CN218695971U - Main part large-scale welding crossbeam structure of formula of bending - Google Patents
Main part large-scale welding crossbeam structure of formula of bending Download PDFInfo
- Publication number
- CN218695971U CN218695971U CN202222985928.2U CN202222985928U CN218695971U CN 218695971 U CN218695971 U CN 218695971U CN 202222985928 U CN202222985928 U CN 202222985928U CN 218695971 U CN218695971 U CN 218695971U
- Authority
- CN
- China
- Prior art keywords
- main body
- bending
- crossbeam
- welding
- studs
- 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.)
- Active
Links
- 238000005452 bending Methods 0.000 title claims abstract description 145
- 238000003466 welding Methods 0.000 title claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000399 orthopedic effect Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model belongs to the technical field of five-axis machining centers, and provides a main body bending type large-scale welding beam structure, which is characterized in that a high-strength structural steel plate is bent to form a polygonal C-shaped beam bending main body, and a main upright rib, two end side sealing plates and a spoke rib plate are cut according to the formed polygonal C-shaped beam bending main body; embedding the main studs into the beam bending main body, welding the main studs to enable the beam bending main body to form a plurality of cavities, and transversely welding the radial rib plates along the beam bending main body in each cavity; splicing the crossbeam front panel and the crossbeam bending main body, and welding along the length direction of the crossbeam to enable the polygonal C-shaped crossbeam bending main body to support the position of a linear guide rail on the crossbeam front panel; splicing and welding the connecting plate, the beam bending main body and the beam front panel; and after the upright post combination panel is welded with the supporting surface, finally, side sealing plates are welded on the back supporting panels on the left side surface and the right side surface of the beam bending main body.
Description
Technical Field
The utility model belongs to the technical field of high-speed bridge type five-axis machining center, concretely relates to large-scale welding crossbeam structure of main part formula of bending.
Background
The rapid development of the aerospace industry brings great demands on large components such as cabins, wall plates and skins, and creates a wide market space for high-speed light cutting equipment. The most prominent of them is the bridge type five-axis machining center. In recent years, users have demanded high-speed light cutting, intellectualization, automation, high safety and high stability for such devices. In the structure and material selection, a large number of welding structures replace the traditional casting structure, and the reason is that: the welded structural member has short production period, light weight and fast modification. However, a large number of welded structures not only make the structural members easily deformed, but also the internal stress generated thereby will affect the machining precision of the machine tool. At the present stage, the weight of the structural part is reduced, the deformation of the structural part is reduced, the internal stress in the structural part is reduced, and the improvement of the machining precision and the response speed of the machine tool is particularly important.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a large-scale welding crossbeam structure of main part formula of bending, the concrete scheme is as follows:
a main body bending type large-scale welding beam structure comprises a beam bending main body, a beam front panel, main vertical ribs, transverse spoke rib plates, a connecting plate, side sealing plates, a supporting plate, a stand column combination panel, a process table, an upper lifting hole, a lower lifting hole, a back supporting panel, longitudinal spoke rib plates and a lower connecting plate;
a polygonal C-shaped beam bending main body is formed by bending steel plates;
two opening edges of the beam bending main body are inwards folded in an oblique angle;
the beam front panel is arranged at the opening end of the beam bending main body;
the back supporting panel is in a half-frame shape, one end of the back supporting panel is provided with a bending section,
the back support panels are arranged on two sides of the crossbeam bending main body, one end of each back support panel is clamped on the crossbeam front panel, and the other end of each back support panel extends out of the crossbeam bending main body and is bent to the back of the crossbeam bending main body;
the side surface of the back support panel is provided with a right-angled trapezoid frame, and the side sealing plate is welded in the right-angled trapezoid frame;
the beam bending main body and the back supporting panel are enclosed into a beam cavity, main vertical ribs are uniformly distributed in the beam cavity, and the main vertical ribs at intervals in the beam cavity enable the beam main body to form a plurality of independent cavities;
