CN106984991A - The processing technology and its special fixture of a kind of curved surface light-wall pipe - Google Patents
The processing technology and its special fixture of a kind of curved surface light-wall pipe Download PDFInfo
- Publication number
- CN106984991A CN106984991A CN201710423297.6A CN201710423297A CN106984991A CN 106984991 A CN106984991 A CN 106984991A CN 201710423297 A CN201710423297 A CN 201710423297A CN 106984991 A CN106984991 A CN 106984991A
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- China
- Prior art keywords
- curved surface
- wall pipe
- fixture
- processing
- processing technology
- 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
- 238000005516 engineering process Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 42
- 238000003825 pressing Methods 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 4
- 239000011265 semifinished product Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003463 adsorbent Substances 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention relates to a kind of processing technology of curved surface light-wall pipe, described processing technology step includes, S1, processing negative camber；S2, processing technology platform；S3, processing technology groove；S4, fixed raw material；S5, processing positive camber；S6, forming thin-walled tube end.Described special fixture includes bottom plate and the fixture curved surface raised up positioned at bottom plate, and some vacuum tanks are provided with the surface of described fixture curved surface, and vacuum sucking holes are set in described vacuum trench bottom, and some screwed holes are provided with described fixture curved surface both sides；Described special fixture includes auxiliary pressing plate, is to be detachably connected between described auxiliary pressing plate and bottom plate.After above-mentioned technique and the special fixture of cooperation, the problem of solving vacuum cup adsorbent parts curved surface is more notable in particular for aviation hydraulic system pipeline thin-wall part effect, convenient processing, it is unlikely to deform, further improves the quality of production and production efficiency of product, reduce cost.
Description
Technical field
The present invention relates to machining technology field, processing technology more particularly, to a kind of curved surface light-wall pipe and its special
Fixture.
Background technology
The special construction of vacuum cup, can form a provisional confined space after being contacted with object.We lead to
Cross pneumatic line or certain device, take away or thin confined space inside air.So, the gas inside confined space
Pressure is lower than an atmospheric pressure in the external world.Then, external and internal pressure difference is generated.The atmospheric pressure of outside can inhale object and vacuum
Disk firmly presses together.So, we just see that vacuum cup has held object.After arriving at confined space with
The atmospheric pressure UNICOM of outside, vacuum cup is just separated with object.Based on above-mentioned principle, vacuum cup is in clamping position thin-walled
In the hardly possible clamping parts such as part, very vital effect is played.
Traditional vacuum chuck tooling is often some plane of adsorbent parts.And the hydraulic air that we face at present
System pipeline thin-walled parts are curved surface, and tolerance is small, yielding in process for it, difficult processing, traditional vacuum cup without
Method is positioned to this kind of parts fixation.
The content of the invention
The technical problems to be solved by the invention are to provide the processing technology and its special fixture of a kind of curved surface light-wall pipe, it
The processing of aviation hydraulic system pipeline thin-wall part can be applied to, yielding and unmanageable feature is solved.
The technical scheme adopted by the invention to solve the technical problem is that：A kind of processing technology of curved surface light-wall pipe, it is described
Processing technology step include,
S1, processing negative camber, take the suitable raw material of size, length and process negative camber in its one side by lathe；
S2, processing technology platform, respectively processing one at the both ends of negative camber by lathe is used for fixed process area；
S3, processing technology groove, process some technology grooves, described technology groove is in length and breadth on the raw material back side relative with negative camber
Staggeredly；
Negative camber, is fixed on the fixture curved surface of special fixture, by institute by S4, fixed raw material by the process area processed
The fixation that vacuum realizes raw material is inhaled on the fixture curved surface for the special fixture stated；
S5, processing positive camber, carry out going material to process, curved surface needed for being directly processed to is thin by lathe to the raw material at the negative camber back side
The thickness of wall pipe；
S6, forming thin-walled tube end, by aiding in pressing plate to compress semi-finished product light-wall pipe, unclamp process area, pass through machine tooling
Mill off process area, completes processing.
