CN110895989A - Integrally formed inductor and manufacturing method thereof - Google Patents
Integrally formed inductor and manufacturing method thereof Download PDFInfo
- Publication number
- CN110895989A CN110895989A CN201810963762.XA CN201810963762A CN110895989A CN 110895989 A CN110895989 A CN 110895989A CN 201810963762 A CN201810963762 A CN 201810963762A CN 110895989 A CN110895989 A CN 110895989A
- Authority
- CN
- China
- Prior art keywords
- product
- spraying
- sand blasting
- machine
- integrally formed
- 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.)
- Pending
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- 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
- H01F41/005—Impregnating or encapsulating
-
- 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
- H01F41/04—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 coils
- H01F41/06—Coil winding
-
- 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
- H01F41/04—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 coils
- H01F41/10—Connecting leads to windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses an integrally formed inductor and a manufacturing method thereof, wherein the integrally formed inductor comprises the following steps: (1) winding: winding copper wire to fixed shape and size (coil) according to the specified requirement; (2) spot welding: welding the wound coil to the material sheet foot by using current welding; (3) molding: putting the spot-welded material sheet into a die, and wrapping and punching the iron powder by using a hydraulic punching machine; (4) sand blasting: the sand blasting machine uses glass sand to perform spray-punching molding to polish the surface of a product; (5) gluing: spraying corresponding paint on the surface of the molded product according to the design requirement; (6) code spraying: and (4) spraying and printing a product label on the product according to the design requirement. The invention further processes the finished product to improve the product quality and the qualification rate, thereby solving the problem that the product quality and the qualification rate of the product are influenced because the finished product is not further polished, sprayed, bent and the like after the conventional manufacturing process of the integrally formed inductor is formed.
Description
Technical Field
The invention relates to the technical field of electronic products, in particular to an integrally formed inductor and a manufacturing method thereof.
Background
The integrated into one piece inductance (mould pressing inductance) includes pedestal and winding body, and the seat system buries the winding body and forms in the inside die-casting of metal magnetic powder, and the SMD pin is drawn forth the foot direct forming in the pedestal surface for the winding body, and the inductance is SMD structural design, both can not damage the inductance during the use, can improve production efficiency again.
The appearance of the integrally formed inductor is attributed to the development of the computer mainboard technology and the development of the power supply technology: the CPU main frequency is higher and higher, so that the requirements for stable power supply and filtering are high, the integrally formed inductor solves the problem, can work for a long time under the condition of large current and can stably supply power to the CPU, the inductor has the most main function of filtering, and the integrally formed inductor is not inferior on the one hand. The good material characteristics and special design make the inductance structure more stable, the impedance is lower, therefore has higher efficiency.
In the existing manufacturing process of the integrally formed inductor, after the integrally formed inductor is formed, further polishing, spraying, foot bending and other treatment are not carried out on a finished product, so that the product quality and the product yield are influenced.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an integrally formed inductor and a manufacturing method thereof, which have the characteristics of further processing finished products and improving the product quality and the qualification rate, and solve the problem that the product quality and the product qualification rate are influenced because the finished products are not further polished, sprayed, bent and the like after being formed in the existing integrally formed inductor manufacturing process.
The invention provides the following technical scheme:
a manufacturing method of an integrally formed inductor comprises the following steps:
(1) winding: winding copper wire to fixed shape and size (coil) according to the specified requirement;
(2) spot welding: welding the wound coil to the material sheet foot by using current welding;
(3) molding: putting the spot-welded material sheet into a die, and wrapping and punching the iron powder by using a hydraulic punching machine;
(4) sand blasting: the sand blasting machine uses glass sand to perform spray-punching molding to polish the surface of a product;
(5) gluing: spraying corresponding paint on the surface of the molded product according to the design requirement;
(6) code spraying: spraying and printing a product label on a product according to design requirements;
(7) bending the feet: cutting off redundant material sheets of the formed product by using automatic equipment, and bending the end pins to be flatly attached to the surface of the product;
(8) and (3) testing: testing the electrical performance of the product according to the design requirement by using equipment test;
(9) external inspection: checking whether the appearance meets the design requirements;
(10) braiding: placing the qualified finished product into a woven carrier tape according to the design requirement, so that the finished product is convenient for a terminal customer to use;
(11) packaging: the woven carrier tape disc is placed in a packaging box, so that the transportation requirement is met, and the product is prevented from being damaged.
