CN105014868A - Positioning device for magnet rotor injection molding insert - Google Patents
Positioning device for magnet rotor injection molding insert Download PDFInfo
- Publication number
- CN105014868A CN105014868A CN201510427846.8A CN201510427846A CN105014868A CN 105014868 A CN105014868 A CN 105014868A CN 201510427846 A CN201510427846 A CN 201510427846A CN 105014868 A CN105014868 A CN 105014868A
- Authority
- CN
- China
- Prior art keywords
- iron core
- mold insert
- injection molding
- runner
- insert
- 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
- 238000001746 injection moulding Methods 0.000 title claims abstract description 53
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000012778 molding material Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims description 30
- 239000007787 solid Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 abstract description 6
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007799 cork Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a positioning device for a magnet rotor injection molding insert. The positioning device comprises a movable mold plate, a fixed mold plate, a mold core, a mold core fixing sleeve, a mold cavity, a mold cavity pressing block, a runner plate, a magnet rotor injection molding mold cavity body, a sprue, the iron core insert, a movable positioning core, an injection molding material pipeline and a sub-runner. In the injection molding process, input runner pressure in the runner flowing process is provided by the sub-runner so as to push the movable positioning core to press the iron core insert downwards and fix the iron core insert into the magnet rotor injection molding mold cavity body; then, injection molding materials are injected through the sprue to perform injection molding; after injection molding, the runner flowing pressure is controlled to be a value which is not large enough to push out the movable positioning core any more, and then the movable positioning core does not press the iron core insert any more; an injection-molded magnet rotor inlaid with the iron core insert is drawn out of the magnet rotor injection molding mold cavity body, and then a finished injection-molded magnet rotor can be formed. The positioning device simplifies a complex structure, replaces the traditional structure mode that a spring presses an iron core insert into a magnet rotor injection molding mold cavity, guarantees sufficient pressing force and makes the iron core insert very firm.
Description
Technical field
The present invention relates to a kind of technical field of positioner, particularly relating to a kind ofly needs to position mold insert in it when producing magnet rotor moulding and insert-positioning device in utilize in flow passage process the pressure of self to promote magnet rotor injection moulding that activity orientation core compresses interior mold insert downwards, prevents the pressure because of internal mold insert too small and produces displacement or ejection.
Background technology
At present, in injecting magnetic rotor product process, need to carry out injection mo(u)lding to magnet rotor, at injection moulding process, need in iron core mold insert press-in injecting magnetic rotor cavity, after injection moulding, to be embedded in injecting magnetic rotor interior and form integrative-structure for iron core mold insert.Existing traditional method is, utilize the downward pressure of spring, in iron core mold insert press-in injecting magnetic rotor cavity, but because the channel space in spring press-in iron core mold insert is narrow, only have several microns, spring must select very thin structure, but the spring force that too small spring possesses exists again the problem of dynamics deficiency, the dynamics deficiency of spring is difficult to compress iron core mold insert, but also can replace the use of spring in prior art without any a kind of new construction or mode.Therefore, the traditional spring downward mode of existing use often can cause the problem such as displacement, ejection of iron core mold insert in injection moulding process, the scrappage also very high enterprise of produced injecting magnetic rotor product.In addition, compression for iron core mold insert to adopt the frame mode of resisting stubbornly, reason is mainly because the gauge of iron core mold insert is difficult to ensure unification, to have an appointment between part and part the deviation of 0.1mm, so can not, with the frame mode of resisting stubbornly, must be design by the mode of the movable adjustment in soft top.Although, also someone proposes to use some auxiliary fixing devices making for strengthening the fixing of iron core mold insert in conjunction with spring, but due to the structure of auxiliary fixing device comparatively complicated, it is larger that institute occupies structure space, be unfavorable for the Shooting Technique of injecting magnetic rotor, do not have large-scale use yet.