the transverse spoke rib plates are used for connecting two adjacent main studs with the front panel of the cross beam and the back of the bent main body of the cross beam, the front and the back of each main stud are provided with sockets, and the two adjacent main studs are connected to the front panel of the cross beam by arranging the transverse spoke rib plates on the front sockets of the main studs; a transverse rib plate is arranged at the rear socket of each main stud, and two adjacent main studs are connected to the back of the crossbeam bending main body;
the longitudinal spoke rib plates are used for connecting two adjacent main vertical ribs with the top of the crossbeam bending main body and the bottom of the crossbeam bending main body, the upper and lower parts of the main vertical ribs are provided with sockets, and the two adjacent main vertical ribs are connected with the top of the crossbeam bending main body by arranging the transverse spoke plates on the sockets on the main vertical ribs; the transverse spoke rib plates are arranged on the lower insertion ports of the main studs, and two adjacent main studs are connected to the bottom of the beam bending main body;
an upper connecting plate is arranged between the upper end of the beam front panel and the top of the beam bending main body, the beam front panel of the upper connecting plate and the beam bending main body are fixed through welding, and the upper connecting plate and the top of the beam bending main body are on the same parallel line;
a lower connecting plate is arranged between the lower end face of the crossbeam front panel and the bottom of the crossbeam bending main body, the crossbeam front panel of the lower connecting plate is fixed with the crossbeam bending main body through welding, and the lower connecting plate and the bottom of the crossbeam bending main body are on the same parallel line;
the bottom end face of the front panel of the cross beam is provided with an upright post combination panel which is fixed by welding;
the supporting plate is arranged between the upright post combination panel and the crossbeam bending main body and is fixed by welding;
the top of the beam bending main body and the upper connecting plate are both provided with upper lifting holes which are symmetrically distributed;
the bottom of the beam bending main body and the lower connecting plate are provided with lower lifting holes which are symmetrically distributed.
The main body bending type large-scale welding beam structure has the preferred scheme that square technological tables protruding upwards are arranged on the top of the beam bending main body and on two sides of a lifting hole in an upper connecting plate, and the technological tables are fixed on the top of the beam bending main body and the upper connecting plate through welding.
The main body bending type large-scale welding beam structure has the preferred scheme that a plurality of weight-reducing square openings are formed in the stand column combination panel;
and the main studs are also provided with weight reducing openings.
The main body bending type large-scale welding beam structure has the preferred scheme that two linear guide rails are welded on the upper portion and the lower portion of a beam front panel, and a rack slide rail is welded between the linear guide rails.
The main body bending type large-scale welding beam structure has the preferable scheme that the bending main body of the beam is a high-strength structural steel plate with small thickness ranging from 16mm to 25mm;
the beam front panel is an integral high-strength structural steel plate with large thickness.
The main body bending type large-scale welding beam structure has the preferred scheme that the length of the beam front panel and the distribution quantity of the main vertical ribs are distributed according to the length of the beam bending main body.
A manufacturing process of a main body bending type large-scale welding beam structure comprises the following steps: bending the high-strength structural steel plate to form a polygonal C-shaped beam bending main body, and cutting main vertical ribs, two end side sealing plates and spoke rib plates according to the formed polygonal C shape; embedding the main studs into the beam bending main body, welding the middle main stud firstly, and then welding the main studs at two ends to form a plurality of cavities in the beam bending main body, and transversely welding the radial rib plates along the beam bending main body in each cavity; splicing the crossbeam front panel and the crossbeam bending main body, and welding along the length direction of the crossbeam to enable the polygonal C-shaped crossbeam bending main body to support the position of a linear guide rail on the crossbeam front panel; splicing and welding the connecting plate, the beam bending main body and the beam front panel; after the upright post combination panel is welded with the supporting surface, finally, side sealing plates are welded on the back supporting panels on the left side surface and the right side surface of the crossbeam bending main body; when the beam is assembled and welded, the process sequence of firstly welding the vertical welding seams and then welding the horizontal welding seams is adopted; according to the assembling and welding sequence, under an ideal state, the deformation quantities of the two ends are consistent theoretically, and convenience is provided for the following orthopedic procedures.