Preferably, the hydraulic press in step (3) is one of a column type press, a single-arm type press and a frame type press, wherein the column type press includes four columns, two columns, three columns, multiple columns and the like.
Preferably, the sand blasting machine in the step (4) adopts a press-in dry sand blasting machine or a suction dry sand blasting machine, wherein the press-in dry sand blasting machine is composed of four parts, namely a pressure tank, a medium power system, a pipeline system and a control system.
Preferably, the suction type dry sand blasting machine in the step (4) consists of a structural system, a medium power system, a pipeline system, a dust removal system, a control system and an auxiliary system.
Preferably, the glue is sprayed by adopting automatic spraying equipment in the step (5), and the automatic spraying equipment adopts one of an air spraying machine, a high-pressure airless spraying machine, an air-assisted airless spraying equipment, a low-flow medium-pressure spraying equipment, an airless spraying machine, a high-efficiency low-pressure spraying machine and an electrostatic spraying machine.
The invention also provides an integrally formed inductor manufactured by the manufacturing method.
The invention provides an integrally formed inductor and a manufacturing method thereof, wherein a formed product is subjected to sand blasting, a sand blasting machine is used for carrying out sand blasting forming by using glass sand to polish the surface of the product and glue application, namely, corresponding paint is sprayed, then code spraying, pin bending, testing, external inspection and other treatment are carried out, so that the quality of the formed product is improved, the quality and the qualification rate of the product are improved by further treating a finished product, and the problem that the quality and the qualification rate of the product are influenced because the finished product is not further polished, sprayed, bent and other treatment is solved after the formed product is formed by the existing integrally formed inductor manufacturing process.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
The invention provides a technical scheme that:
a manufacturing method of an integrally formed inductor comprises the following steps:
(1) winding: winding copper wire to fixed shape and size (coil) according to the specified requirement;
(2) spot welding: welding the wound coil to the material sheet foot by using current welding;
(3) molding: putting the spot-welded material sheet into a die, and wrapping and punching the iron powder by using a hydraulic punching machine;
(4) sand blasting: the sand blasting machine uses glass sand to perform spray-punching molding to polish the surface of a product;
(5) gluing: spraying corresponding paint on the surface of the molded product according to the design requirement;
(6) code spraying: spraying and printing a product label on a product according to design requirements;
(7) bending the feet: cutting off redundant material sheets of the formed product by using automatic equipment, and bending the end pins to be flatly attached to the surface of the product;
(8) and (3) testing: testing the electrical performance of the product according to the design requirement by using equipment test;
(9) external inspection: checking whether the appearance meets the design requirements;
(10) braiding: placing the qualified finished product into a woven carrier tape according to the design requirement, so that the finished product is convenient for a terminal customer to use;
(11) packaging: the woven carrier tape disc is placed in a packaging box, so that the transportation requirement is met, and the product is prevented from being damaged.
The invention also provides an integrally formed inductor manufactured by the manufacturing method.
