size precision controlling of middle grinding process in ± 0.15-0.25mm.
3. according to claim 1 be based on energy-saving and environment-friendly permanent magnet processing technology, which is characterized in that the step 5
The temperature control of middle thermal deformation is in 700 DEG C -800 DEG C of range, and the isotropism hot-pressed magnets are in thermal deformation room in 10-
It is warming up to 700 DEG C -800 DEG C in 15min, then applies 100MPa-180MPa pressure to the isotropism hot-pressed magnets, makes institute
The homogeneous deformation in 0.5-2min of isotropism hot-pressed magnets is stated, the thermal deformation room is then cooled to room in 25-35min
Temperature.
4. according to claim 1 be based on energy-saving and environment-friendly permanent magnet processing technology, which is characterized in that the step
Four, processing is dusted to magnet before magnet is carried out melting again by step 2 in step 6 and step 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563399.2A CN108666127A (en) | 2018-06-04 | 2018-06-04 | Based on energy-saving and environment-friendly permanent magnet processing technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563399.2A CN108666127A (en) | 2018-06-04 | 2018-06-04 | Based on energy-saving and environment-friendly permanent magnet processing technology |
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| Publication Number | Publication Date |
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| CN108666127A true CN108666127A (en) | 2018-10-16 |
Family
ID=63775059
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|---|---|---|---|
| CN201810563399.2A Pending CN108666127A (en) | 2018-06-04 | 2018-06-04 | Based on energy-saving and environment-friendly permanent magnet processing technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071620A (en) * | 2020-09-08 | 2020-12-11 | 蔺雨欣 | Preparation process of permanent magnet alloy material |
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| CN1271169A (en) * | 2000-05-12 | 2000-10-25 | 清华大学 | High-performance permanent-magnet RE alloy and its making process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20181016 |