Advantageous effects
The utility model discloses the crossbeam main part of bending adopts whole bending, effectively reduces the welding volume of crossbeam, reduces the deformation of crossbeam, improves crossbeam bending resistance section modulus, adopts integral gusset on the main part cross section, improves the vertical bending resistance of crossbeam, and this structure effectively reduces the weight of crossbeam structure spare, reduces the welding volume of crossbeam structure spare, improves crossbeam parts's response speed.
Drawings
FIG. 1 is a schematic perspective view a of a main body bending type large welding beam structure;
FIG. 2 is a schematic perspective view b of a main body bending type large-sized welded beam structure;
FIG. 3 is a schematic perspective view c of a main body bending type large-sized welded beam structure;
FIG. 4 is a top view of a main body bending type large welding beam structure;
FIG. 5 is a bottom view of a main body bending type large welding beam structure;
FIG. 6 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
fig. 7 is a sectional view taken along line B-B in fig. 1.
In the figure: the method comprises the following steps of 1-beam bending main body, 2-beam front panel, 3-main studs, 4-transverse radial rib plates, 5-upper connecting plate, 6-side sealing plate, 7-supporting plate, 8-upright column combination panel, 9-process table, 10-upper lifting hole, 11-lower lifting hole, 12-back supporting panel, 13-longitudinal radial rib plate, 14-weight reducing port, 15-lower connecting plate, 16-weight reducing square port, 17-linear guide rail and 18-rack slideway.
Detailed Description
As shown in fig. 1-7, a large-scale welding crossbeam structure of main part formula of bending, its characterized in that: the device comprises a crossbeam bending main body 1, a crossbeam front panel 2, a main stud 3, a transverse spoke rib plate 4, a connecting plate 5, a side sealing plate 6, a supporting plate 7, a stand column combination panel 8, a process platform 9, an upper lifting hole 10, a lower lifting hole 11, a back supporting panel 12, a longitudinal spoke rib plate 13 and a lower connecting plate 15;
a polygonal C-shaped beam bending main body 1 formed by bending steel plates into a whole;
two opening edges of the beam bending main body 1 are inwards folded in an oblique angle;
the crossbeam front panel 2 is arranged at the opening end of the crossbeam bending main body 1;
the back support panel 12 is in a half-frame shape, and one end of the back support panel is provided with a bending section;
the back support panels 12 are arranged on two sides of the crossbeam bending main body 1, one end of each back support panel 12 is clamped on the crossbeam front panel 2, and the other end of each back support panel 12 extends out of the crossbeam bending main body 1 and is bent to the back of the crossbeam bending main body 1;
the side surface of the back support panel 12 is a right-angled trapezoid frame, and the side sealing plate 6 is welded in the right-angled trapezoid frame;
a beam cavity is defined between the beam bending main body 1 and the back supporting panel 12, main studs 3 are uniformly distributed in the beam cavity, and the main studs 3 spaced in the beam cavity enable the beam main body to form a plurality of independent cavities;
the transverse spoke rib plates 4 are used for connecting two adjacent main studs 3 with the crossbeam front panel 2 and the back of the crossbeam bending main body 1, the front and the back of each main stud 3 are provided with sockets, and the transverse spoke rib plates 4 are arranged in the front sockets of the main studs 3 to connect the two adjacent main studs 3 with the crossbeam front panel 2; the rear insertion opening of the main stud 3 is provided with a transverse rib plate 4, and two adjacent main studs 3 are connected to the back of the beam bending main body 1;
the longitudinal rib plates 13 are used for connecting two adjacent main studs 3 with the top of the crossbeam bending main body 1 and the bottom of the crossbeam bending main body 1, the main studs 3 are provided with sockets at the upper and lower parts, and the transverse rib plates 4 are arranged on the sockets on the main studs 3 to connect the two adjacent main studs 3 with the top of the crossbeam bending main body 1; two adjacent main studs 3 are connected to the bottom of the beam bending main body 1 by arranging transverse rib plates 4 at the lower insertion ports of the main studs 3;