Example one
Firstly, winding: winding copper wire to fixed shape and size (coil) according to the specified requirement; and then spot welding: welding the wound coil to the material sheet foot by using current welding; then molding: putting the spot-welded material sheet into a die, and wrapping and punching the iron powder by using a hydraulic punching machine; and then sandblasting: the sand blasting machine uses glass sand to perform spray-punching molding to polish the surface of a product; then gluing: spraying corresponding paint on the surface of the molded product according to the design requirement; and then code spraying: spraying and printing a product label on a product according to design requirements; then the foot is bent: cutting off redundant material sheets of the formed product by using automatic equipment, and bending the end pins to be flatly attached to the surface of the product; then testing: testing the electrical performance of the product according to the design requirement by using equipment test; then, external inspection: checking whether the appearance meets the design requirements; then, braiding: placing the qualified finished product into a woven carrier tape according to the design requirement, so that the finished product is convenient for a terminal customer to use; and (4) finally packaging: the woven carrier tape disc is placed in a packaging box, so that the transportation requirement is met, and the product is prevented from being damaged.
Example two
In the first embodiment, the following steps are added:
the hydraulic punching machine in the step (3) adopts one of a column type, a single arm type and a frame type, wherein the column type punching machine comprises four columns, double columns, three columns, multi-column type and the like.
Firstly, winding: winding copper wire to fixed shape and size (coil) according to the specified requirement; and then spot welding: welding the wound coil to the material sheet foot by using current welding; then molding: putting the spot-welded material sheet into a die, and wrapping iron powder by using a hydraulic punching machine for punch forming, wherein the hydraulic punching machine adopts one of a column type, a single-arm type and a frame type, and the column type punching machine comprises four columns, double columns, three columns, multi-column type and the like; and then sandblasting: the sand blasting machine uses glass sand to perform spray-punching molding to polish the surface of a product; then gluing: spraying corresponding paint on the surface of the molded product according to the design requirement; and then code spraying: spraying and printing a product label on a product according to design requirements; then the foot is bent: cutting off redundant material sheets of the formed product by using automatic equipment, and bending the end pins to be flatly attached to the surface of the product; then testing: testing the electrical performance of the product according to the design requirement by using equipment test; then, external inspection: checking whether the appearance meets the design requirements; then, braiding: placing the qualified finished product into a woven carrier tape according to the design requirement, so that the finished product is convenient for a terminal customer to use; and (4) finally packaging: the woven carrier tape disc is placed in a packaging box, so that the transportation requirement is met, and the product is prevented from being damaged.
EXAMPLE III
In the second embodiment, the following steps are added:
and (4) adopting a press-in dry sand blasting machine or a suction dry sand blasting machine as the sand blasting machine in the step (4), wherein the press-in dry sand blasting machine consists of four parts, namely a pressure tank, a medium power system, a pipeline system and a control system.
Firstly, winding: winding copper wire to fixed shape and size (coil) according to the specified requirement; and then spot welding: welding the wound coil to the material sheet foot by using current welding; then molding: putting the spot-welded material sheet into a die, and wrapping iron powder by using a hydraulic punching machine for punch forming, wherein the hydraulic punching machine adopts one of a column type, a single-arm type and a frame type, and the column type punching machine comprises four columns, double columns, three columns, multi-column type and the like; and then sandblasting: the method comprises the following steps that a sand blasting machine polishes the surface of a product by using glass sand blasting forming, wherein the sand blasting machine adopts a press-in dry sand blasting machine or a suction dry sand blasting machine, and the press-in dry sand blasting machine consists of four parts, namely a pressure tank, a medium power system, a pipeline system and a control system; then gluing: spraying corresponding paint on the surface of the molded product according to the design requirement; and then code spraying: spraying and printing a product label on a product according to design requirements; then the foot is bent: cutting off redundant material sheets of the formed product by using automatic equipment, and bending the end pins to be flatly attached to the surface of the product; then testing: testing the electrical performance of the product according to the design requirement by using equipment test; then, external inspection: checking whether the appearance meets the design requirements; then, braiding: placing the qualified finished product into a woven carrier tape according to the design requirement, so that the finished product is convenient for a terminal customer to use; and (4) finally packaging: the woven carrier tape disc is placed in a packaging box, so that the transportation requirement is met, and the product is prevented from being damaged.
