CN106975670A - A kind of ultrasonic assistant pressurizing unit and method - Google Patents
A kind of ultrasonic assistant pressurizing unit and method Download PDFInfo
- Publication number
- CN106975670A CN106975670A CN201710258403.XA CN201710258403A CN106975670A CN 106975670 A CN106975670 A CN 106975670A CN 201710258403 A CN201710258403 A CN 201710258403A CN 106975670 A CN106975670 A CN 106975670A
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- Prior art keywords
- ultrasonic
- core
- transducer
- pressurizing unit
- fixing plate
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/004—Extruding metal; Impact extrusion using vibratory energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/06—Making sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
Abstract
A kind of ultrasonic assistant pressurizing unit and method, belong to ultrasonic extrusion process technical field.The present invention technical characterstic be：It is made up of ultrasonic assistant system and mould pressurizing unit；Multiple transducer annular arrays are around core fixing plate, transducer is set up with die backing plate by transducer fixed block and is connected, supersonic generator is connected with transducer, the inner of transducer is provided with ultrasonic transformer, it is provided with core fixing plate in ultrasonic transformer mounting hole, ultrasonic transformer insertion ultrasonic transformer mounting hole, embryo material can improve the finish of compressive surface after being extruded by ultrasonic assistant, and the fine grain layer depth of compressive surface can be improved, so as to improve extruding quality.The step of preparation method of the present invention：Package unit is placed on forcing press；Open ultrasonic assistant system；Embryo material is put into mould；Drift is descending, according to the type of core, is squeezed into cylindrical bar, lath shape.The present invention is used for the extruding of cylindrical bar and slab bar.
Description
Technical field
The present invention relates to a kind of ultrasonic pressurizing unit and method, and in particular to a kind of ultrasonic assistant pressurizing unit and side
Method, belongs to material plasticity field shaping technique.
Background technology
The explanation of ultrasonic vibration Plastic Forming mechanism mainly has：Bulk effect and skin effect.For the solution of bulk effect
Release and be based primarily upon the related thermally softening of dislocation, the high energy exciting of ultrasonic wave promotes crystals dislocation migration and propagation, dislocation
Density increase, microstructure capacity of self-regulation enhancing, when crystals energy accumulation to a certain extent, it is possible to depart from about
Beam produces plastic deformation.The explanation of skin effect mainly considers externalities, and the batch (-type) between ultrasonic vibration and mould connects
Touch so that blank has the separation of moment with machining tool within each vibration period so that frictional force reduces；While frictional force
The cyclically-varying in direction, makes frictional force not hinder processing not only, on the contrary as processing dynamicses；In addition the part caused is vibrated
Fuel factor causes the weldbonding phenomenon in process to reduce.
During room temperature, only have basal plane to produce dislocation movement by slip in magnesium alloy crystal, plastic deformation ability now is excessively poor,
However as the rise of temperature, the potential nonbasal slip system such as some prismatic surfaces and the conical surface can be activated, the plasticity of magnesium alloy becomes
Shape ability is significantly improved, while with the rise of temperature in deformation process, the yield strength of material can be reduced, because
This is in the case where external load is constant, and the deformation extent of material can be accordingly increased.Ultrasonic wave is one kind of mechanical energy, when it
When being propagated in solid dielectric, the part in energy can be absorbed or be lost, because excusing from death ripple is in communication process
Thermoelasticity loss, interior friction, magnetic hysteresis loss between crystal dislocation etc. are had, and these energy lost will be changed into
Heat energy, causes the rise of media interior temperature, therefore the present apparatus proposes a kind of ultrasonic assistant extruding dress based on this phenomenon
Put, it is desired to be able to provide reference to magnesium alloy normal temperature extrusion molding.
The content of the invention
The brief overview on the present invention is given below, to provide on the basic of certain aspects of the invention
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction on the present invention.It is not intended to determine the pass of the present invention
Key or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides some concepts in simplified form,
In this, as the preamble in greater detail discussed later.
In consideration of it, in order to overcome the problem of magnesium alloy normal temperature plastic deformation is more difficult to be filled there is provided a kind of extruding of ultrasonic wave added
Put and method, the plastic deformation of magnesium alloy can be realized under normal temperature environment.