Further specifically, the technology groove in described step S3 includes vertical technology groove and horizontal technology groove, adjacent institute
Distance is identical between the vertical technology groove stated, and distance is identical between adjacent described horizontal technology groove.
It is described further specifically, the technology groove in described step S3 includes vertical technology groove and horizontal technology groove
It is mutually perpendicular between vertical technology groove and horizontal technology groove.
Further specifically, setting fabrication hole on described process area, described raw material is consolidated by fabrication hole and screw
It is scheduled on special fixture.
Further specifically, described auxiliary pressing plate is fixed by screws on special fixture.
Further specifically, being the arch with light-wall pipe positive camber adhered shape below described auxiliary pressing plate.
A kind of special fixture of curved surface light-wall pipe clamping, including bottom plate and the fixture curved surface that is raised up positioned at bottom plate,
Some vacuum tanks are provided with the surface of described fixture curved surface, vacuum sucking holes are set in described vacuum trench bottom, described
Fixture curved surface both sides be provided with some screwed holes；Described special fixture includes auxiliary pressing plate, described auxiliary pressing plate and bottom plate
Between to be detachably connected.
Further specifically, described auxiliary pressing plate is provided with screw hole, screw is set in described screw hole, it is described
Bolts through bolt holes be fixed in screwed hole.
Further specifically, described vacuum tank includes vertical vacuum tank and horizontal vacuum tank, described vertical vacuum tank
It is vertical and interconnected between horizontal vacuum tank.
Further specifically, described vacuum sucking holes are multiple, and it is evenly distributed in vacuum tank.
The beneficial effects of the invention are as follows：After above-mentioned technique and the special fixture of cooperation, vacuum cup is solved
The problem of adsorption curve, more notable in particular for aviation hydraulic system pipeline thin-wall part effect, convenient processing is not variable
Shape, further improves the quality of production and production efficiency of product, reduces cost.
Brief description of the drawings
Fig. 1 is the process chart of the present invention；
Fig. 2 is the structural representation of special fixture of the present invention；
Fig. 3 is the mplifying structure schematic diagram of part A in Fig. 2.
In figure：1st, base；2nd, fixture curved surface；3rd, vacuum tank；4th, vacuum sucking holes；5th, screwed hole；6th, pressing plate is aided in；7th, screw
Hole；31st, horizontal vacuum tank；32nd, vertical vacuum tank.
Embodiment
The present invention is explained in detail below in conjunction with the accompanying drawings.
A kind of processing technology of curved surface light-wall pipe as depicted in figs. 1 and 2, described processing technology step includes,
S1, processing negative camber, take the suitable raw material of size, length and process negative camber in its one side by lathe；At one
Go out the negative camber of light-wall pipe in the one side of cuboid by Cutter Body Processing with Machining Center, directly by its negative camber machine-shaping and carry out
Surface treatment.
S2, processing technology platform, respectively processing one at the both ends of negative camber by lathe is used for fixed process area；Process area
Its shape is determined according to fixed form.
S3, processing technology groove, process some technology grooves on the raw material back side relative with negative camber, and described technology groove is
Crisscross, the main function of technology groove is, when negative camber is contacted with the fixture curved surface 2 of special fixture, to ensure that interior
Curved surface is fitted with fixture curved surface 2, and technology groove is divided into horizontal technology groove and vertical technology groove, and horizontal technology groove has with vertical technology groove
Intersect, while raw material is divided into the body that several cross sections are quadrangle, perfect laminating is realized by the effect of raw material gravity；Enter
Distance is identical between one step, two adjacent horizontal technology grooves, and the distance between two adjacent vertical technology grooves are identical；Enter one
Step, is mutually perpendicular between horizontal technology groove and vertical technology groove, and moves towards arrangement with negative camber；The distribution of technology groove is realized
The degree that negative camber is fitted completely under gravity.
