CN112959003A - Processing technology of integrated electromagnetic ferromagnetic core tube - Google Patents
Processing technology of integrated electromagnetic ferromagnetic core tube Download PDFInfo
- Publication number
- CN112959003A CN112959003A CN202110142818.7A CN202110142818A CN112959003A CN 112959003 A CN112959003 A CN 112959003A CN 202110142818 A CN202110142818 A CN 202110142818A CN 112959003 A CN112959003 A CN 112959003A
- Authority
- CN
- China
- Prior art keywords
- core tube
- deformation
- ferromagnetic core
- disc
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention relates to the technical field of machining, in particular to a machining process of an integrated electromagnetic ferromagnetic core tube. The invention takes a cold heading processing technology as a carrier, the coiled material is stretched and extruded by a multi-station die to realize the integrated structure of the electromagnetic ferromagnetic core tube, and the integrated electromagnetic ferromagnetic core tube is obtained by further processing by adopting automatic welding and a profiling cutter.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a machining process of an integrated electromagnetic ferromagnetic core tube.
Background
The electromagnet is a device which generates electromagnetism through current to generate motion, the strength, the existence and the direction of the magnetism of the electromagnet can be controlled through controlling the current, and the electromagnet is mainly used for environments which need the current to generate mechanical motion or keep a mechanical state, such as a crane, automatic control equipment, a maglev train and the like, and has wide application in the fields of machinery, electricity, industrial production and the like.
The magnetic core pipe is a core component of the electromagnet, the magnetic core pipe is divided into an iron core and a guide sleeve, the iron core and the guide sleeve are respectively processed by a numerical control lathe in the conventional magnetic core pipe processing technology, and the iron core and the guide sleeve are welded into a whole by brazing and welding a magnetism isolating ring, so that the conventional processing technology has the following defects: (1) the process is complicated, the turnover process is multiple, and the magnetic core pipe is easy to collide; (2) the material consumption is large, and the material needs to be removed again in the subsequent processing process, so that the waste material is wasted, and the cost is high; (3) the feeding and the blanking are difficult in the operation process of the split structure, and the automatic welding is not easy to realize; (4) the split structure is easy to be welded askew during welding, and waste products are generated.
Disclosure of Invention
The invention aims to provide a processing technology of an integrated electromagnetic ferromagnetic core tube, which realizes the integrated structure of the electromagnetic ferromagnetic core tube, simplifies the technological process, saves material and energy, reduces the cost, and improves the production efficiency and the product quality.
The invention provides a processing technology of an integrated electromagnetic ferromagnetic core tube, which comprises the following steps:
s1, pretreating a disc blank, and straightening and segmenting the pretreated disc blank by using a cold heading forming machine to obtain a disc blank;
s2, translating the disc round material into a first shaping die, aligning the disc round material to perform extrusion straightening, and forming a round corner at the bottom end of the disc round material to obtain a first deformation disc round material;
s3, horizontally turning the first deformation disc round material into a second shaping mold, and aligning the first deformation disc round material to extrude and straighten to obtain a second deformation disc round material;
s4, horizontally turning the second deformation disc round material into a third shaping die, aligning the second deformation disc round material with the top end of the second deformation disc round material, and extruding to obtain a positioning hole to obtain a third deformation disc round material;
s5, translating the third deformation disc round material into a fourth stretching die for stretching, forming a groove after the positioning hole is stretched, and extruding the positioning hole to be aligned with the bottom end of the third deformation disc round material to obtain an extruding hole so as to obtain a fourth deformation disc round material;
s6, vertically turning the fourth deformation disc round material into a fifth stretching die to perform reverse stretching, aligning the fourth deformation disc round material with the groove, and extruding to obtain a first step hole to obtain a fifth deformation disc round material;
s7, horizontally moving the fifth deformation disc round material into a sixth stretching die to stretch, and aligning to the extrusion hole to extrude to obtain a second step hole, so as to obtain an electromagnetic iron core tube blank;
and S8, spin-drying, welding and finish-machining the electromagnetic ferromagnetic core tube blank to obtain the electromagnetic ferromagnetic core tube.