Scheme one：The invention provides a kind of ultrasonic assistant pressurizing unit, including mould pressurizing unit, the mould is squeezed
Pressure device includes：Die cavity, extruding core, core fixing plate and die backing plate；Core fixing plate is arranged on die backing plate, extruding
Core is arranged in core fixing plate, and die cavity is installed with the upper surface of core fixing plate, and die cavity is connected with extruding core,
Embryo material is placed in die cavity, and drift is placed in the surface at die cavity center；It is auxiliary that a kind of ultrasonic assistant pressurizing unit also includes ultrasonic wave
Auxiliary system, the ultrasonic assistant system includes：Supersonic generator, multiple transducers, multiple ultrasonic transformers and multiple transducers
Fixed block；It is identical that transducer, ultrasonic transformer fix number of blocks with transducer；The multiple transducer annular array is in core fixing plate
Around, each transducer is set up with die backing plate by a transducer fixed block and is connected, supersonic generator and transducing
Device is connected, and the inner of each transducer is mounted on being provided with ultrasonic transformer mounting hole on a ultrasonic transformer, core fixing plate, described
In ultrasonic transformer insertion ultrasonic transformer mounting hole.Embryo material can extrude into plate by the effect of ultrasonic auxiliary device and extruding core
Shape bar or cylindric bar.The ultrasonic transformer that energy is transformed into by supersonic generator by transducer, is squeezed so as to complete auxiliary
Press through journey.Ultrasonic transformer mounting hole, is easy to the installation of ultrasonic transformer.
Further：The ultrasonic transformer is horizontally inserted in core fixing plate, and the axis and core fixing plate of ultrasonic transformer
Vertical and intersectant centerline.
Further：The ultrasonic assistant system also includes the ultrasonic transformer fixed block consistent with ultrasonic transformer quantity, each
Ultrasonic transformer is set up with die backing plate by a ultrasonic transformer fixed block and is connected.
Further：The extruding core is that lath extrudes core or forward extrusion core.It can be installed on core fixing plate
Various extruding cores, for example：The ultrasound that various ways can be completed on lath extruding core and forward extrusion core, a kind of mould is squeezed
Pressure, bar of different shapes can be made as needed.
Further：Die cavity and core fixing plate are bolted together by four.
Further：Core fixing plate, transducer fixed block and ultrasonic transformer fixed block, are fixed on mould by way of welding
Have on backing plate.
Scheme two：A kind of ultrasonic assistant pressing method proposed by the present invention, this method is based on super described in scheme one
What sound wave accessory system and mould pressurizing unit were realized, specific steps：
First, package unit is placed on forcing press；
2nd, ultrasonic assistant system is opened；
3rd, embryo material is put into mould；
4th, drift is descending, according to the type of cavity plate core, can extrude into cylindrical bar, lath shape.
The present invention is used for the extruding of cylindrical bar and slab bar.
Further：The embryo material is the light alloy materials such as aluminium alloy or magnesium alloy.
Beneficial effect：
The present invention is made up of ultrasonic assistant system and mould pressurizing unit；Embryo material can after being extruded by ultrasonic assistant
The finish of compressive surface is improved, and the fine grain layer depth of compressive surface can be improved, so as to improve extruding quality.The present invention
Package unit is placed on forcing press；Open ultrasonic assistant system；Embryo material is put into mould；Drift is descending, according to recessed
The type of model core, can extrude into the shapes such as cylindrical bar, lath.The present invention is used for cylindrical bar and slab bar
Extruding.
Brief description of the drawings
Fig. 1 is the entirety sectional view of the present invention；
Fig. 2 is the schematic three dimensional views of the present invention；
Fig. 3 is the mould schematic diagram of the present invention；
Fig. 4 is lath extruding core top view；
Fig. 5 is Fig. 4 A-A profiles；
Fig. 6 is the top view of forward extrusion core；
Fig. 7 is Fig. 6 B-B profiles；
Fig. 8 is the top view of core fixing plate；
Fig. 9 is Fig. 8 C-C profiles.
Embodiment
The one exemplary embodiment of the present invention is described hereinafter in connection with accompanying drawing.For clarity and conciseness,
All features of actual embodiment are not described in the description.It should be understood, however, that developing any this actual implementation
Many decisions specific to embodiment must be made during example, to realize the objectives of developer, for example, symbol
Those restrictive conditions related to system and business are closed, and these restrictive conditions may have with the difference of embodiment
Changed.In addition, it also should be appreciated that, although development is likely to be extremely complex and time-consuming, but to having benefited from the present invention
For those skilled in the art of disclosure, this development is only routine task.