Example four
In the third embodiment, the following steps are added:
the suction dry sand blasting machine in the step (4) consists of a structural system, a medium power system, a pipeline system, a dust removal system, a control system and an auxiliary system.
Firstly, winding: winding copper wire to fixed shape and size (coil) according to the specified requirement; and then spot welding: welding the wound coil to the material sheet foot by using current welding; then molding: putting the spot-welded material sheet into a die, and wrapping iron powder by using a hydraulic punching machine for punch forming, wherein the hydraulic punching machine adopts one of a column type, a single-arm type and a frame type, and the column type punching machine comprises four columns, double columns, three columns, multi-column type and the like; and then sandblasting: the method comprises the following steps that a sand blasting machine polishes the surface of a product by using glass sand blasting molding, wherein the sand blasting machine adopts a press-in dry sand blasting machine or a suction dry sand blasting machine, the press-in dry sand blasting machine comprises a pressure tank, a medium power system, a pipeline system and a control system, and the suction dry sand blasting machine comprises a structural system, a medium power system, a pipeline system, a dust removal system, a control system and an auxiliary system; then gluing: spraying corresponding paint on the surface of the molded product according to the design requirement; and then code spraying: spraying and printing a product label on a product according to design requirements; then the foot is bent: cutting off redundant material sheets of the formed product by using automatic equipment, and bending the end pins to be flatly attached to the surface of the product; then testing: testing the electrical performance of the product according to the design requirement by using equipment test; then, external inspection: checking whether the appearance meets the design requirements; then, braiding: placing the qualified finished product into a woven carrier tape according to the design requirement, so that the finished product is convenient for a terminal customer to use; and (4) finally packaging: the woven carrier tape disc is placed in a packaging box, so that the transportation requirement is met, and the product is prevented from being damaged.
EXAMPLE five
In the fourth example, the following steps were added:
and (5) coating the glue in the step (5) by adopting automatic spraying equipment for paint spraying, wherein the automatic spraying equipment adopts one of an air spraying machine, a high-pressure airless spraying machine, an air-assisted airless spraying equipment, a low-flow medium-pressure spraying equipment, an airless spraying machine, a high-efficiency low-pressure spraying machine and an electrostatic spraying machine.
Firstly, winding: winding copper wire to fixed shape and size (coil) according to the specified requirement; and then spot welding: welding the wound coil to the material sheet foot by using current welding; then molding: putting the spot-welded material sheet into a die, and wrapping iron powder by using a hydraulic punching machine for punch forming, wherein the hydraulic punching machine adopts one of a column type, a single-arm type and a frame type, and the column type punching machine comprises four columns, double columns, three columns, multi-column type and the like; and then sandblasting: the method comprises the following steps that a sand blasting machine polishes the surface of a product by using glass sand blasting molding, wherein the sand blasting machine adopts a press-in dry sand blasting machine or a suction dry sand blasting machine, the press-in dry sand blasting machine comprises a pressure tank, a medium power system, a pipeline system and a control system, and the suction dry sand blasting machine comprises a structural system, a medium power system, a pipeline system, a dust removal system, a control system and an auxiliary system; then gluing: spraying corresponding paint on the surface of a molded product according to design requirements, gluing and spraying the paint by adopting automatic spraying equipment, wherein the automatic spraying equipment adopts one of an air spraying machine, a high-pressure airless spraying machine, an air-assisted airless spraying equipment, a low-flow medium-pressure spraying equipment, an airless spraying machine, a high-efficiency low-pressure spraying machine and an electrostatic spraying machine; and then code spraying: spraying and printing a product label on a product according to design requirements; then the foot is bent: cutting off redundant material sheets of the formed product by using automatic equipment, and bending the end pins to be flatly attached to the surface of the product; then testing: testing the electrical performance of the product according to the design requirement by using equipment test; then, external inspection: checking whether the appearance meets the design requirements; then, braiding: placing the qualified finished product into a woven carrier tape according to the design requirement, so that the finished product is convenient for a terminal customer to use; and (4) finally packaging: the woven carrier tape disc is placed in a packaging box, so that the transportation requirement is met, and the product is prevented from being damaged.