Summary of the invention
The object of the invention is the shortcoming in order to overcome above-mentioned prior art, insert-positioning device in a kind of magnet rotor injection moulding is provided, in this magnet rotor injection moulding, insert-positioning device is that the mode utilizing the pressure of self in flow passage process to compress iron core mold insert downwards replaces traditional spring downward mode, ensure to have and enough press down dynamics, prevent the displacement of iron core mold insert, make iron core mold insert very firmly be arranged in injecting magnetic rotor cavity; Its runner flowpath pressure promotes activity orientation core and compresses iron core mold insert, the tiny design of the lower pressure side of activity orientation core also meets the narrow space design being pressed down insertion passage of iron core mold insert, its injection operation handy and safe, volume is miniaturized, structure is simple, be injection molded into the injecting magnetic rotor finished product that qualification rate is high like a cork, there are very high production efficiency and market prospects.
The technical solution adopted for the present invention to solve the technical problems is: insert-positioning device in a kind of magnet rotor injection moulding, comprise moving platen and be mated close-connected solid plate, integrated core is installed in moving platen, it is outer and penetrate in solid plate that moving platen is protruded in the upper end of core, the core fixed cover entangling core is provided with in moving platen, be provided with die cavity in solid plate, the upper end of core is placed in die cavity, and die cavity both sides are respectively equipped with the die cavity briquetting for fixing die cavity, the top of solid plate is provided with runner plate, the upper end of core is provided with injecting magnetic rotor-type cavity, runner plate is provided with to be communicated with injection moulding rotor-type cavity and to input injection molding material and enters injection molding material pipeline in injection moulding rotor-type cavity, die cavity top is provided with the cast gate being positioned at injecting magnetic rotor-type cavity top, iron core mold insert is inlaid with in injecting magnetic rotor-type cavity, runner plate is provided with corresponding iron core mold insert and allows that iron core mold insert is embedded in the locating hole in injecting magnetic rotor-type cavity through runner plate, be provided with through locating hole and utilize flow passage pressure to promote suppressing action and press down the activity orientation core compressing iron core mold insert, locating hole is communicated with to be located on runner plate and to provide the runner of flow passage pressure.Moving platen and solid plate closely cooperate for the production of injecting magnetic rotor finished product, core fixed cover is used for fixedly entangling core makes core stablize, die cavity briquetting makes it firm for fixing die cavity equally, during injection moulding, utilize runner to provide the pressure itself of the flow passage process of input to promote activity orientation core and compress iron core mold insert downwards, iron core mold insert is made to be fixed in injecting magnetic rotor-type cavity, then poured into by cast gate and carry out injection moulding, after injection mo(u)lding, control runner flowing pressure and no longer release activity orientation core, activity orientation core no longer compresses iron core mold insert, activity orientation core is extracted out from iron core mold insert, finally the injecting magnetic rotor being inlaid with iron core mold insert is extracted out from injecting magnetic rotor die cavity, injecting magnetic rotor finished product can be formed.The injection moulding process of this structure is simple, simplify complicated structure, also instead of the frame mode in traditional spring downward iron core mold insert press-in injecting magnetic rotor-type lumen type chamber, not only simple but also easy to operate, ensure that the abundance of the dynamics of pressing down simultaneously, make iron core mold insert very firm.
Further, described runner is provided with the corresponding locating hole of a flow passage pressure output and the activity orientation core be pressed under utilizing runner stream power in locating hole.The flow passage pressure output of runner exports enough runner runner pressures, and very firm between each parts, and also make injecting magnetic rotor firmly coordinate in core in injection moulding process and install, the injecting magnetic rotor finished product after injection mo(u)lding is also very easy to take out.
Further, to pour in injection molding material to injecting magnetic rotor-type cavity with cast gate and promote activity orientation core with flow passage pressure and compress iron core mold insert downwards, make iron core mold insert be fixed in injecting magnetic rotor-type cavity and after injection moulding, form the injecting magnetic rotor finished product of integrative-structure.
Further, described iron core mold insert by top be nahlock, bottom is that the structure of cylinder forms T-shaped shape, the top of iron core mold insert is provided with semi-enclosed upper groove from top to bottom, the bottom of iron core mold insert is provided with semi-enclosed lower groove from bottom to top, core top to be inserted in lower groove and secured core mold insert, and the lower pressure side of activity orientation core to be inserted in upper groove and compressed iron core mold insert and is placed in injecting magnetic rotor cavity.The small volume of iron core mold insert, upper groove and lower groove are the use fixed, and also make it can be embedded in injecting magnetic rotor die cavity and are injection molded into the injecting magnetic rotor of integrative-structure.