Preferably, in step S1, the disc-shaped blank is DT4 disc-shaped blank, the diameter of the DT4 disc-shaped blank is 33mm, the pre-treatment comprises a drawing treatment and a phosphating treatment, the diameter of the DT4 disc-shaped blank after the drawing treatment is 32.04mm, a phosphating layer is formed on the surface of the DT4 disc-shaped blank after the phosphating treatment, and the thickness of the phosphating layer is 5-10 μm. The method comprises the steps of drawing the wire rod blank, changing the diameter of the wire rod blank, carrying out phosphating treatment on the wire rod blank after drawing treatment, forming a phosphate coating on the surface of the wire rod blank, and playing a role in friction reduction and lubrication.
Preferably, in step S1, the cold heading machine is a 33B six-station cold heading machine or a 41B six-station cold heading machine, and the height of the disc round material is 74 mm.
Preferably, in step S2, the radius of the fillet is 6mm, and the diameter of the first deformation disc material is 32.2mm and the height is 75 mm. And straightening the disc round material by adopting a first shaping die, eliminating the bending defect of the disc round material, forming a fillet at the bottom end of the disc round material and ensuring the end surface of the disc round material to be flat.
Preferably, in step S3, the second deformation disk has a diameter of 32.3mm and a height of 75mm, and the fillet radius of the second deformation disk is 6.2 mm.
Preferably, in step S4, the diameter of the positioning hole is 25.5mm, the depth of the positioning hole is 2.2mm, the diameter of the third deformation disc material is 32.4mm, the height of the third deformation disc material is 75mm, and the fillet radius of the third deformation disc material is 6.5 mm.
Preferably, in step S5, the groove has a diameter of 24.2mm and a depth of 50mm, the extrusion hole has a diameter of 21.5mm and a depth of 2.6mm, and the fourth deformed disc material has a diameter of 32.45mm and a height of 102 mm. And horizontally moving the third deformation disc round material to the first stretching die to eliminate a round angle at the bottom end of the third deformation disc round material, and stretching and punching the third deformation disc round material to form the third deformation disc round material.
Preferably, in step S6, the diameter of the first stepped hole is 23mm and the depth is 13mm, the diameter of the fifth deformation disc material is 32.5mm and the height is 107.6mm, and the diameter of the extrusion hole of the fifth deformation disc material is 21.1mm and the depth is 3.5 mm.
Preferably, in step S7, the diameter of the second stepped hole is 15.9mm, the depth is 13.3mm, the diameter of the electromagnetic ferromagnetic core tube blank is 32.55mm, the height is 110mm, the diameter of the first stepped hole of the electromagnetic ferromagnetic core tube blank is 22.9mm, the depth is 13mm, and the diameter of the extrusion hole of the electromagnetic ferromagnetic core tube blank is 21mm, and the depth is 3.5 mm. The multistation cold-heading make-up machine includes the straightener, the delivery wheel, cutting die and forming die, forming die includes first plastic mould, the second plastic mould, the third plastic mould, the tensile mould of fourth, the tensile mould of fifth and the tensile mould of sixth, adopt the straightener to carry out the alignment to phosphating treatment back wire rod blank, the wire rod blank after with the alignment is carried to the blank mould through the delivery wheel and is cut off, obtain the wire rod material, and adopt the delivery wheel to make the wire rod material carry out continuous drawing through forming die, the extrusion and the shaping, realize automated production, and the production efficiency is improved, the material saving energy, and the cost is reduced.
Preferably, step S8 is: conveying the electromagnetic ferromagnetic core tube blank to a centrifugal drying machine through a chain plate type conveyor for drying, arranging cutting grooves on two sides of the electromagnetic ferromagnetic core tube blank, fixing a magnetism isolating ring in the cutting grooves through welding, and performing finish machining on the size and the appearance of the electromagnetic ferromagnetic core tube blank by adopting a profiling cutter to obtain the electromagnetic ferromagnetic core tube. The magnetism isolating ring is welded in the cutting groove through automatic welding, the magnetism isolating effect is achieved, production efficiency can be improved through automatic welding, and finish machining processing is carried out on the appearance and the size of the electromagnetic iron core tube blank through a profiling cutter, so that the appearance of the product is uniform, and the size of the product is stable.
Advantageous effects of the invention
1. The invention adopts a cold heading forming processing technology, the electromagnetic ferromagnetic core tube raw material is stretched and extruded by a multi-station die, the integrated structure of the electromagnetic ferromagnetic core tube is realized, and then automatic welding and a profiling cutter are adopted for further processing, thereby simplifying the process flow, improving the working efficiency and the product quality, saving the material energy and reducing the cost.
