CN213003754U - Double-station multi-shaft numerical control machining center - Google Patents

Double-station multi-shaft numerical control machining center Download PDF

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Publication number
CN213003754U
CN213003754U CN202021944413.2U CN202021944413U CN213003754U CN 213003754 U CN213003754 U CN 213003754U CN 202021944413 U CN202021944413 U CN 202021944413U CN 213003754 U CN213003754 U CN 213003754U
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axis
saddle
sliding
servo motor
numerical control
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CN202021944413.2U
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Chinese (zh)
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陶龙
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Dongguan Xinsen Automation Technology Co ltd
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Dongguan Xinsen Automation Technology Co ltd
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Abstract

The utility model discloses a double-station multi-axis numerical control machining center, which comprises a base, a Y-axis linear module, a portal frame, an X-axis sliding saddle, a Z-axis sliding table, a rotating arm and a machine head assembly; two groups of Y-axis linear modules are arranged on the base, and each Y-axis linear module drives one workbench to move along the Y-axis direction; the portal frame is erected on the upper sides of the two Y-axis linear modules and is fixedly connected with the base; the X-axis saddle is slidably mounted on a cross beam of the portal frame; the X-axis saddle is provided with a first servo motor, and the first servo motor drives the X-axis saddle to slide along the X-axis direction through rack transmission; the Z-axis sliding table is slidably mounted on the X-axis sliding saddle, and a first power device used for driving the Z-axis sliding table to slide along the Z-axis direction is arranged on the Z-axis sliding table. The utility model discloses work efficiency is high, the big advantage of operation scope.