According to the invention, the formed product is subjected to sand blasting, the sand blasting machine uses glass sand to perform spray-punching forming to polish the surface of the product and perform gluing, namely corresponding paint is sprayed, then code spraying, foot bending, testing, external inspection and other treatment are performed, so that the quality of the formed product is improved, the quality and the qualification rate of the product are improved by further treating the finished product, and the problem that the quality and the qualification rate of the product are influenced because the finished product is not subjected to further polishing, foot spraying, foot bending and other treatment in the existing manufacturing process of the integrally formed inductor after forming is solved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A manufacturing method of an integrally formed inductor is characterized by comprising the following steps: the method comprises the following steps:
(1) winding: winding copper wire to fixed shape and size (coil) according to the specified requirement;
(2) spot welding: welding the wound coil to the material sheet foot by using current welding;
(3) molding: putting the spot-welded material sheet into a die, and wrapping and punching the iron powder by using a hydraulic punching machine;
(4) sand blasting: the sand blasting machine uses glass sand to perform spray-punching molding to polish the surface of a product;
(5) gluing: spraying corresponding paint on the surface of the molded product according to the design requirement;
(6) code spraying: spraying and printing a product label on a product according to design requirements;
(7) bending the feet: cutting off redundant material sheets of the formed product by using automatic equipment, and bending the end pins to be flatly attached to the surface of the product;
(8) and (3) testing: testing the electrical performance of the product according to the design requirement by using equipment test;
(9) external inspection: checking whether the appearance meets the design requirements;
(10) braiding: placing the qualified finished product into a woven carrier tape according to the design requirement, so that the finished product is convenient for a terminal customer to use;
(11) packaging: the woven carrier tape disc is placed in a packaging box, so that the transportation requirement is met, and the product is prevented from being damaged.
2. The method of claim 1, wherein the method comprises: the hydraulic punching machine in the step (3) adopts one of a column type, a single arm type and a frame type, wherein the column type punching machine comprises four columns, double columns, three columns, multi-column type and the like.
3. The method of claim 1, wherein the method comprises: and (4) adopting a press-in dry sand blasting machine or a suction dry sand blasting machine as the sand blasting machine in the step (4), wherein the press-in dry sand blasting machine consists of four parts, namely a pressure tank, a medium power system, a pipeline system and a control system.
4. The method of claim 3, wherein the step of forming the inductor comprises: and (4) the suction dry sand blasting machine consists of a structural system, a medium power system, a pipeline system, a dust removal system, a control system and an auxiliary system.
5. The method of claim 1, wherein the method comprises: and (5) paint spraying is carried out on the glue in the step (5) by adopting automatic spraying equipment, and the automatic spraying equipment adopts one of an air spraying machine, a high-pressure airless spraying machine, an air-assisted airless spraying equipment, a low-flow medium-pressure spraying equipment, an airless spraying machine, a high-efficiency low-pressure spraying machine and an electrostatic spraying machine.