2. The invention adopts automatic welding to fix the magnetism isolating ring in the cutting grooves at two sides of the electromagnetic ferromagnetic core tube, can realize one person to operate a plurality of machines, improves the production efficiency, does not generate the condition of askew welding, and ensures the quality of products.
3. The invention adopts the profiling cutter to carry out finish machining treatment, so that the prepared electromagnet core tube has uniform appearance and stable size, reduces the requirement on a pretreatment processing technology, improves the production efficiency, ensures the consistency of product quality and realizes automatic production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of a cold heading forming process according to an embodiment of the invention;
fig. 2 is a sectional view of an electromagnetic core tube according to an embodiment of the present invention.
Description of reference numerals:
in the figure: 1-coiling round material, 2-first deformation coiling round material, 3-fillet, 4-second deformation coiling round material, 5-third deformation coiling round material, 6-positioning hole, 7-fourth deformation coiling round material, 8-groove, 9-extrusion hole, 10-fifth deformation coiling round material, 11-first step hole, 12-electromagnetic iron core tube blank, 13-second step hole, 14-electromagnetic iron core tube and 15-cutting groove.
Detailed Description
It is to be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention, unless otherwise specified, and all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2:
a processing technology of an integrated electromagnetic ferromagnetic core tube comprises the following steps:
s1, selecting a DT4 coiled round blank with the diameter of 33mm to perform secondary drawing treatment, wherein the diameter of the DT4 coiled round blank after drawing treatment is 32.04mm, phosphating the drawn DT4 disc blank material to form a phosphating layer on the surface of the DT4 disc blank material, wherein the thickness of the phosphating layer is 5 mu m, processing the phosphated DT4 disc blank material by a 33B six-station cold heading forming machine, wherein the 33B six-station cold heading forming machine comprises a straightening machine, a feeding wheel, a cutting die and a forming die, the forming die comprises a first shaping die, a second shaping die, a third shaping die, a fourth drawing die, a fifth drawing die and a sixth drawing die, straightening the phosphated DT4 disc blank material by a straightening machine, conveying the straightened DT4 wire rod blank to a cutting die through a feeding wheel for cutting to obtain a wire rod material 1 with the height of 74 mm;
s2, translating the disc round material 1 into a first shaping die, aligning the disc round material 1, extruding and straightening to eliminate the bending defect of the disc round material 1, and forming a fillet 3 with the diameter of 6mm at the bottom end of the disc round material 1 to obtain a first deformation disc round material 2 with the diameter of 32.2mm and the height of 75 mm;
s3, horizontally turning the first deformation disc round material 2 into a second shaping die, aligning the first deformation disc round material 2, and performing extrusion straightening to obtain a second deformation disc round material 4 with the diameter of 32.3mm and the height of 75mm, wherein the radius of a fillet 3 of the second deformation disc round material 4 is 6.2 mm.
S4, horizontally turning the second shape-changing disc round material 4 into a third shaping die, aligning the second shape-changing disc round material 4 with the top end of the second shape-changing disc round material, and extruding to obtain a positioning hole 6, wherein the diameter of the positioning hole 6 is 25.5mm, the depth of the positioning hole is 2.2mm, and a third shape-changing disc round material 5 with the diameter of 32.4mm and the height of 75mm is obtained;
s5, translating the third deformation disc round material 5 into a fourth stretching die for stretching, stretching a positioning hole 6 to form a groove 8, wherein the diameter of the groove 8 is 24.2mm, the depth of the groove is 50mm, eliminating a fillet 3 at the bottom end of the third deformation disc round material 5 after translating the third deformation disc round material into the fourth stretching die, aligning the fillet 3 at the bottom end of the third deformation disc round material 5 for extrusion to obtain an extrusion hole 9, and extruding the extrusion hole 9 with the diameter of 21.5mm and the depth of 2.6mm to obtain a fourth deformation disc round material 7 with the diameter of 32.45mm and the height of 102 mm;
s6, vertically turning the fourth deformation disc round material 7 into a fifth drawing die for reverse drawing, and extruding by aligning with the groove 8 to obtain a first step hole 11, wherein the diameter of the first step hole 11 is 23mm, the depth of the first step hole is 13mm, so that a fifth deformation disc round material 10 with the diameter of 32.5mm and the height of 107.6mm is obtained, and the diameter of an extrusion hole 9 of the fifth deformation disc round material 10 is 21.1mm, and the depth of the extrusion hole is 3.5 mm;
s7, translating the fifth deformation disc round material 10 into a sixth stretching die for stretching, aligning with an extrusion hole 9 for extruding to obtain a second step hole 13, wherein the diameter of the second step hole 13 is 15.9mm, the depth of the second step hole is 13.3mm, so that an electromagnetic ferromagnetic core tube blank 12 with the diameter of 32.55mm and the height of 110mm is obtained, the diameter of a first step hole 11 of the electromagnetic ferromagnetic core tube blank 12 is 22.9mm, the depth of the first step hole is 13mm, and the diameter of the extrusion hole 9 of the electromagnetic ferromagnetic core tube blank 12 is 21mm, and the depth of the extrusion hole is 3.5 mm;
s8, conveying the electromagnetic ferromagnetic core tube blank 12 to a centrifugal drying machine through a chain plate type conveyor for drying, arranging cutting grooves 15 on two sides of the electromagnetic ferromagnetic core tube blank 12, fixing the magnetism isolating ring in the cutting grooves 15 through automatic welding, and performing finish machining on the size and the appearance of the electromagnetic ferromagnetic core tube blank 12 by adopting a profiling cutter to obtain the electromagnetic ferromagnetic core tube 14.