Further, the diameter of described upper groove is 2-2.5mm, and the diameter dimension of the lower pressure side of activity orientation core mates with the diameter dimension of upper groove.The narrow space of groove on this, is not suitable for pressing down with spring, and because spring is little, dynamics is not enough to compress iron core mold insert; And the pressure adopting the mode of flow passage pressure to ensure to compress is sufficient, the effect that iron core mold insert is fixing can be ensured downwards.
In sum, in magnet rotor injection moulding of the present invention, insert-positioning device is that the mode utilizing the pressure of self in flow passage process to compress iron core mold insert downwards replaces traditional spring downward mode, ensure to have and enough press down dynamics, prevent the displacement of iron core mold insert, make iron core mold insert very firmly be arranged in injecting magnetic rotor cavity; Its runner flowpath pressure promotes activity orientation core and compresses iron core mold insert, the tiny design of the lower pressure side of activity orientation core also meets the narrow space design being pressed down insertion passage of iron core mold insert, its injection operation handy and safe, volume is miniaturized, structure is simple, be injection molded into the injecting magnetic rotor finished product that qualification rate is high like a cork, there are very high production efficiency and market prospects.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention 1 a kind of magnet rotor injection moulding in the section of structure of insert-positioning device;
Fig. 2 is the schematic diagram of the injecting magnetic rotor finished product of the embodiment of the present invention 1;
Fig. 3 is the schematic diagram of the iron core mold insert of the embodiment of the present invention 1.
Detailed description of the invention
Embodiment 1
Insert-positioning device in a kind of magnet rotor injection moulding described by the present embodiment 1, as shown in Figure 1, Figure 2, Fig. 3, comprise moving platen 1 and be mated close-connected solid plate 2, integrated core 3 is installed in moving platen, it is outer and penetrate in solid plate that moving platen is protruded in the upper end of core, the core fixed cover 4 entangling core is provided with in moving platen, be provided with die cavity 5 in solid plate, the upper end of core is placed in die cavity, and die cavity both sides are respectively equipped with the die cavity briquetting 6 for fixing die cavity, the top of solid plate is provided with runner plate 7, the upper end of core is provided with injecting magnetic rotor-type cavity, runner plate is provided with to be communicated with injection moulding rotor-type cavity and to input injection molding material and enters injection molding material pipeline 12 in injection moulding rotor-type cavity, die cavity top is provided with the cast gate 8 being positioned at injecting magnetic rotor-type cavity top, iron core mold insert 9 is inlaid with in injecting magnetic rotor-type cavity, runner plate is provided with corresponding iron core mold insert and allows that iron core mold insert is embedded in the locating hole in injecting magnetic rotor-type cavity through runner plate, be provided with through locating hole and utilize flow passage pressure to promote suppressing action and press down the activity orientation core 10 compressing iron core mold insert, locating hole is communicated with to be located on runner plate and to provide the runner 11 of flow passage pressure.Moving platen and solid plate closely cooperate for the production of injecting magnetic rotor finished product, core fixed cover is used for fixedly entangling core makes core stablize, die cavity briquetting makes it firm for fixing die cavity equally, during injection moulding, utilize runner to provide the pressure itself of the flow passage process of input to promote activity orientation core and compress iron core mold insert downwards, iron core mold insert is made to be fixed in injecting magnetic rotor-type cavity, then poured into by cast gate and carry out injection moulding, after injection mo(u)lding, control runner flowing pressure and no longer release activity orientation core, activity orientation core no longer compresses iron core mold insert, activity orientation core is extracted out from iron core mold insert, finally the injecting magnetic rotor being inlaid with iron core mold insert is extracted out from injecting magnetic rotor die cavity, injecting magnetic rotor finished product 17 can be formed.The injection moulding process of this structure is simple, simplify complicated structure, also instead of the frame mode in traditional spring downward iron core mold insert press-in injecting magnetic rotor-type lumen type chamber, not only simple but also easy to operate, ensure that the abundance of the dynamics of pressing down simultaneously, make iron core mold insert very firm.