Herein, in addition it is also necessary to which explanation is a bit, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings
It illustrate only and according to the closely related apparatus structure of the solution of the present invention and/or process step, and eliminate and the present invention
The little other details of relation.
As shown in drawings The embodiment provides ultrasonic assistant pressurizing unit, including mould pressurizing unit, institute
Stating mould pressurizing unit includes：Die cavity 4, extruding core 7, core fixing plate 11 and die backing plate 10；Core fixing plate 11 is installed
On die backing plate 10, extruding core 7 is arranged in core fixing plate 11, is installed with the upper surface of core fixing plate 11
Die cavity 4, die cavity 4 is connected with extruding core 7, and embryo material 6 is placed in die cavity 4, and drift 5 is placed in the surface at the center of die cavity 4；One kind is super
Sound wave auxiliary extrusion device also includes ultrasonic assistant system, and the ultrasonic assistant system includes：It is supersonic generator 1, many
Individual transducer 2, multiple ultrasonic transformers 3 and multiple transducer fixed blocks 8；Transducer 2, ultrasonic transformer 3 and the quantity phase of transducer fixed block 8
Together；The multiple annular array of transducer 2 is around core fixing plate 11, and each transducer 2 is solid by a transducer
Determine block 8 to be connected with the foundation of die backing plate 10, supersonic generator 1 is connected with transducer 2, and the inner of each transducer 2 is respectively mounted
Have and ultrasonic transformer mounting hole is provided with a ultrasonic transformer 3, core fixing plate 11, in the insertion of the ultrasonic transformer 3 ultrasonic transformer mounting hole.
Embryo material can extrude into plate shape bar or cylindric bar by the effect of ultrasonic auxiliary device and extruding core.Ultrasonic wave
The ultrasonic transformer that energy is transformed into by generator by transducer, so as to complete assisted extrusion process.Ultrasonic transformer mounting hole, is easy to become
The installation of width bar.
More specifically：The ultrasonic transformer 3 is horizontally inserted in core fixing plate 11, and the axis of ultrasonic transformer 3 is fixed with core
The vertical and intersectant centerline of plate 11.The ultrasonic assistant system also includes the ultrasonic transformer fixed block consistent with the quantity of ultrasonic transformer 3
9, each ultrasonic transformer 3 is set up with die backing plate 10 by a ultrasonic transformer fixed block 9 and is connected.The extruding core 7 is lath
Extrude core 7-1 or forward extrusion core 7-2.Various extruding cores can be installed, for example on core fixing plate：Lath extrudes core
With forward extrusion core, the ultrasound extruding of various ways can be completed on a kind of mould, rod of different shapes can be made as needed
Material.Die cavity 4 and core fixing plate 11 are linked together by four bolts 12.Core fixing plate 11, transducer fixed block 8 and change
Width bar fixed block 9, is fixed on by way of welding on die backing plate 10.
A kind of ultrasonic assistant pressing method, specific steps：
First, package unit is placed on forcing press；
2nd, ultrasonic assistant system is opened；
3rd, embryo material is put into mould；
4th, drift is descending, according to the type of cavity plate core, can extrude into cylindrical bar, lath shape.
The present invention is used for the extruding of cylindrical bar and slab bar.The embryo material, which is that aluminium alloy or magnesium alloy etc. are light, to be closed
Golden material.
Although disclosed embodiment is as above, its content is only to facilitate understand the technical side of the present invention
Case and the embodiment used, are not intended to limit the present invention.Any those skilled in the art to which this invention pertains, not
On the premise of departing from disclosed core technology scheme, any modification can be made in the form and details of implementation with becoming
Change, but the protection domain that the present invention is limited, the scope that must be still limited by appended claims are defined.