Example 2
The present embodiment is basically the same as the processing technology of the above embodiment 1, and the only difference is that: the thickness of the phosphate coating is 10 μm, and the phosphate coating is processed by a 41B six-station cold heading forming machine.
By adopting the technical scheme of the invention, the cold heading processing technology is used as a carrier, the coiled material is stretched and extruded by a multi-station die, the integrated structure of the electromagnetic ferromagnetic core tube is realized, and the automatic welding and profiling cutter are adopted for further processing, so that the production efficiency and the product quality are improved, the appearance is uniform, the size is stable, the material energy is saved, and the cost is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The processing technology of the integrated electromagnetic ferromagnetic core tube is characterized by comprising the following steps of: the method comprises the following steps:
s1, pretreating a disc blank, and straightening and segmenting the pretreated disc blank by using a cold heading forming machine to obtain a disc blank;
s2, translating the disc round material into a first shaping die, aligning the disc round material to perform extrusion straightening, and forming a round corner at the bottom end of the disc round material to obtain a first deformation disc round material;
s3, horizontally turning the first deformation disc round material into a second shaping mold, and aligning the first deformation disc round material to extrude and straighten to obtain a second deformation disc round material;
s4, horizontally turning the second deformation disc round material into a third shaping die, aligning the second deformation disc round material with the top end of the second deformation disc round material, and extruding to obtain a positioning hole to obtain a third deformation disc round material;
s5, translating the third deformation disc round material into a fourth stretching die for stretching, forming a groove after the positioning hole is stretched, and extruding the positioning hole to be aligned with the bottom end of the third deformation disc round material to obtain an extruding hole so as to obtain a fourth deformation disc round material;
s6, vertically turning the fourth deformation disc round material into a fifth stretching die to perform reverse stretching, aligning the fourth deformation disc round material with the groove, and extruding to obtain a first step hole to obtain a fifth deformation disc round material;
s7, horizontally moving the fifth deformation disc round material into a sixth stretching die to stretch, and aligning to the extrusion hole to extrude to obtain a second step hole, so as to obtain an electromagnetic iron core tube blank;
and S8, spin-drying, welding and finish-machining the electromagnetic ferromagnetic core tube blank to obtain the electromagnetic ferromagnetic core tube.
2. The processing technology of the integrated electromagnetic ferromagnetic core tube according to claim 1, wherein: in step S1, the wire rod blank is DT4 wire rod blank, the diameter of DT4 wire rod blank is 33mm, the pretreatment includes drawing treatment and phosphating treatment, the diameter of DT4 wire rod blank after drawing treatment is 32.04mm, a phosphating layer is formed on the surface of DT4 wire rod blank after phosphating treatment, and the thickness of the phosphating layer is 5-10 μm.
3. The processing technology of the integrated electromagnetic ferromagnetic core tube according to claim 1, wherein: in step S1, the cold heading forming machine is a 33B six-station cold heading forming machine or a 41B six-station cold heading forming machine, and the height of the disc round material is 74 mm.