This runner is provided with a corresponding locating hole of flow passage pressure output 13 and is pressed on the activity orientation core in locating hole under utilizing runner stream power.The flow passage pressure output of runner exports enough runner runner pressures, and very firm between each parts, and also make injecting magnetic rotor firmly coordinate in core in injection moulding process and install, the injecting magnetic rotor finished product after injection mo(u)lding is also very easy to take out
To pour in injection molding material to injecting magnetic rotor-type cavity with cast gate and promote activity orientation core with flow passage pressure and compress iron core mold insert downwards, make iron core mold insert be fixed in injecting magnetic rotor-type cavity and after injection moulding, form the injecting magnetic rotor finished product of integrative-structure.
This iron core mold insert by top be nahlock, bottom is that the structure of cylinder forms T-shaped shape, the top of iron core mold insert is provided with semi-enclosed upper groove 15 from top to bottom, the bottom of iron core mold insert is provided with semi-enclosed lower groove 16 from bottom to top, core top to be inserted in lower groove and secured core mold insert, and the lower pressure side of activity orientation core to be inserted in upper groove and compressed iron core mold insert and is placed in injecting magnetic rotor cavity.The small volume of iron core mold insert, upper groove and lower groove are the use fixed, and also make it can be embedded in injecting magnetic rotor die cavity and are injection molded into the injecting magnetic rotor of integrative-structure.
On this, the diameter of groove is 2-2.5mm, and the diameter dimension of the lower pressure side of activity orientation core mates with the diameter dimension of upper groove.The narrow space of groove on this, is not suitable for pressing down with spring, and because spring is little, dynamics is not enough to compress iron core mold insert; And the pressure adopting the mode of flow passage pressure to ensure to compress is sufficient, the effect that iron core mold insert is fixing can be ensured downwards.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to structure of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (5)
1. insert-positioning device in a magnet rotor injection moulding, it is characterized in that, comprise moving platen and be mated close-connected solid plate, integrated core is installed in moving platen, it is outer and penetrate in solid plate that moving platen is protruded in the upper end of core, is provided with the core fixed cover entangling core, is provided with die cavity in solid plate in moving platen, the upper end of core is placed in die cavity, and die cavity both sides are respectively equipped with the die cavity briquetting for fixing die cavity, the top of solid plate is provided with runner plate, the upper end of core is provided with injecting magnetic rotor-type cavity, runner plate is provided with to be communicated with injection moulding rotor-type cavity and to input injection molding material and enters injection molding material pipeline in injection moulding rotor-type cavity, die cavity top is provided with the cast gate being positioned at injecting magnetic rotor-type cavity top, iron core mold insert is inlaid with in injecting magnetic rotor-type cavity, runner plate is provided with corresponding iron core mold insert and allows that iron core mold insert is embedded in the locating hole in injecting magnetic rotor-type cavity through runner plate, be provided with through locating hole and utilize flow passage pressure to promote suppressing action and press down the activity orientation core compressing iron core mold insert, locating hole is communicated with to be located on runner plate and to provide the runner of flow passage pressure.
2. insert-positioning device in a kind of magnet rotor injection moulding according to claim 1, is characterized in that, described runner is provided with the corresponding locating hole of a flow passage pressure output and the activity orientation core be pressed under utilizing runner stream power in locating hole.
3. insert-positioning device in a kind of magnet rotor injection moulding according to claim 2, it is characterized in that, to pour in injection molding material to injecting magnetic rotor-type cavity with cast gate and promote activity orientation core with flow passage pressure and compress iron core mold insert downwards, make iron core mold insert be fixed in injecting magnetic rotor-type cavity and after injection moulding, form the injecting magnetic rotor finished product of integrative-structure.
4. insert-positioning device in a kind of magnet rotor injection moulding according to claim 3, it is characterized in that, described iron core mold insert by top be nahlock, bottom is that the structure of cylinder forms T-shaped shape, the top of iron core mold insert is provided with semi-enclosed upper groove from top to bottom, the bottom of iron core mold insert is provided with semi-enclosed lower groove from bottom to top, core top to be inserted in lower groove and secured core mold insert, and the lower pressure side of activity orientation core to be inserted in upper groove and compressed iron core mold insert and is placed in injecting magnetic rotor cavity.