Negative camber, is fixed on the fixture curved surface 2 of special fixture, led to by S4, fixed raw material by the process area processed
Cross and the fixation that vacuum realizes raw material is inhaled on the fixture curved surface 2 of described special fixture；Two fabrication holes are processed on process area
And two screws are configured in fabrication hole, screw is fixed on special fixture through fabrication hole, and ensures negative camber simultaneously and special
Fitted with the fixture curved surface 2 of fixture, fabrication hole can be set as needed it is multiple, the purpose is to ensure negative camber laminating more add
Entirely, when being installed, the order of screw-driving is needed to be controlled, and best mode is synchronously tightened for both sides；Pass through exclusive clamps
Vacuum sucking holes 4 and vacuum tank 3 on tool are adsorbed to negative camber, due to the complete laminating of negative camber, without gas leakage so that
Product is firmly fitted on special fixture.
S5, processing positive camber, carry out going material to process, are directly processed to required song by lathe to the raw material at the negative camber back side
The thickness of face light-wall pipe；Unnecessary raw material is carried out to go material to process by milling machine and machining center, it is ensured that the radian of positive camber,
Until machine-shaping.
S6, forming thin-walled tube end, by aiding in pressing plate 6 to compress semi-finished product light-wall pipe, unclamp process area, pass through lathe
Process mill off process area；It is arch to aid in the lower section of pressing plate 6, and its shape is fitted completely with light-wall pipe positive camber, and in auxiliary pressing plate 6
Upper setting screw hole 7, bolts through bolt holes 7 will aid in pressing plate 6 to be fixed on special fixture；The number for aiding in pressing plate 6 is two
It is individual, it is separately positioned on close to the position of process area, after semi-finished product light-wall pipe is fixed, unclamps the screw on process area, pass through milling
Bed removes process area, completes the processing of light-wall pipe.
The special fixture combination accompanying drawing in above-mentioned technique is described in detail below.
A kind of special fixture of curved surface light-wall pipe clamping as shown in Figures 2 and 3, including bottom plate 1 and upward positioned at bottom plate 1
Raised fixture curved surface 2, is provided with some vacuum tanks 3, in the described bottom of vacuum tank 3 on the surface of described fixture curved surface 2
Vacuum sucking holes 4 are set, some screwed holes 5 are provided with the described both sides of fixture curved surface 2；Described special fixture includes auxiliary pressing plate
6, it is to be detachably connected between described auxiliary pressing plate 6 and bottom plate 1.The connected mode of auxiliary pressing plate 6 and bottom plate 1 has a variety of shapes
Formula, such as clamping and mode connects for screw, and screw connecting mode is more preferable in cost and the stability of fixation, therefore use screw
Connected mode, is provided with screw hole 7 on described auxiliary pressing plate 6, and screw, described screw are set in described screw hole 7
It is fixed on through screw hole 7 in screwed hole 5, auxiliary pressing plate 6 sets two, is separately positioned on the both ends of fixture curved surface 2, purpose
It is compressing component, when processing, if the length of part is long, can be fixed using multiple auxiliary pressing plates 6.
The main function of the vacuum tank 3 formed on the surface of fixture curved surface 2 is to carry out adsorbent parts, and its structure is vacuum tank
3 include vertical vacuum tank 32 and horizontal vacuum tank 31, vertical and phase between described vertical vacuum tank 32 and horizontal vacuum tank 31
It is intercommunicated, when absorption, inner air is suctioned out by the vacuum sucking holes 4 of the bottom of vacuum tank 3, the fixture that part is adsorbed
On curved surface 2；In order to ensure the uniformity of absorption, described vacuum sucking holes 4 are multiple, and are evenly distributed in vacuum tank 3, then
Further vertical vacuum tank 32 is uniformly distributed with horizontal vacuum tank 31.