4. The processing technology of the integrated electromagnetic ferromagnetic core tube according to claim 1, wherein: in step S2, the radius of the fillet is 6mm, and the diameter of the first deformation disc material is 32.2mm and the height is 75 mm.
5. The processing technology of the integrated electromagnetic ferromagnetic core tube according to claim 1, wherein: in step S3, the diameter of the second deformation disk material is 32.3mm, the height of the second deformation disk material is 75mm, and the fillet radius of the second deformation disk material is 6.2 mm.
6. The processing technology of the integrated electromagnetic ferromagnetic core tube according to claim 1, wherein: in step S4, the diameter of the positioning hole is 25.5mm, the depth is 2.2mm, the diameter of the third deformation disc material is 32.4mm, the height is 75mm, and the radius of the fillet of the third deformation disc material is 6.5 mm.
7. The processing technology of the integrated electromagnetic ferromagnetic core tube according to claim 1, wherein: in step S5, the diameter of the groove is 24.2mm, the depth of the groove is 50mm, the diameter of the extrusion hole is 21.5mm, the depth of the extrusion hole is 2.6mm, and the diameter of the fourth deformed disc material is 32.45mm, and the height of the fourth deformed disc material is 102 mm.
8. The processing technology of the integrated electromagnetic ferromagnetic core tube according to claim 1, wherein: in step S6, the diameter of the first stepped hole is 23mm, the depth of the first stepped hole is 13mm, the diameter of the fifth deformation disc material is 32.5mm, the height of the fifth deformation disc material is 107.6mm, and the diameter of the extrusion hole of the fifth deformation disc material is 21.1mm, and the depth of the extrusion hole of the fifth deformation disc material is 3.5 mm.
9. The processing technology of the integrated electromagnetic ferromagnetic core tube according to claim 1, wherein: in step S7, the diameter of the second stepped hole is 15.9mm, the depth is 13.3mm, the diameter of the electromagnetic ferromagnetic core tube blank is 32.55mm, the height is 110mm, the diameter of the first stepped hole of the electromagnetic ferromagnetic core tube blank is 22.9mm, the depth is 13mm, and the diameter of the extrusion hole of the electromagnetic ferromagnetic core tube blank is 21mm, and the depth is 3.5 mm.
10. The processing technology of the integrated electromagnetic ferromagnetic core tube according to claim 1, wherein: step S8 is: conveying the electromagnetic ferromagnetic core tube blank to a centrifugal drying machine through a chain plate type conveyor for drying, arranging cutting grooves on two sides of the electromagnetic ferromagnetic core tube blank, fixing a magnetism isolating ring in the cutting grooves through welding, and performing finish machining on the size and the appearance of the electromagnetic ferromagnetic core tube blank by adopting a profiling cutter to obtain the electromagnetic ferromagnetic core tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110142818.7A CN112959003B (en) | 2021-02-02 | 2021-02-02 | Processing technology of integrated electromagnetic ferromagnetic core tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110142818.7A CN112959003B (en) | 2021-02-02 | 2021-02-02 | Processing technology of integrated electromagnetic ferromagnetic core tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112959003A true CN112959003A (en) | 2021-06-15 |
| CN112959003B CN112959003B (en) | 2022-06-14 |
Family
ID=76271857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110142818.7A Active CN112959003B (en) | 2021-02-02 | 2021-02-02 | Processing technology of integrated electromagnetic ferromagnetic core tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112959003B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5696805A (en) * | 1979-12-29 | 1981-08-05 | Fuji Electric Co Ltd | Manufacture of electromagnetic iron core |
| CN102581556A (en) * | 2012-02-23 | 2012-07-18 | 绍兴康健镁业有限公司 | Processing technology of static iron core of electromagnetic valve |
| CN204961975U (en) * | 2015-09-24 | 2016-01-13 | 湖南科技大学 | Explosion -proof electro -magnet is used to safe type hydrovalve of essence |
| CN205318955U (en) * | 2016-01-21 | 2016-06-15 | 成都大学 | Little inertia screwed pipe formula electro -magnet |
| CN206326128U (en) * | 2016-08-31 | 2017-07-14 | 中山市华佑磁芯材料有限公司 | Integrally formed magnetic core mold |