Description

Double-station multi-shaft numerical control machining center
Technical Field
The utility model belongs to the technical field of the numerical control equipment technique and specifically relates to a duplex position multiaxis numerical control machining center.
Background
The numerical control machining center is one of numerical control machines with highest yield and most extensive application in the world at present. The comprehensive processing capacity is strong, a workpiece can finish more processing contents after being clamped once, the processing precision is high, batch workpieces with medium processing difficulty are processed, the efficiency is 5-10 times that of common equipment, especially, the batch processing method can finish processing which cannot be finished by a plurality of common equipment, and the batch processing method is more suitable for single-piece processing or medium-small batch multi-variety production with complex shapes and high precision requirements.
However, with the improvement of production requirements, the existing numerical control machining center has various defects, for example, the numerical control machining center only has one station, so that feeding and discharging operations and machining operations need to be performed alternately, and the effective efficiency is reduced; for another example, most machining centers only have a three-axis moving function, so that the working range is small.
Thus, the prior art is subject to improvement and advancement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem to the problem among the above-mentioned prior art, provide a duplex position multiaxis numerical control machining center, the purpose improves numerical control machining center's production efficiency and enlarges its operation scope.
In order to solve the technical problem, the utility model adopts a technical scheme that the double-station multi-axis numerical control machining center comprises a base, a Y-axis linear module, a portal frame, an X-axis saddle, a Z-axis sliding table, a rotating arm and a machine head assembly; two groups of Y-axis linear modules are arranged on the base, and each Y-axis linear module drives one workbench to move along the Y-axis direction; the portal frame is erected on the upper sides of the two Y-axis linear modules and is fixedly connected with the base; the X-axis saddle is slidably mounted on a cross beam of the portal frame; the X-axis saddle is provided with a first servo motor, and the first servo motor drives the X-axis saddle to slide along the X-axis direction through rack transmission; the Z-axis sliding table is slidably mounted on the X-axis sliding saddle, and a first power device for driving the Z-axis sliding table to slide along the Z-axis direction is arranged on the Z-axis sliding table; one end of the rotating arm is rotatably arranged at the bottom of the Z-axis sliding table; a second power device for driving the rotating arm to rotate around the Z axis is arranged at the bottom of the Z-axis sliding table; the machine head assembly is rotatably arranged at the other end of the rotating arm; a third power device for driving the head assembly to rotate is arranged at the end part of the rotating arm; the axis of rotation of the handpiece assembly is perpendicular to the Z axis.
For further explanation of the above technical solution:
in the technical scheme, the portal frame comprises two upright columns and a cross beam erected at the tops of the two upright columns; two X-direction guide rails with staggered heights are arranged on the front side wall of the cross beam; two X-direction sliding blocks are arranged on the rear side of the X-axis sliding saddle; the two X-direction sliding blocks correspond to the two X-direction guide rails one by one; two ends of the portal frame along the X-axis direction are respectively provided with a limiting device for limiting the travel of the X-axis saddle; the top of the cross beam is provided with a helical rack along the X-axis direction; the X-axis saddle is characterized in that a first motor base is further mounted on the rear side wall of the top of the X-axis saddle, a first servo motor is mounted on the first motor base, and a helical gear meshed with the helical rack is sleeved on an output shaft of the first servo motor.
In the above technical solution, the Z-axis sliding table includes a chassis and a Z-direction guide rail; two Z-direction guide rails are arranged on the rear side of the case; two Z-direction sliding blocks are arranged on the front side wall of the X-axis saddle; the two Z-direction sliding blocks correspond to the two Z-direction guide rails one by one; the first power device comprises a Z-direction screw rod nut, a Z-direction screw rod, a first bearing seat and a second servo motor; the Z-direction screw rod nut is arranged on the front side wall of the X-axis saddle; the Z-direction screw rod is in threaded fit with the Z-direction screw rod nut; two ends of the Z-direction screw rod are rotatably arranged on the case through the first bearing seat; the second servo motor is installed on the top of the case and drives the Z-direction screw rod to rotate in a belt wheel transmission mode.
In the above technical solution, the second power device includes a Z-direction rotation shaft and a third servo motor; the third servo motor is arranged in the Z-axis sliding table; the Z-direction rotating shaft can penetrate through the bottom of the Z-axis sliding table in a manner of rotating around the Z axis; the third servo motor is arranged in the Z-axis sliding table and drives the Z-axis rotating shaft to rotate in a belt wheel transmission mode; the rotating arm is fixedly connected with the bottom of the Z-direction rotating shaft.
In the above technical solution, the rotating arm is a hollow L-shaped structure, and includes a horizontal part and a vertical part; one end of the horizontal part is fixedly connected with the Z-direction rotating shaft, and the other end of the horizontal part is downwards formed with the vertical part; the third power device comprises an X-direction rotating shaft and a fourth servo motor; the X-direction rotating shaft is arranged at the lower end of the vertical part in a manner of rotating around the X axis; the fourth servo motor is installed in the horizontal part and drives the X-direction rotating shaft to rotate in a belt wheel transmission mode.