Light-wall pipe coordinates special fixture by above-mentioned process, and process causes the simplified processing of part, side
Just change；Special fixture intersects fluting design using curved surface is netted, while using the method for segmented seal, it is ensured that on part curved surface
Each point can be adsorbed uniformly on chucking surface.The auxiliary pressing plate 6 of both sides, the clamping for adding whole chucking appliance system is firm
Property；Special equipment need not be used to be processed, cost is reduced, the quality of product is improved, aviation liquid is realized
Press the common process of system pipeline thin-wall part.
It is emphasized that：It the above is only presently preferred embodiments of the present invention, not make any formal to the present invention
Limitation, any simple modification, equivalent variations and modification that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of processing technology of curved surface light-wall pipe, it is characterised in that described processing technology step includes,
S1, processing negative camber, take the suitable raw material of size, length and process negative camber in its one side by lathe；
S2, processing technology platform, respectively processing one at the both ends of negative camber by lathe is used for fixed process area；
S3, processing technology groove, process some technology grooves, described technology groove is in length and breadth on the raw material back side relative with negative camber
Staggeredly；
Negative camber, is fixed on the fixture curved surface of special fixture, by institute by S4, fixed raw material by the process area processed
The fixation that vacuum realizes raw material is inhaled on the fixture curved surface for the special fixture stated；
S5, processing positive camber, carry out going material to process, curved surface needed for being directly processed to is thin by lathe to the raw material at the negative camber back side
The thickness of wall pipe；
S6, forming thin-walled tube end, by aiding in pressing plate to compress semi-finished product light-wall pipe, unclamp process area, pass through machine tooling
Mill off process area, completes processing.
2. the processing technology of curved surface light-wall pipe according to claim 1, it is characterised in that the technique in described step S3
It is identical that groove includes distance between vertical technology groove and horizontal technology groove, adjacent described vertical technology groove, adjacent described transverse direction
Distance is identical between technology groove.
3. the processing technology of curved surface light-wall pipe according to claim 1, it is characterised in that the technique in described step S3
Groove includes vertical technology groove and horizontal technology groove, is mutually perpendicular between described vertical technology groove and horizontal technology groove.
4. the processing technology of curved surface light-wall pipe according to claim 1, it is characterised in that set on described process area
Fabrication hole, described raw material is fixed on special fixture by fabrication hole and screw.
5. the processing technology of curved surface light-wall pipe according to claim 1, it is characterised in that described auxiliary pressing plate passes through spiral shell
Nail is fixed on special fixture.
6. the processing technology of curved surface light-wall pipe according to claim 1, it is characterised in that be below described auxiliary pressing plate
With the arch of light-wall pipe positive camber adhered shape.
7. a kind of special fixture of curved surface light-wall pipe clamping, including bottom plate（1）And positioned at bottom plate（1）The fixture raised up is bent
Face（2）, it is characterised in that in described fixture curved surface（2）Surface be provided with some vacuum tanks（3）, in described vacuum tank
（3）Bottom sets vacuum sucking holes（4）, in described fixture curved surface（2）Both sides are provided with some screwed holes（5）；Described exclusive clamps
Tool includes aiding in pressing plate（6）, described auxiliary pressing plate（6）With bottom plate（1）Between to be detachably connected.
8. the special fixture of curved surface light-wall pipe clamping according to claim 7, it is characterised in that described auxiliary pressing plate
（6）It is provided with screw hole（7）, in described screw hole（7）Interior setting screw, described bolts through bolt holes（7）It is fixed on
Screwed hole（5）It is interior.
9. the special fixture of curved surface light-wall pipe clamping according to claim 7, it is characterised in that described vacuum tank（3）
Including vertical vacuum tank（32）With horizontal vacuum tank（31）, described vertical vacuum tank（32）With horizontal vacuum tank（31）Between hang down
It is straight and interconnected.