Claims (8)
1. a kind of ultrasonic assistant pressurizing unit, including mould pressurizing unit, the mould pressurizing unit include：Die cavity (4), squeeze
Die mould core (7), core fixing plate (11) and die backing plate (10)；Core fixing plate (11) is arranged on die backing plate (10), is squeezed
Die mould core (7) is arranged in core fixing plate (11), and die cavity (4), type are installed with the upper surface of core fixing plate (11)
Chamber (4) is connected with extruding core (7), and embryo material (6) is placed in die cavity (4), and drift (5) is placed in the surface at die cavity (4) center；
It is characterized in that：A kind of ultrasonic assistant pressurizing unit also includes ultrasonic assistant system, the ultrasonic assistant system
Including：Supersonic generator (1), multiple transducers (2), multiple ultrasonic transformers (3) and multiple transducer fixed blocks (8)；Transducer
(2), ultrasonic transformer (3) is identical with transducer fixed block (8) quantity；The multiple transducer (2) annular array is in core fixing plate
(11) around, each transducer (2) is set up with die backing plate (10) by a transducer fixed block (8) and is connected, ultrasound
Wave producer (1) is connected with transducer (2), and the inner of each transducer (2) is mounted on a ultrasonic transformer (3), and core is fixed
It is provided with plate (11) in ultrasonic transformer mounting hole, ultrasonic transformer (3) the insertion ultrasonic transformer mounting hole.
2. a kind of ultrasonic assistant pressurizing unit according to claim 1, it is characterised in that：Ultrasonic transformer (3) level
Insert in core fixing plate (11), and the vertical and intersectant centerline of the axis and core fixing plate (11) of ultrasonic transformer (3).
3. a kind of ultrasonic assistant pressurizing unit according to claim 1 or 2, it is characterised in that：The ultrasonic assistant
System also includes the ultrasonic transformer fixed block (9) consistent with ultrasonic transformer (3) quantity, and each ultrasonic transformer (3) passes through a ultrasonic transformer
Fixed block (9) is set up with die backing plate (10) and is connected.
4. a kind of ultrasonic assistant pressurizing unit according to claim 3, it is characterised in that：It is described extruding core (7) be
Lath extruding core (7-1) or forward extrusion core (7-2).
5. a kind of ultrasonic assistant pressurizing unit according to claim 4, it is characterised in that：Die cavity (4) and core are fixed
Plate (11) is linked together by four bolts (12).
6. a kind of ultrasonic assistant pressurizing unit according to claim 5, it is characterised in that：Core fixing plate (11), change
Energy device fixed block (8) and ultrasonic transformer fixed block (9), are fixed on by way of welding on die backing plate (10).
7. a kind of ultrasonic assistant pressing method, this method is to be based on any ultrasonic assistant system in claim 1~6
Realized with mould pressurizing unit, it is characterised in that：Specific steps：
First, ultrasonic assistant pressurizing unit is placed on forcing press；
2nd, ultrasonic assistant system is opened；
3rd, embryo material is put into mould；
4th, drift is descending, according to the type of extruding core, is squeezed into cylindrical bar or lath shape.
8. a kind of ultrasonic assistant extruding side according to claim 7, it is characterised in that：The embryo material is aluminium alloy or magnesium
Alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710258403.XA CN106975670A (en) | 2017-04-19 | 2017-04-19 | A kind of ultrasonic assistant pressurizing unit and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710258403.XA CN106975670A (en) | 2017-04-19 | 2017-04-19 | A kind of ultrasonic assistant pressurizing unit and method |
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| CN106975670A true CN106975670A (en) | 2017-07-25 |
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| CN201710258403.XA Pending CN106975670A (en) | 2017-04-19 | 2017-04-19 | A kind of ultrasonic assistant pressurizing unit and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413871A (en) * | 2017-09-28 | 2017-12-01 | 中国地质大学（武汉） | A kind of composite ultraphonic vibration aids in micro- extrusion molding process equipment |
| CN108213438A (en) * | 2018-03-29 | 2018-06-29 | 山东建筑大学 | A kind of titanium alloy high-strength direct rack processing method |
| CN109290382A (en) * | 2018-10-12 | 2019-02-01 | 兰州理工大学 | A kind of pressurizing unit of continuous equal channel angle |
| WO2019113995A1 (en) * | 2017-12-11 | 2019-06-20 | 华中科技大学 | Plastic forming and toughening process method and apparatus based on ultrasonic vibration |
| CN110103500A (en) * | 2019-04-28 | 2019-08-09 | 南京理工大学 | A kind of indexable unidirectional pressure setting of slotting cutter blade of ultrasonic wave added |
| CN110695108A (en) * | 2019-09-16 | 2020-01-17 | 中国地质大学（武汉） | Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment and forming method |
| CN110695109A (en) * | 2019-09-16 | 2020-01-17 | 中国地质大学（武汉） | Multidirectional composite ultrasonic vibration assisted ECAP (electron cyclotron resonance imaging) forming processing equipment and forming method |
| CN112974558A (en) * | 2019-12-13 | 2021-06-18 | 财团法人金属工业研究发展中心 | Extrusion apparatus, extrusion method thereof and product thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196607A (en) * | 1978-04-03 | 1980-04-08 | Uop Inc. | Tube reduction apparatus with integral means for sensing wall thickness during a high speed tube drawing operation |
| CN101956051A (en) * | 2010-08-27 | 2011-01-26 | 武汉理工大学 | Grain refinement method and device thereof |
| CN103691792A (en) * | 2013-12-18 | 2014-04-02 | 山东科技大学 | Ultrasonic-based medium-high carbon steel fine blanking forming device |
| CN104174677A (en) * | 2014-07-16 | 2014-12-03 | 深圳大学 | Magnesium alloy ultrasonic wave micro extrusion formed refined grain technology at normal temperature |
| CN105170681A (en) * | 2015-09-30 | 2015-12-23 | 广西大学 | Equal channel angular extrusion device of ultrasonic vibration female die |
| CN206643147U (en) * | 2017-04-19 | 2017-11-17 | 哈尔滨理工大学 | A kind of ultrasonic assistant pressurizing unit |
-
2017
- 2017-04-19 CN CN201710258403.XA patent/CN106975670A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196607A (en) * | 1978-04-03 | 1980-04-08 | Uop Inc. | Tube reduction apparatus with integral means for sensing wall thickness during a high speed tube drawing operation |
| CN101956051A (en) * | 2010-08-27 | 2011-01-26 | 武汉理工大学 | Grain refinement method and device thereof |
| CN103691792A (en) * | 2013-12-18 | 2014-04-02 | 山东科技大学 | Ultrasonic-based medium-high carbon steel fine blanking forming device |
| CN104174677A (en) * | 2014-07-16 | 2014-12-03 | 深圳大学 | Magnesium alloy ultrasonic wave micro extrusion formed refined grain technology at normal temperature |
| CN105170681A (en) * | 2015-09-30 | 2015-12-23 | 广西大学 | Equal channel angular extrusion device of ultrasonic vibration female die |
| CN206643147U (en) * | 2017-04-19 | 2017-11-17 | 哈尔滨理工大学 | A kind of ultrasonic assistant pressurizing unit |
Non-Patent Citations (1)
| Title |
|---|
| 吴圣川等译: "《材料与结构的疲劳》", 30 April 2016, 国防工业出版社 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413871A (en) * | 2017-09-28 | 2017-12-01 | 中国地质大学（武汉） | A kind of composite ultraphonic vibration aids in micro- extrusion molding process equipment |
| WO2019113995A1 (en) * | 2017-12-11 | 2019-06-20 | 华中科技大学 | Plastic forming and toughening process method and apparatus based on ultrasonic vibration |
| CN108213438A (en) * | 2018-03-29 | 2018-06-29 | 山东建筑大学 | A kind of titanium alloy high-strength direct rack processing method |
| CN109290382A (en) * | 2018-10-12 | 2019-02-01 | 兰州理工大学 | A kind of pressurizing unit of continuous equal channel angle |
| CN110103500A (en) * | 2019-04-28 | 2019-08-09 | 南京理工大学 | A kind of indexable unidirectional pressure setting of slotting cutter blade of ultrasonic wave added |
| CN110103500B (en) * | 2019-04-28 | 2021-05-14 | 南京理工大学 | Ultrasonic-assisted indexable end mill blade one-way pressing device |
| CN110695108A (en) * | 2019-09-16 | 2020-01-17 | 中国地质大学（武汉） | Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment and forming method |
| CN110695109A (en) * | 2019-09-16 | 2020-01-17 | 中国地质大学（武汉） | Multidirectional composite ultrasonic vibration assisted ECAP (electron cyclotron resonance imaging) forming processing equipment and forming method |
| CN112974558A (en) * | 2019-12-13 | 2021-06-18 | 财团法人金属工业研究发展中心 | Extrusion apparatus, extrusion method thereof and product thereof |
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Inventor after: Yu Yandong Inventor after: Yan Zehua Inventor before: Yu Yandong Inventor before: Li Lei Inventor before: Zhang Haibo Inventor before: Sun Zhaomei Inventor before: Li Jian Inventor before: Li Yi Inventor before: Huo Xiaochun Inventor before: Lin Kai Inventor before: Ning Huiyan |
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