In the above technical solution, the head assembly includes a mounting base, an electric spindle and a milling cutter; the mounting seat is fixedly connected with the X-direction rotating shaft; the electric spindle is arranged and installed on the installation seat along the vertical direction; the electric spindle drives the milling cutter to rotate.
In the above technical solution, the Y-axis linear module is a ball screw type linear module.
In the technical scheme, the middle part of each workbench is provided with a rotating assembly for mounting the workpiece jig.
In the technical scheme, the stroke of the X-axis saddle is 2.5 m; the stroke of workstation is 1.6m, the stroke of Z axle slip table is 0.8 m.
The beneficial effects of the utility model reside in that:
firstly, through the arrangement of the two working tables, when the machine head assembly performs machining operation on one working table, an operator can perform feeding and discharging operation on the other working table, so that the production efficiency is improved, meanwhile, the two working tables are respectively arranged on one Y-axis linear module, so that the feeding and discharging operation position and the machining operation position can be staggered along the Y-axis direction, the operator can be far away from the machine head assembly, and the risk of accidental injury of the operator by the machine head assembly is reduced; secondly, the rotating arm is driven to rotate around the Z axis by the second power device, and the head assembly is driven to rotate around the X axis by the third power device, so that the operation range of the head assembly is increased, and the processing operation of the utility model is more flexible and diversified; third, the first servo motor drives the X-axis saddle to slide in a rack transmission mode, the gantry crane is more suitable for large-scale portal frames, compared with a screw rod transmission mode, the rack transmission power transmission is large, the service life is long, the work is stable, and the reliability is high.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the portal frame and the components mounted thereon;
fig. 3 is a schematic structural diagram of the first power device, the second power device and the third power device of the present invention.
The reference numbers in the figures are respectively: 1. a base; 2. a Y-axis linear module; 3. a work table; 4. a gantry; 5. an X-axis saddle; 6. a first servo motor; 7. a Z-axis sliding table; 8. a first power unit; 9. a rotating arm; 10. a second power unit; 11. a head assembly; 12. a third power unit; 13. a column; 14. a cross beam; 15. an X-direction guide rail; 16. a limiting device; 17. a helical rack; 18. a helical gear; 19. a chassis; 20. a Z-direction guide rail; 21. a Z-direction screw rod; 22. a first bearing housing; 23 a second servo motor; 24. a Z-direction rotating shaft; 25. a third servo motor; 26. a horizontal portion; 27. a vertical portion; 28. an X-direction rotating shaft; 29. A fourth servo motor; 30. a mounting seat; 31. an electric spindle; 32. milling cutters; 33 rotating the assembly.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Fig. 1-3 illustrate a specific embodiment of duplex position multiaxis numerical control machining center, refer to fig. 1-3, a duplex position multiaxis numerical control machining center, including base 1, Y axle straight line module 2, portal frame 4, X axle saddle 5, Z axle slip table 7, swinging boom 9 and aircraft nose subassembly 11. Two sets of Y-axis linear modules 2 are arranged on the base 1, and each Y-axis linear module 2 drives one workbench 3 to move along the Y-axis direction. The portal frame 4 is erected on the upper sides of the two Y-axis linear modules 2 and is fixedly connected with the base 1. The X-axis saddle 5 is slidably mounted on a cross beam 14 of the portal frame 4; the X-axis saddle 5 is provided with a first servo motor 6, and the first servo motor 6 drives the X-axis saddle 5 to slide along the X-axis direction through rack transmission. The Z-axis sliding table 7 is slidably mounted on the X-axis sliding saddle 5, and a first power device 8 used for driving the Z-axis sliding table 7 to slide along the Z-axis direction is arranged on the Z-axis sliding table 7. One end of the rotating arm 9 is rotatably arranged at the bottom of the Z-axis sliding table 7; a second power device 10 for driving the rotating arm 9 to rotate around the Z axis is arranged at the bottom of the Z-axis sliding table 7; the handpiece component 11 is rotatably arranged at the other end of the rotating arm 9; a third power device 12 for driving the handpiece component 11 to rotate is arranged at the end part of the rotating arm 9; the axis of rotation of the handpiece assembly 11 is perpendicular to the Z-axis.
The utility model discloses a theory of operation does: firstly, two end points of the workbench 3 sliding along the Y-axis direction are respectively set as a feeding and discharging station and a processing station, and the feeding and discharging stations of the two workbenches 3 are arranged on the same side; then, when one of the work tables 3 is located at the loading and unloading station thereof, the other work table 3 is located at the processing station thereof, and at this time, an operator carries out loading and unloading operations on the work table 3 located at the loading and unloading station, and the first servo motor 6, the first power device 8, the second power device 10, the third power device 12 and the Y-axis linear module 2 work to drive the machine head assembly 11 and the work table 3 to form five-axis linkage processing operations.