6. An integrally formed inductor, comprising: the integrally formed inductor is prepared by the manufacturing method of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963762.XA CN110895989A (en) | 2018-08-23 | 2018-08-23 | Integrally formed inductor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963762.XA CN110895989A (en) | 2018-08-23 | 2018-08-23 | Integrally formed inductor and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110895989A true CN110895989A (en) | 2020-03-20 |
Family
ID=69784764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810963762.XA Pending CN110895989A (en) | 2018-08-23 | 2018-08-23 | Integrally formed inductor and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110895989A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200802434A (en) * | 2006-06-01 | 2008-01-01 | Chieh Li | Manufacturing method of transformers |
| US20100039197A1 (en) * | 2008-08-12 | 2010-02-18 | Chang-Mao Cheng | Inductor structure |
| US20100164666A1 (en) * | 2008-12-29 | 2010-07-01 | Shih-Jung Yang | Structure and manufacturing process of a coil |
| CN101937765A (en) * | 2010-04-26 | 2011-01-05 | 广东风华高新科技股份有限公司 | Manufacturing method of inductor |
| CN103390490A (en) * | 2013-08-14 | 2013-11-13 | 重庆市金籁电子科技有限公司 | Inductor manufacturing method |
| CN103915236A (en) * | 2014-04-01 | 2014-07-09 | 黄伟嫦 | Novel inductor and manufacturing method thereof |
| CN108133801A (en) * | 2017-12-15 | 2018-06-08 | 贵阳顺络迅达电子有限公司 | A kind of integrally-formed inductor and preparation method thereof |
-
2018
- 2018-08-23 CN CN201810963762.XA patent/CN110895989A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200802434A (en) * | 2006-06-01 | 2008-01-01 | Chieh Li | Manufacturing method of transformers |
| US20100039197A1 (en) * | 2008-08-12 | 2010-02-18 | Chang-Mao Cheng | Inductor structure |
| US20100164666A1 (en) * | 2008-12-29 | 2010-07-01 | Shih-Jung Yang | Structure and manufacturing process of a coil |
| CN101937765A (en) * | 2010-04-26 | 2011-01-05 | 广东风华高新科技股份有限公司 | Manufacturing method of inductor |
| CN103390490A (en) * | 2013-08-14 | 2013-11-13 | 重庆市金籁电子科技有限公司 | Inductor manufacturing method |
| CN103915236A (en) * | 2014-04-01 | 2014-07-09 | 黄伟嫦 | Novel inductor and manufacturing method thereof |
| CN108133801A (en) * | 2017-12-15 | 2018-06-08 | 贵阳顺络迅达电子有限公司 | A kind of integrally-formed inductor and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7089576B2 (en) | Manufacturing method of integrated chip inductor consisting of metal magnetic powder core | |
| CN205888558U (en) | Full automotive vehicle tablet apparatus for producing | |
| CN110895989A (en) | Integrally formed inductor and manufacturing method thereof | |
| CN1988070B (en) | Manufacturing method of surface mount type plastic package inductor | |
| JP2006304869A (en) | Method of manufacturing headrest stay | |
| CN210907584U (en) | Auxiliary stabilizing device in automobile part stamping mechanism | |
| CN110534327A (en) | A kind of integrated inductor production line | |
| CN105244161A (en) | Manufacturing method of transformer iron core | |
| CN209614805U (en) | A kind of assembling fitting line of wireless charging mould group | |
| CN114400139A (en) | Integrally-formed inductor bending method | |
| CN103390490A (en) | Inductor manufacturing method | |
| CN110853904B (en) | Novel winding magnetic shielding inductor and production method thereof | |
| CN103231210B (en) | Flat-panel television surface frame and preparation method thereof | |
| CN208098431U (en) | A kind of spray painting smelting tool for display frame | |
| CN113210239A (en) | Processing technology of metal display rack | |
| CN218361682U (en) | Automatic antenna lamination equipment of cell-phone battery case | |
| CN209648092U (en) | A kind of double-station discrete piece enters axis machine | |
| CN107584249A (en) | A kind of manufacturing process of nameplate | |
| CN101937765B (en) | Manufacturing method of inductor | |
| CN202749226U (en) | Automatic feeding and discharging tray jig | |
| CN207617174U (en) | A kind of punching machine pedestal and punching machine tooling | |
| CN210307264U (en) | Wire drawing equipment for aluminum product processing | |
| CN208978304U (en) | It is a kind of for processing the splicer of fast-assembling tire | |
| CN205645534U (en) | Novel transformer divides wire winding mould to one side | |
| CN204878270U (en) | Vacuum suction disc and vacuum chuck |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200320 |