an upper connecting plate 5 is arranged between the upper end of the crossbeam front panel 2 and the top of the crossbeam bending main body 1, the crossbeam front panel 2 of the upper connecting plate 5 and the crossbeam bending main body 1 are fixed by welding, and the upper connecting plate 5 and the top of the crossbeam bending main body 1 are on a parallel line;
a lower connecting plate 15 is arranged between the lower end face of the beam front panel 2 and the bottom of the beam bending main body 1, the lower connecting plate 15 is fixedly welded on the beam front panel 2 and the beam bending main body 2, and the lower connecting plate 15 and the bottom of the beam bending main body 1 are on the same parallel line;
the bottom end face of the beam front panel 2 is provided with an upright post combination panel 8 which is fixed by welding;
the supporting plate 7 is arranged between the upright post combination panel 8 and the beam bending main body 1 and is fixed by welding;
the top of the beam bending main body 1 and the upper connecting plate 5 are both provided with upper lifting holes 10 which are symmetrically distributed;
the bottom of the beam bending main body 1 and the lower connecting plate 15 are both provided with lower lifting holes 11 which are symmetrically distributed.
The two sides of a lifting hole 10 in the top of the beam bending main body 1 and the upper connecting plate 5 are provided with square technological tables 9 protruding upwards, and the technological tables 9 are fixed on the top of the beam bending main body 1 and the upper connecting plate 5 through welding.
A plurality of weight-reducing square openings 14 are arranged on the upright post combination panel 8;
the main studs 3, the back support panel 12 and the side sealing plates 6 are all provided with weight reducing ports 16.
Two linear guide rails 17 are welded on the upper and lower sides of the beam front panel 2, and a rack slideway 18 is welded between the linear guide rails 17.
The beam bending main body 1 is a small-thickness steel plate of 16mm to 25mm;
the beam front panel 2 is an integral large-thickness steel plate.
The length of the beam front panel 2 and the distribution quantity of the main studs 3 are arranged according to the length of the beam bending main body 1.
A manufacturing process of a main body bending type large-scale welding beam structure comprises the following steps: bending a high-strength structural steel plate to form a polygonal C-shaped beam bending main body 1, and cutting a main vertical rib 3, two end side sealing plates 6 and a spoke rib plate 4 according to the formed polygonal C-shaped beam bending main body; embedding the main studs 3 into the beam bending main body 1, welding the middle main stud 3 firstly, and then welding the main studs 3 at two ends to form a plurality of cavities in the beam bending main body 1, and transversely welding the radial rib plates 4 along the beam bending main body 1 in each cavity; splicing the crossbeam front panel 2 with the crossbeam bending main body 1, and welding along the length direction of the crossbeam to enable the polygonal C-shaped crossbeam bending main body 1 to support the position of a linear guide rail 17 on the crossbeam front panel 2; then splicing and welding the connecting plate 5, the crossbeam bending main body 1 and the crossbeam front panel 2; after the upright post combination panel 8 is welded with the supporting surface, finally, side sealing plates 6 are welded on back supporting panels 12 on the left side surface and the right side surface of the beam bending main body 1; when the beam is assembled and welded, the process sequence of firstly welding the vertical welding seams and then welding the horizontal welding seams is adopted; according to the assembling and welding sequence, under an ideal state, the deformation quantities of the two ends are consistent theoretically, and convenience is provided for the following orthopedic procedures.
Claims (6)
1. The utility model provides a large-scale welding crossbeam structure of main part formula of bending which characterized in that: the device comprises a crossbeam bending main body (1), a crossbeam front panel (2), main studs (3), transverse spoke rib plates (4), a connecting plate (5), side sealing plates (6), a supporting plate (7), a stand column combining panel (8), a process platform (9), upper lifting holes (10), lower lifting holes (11), a back supporting panel (12), longitudinal spoke rib plates (13) and a lower connecting plate (15);
a polygonal C-shaped beam bending main body (1) formed by bending steel plates into a whole;
two opening edges of the beam bending main body (1) are inwards folded in an oblique angle;
the crossbeam front panel (2) is arranged at the opening end of the crossbeam bending main body (1);
the back support panel (12) is in a half-frame shape, and one end of the back support panel is provided with a bending section;
the back support panels (12) are arranged on two sides of the crossbeam bending main body (1), one end of each back support panel (12) is clamped on the crossbeam front panel (2), and the other end of each back support panel extends out of the crossbeam bending main body (1) and is bent to the back of the crossbeam bending main body (1);
the side surface of the back support panel (12) is provided with a right-angled trapezoid frame, and the side sealing plate (6) is welded in the right-angled trapezoid frame;
a beam cavity is defined between the beam bending main body (1) and the back supporting panel (12), main studs (3) are uniformly distributed in the beam cavity, and the beam main body is formed into a plurality of independent cavities by the main studs (3) spaced in the beam cavity;
the transverse spoke rib plates (4) are used for connecting two adjacent main studs (3) with the front panel (2) of the crossbeam and the back of the crossbeam bending main body (1), the front and the back of each main stud (3) are provided with sockets, and the transverse spoke rib plates (4) are arranged in the sockets in front of the main studs (3) to connect the two adjacent main studs (3) with the front panel (2) of the crossbeam; a transverse spoke rib plate (4) is arranged at a rear socket of the main stud (3), and two adjacent main studs (3) are connected to the back of the beam bending main body (1);
the longitudinal rib plates (13) are used for connecting two adjacent main studs (3) with the top of the crossbeam bending main body (1) and the bottom of the crossbeam bending main body (1), the upper part and the lower part of each main stud (3) are respectively provided with a socket, and the two adjacent main studs (3) are connected with the top of the crossbeam bending main body (1) by arranging the transverse rib plates (4) on the sockets on the main studs (3); the transverse spoke rib plates (4) are arranged on the lower insertion ports of the main studs (3), and two adjacent main studs (3) are connected to the bottom of the beam bending main body (1);
an upper connecting plate (5) is arranged between the upper end of the crossbeam front panel (2) and the top of the crossbeam bending main body (1), the crossbeam front panel (2) and the crossbeam bending main body (1) are fixed through welding through the upper connecting plate (5), and the upper connecting plate (5) and the top of the crossbeam bending main body (1) are on the same parallel line;
a lower connecting plate (15) is arranged between the lower end face of the beam front panel (2) and the bottom of the beam bending main body (1), the beam front panel (2) and the beam bending main body (1) are fixed through welding through the lower connecting plate (15), and the lower connecting plate (15) and the bottom of the beam bending main body (1) are on the same parallel line;
the bottom end face of the beam front panel (2) is provided with an upright post combination panel (8) which is fixed by welding;
the supporting plate (7) is arranged between the upright post combination panel (8) and the beam bending main body (1) and is fixed by welding;
the top of the beam bending main body (1) and the upper connecting plate (5) are provided with upper lifting holes (10) which are symmetrically distributed;
the bottom of the beam bending main body (1) and the lower connecting plate (15) are provided with lower lifting holes (11) which are symmetrically distributed.
2. The main body bending type large-sized welding beam structure according to claim 1, characterized in that: the novel horizontal beam bending machine is characterized in that square technological tables (9) protruding upwards are arranged on the top of the beam bending main body (1) and two sides of a lifting hole (10) in the upper connecting plate (5), and the technological tables (9) are fixed on the top of the beam bending main body (1) and the upper connecting plate (5) through welding.
3. The main body bending type large-sized welding beam structure according to claim 1, characterized in that: a plurality of weight-reducing square openings (14) are arranged on the upright post combination panel (8);
and weight reducing openings (16) are formed in the main studs (3), the back supporting panel (12) and the side sealing plates (6).
4. The main body bending type large-scale welding beam structure according to claim 1, characterized in that: two linear guide rails (17) are welded on the upper portion and the lower portion of the cross beam front panel (2), and a rack slide rail (18) is welded between the linear guide rails (17).
5. The main body bending type large-sized welding beam structure according to claim 1, characterized in that: the beam bending main body (1) is a small-thickness steel plate of 16mm to 25mm;
the beam front panel (2) is an integral large-thickness steel plate.
6. The main body bending type large-sized welding beam structure according to claim 1, characterized in that: the length of the beam front panel (2) and the distribution quantity of the main studs (3) are arranged according to the length of the beam bending main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222985928.2U CN218695971U (en) | 2022-11-10 | 2022-11-10 | Main part large-scale welding crossbeam structure of formula of bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222985928.2U CN218695971U (en) | 2022-11-10 | 2022-11-10 | Main part large-scale welding crossbeam structure of formula of bending |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218695971U true CN218695971U (en) | 2023-03-24 |
Family
ID=85612848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222985928.2U Active CN218695971U (en) | 2022-11-10 | 2022-11-10 | Main part large-scale welding crossbeam structure of formula of bending |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218695971U (en) |
-
2022
- 2022-11-10 CN CN202222985928.2U patent/CN218695971U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202377671U (en) | Assembling and spot welding integral tool for side wall frameworks of railway vehicles | |
| CN111069945A (en) | Special fixture for Tesla rear auxiliary aluminum alloy frame | |
| CN218695971U (en) | Main part large-scale welding crossbeam structure of formula of bending | |
| CN103143828B (en) | Assembling and spot-welding integral tooling for side wall skeleton of track vehicle | |
| CN211966377U (en) | Single-cylinder-driven feeding in-place simultaneous positioning and double-pressure-head tightening self-locking mechanism | |
| CN104439820B (en) | Thin plate grafting Quick combined clamp and manufacture method thereof | |
| CN213410854U (en) | Three-dimensional five-axis numerical control laser cutting machine's frame | |
| CN210388959U (en) | Positioning tool for front cross beam and longitudinal beam of vehicle frame | |
| CN204262627U (en) | Thin plate grafting Quick combined clamp | |
| CN215626276U (en) | Pipe mortise and tenon structure cab | |
| CN213225103U (en) | Double-deck integral type workstation of preapring for an unfavorable turn of events shape | |
| CN216151640U (en) | Tool for assembling lower part of side door line of excavator | |
| CN220902384U (en) | Frame welding positioning tool | |
| CN221019699U (en) | Integrated structure of upright post and cross beam of numerical control gantry machine tool | |
| CN217859614U (en) | Special centre gripping location frock of mould welding equipment | |
| CN213638436U (en) | Assembled cabinet | |
| CN205254936U (en) | Furniture becomes quality control sand workstation | |
| CN218698034U (en) | Tractor frame positioning tool | |
| CN215355730U (en) | Mould is used in processing of car A post reinforcing plate | |
| CN216626411U (en) | Frame rack of assembling from front to back | |
| CN214144865U (en) | Assembled temporary support | |
| CN218395504U (en) | Axial lifting guide rail mechanism of vertical spinning machine with four spinning wheels | |
| CN218964666U (en) | Gantry beam and machining center | |
| CN217860063U (en) | Brace is used in movable cutting | |
| CN213795222U (en) | Numerical control machine tool stable in structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240110 Address after: 110027, No. 17-1-4 Kaifa Road, Economic and Technological Development Zone, Shenyang City, Liaoning Province Patentee after: SHENYANG ZHONGJIE AEROSPACE MACHINE TOOL Co.,Ltd. Address before: 110027 No. 1-8, 17a, Kaifa Road, Shenyang Economic and Technological Development Zone, Liaoning Province Patentee before: General Technology Group Shenyang Machine Tool Co.,Ltd. Patentee before: SHENYANG ZHONGJIE AEROSPACE MACHINE TOOL Co.,Ltd. |