Specifically, the gantry 4 includes two columns 13 and a beam 14 mounted on the tops of the two columns 13. The two upright columns 13 are respectively fixedly arranged on two sides of the base 1 along the X-axis direction; the cross beam 14 is a square tube. Two X-direction guide rails 15 with staggered heights are arranged on the front side wall of the cross beam 14; two X-direction sliding blocks are arranged on the rear side of the X-axis saddle 5; the two X-direction sliding blocks correspond to the two X-direction guide rails 15 one by one, and the installation rigidity and the stability in operation of the X-axis saddle 5 are ensured by the installation mode of the double guide rails. Crossbeam 14 of portal frame 4 respectively is equipped with one along the both ends of X axle direction and is used for the restriction the stop device 16 of 5 strokes of X axle saddle, stop device 16 can be micro-gap switch or cushion the stopper prevents X axle saddle 5 breaks away from crossbeam 14 has improved the utility model discloses a security. The top of the beam 14 is provided with a helical rack 17 along the X-axis direction; first motor cabinet is still installed to the top rear side wall of X axle saddle 5, first servo motor 6 is installed on the first motor cabinet, on the output shaft of first servo motor 6 the cover be equipped with helical gear 18 of helical gear 17 meshing is compared in the gear drive system that spur rack and straight-teeth gear meshing constitute, helical gear 17 with helical gear 18's transmission efficiency is higher and more steady. The sliding principle of the X-axis saddle 5 is as follows: firstly, the first servo motor 6 is connected with an external power supply to start working; then, the helical gear 18 rotates synchronously with the output shaft of the first servo motor 6; finally, the helical gear 18 rotates to cause relative movement between the helical gear 18 and the helical rack 17, and since the helical rack 17 is fixed to the cross member 14, movement in the X-axis direction is caused by the helical gear 18 and the X-axis saddle 5 relative to the cross member 14.
Further, the Z-axis slide table 7 includes a chassis 19 and a Z-guide rail 20. Two Z-direction guide rails 20 are arranged at the rear side of the case 19; two Z-direction sliding blocks are arranged on the front side wall of the X-axis saddle 5; the two Z-direction sliders correspond to the two Z-direction rails 20 one by one, and the installation mode of the double rails ensures the installation rigidity and the stability during operation of the chassis 19. The first power device 8 comprises a Z-direction screw rod nut, a Z-direction screw rod 21, a first bearing seat 22 and a second servo motor 23. The Z-direction screw rod nut is arranged on the front side wall of the X-axis saddle 5; the Z-direction screw rod 21 is in threaded fit with the Z-direction screw rod nut; two ends of the Z-direction screw rod 21 are rotatably installed on the case 19 through the first bearing seat 22; the second servo motor 23 is installed on the top of the case 19, and drives the Z-direction screw rod 21 to rotate in a belt wheel transmission manner. The sliding working principle of the Z-axis sliding table 7 is as follows: firstly, the second servo motor 23 is connected to an external power supply to start working, and drives the Z-direction screw rod 21 to rotate in a belt wheel transmission mode; then, when the Z-direction lead screw 21 rotates, the Z-direction lead screw 21 and the Z-direction lead screw nut generate relative movement in the Z-axis direction; finally, since the Z-lead screw nut is fixed on the X-axis saddle 5, and the Z-lead screw 21 is mounted on the chassis 19, the chassis 19 is slidably mounted on the X-axis saddle 5, and thus is moved in the Z-axis direction by the chassis 19, that is, by the Z-axis slide table 7.
Further, the second power unit 10 includes a Z-axis rotation shaft 24 and a third servo motor 25. The third servomotor 25 is installed in the Z-axis slide table 7, specifically, at the bottom in the housing 19. A Z-direction rotating shaft 24 is arranged at the bottom of the Z-axis sliding table 7 in a penetrating manner and can rotate around the Z axis; the third servo motor 25 is arranged in the Z-axis sliding table 7 and drives the Z-axis rotating shaft 24 to rotate in a belt wheel transmission mode; the rotating arm 9 is fixedly connected with the bottom of the Z-direction rotating shaft 24.
Preferably, the rotating arm 9 is a hollow L-shaped structure, and includes a horizontal portion 26 and a vertical portion 27; one end of the horizontal part 26 is fixedly connected with the Z-direction rotating shaft 24, and the other end is formed with the vertical part 27 downward; the third power device 12 comprises an X-direction rotating shaft 28 and a fourth servo motor 29; the X-direction rotating shaft 28 is mounted on the lower end of the vertical part 27 in a manner of rotating around the X-axis; the fourth servo motor 29 is installed in the horizontal portion 26, and drives the X-axis rotary shaft 28 to rotate by means of pulley transmission.
Preferably, the head assembly 11 comprises a mounting base 30, an electric spindle 31 and a milling cutter 32; the mounting seat 30 is fixedly connected with the X-direction rotating shaft 28; the electric spindle 31 is arranged and installed on the installation seat 30 along the vertical direction; the electric spindle 30 drives the milling cutter 32 in rotation. The motorized spindle 31 has the advantages of compact structure, light weight, small inertia, low noise, fast response and the like.
Further, the Y-axis linear module 2 is a ball screw type linear module.
Furthermore, a rotating component 33 for installing a workpiece fixture is arranged in the middle of each working table 3. Specifically, the bottom of the workbench is further provided with a fifth servo motor, the fifth servo motor drives the rotating assembly 33 to rotate, the rotating assembly 33 drives a workpiece fixture mounted on the rotating assembly to rotate +/-9 degrees with a workpiece around a Z axis, and therefore six-axis linkage machining operation is formed on the basis of the original five-axis linkage.
Preferably, the stroke of the X-axis saddle 5 is 2.5 m; the stroke of the workbench 3 is 1.6m, and the stroke of the Z-axis sliding table 7 is 0.8 m.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (9)