10. the special fixture of curved surface light-wall pipe clamping according to claim 7, it is characterised in that described vacuum sucking holes
（4）To be multiple, and it is evenly distributed in vacuum tank（3）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423297.6A CN106984991B (en) | 2017-06-07 | 2017-06-07 | A kind of processing technology and its special fixture of curved surface thin-wall tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423297.6A CN106984991B (en) | 2017-06-07 | 2017-06-07 | A kind of processing technology and its special fixture of curved surface thin-wall tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106984991A true CN106984991A (en) | 2017-07-28 |
| CN106984991B CN106984991B (en) | 2019-05-17 |
Family
ID=59421803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710423297.6A Active CN106984991B (en) | 2017-06-07 | 2017-06-07 | A kind of processing technology and its special fixture of curved surface thin-wall tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106984991B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296722A (en) * | 2018-02-11 | 2018-07-20 | 苏州市意可机电有限公司 | A kind of multigroup processing technology for closing multi-angle curved surface |
| CN111015788A (en) * | 2019-11-26 | 2020-04-17 | 北京航星机器制造有限公司 | A processing method of thin-walled irregular space curved parts of nylon material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55160440A (en) * | 1979-05-31 | 1980-12-13 | Chiyou Lsi Gijutsu Kenkyu Kumiai | Device for fixing thin plate |
| CN203245646U (en) * | 2013-03-20 | 2013-10-23 | 沈阳飞机工业（集团）有限公司 | Universal vacuum fixture |
| CN103639797A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Double-curvature profile surface vacuum absorption platform and method for machining thickness of double-curvature skin |
| CN204913401U (en) * | 2015-09-08 | 2015-12-30 | 江西天之翔航空数控技术有限责任公司 | Intake duct wallboard processing frock |
| CN205950347U (en) * | 2016-08-24 | 2017-02-15 | 中国航天科技集团公司长征机械厂 | Melon lamella attenuate milling vacuum adsorption equipment |
-
2017
- 2017-06-07 CN CN201710423297.6A patent/CN106984991B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55160440A (en) * | 1979-05-31 | 1980-12-13 | Chiyou Lsi Gijutsu Kenkyu Kumiai | Device for fixing thin plate |
| CN203245646U (en) * | 2013-03-20 | 2013-10-23 | 沈阳飞机工业（集团）有限公司 | Universal vacuum fixture |
| CN103639797A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Double-curvature profile surface vacuum absorption platform and method for machining thickness of double-curvature skin |
| CN204913401U (en) * | 2015-09-08 | 2015-12-30 | 江西天之翔航空数控技术有限责任公司 | Intake duct wallboard processing frock |
| CN205950347U (en) * | 2016-08-24 | 2017-02-15 | 中国航天科技集团公司长征机械厂 | Melon lamella attenuate milling vacuum adsorption equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296722A (en) * | 2018-02-11 | 2018-07-20 | 苏州市意可机电有限公司 | A kind of multigroup processing technology for closing multi-angle curved surface |
| CN111015788A (en) * | 2019-11-26 | 2020-04-17 | 北京航星机器制造有限公司 | A processing method of thin-walled irregular space curved parts of nylon material |
| CN111015788B (en) * | 2019-11-26 | 2022-04-05 | 北京航星机器制造有限公司 | A processing method of thin-walled irregular space curved parts of nylon material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106984991B (en) | 2019-05-17 |
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Address after: 215143 No. 200, Xinxiang Village Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU YIKE ELECTROMECHANICAL Co.,Ltd. Address before: No. 188 Chunguang Road, Huangdao Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 Patentee before: SUZHOU YIKE ELECTROMECHANICAL Co.,Ltd. |
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Address after: 215143 No. 2, shanjiaobang Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Jiangsu Yike Aviation Technology Co.,Ltd. Address before: 215143 No. 200, Xinxiang Village Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU YIKE ELECTROMECHANICAL Co.,Ltd. |
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