5. insert-positioning device in a kind of magnet rotor injection moulding according to claim 4, is characterized in that, the diameter of described upper groove is 2-2.5mm, and the diameter dimension of the lower pressure side of activity orientation core mates with the diameter dimension of upper groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427846.8A CN105014868B (en) | 2015-07-21 | 2015-07-21 | Insert-positioning device in a kind of magnet rotor injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427846.8A CN105014868B (en) | 2015-07-21 | 2015-07-21 | Insert-positioning device in a kind of magnet rotor injection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105014868A true CN105014868A (en) | 2015-11-04 |
| CN105014868B CN105014868B (en) | 2017-09-12 |
Family
ID=54405337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510427846.8A Active CN105014868B (en) | 2015-07-21 | 2015-07-21 | Insert-positioning device in a kind of magnet rotor injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105014868B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690668A (en) * | 2016-03-31 | 2016-06-22 | 张家港倍恩特磁塑科技有限公司 | Die for direct current motor magnetic shoe quakeproof rotor |
| CN107053596A (en) * | 2016-12-02 | 2017-08-18 | 深圳市华冠五金模具有限公司 | A kind of pair of insulation rotor BMC integrally forming machine |
| CN112384347A (en) * | 2018-08-31 | 2021-02-19 | 宝马股份公司 | Mold for injection molding or casting of rotors |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01141713A (en) * | 1987-11-30 | 1989-06-02 | Fuji Elelctrochem Co Ltd | Mold for molded rotor |
| CN1291131A (en) * | 1997-09-05 | 2001-04-11 | 图尔勒有限公司 | Method and apparatus for supporting the ends of a resistance wire in an injection mould during manufacturing of electrically heat weldable plastic tube fittings |
| CN101767411A (en) * | 2010-01-18 | 2010-07-07 | 漳州市科泰精密科技有限公司 | Device capable of automatically pushing capacitance shells to form |
| CN103448212A (en) * | 2013-09-03 | 2013-12-18 | 江苏建筑职业技术学院 | Precision rotor injection mold |
| CN204894352U (en) * | 2015-07-21 | 2015-12-23 | 江门麦威电子科技有限公司 | Magnet rotor interior mold insert positioner that moulds plastics |
-
2015
- 2015-07-21 CN CN201510427846.8A patent/CN105014868B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01141713A (en) * | 1987-11-30 | 1989-06-02 | Fuji Elelctrochem Co Ltd | Mold for molded rotor |
| CN1291131A (en) * | 1997-09-05 | 2001-04-11 | 图尔勒有限公司 | Method and apparatus for supporting the ends of a resistance wire in an injection mould during manufacturing of electrically heat weldable plastic tube fittings |
| CN101767411A (en) * | 2010-01-18 | 2010-07-07 | 漳州市科泰精密科技有限公司 | Device capable of automatically pushing capacitance shells to form |
| CN103448212A (en) * | 2013-09-03 | 2013-12-18 | 江苏建筑职业技术学院 | Precision rotor injection mold |
| CN204894352U (en) * | 2015-07-21 | 2015-12-23 | 江门麦威电子科技有限公司 | Magnet rotor interior mold insert positioner that moulds plastics |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690668A (en) * | 2016-03-31 | 2016-06-22 | 张家港倍恩特磁塑科技有限公司 | Die for direct current motor magnetic shoe quakeproof rotor |
| CN105690668B (en) * | 2016-03-31 | 2018-01-30 | 张家港倍恩特磁塑科技有限公司 | Direct current generator magnetic shoe Shockproof rotor mould |
| CN107053596A (en) * | 2016-12-02 | 2017-08-18 | 深圳市华冠五金模具有限公司 | A kind of pair of insulation rotor BMC integrally forming machine |
| CN112384347A (en) * | 2018-08-31 | 2021-02-19 | 宝马股份公司 | Mold for injection molding or casting of rotors |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105014868B (en) | 2017-09-12 |
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