1. A double-station multi-axis numerical control machining center is characterized by comprising a base, a Y-axis linear module, a portal frame, an X-axis sliding saddle, a Z-axis sliding table, a rotating arm and a machine head assembly; two groups of Y-axis linear modules are arranged on the base, and each Y-axis linear module drives one workbench to move along the Y-axis direction; the portal frame is erected on the upper sides of the two Y-axis linear modules and is fixedly connected with the base; the X-axis saddle is slidably mounted on a cross beam of the portal frame; the X-axis saddle is provided with a first servo motor, and the first servo motor drives the X-axis saddle to slide along the X-axis direction through rack transmission; the Z-axis sliding table is slidably mounted on the X-axis sliding saddle, and a first power device for driving the Z-axis sliding table to slide along the Z-axis direction is arranged on the Z-axis sliding table; one end of the rotating arm is rotatably arranged at the bottom of the Z-axis sliding table; a second power device for driving the rotating arm to rotate around the Z axis is arranged at the bottom of the Z-axis sliding table; the machine head assembly is rotatably arranged at the other end of the rotating arm; a third power device for driving the head assembly to rotate is arranged at the end part of the rotating arm; the axis of rotation of the handpiece assembly is perpendicular to the Z axis.
2. The double-station multi-axis numerical control machining center according to claim 1, wherein the gantry comprises two columns and a beam arranged at the tops of the two columns; two X-direction guide rails with staggered heights are arranged on the front side wall of the cross beam; two X-direction sliding blocks are arranged on the rear side of the X-axis sliding saddle; the two X-direction sliding blocks correspond to the two X-direction guide rails one by one; two ends of the portal frame along the X-axis direction are respectively provided with a limiting device for limiting the travel of the X-axis saddle; the top of the cross beam is provided with a helical rack along the X-axis direction; the X-axis saddle is characterized in that a first motor base is further mounted on the rear side wall of the top of the X-axis saddle, a first servo motor is mounted on the first motor base, and a helical gear meshed with the helical rack is sleeved on an output shaft of the first servo motor.
3. The double-station multi-axis numerical control machining center according to claim 2, wherein the Z-axis sliding table comprises a machine case and a Z-direction guide rail; two Z-direction guide rails are arranged on the rear side of the case; two Z-direction sliding blocks are arranged on the front side wall of the X-axis saddle; the two Z-direction sliding blocks correspond to the two Z-direction guide rails one by one; the first power device comprises a Z-direction screw rod nut, a Z-direction screw rod, a first bearing seat and a second servo motor; the Z-direction screw rod nut is arranged on the front side wall of the X-axis saddle; the Z-direction screw rod is in threaded fit with the Z-direction screw rod nut; two ends of the Z-direction screw rod are rotatably arranged on the case through the first bearing seat; the second servo motor is installed on the top of the case and drives the Z-direction screw rod to rotate in a belt wheel transmission mode.
4. The double-station multi-shaft numerical control machining center according to claim 1, wherein the second power device comprises a Z-direction rotating shaft and a third servo motor; the third servo motor is arranged in the Z-axis sliding table; the Z-direction rotating shaft can penetrate through the bottom of the Z-axis sliding table in a manner of rotating around the Z axis; the third servo motor is arranged in the Z-axis sliding table and drives the Z-axis rotating shaft to rotate in a belt wheel transmission mode; the rotating arm is fixedly connected with the bottom of the Z-direction rotating shaft.
5. The double-station multi-axis numerical control machining center according to claim 4, wherein the rotating arm is of a hollow L-shaped structure and comprises a horizontal part and a vertical part; one end of the horizontal part is fixedly connected with the Z-direction rotating shaft, and the other end of the horizontal part is downwards formed with the vertical part; the third power device comprises an X-direction rotating shaft and a fourth servo motor; the X-direction rotating shaft is arranged at the lower end of the vertical part in a manner of rotating around the X axis; the fourth servo motor is installed in the horizontal part and drives the X-direction rotating shaft to rotate in a belt wheel transmission mode.
6. The double-station multi-axis numerical control machining center of claim 5, wherein the nose assembly comprises a mounting base, an electric spindle and a milling cutter; the mounting seat is fixedly connected with the X-direction rotating shaft; the electric spindle is arranged and installed on the installation seat along the vertical direction; the electric spindle drives the milling cutter to rotate.
7. The double-station multi-axis numerical control machining center according to any one of claims 1 to 6, wherein the Y-axis linear module is a ball screw type linear module.
8. The double-station multi-axis numerical control machining center according to claim 7, wherein a rotating assembly for mounting a workpiece fixture is arranged in the middle of each workbench.
9. The double-station multi-axis numerical control machining center of claim 7, wherein the stroke of the X-axis saddle is 2.5 m; the stroke of workstation is 1.6m, the stroke of Z axle slip table is 0.8 m.
CN202021944413.2U 2020-09-08 2020-09-08 Double-station multi-shaft numerical control machining center Active CN213003754U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021944413.2U CN213003754U (en) 2020-09-08 2020-09-08 Double-station multi-shaft numerical control machining center

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021944413.2U CN213003754U (en) 2020-09-08 2020-09-08 Double-station multi-shaft numerical control machining center

Publications (1)

Publication Number Publication Date
CN213003754U true CN213003754U (en) 2021-04-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021944413.2U Active CN213003754U (en) 2020-09-08 2020-09-08 Double-station multi-shaft numerical control machining center

Country Status (1)

Country Link
CN (1) CN213003754U (en)

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