| CN107900611A (en) * | 2017-11-01 | 2018-04-13 | 宁波固远管件有限公司 | A kind of hammer stem covers multiple step format cold-extrusion technology method |
| CN109175906A (en) * | 2018-09-30 | 2019-01-11 | 太仓西瑞金属制品有限公司 | The processing method of miniature magnetic core |
| CN109716455A (en) * | 2016-09-15 | 2019-05-03 | 日立金属株式会社 | Magnetic core and coil component |
| CN211779284U (en) * | 2019-12-24 | 2020-10-27 | 浙江亿业机械有限公司 | Magnetic core seam piece is decided to solenoid valve |
-
2021
- 2021-02-02 CN CN202110142818.7A patent/CN112959003B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5696805A (en) * | 1979-12-29 | 1981-08-05 | Fuji Electric Co Ltd | Manufacture of electromagnetic iron core |
| CN102581556A (en) * | 2012-02-23 | 2012-07-18 | 绍兴康健镁业有限公司 | Processing technology of static iron core of electromagnetic valve |
| CN204961975U (en) * | 2015-09-24 | 2016-01-13 | 湖南科技大学 | Explosion -proof electro -magnet is used to safe type hydrovalve of essence |
| CN205318955U (en) * | 2016-01-21 | 2016-06-15 | 成都大学 | Little inertia screwed pipe formula electro -magnet |
| CN206326128U (en) * | 2016-08-31 | 2017-07-14 | 中山市华佑磁芯材料有限公司 | Integrally formed magnetic core mold |
| CN109716455A (en) * | 2016-09-15 | 2019-05-03 | 日立金属株式会社 | Magnetic core and coil component |
| CN107900611A (en) * | 2017-11-01 | 2018-04-13 | 宁波固远管件有限公司 | A kind of hammer stem covers multiple step format cold-extrusion technology method |
| CN109175906A (en) * | 2018-09-30 | 2019-01-11 | 太仓西瑞金属制品有限公司 | The processing method of miniature magnetic core |
| CN211779284U (en) * | 2019-12-24 | 2020-10-27 | 浙江亿业机械有限公司 | Magnetic core seam piece is decided to solenoid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112959003B (en) | 2022-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103691874B (en) | A kind of thin-wall nut manufacturing process | |
| CN102527897A (en) | Forging method for thin-walled step short sleeve type main shaft flange of water turbine | |
| CN104226868B (en) | Valve body composite rolling ring forming method for ball valve | |
| CN101100027A (en) | Petroleum drilling rod joint extrusion forming technology method | |
| CN104889681A (en) | Method for processing welding neck flange | |
| CN102284669A (en) | Precise forming process of flange shaft | |
| CN109834211B (en) | Forging forming method of special-shaped cylinder | |
| CN112959003B (en) | Processing technology of integrated electromagnetic ferromagnetic core tube | |
| CN109175887B (en) | Production process and application of square step adjusting bolt | |
| CN105945521B (en) | A kind of square axle sleeve with square hole and its processing method and application | |
| CN110586758A (en) | Integrally-formed machining system and machining method for rolled shell | |
| CN101599674A (en) | The manufacture method of rotor and used self-aligning positioning mechanism thereof | |
| CN102357627B (en) | Method for machining valve spring retainer by continuous cold heading once near net shape forming | |
| CN110788175B (en) | Roll bending forming method and device for straight edge of pipe to be welded | |
| CN204620715U (en) | A kind of system being applicable to production in enormous quantities multiple section shaped metal wire rod | |
| CN110538953A (en) | Cold heading one-step forming process for automotive multi-step bushing | |
| CN112439827B (en) | Electromagnetic flanging forming device and method | |
| CN106345965B (en) | Automatic radial and end extrusion forming system for long-shaft parts and forming method thereof | |
| CN202097360U (en) | Cold heading blank of oil pipe joint | |
| CN113601111A (en) | Method for processing multi-slot bushing | |
| CN113441674A (en) | Cold heading precision forming method for reamed hole bolt | |
| CN207377946U (en) | A kind of cold heading blank of adjusting bolt | |
| CN110587240A (en) | Low-curvature linear guide rail machining process | |
| CN107626759A (en) | Motor pole preparation method | |
| CN218134727U (en) | Cold heading forming die assembly for cross-shaped thread insert bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211118 Address after: 455000 No. 2, north of west section of Changjiang Avenue, high tech Zone, Anyang City, Henan Province Applicant after: Anyang Kaidi Magnetic Technology Co.,Ltd. Address before: 455000 North Road, Changjiang Road, Anyang high tech Zone, Henan, China Applicant before: ANYANG KAIDI ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |