CN107856427A - A kind of ultrasonic vibration assistant metal coin chapter impressing building mortion and method - Google Patents
A kind of ultrasonic vibration assistant metal coin chapter impressing building mortion and method Download PDFInfo
- Publication number
- CN107856427A CN107856427A CN201711189049.6A CN201711189049A CN107856427A CN 107856427 A CN107856427 A CN 107856427A CN 201711189049 A CN201711189049 A CN 201711189049A CN 107856427 A CN107856427 A CN 107856427A
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- stamp
- fixed plate
- ultrasonic
- impressing
- coin chapter
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- 239000002184 metal Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 210000002435 tendon Anatomy 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K3/00—Apparatus for stamping articles having integral means for supporting the articles to be stamped
- B41K3/02—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface
- B41K3/04—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface and movable at right angles to the surface to be stamped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
Abstract
The invention belongs to coin chapter manufacturing technology field, and disclose a kind of coin chapter impressing building mortion and method, the device includes lower mould, upper mould, guiding mechanism, ultrasonic amplitude transformer, ultrasonic transducer and ultrasonic generator, and the lower mould includes die shoe, lower template, backing plate, lower stamp, centre circle and push rod；Upper mould includes upper bolster, adapter sleeve, upper mould fixed plate and upper stamp；This method comprises the following steps：1) metal base cake is placed on lower stamp；2) ultrasonic transducer is connected with ultrasonic generator by electric wire, vibration frequency is set, open ultrasonic generator；3) stamp moves down under the drive of impressing forming machine on, and base cake deforms；4) after stamp is moved down into setting position on, the shaping of coin chapter is completed, then upper stamp moves up under the drive of impressing forming machine, and push rod moves upwards releases coin chapter.The present invention obtains under relatively low force of impression effect and fills full coin chapter, while improves the service life of stamp.
Description
Technical field
The invention belongs to coin chapter manufacturing technology field, and building mortion and method are imprinted more particularly, to a kind of coin chapter.
Background technology
Coin chapter is generally manufactured by enclosed imprint process.Material deformation occurs mainly in base cake top layer during impressing, works as stamp
After closing, material is difficult that Radial Flow occurs, and is similar to very big in regional area crimp, resistance of deformation.For reality
The smooth filling of existing coin chapter picture on surface, avoids the occurrence of lack of fill defect, it is necessary to apply sufficiently large force of impression.In order to improve
The anti-counterfeiting performance of coin chapter, meet aesthetic requirement of the people to coin chapter, the design of coin chapter picture on surface becomes increasingly complex, and completes filling
Required force of impression also constantly increases.When force of impression is excessive, not only base cake material can be along between upper and lower stamp and centre circle
Gap is flowed, and produces burr, causes product rejection, but also stamp can be induced to ftracture, serious to reduce the stamp life-span.For part
The higher coin chapter of pattern embossment, the limiting value of stamp permission is increased to even if force of impression can not also make base cake material be filled up completely with type
Chamber.Meanwhile under larger force of impression effect, coin chapter surface there is also the mass defects such as flash line, euphotic belt.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of ultrasonic vibration assistant metal coin chapter
Building mortion and method are imprinted, can be obtained under relatively low force of impression effect and fill full coin chapter, while improve making for stamp
Use the life-span.
To achieve the above object, according to one aspect of the present invention, there is provided a kind of ultrasonic vibration assistant metal coin chapter pressure
Print building mortion, it is characterised in that occur including lower mould, upper mould, guiding mechanism, ultrasonic amplitude transformer, ultrasonic transducer and ultrasound
Device, wherein,
The lower mould includes die shoe, lower template, backing plate, lower stamp, centre circle and push rod, and the lower template is arranged on described
On die shoe, and its upper end is provided with holding tank, and the bottom land of the holding tank sets the backing plate, and the lower stamp fixes peace
On the backing plate and the top of the lower stamp is higher than the top of the lower template, and the centre circle is fixed on the lower template
Top and the centre circle in the middle part of be provided with first through hole, the upper end of the lower stamp is stretched into the first through hole of the centre circle
And coordinate with the middle ring gap, the upper end of the push rod sequentially pass through after the die shoe and the lower template with the pad
Plate contacts, for jacking up the lower stamp on the backing plate and the backing plate；
The upper mould includes upper bolster, adapter sleeve, upper mould fixed plate and upper stamp, and the upper bolster is located at the die shoe
Top, and the upper bolster by the guiding mechanism be arranged on the die shoe on, the adapter sleeve be arranged on it is described on
On the bottom face of die holder, the upper mould fixed plate is arranged on the bottom face of the adapter sleeve and installed on the upper mould fixed plate
The ultrasonic amplitude transformer, the ultrasonic amplitude transformer are up big and down small taper, and the ultrasonic transducer is arranged on the ultrasound and become
The top of width bar, the upper stamp are arranged on the bottom of the ultrasonic amplitude transformer, for stretching into the first through hole of the centre circle
It is interior to coordinate impressing coin chapter with the lower stamp；
The ultrasonic generator is connected with the ultrasonic transducer.
Preferably, the lower stamp is fixedly mounted on the backing plate by lower mold fixed plate.
Preferably, the lower template is provided with a plurality of first groove on the inwall at the holding tank, and the lower mould is fixed
A plurality of the first convex tendon coordinated with first groove is correspondingly arranged on the outside of plate；
The lower stamp is stretched into the lower mold fixed plate, and a plurality of second convex tendon is set in the lower mold fixed plate,
The side of the lower stamp is provided with a plurality of the second groove coordinated with second convex tendon, for preventing lower stamp from imprinting
Rotated in journey.
Preferably, the guiding mechanism includes guide pillars and bushes, and the guide pillar is vertically installed at the top of the die shoe
On face, the guide pin bushing is vertically installed on the bottom face of the upper bolster, and the guide pillar is stretched into the guide pin bushing.
Preferably, it is provided with the second through hole on the upper mould fixed plate, second through hole is up big and down small taper hole, institute
Ultrasonic amplitude transformer is stated from second through hole through the upper mould fixed plate and is coordinated with the upper mould fixed plate gap.
Preferably, the side of the ultrasonic amplitude transformer is provided with flange and the flange is located at the upper of the upper mould fixed plate
Side, flange fixed plate is arranged at the top of the flange, the flange fixed plate be fixedly mounted on the upper mould fixed plate and
Coordinate with the upper mould fixed plate and clamp the flange, so as to secure the above ultrasonic amplitude transformer.
Preferably, the flange fixed plate is two and each flange fixed plate is semicircular ring, and should be partly
The medial surface of annulus is the conical surface with being engaged on the outside of the ultrasonic amplitude transformer.
According to another aspect of the present invention, a kind of ultrasonic vibration assistant metal coin chapter impressing building mortion is additionally provided
Imprint manufacturing process, it is characterised in that comprise the following steps：
1) upper bolster and die shoe are separately fixed on the upper table and lower table of impressing forming machine, by metal base
Cake is placed on lower stamp and cake of giving a piece of bad advice is located in first through hole；
2) ultrasonic transducer is connected with ultrasonic generator by electric wire, vibration frequency is set, open ultrasonic generator；
3) stamp moves down under the drive of impressing forming machine on, and base cake is made in the extruding force of upper stamp and ultrasonic vibration
With lower generation elastic-plastic deformation；
4) after stamp is moved down into setting position on, the shaping of coin chapter is completed, then upper stamp is in impressing forming machine
Moved up under drive, push rod moves through stamp and releases coin chapter formed thereby upwards.
In general, the contemplated above technical scheme of the present invention compared with prior art, can obtain following beneficial to effect
Fruit：
1) ultrasonic vibration in the present invention has softening effect to metal material, can reduce material resistance of deformation, so as to
Obtained under relatively low force of impression effect and fill full coin chapter, while improve the service life of stamp.
2) formation of the ultrasonic vibration in the present invention to surface defect is inhibited, can improve the surface light of coin chapter
Cleanliness.
Brief description of the drawings
Fig. 1 is the overall structure diagram of building mortion of the present invention；
Fig. 2 is the schematic diagram of two flange fixed plates in the present invention；
Fig. 3 is the schematic diagram of lower template in the present invention；
Fig. 4 is the schematic diagram of lower mold fixed plate in the present invention；
Fig. 5 is the schematic diagram of lower stamp in the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
A kind of 1~Fig. 5 of reference picture, according to one aspect of the present invention, there is provided ultrasonic vibration assistant metal coin chapter impressing
Building mortion, including lower mould, upper mould, guiding mechanism, ultrasonic amplitude transformer 6, ultrasonic transducer 5 and ultrasonic generator 17, wherein,
The lower mould includes die shoe 8, lower template 9, backing plate 10, lower stamp 12, centre circle 13 and push rod 14, the lower template
9 are arranged on the die shoe 8, and its upper end is provided with holding tank, and the bottom land of the holding tank sets the backing plate 10, institute
State that lower stamp 12 is fixedly mounted on the backing plate 10 and the top of the lower stamp 12 is higher than the top of the lower template 9, institute
State centre circle 13 and be fixed on the top of the lower template 9 and the middle part of the centre circle 13 and be provided with first through hole, the lower stamp 12
Upper end stretch into the first through hole of the centre circle 13 and coordinate with the gap of centre circle 13, the upper end of the push rod 14 is successively
Contacted after through the die shoe 8 and the lower template 9 with the backing plate 10, for jacking up the backing plate 10 and the backing plate
Lower stamp 12 on 10；
The upper mould includes upper bolster 1, adapter sleeve 2, upper mould fixed plate 4 and upper stamp 7, and the upper bolster 1 is positioned at described
The top of upper bolster 1, and the upper bolster 1 is arranged on the die shoe 8 by the guiding mechanism, and the adapter sleeve 2 is pacified
On the bottom face of the upper bolster 1, the upper mould fixed plate 4 is arranged on the bottom face of the adapter sleeve 2 and on this
The ultrasonic amplitude transformer 6 is installed, the ultrasonic amplitude transformer 6 is up big and down small taper, the ultrasonic transducer in mould fixed plate 4
5 are arranged on the top of the ultrasonic amplitude transformer 6, and the upper stamp 7 is arranged on the bottom of the ultrasonic amplitude transformer 6, for stretching
Enter in the first through hole of the centre circle 13 and coordinate impressing coin chapter with the lower stamp 12；
The ultrasonic generator 17 is connected with the ultrasonic transducer 5.
Further, the lower stamp 12 is fixedly mounted on the backing plate 10 by lower mold fixed plate 11.
Further, the guiding mechanism includes guide pillar 15 and guide pin bushing 16, and the guide pillar 15 is vertically installed at the die shoe 8
Top end face on, the guide pin bushing 16 is vertically installed on the bottom face of the upper bolster 1, and the guide pillar 15 stretches into described lead
In set 16.These guide pillars 15 are interspersed in the surrounding of die shoe 8, the corresponding surrounding for being interspersed in upper bolster 1 of guide pin bushing 16.
Further, the second through hole is provided with the upper mould fixed plate 4, second through hole is up big and down small taper hole,
The ultrasonic amplitude transformer 6 is matched somebody with somebody through the upper mould fixed plate 4 and with the gap of upper mould fixed plate 4 from second through hole
Close.
Further, the side of the ultrasonic amplitude transformer 6 is provided with flange and the flange is located at the upper mould fixed plate 4
Top, flange fixed plate 3 are arranged at the top of the flange, and the flange fixed plate 3 is fixedly mounted on the upper mould fixed plate 4
And coordinate with the upper mould fixed plate 4 and clamp the flange, so as to secure the above ultrasonic amplitude transformer 6.
Further, install for convenience, the flange fixed plate 3 is two and each flange fixed plate 3 is
Semicircular ring, and the medial surface of flange fixed plate 3 is the conical surface being engaged with the outside of ultrasonic amplitude transformer 6.
Further, the lower template 9 is provided with a plurality of first groove 9-1, the lower mould on the inwall at the holding tank
The outside of fixed plate 11 is correspondingly arranged on a plurality of the first convex tendon 11-1 coordinated with the first groove 9-1；
The lower stamp 12 is stretched into the lower mold fixed plate 11, and a plurality of second is set in the lower mold fixed plate 11
Convex tendon 11-2, the side of the lower stamp 12 are provided with a plurality of the second groove 12-1 coordinated with the second convex tendon 11-2, with
Rotated in preventing lower stamp 12 in moulding process.
The present invention uses described ultrasonic transducer 5 that ultrasonic electric signal caused by ultrasonic generator 17 is converted into ultrasonic machine
Tool vibrates, and ultrasonic mechanical vibration signal makes stamp 7 produce ultrasonic vibration after the amplification of ultrasonic amplitude transformer 6.
According to another aspect of the present invention, a kind of ultrasonic vibration assistant metal coin chapter impressing building mortion is additionally provided
Manufacturing process is imprinted, is comprised the following steps：
1) upper bolster 1 and die shoe 8 are separately fixed on the upper table and lower table of impressing forming machine, by metal
Base cake is placed on lower stamp 12 and cake of giving a piece of bad advice is located in first through hole；
2) ultrasonic transducer 5 is connected with ultrasonic generator 17 by electric wire, vibration frequency is set, open ultrasonic generator
17；
3) stamp 7 moves down under the drive of impressing forming machine on, extruding force and ultrasonic vibration of the base cake in upper stamp 7
Effect is lower to occur elastic-plastic deformation；
4) after stamp 7 is moved down into setting position on, the shaping of coin chapter is completed, then upper stamp 7 is in impressing forming machine
Drive under move up, push rod 14 moves through stamp 7 and releases coin chapter formed thereby upwards.
The present invention introduces ultrasonic vibration in the impressing forming technology of coin chapter, can subtract compared to traditional impressing forming technology
Small force of impression, improve stamp service life and improve surface quality of workpieces, be advantageous to produce that outward appearance is more exquisite, and anti-counterfeiting performance is more
Strong coin chapter.The present invention can be applied to the precision plastic forming field of other micro metal devices, have a wide range of applications
Prospect.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (8)
1. a kind of ultrasonic vibration assistant metal coin chapter imprints building mortion, it is characterised in that including lower mould, upper mould, guiding mechanism,
Ultrasonic amplitude transformer, ultrasonic transducer and ultrasonic generator, wherein,
The lower mould includes die shoe, lower template, backing plate, lower stamp, centre circle and push rod, and the lower template is arranged on the lower mould
On seat, and its upper end is provided with holding tank, and the bottom land of the holding tank sets the backing plate, and the lower stamp is fixedly mounted on
On the backing plate and top of the lower stamp is higher than the top of the lower template, and the centre circle is fixed on the top of the lower template
Hold and be provided with first through hole in the middle part of the centre circle, the upper end of the lower stamp stretch into the first through hole of the centre circle and
Coordinate with the middle ring gap, the upper end of the push rod connects after sequentially passing through the die shoe and the lower template with the backing plate
Touch, for jacking up the lower stamp on the backing plate and the backing plate；
The upper mould includes upper bolster, adapter sleeve, upper mould fixed plate and upper stamp, and the upper bolster is located at the upper of the die shoe
Side, and the upper bolster is arranged on the die shoe by the guiding mechanism, and the adapter sleeve is arranged on the upper bolster
Bottom face on, the upper mould fixed plate be arranged on the adapter sleeve bottom face on and the upper mould fixed plate on installation described in
Ultrasonic amplitude transformer, the ultrasonic amplitude transformer are up big and down small taper, and the ultrasonic transducer is arranged on the ultrasonic amplitude transformer
Top, the upper stamp is arranged on the bottom of the ultrasonic amplitude transformer, for stretch into the first through hole of the centre circle with
The lower stamp coordinates impressing coin chapter；
The ultrasonic generator is connected with the ultrasonic transducer.
2. a kind of ultrasonic vibration assistant metal coin chapter impressing building mortion according to claim 1, it is characterised in that described
Lower stamp is fixedly mounted on the backing plate by lower mold fixed plate.
3. a kind of ultrasonic vibration assistant metal coin chapter impressing building mortion according to claim 2, it is characterised in that described
Lower template is provided with a plurality of first groove on the inwall at the holding tank, is correspondingly arranged on the outside of the lower mold fixed plate a plurality of
The first convex tendon coordinated with first groove；
The lower stamp is stretched into the lower mold fixed plate, and a plurality of second convex tendon is set in the lower mold fixed plate, described
The side of lower stamp is provided with a plurality of the second groove coordinated with second convex tendon, for preventing lower stamp in moulding process
Rotate.
4. a kind of ultrasonic vibration assistant metal coin chapter impressing building mortion according to claim 1, it is characterised in that described
Guiding mechanism includes guide pillars and bushes, and the guide pillar is vertically installed on the top end face of the die shoe, and the guide pin bushing is pacified vertically
On the bottom face of the upper bolster, and the guide pillar is stretched into the guide pin bushing.
5. a kind of ultrasonic vibration assistant metal coin chapter impressing building mortion according to claim 1, it is characterised in that described
It is provided with the second through hole on upper mould fixed plate, second through hole is up big and down small taper hole, and the ultrasonic amplitude transformer is from described
Second through hole coordinates through the upper mould fixed plate and with the upper mould fixed plate gap.
6. a kind of ultrasonic vibration assistant metal coin chapter impressing building mortion according to claim 5, it is characterised in that described
The side of ultrasonic amplitude transformer is provided with flange and the flange is located at the top of the upper mould fixed plate, and flange fixed plate is arranged at
The top of the flange, the flange fixed plate are fixedly mounted on the upper mould fixed plate and coordinated with the upper mould fixed plate
The flange is clamped, so as to secure the above ultrasonic amplitude transformer.
7. a kind of ultrasonic vibration assistant metal coin chapter impressing building mortion according to claim 6, it is characterised in that described
Flange fixed plate is two and each flange fixed plate is semicircular ring, and the medial surface of the semicircular ring be with it is described
The conical surface being engaged on the outside of ultrasonic amplitude transformer.
8. a kind of impressing manufacturing process of ultrasonic vibration assistant metal coin chapter impressing building mortion described in claim 1, it is special
Sign is, comprises the following steps：
1) upper bolster and die shoe are separately fixed on the upper table and lower table of impressing forming machine, metal base cake is pacified
It is placed on lower stamp and cake of giving a piece of bad advice is located in first through hole；
2) ultrasonic transducer is connected with ultrasonic generator by electric wire, vibration frequency is set, open ultrasonic generator；
3) stamp moves down under the drive of impressing forming machine on, and base cake is under the extruding force of upper stamp and ultrasonic vibration effect
Generation elastic-plastic deformation；
4) after stamp is moved down into setting position on, the shaping of coin chapter is completed, then drive of the upper stamp in impressing forming machine
Under move up, push rod moves through stamp and releases coin chapter formed thereby upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189049.6A CN107856427A (en) | 2017-11-24 | 2017-11-24 | A kind of ultrasonic vibration assistant metal coin chapter impressing building mortion and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189049.6A CN107856427A (en) | 2017-11-24 | 2017-11-24 | A kind of ultrasonic vibration assistant metal coin chapter impressing building mortion and method |
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| Publication Number | Publication Date |
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| CN107856427A true CN107856427A (en) | 2018-03-30 |
Family
ID=61702753
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| CN201711189049.6A Pending CN107856427A (en) | 2017-11-24 | 2017-11-24 | A kind of ultrasonic vibration assistant metal coin chapter impressing building mortion and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790548A (en) * | 2018-07-24 | 2018-11-13 | 山东招金金银精炼有限公司 | A kind of imprinting tool of sheet metal, system and method |
| CN113650279A (en) * | 2021-08-19 | 2021-11-16 | 天津大学 | Polymer ultrasonic-assisted linear friction imprinting device and method |
| CN115846484A (en) * | 2022-11-23 | 2023-03-28 | 华中科技大学 | Metal plate stamping forming device combining in-situ heating and ultrasonic vibration |
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|---|---|---|---|---|
| CN108790548A (en) * | 2018-07-24 | 2018-11-13 | 山东招金金银精炼有限公司 | A kind of imprinting tool of sheet metal, system and method |
| CN108790548B (en) * | 2018-07-24 | 2024-01-23 | 山东招金金银精炼有限公司 | Stamping tool, system and method for metal sheet |
| CN113650279A (en) * | 2021-08-19 | 2021-11-16 | 天津大学 | Polymer ultrasonic-assisted linear friction imprinting device and method |
| CN115846484A (en) * | 2022-11-23 | 2023-03-28 | 华中科技大学 | Metal plate stamping forming device combining in-situ heating and ultrasonic vibration |
| CN115846484B (en) * | 2022-11-23 | 2023-12-22 | 华中科技大学 | Sheet metal stamping forming device combining in-situ heating and ultrasonic vibration |
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