CN209954214U - Gantry machine tool flexibility and automatic manufacturing system - Google Patents

Abstract

The utility model discloses a gantry machine tool flexibility and automated manufacturing system, include: the automatic guide transport vehicle can move between a processing position and a goods taking and unloading position, and when the automatic guide transport vehicle is positioned at the processing position, the automatic guide transport vehicle is positioned on the base; the multi-point synchronous jacking mechanism is arranged on the base and comprises a first lifting unit and a second lifting unit, the first lifting unit abuts against the first extending portion, the second lifting unit abuts against the second extending portion, and the first lifting unit and the second lifting unit are driven to synchronously move. According to the utility model discloses a flexible and automated manufacturing system of gantry machine tool, the characteristics of flexible and automated manufacturing system of gantry machine tool are that the integrated level is high, have not only realized the small batch parts machining of many varieties manufacturing of gantry machine tool, have still realized the automation of lathe and have gone up unloading and operate unmanned.

Description

Gantry machine tool flexibility and automatic manufacturing system

Technical Field

The utility model relates to a lathe technical field, particularly, in particular to gantry machine tool flexibility and automated manufacturing system.

Background

Common planer machines include planer milling machines, planer planing machines, and the like. The gantry machine tool structurally mainly comprises a portal frame and a machine tool body workbench, wherein the portal frame consists of a stand column and a top beam, and a cross beam is arranged in the middle of the portal frame. The beam can move up and down along the two upright post guide rails. The beam is provided with a processing cutter head (a milling head or a planing head) with a vertical main shaft, and the processing cutter head can move transversely along the guide rail of the beam. The machining tool bit can carry out X, Y, Z three-axis movement under the drive of the numerical control system relative to a workpiece fixed on the bed worktable so as to finish cutting.

According to whether the portal frame moves, the gantry type moving gantry. The movable column gantry has the characteristics of small floor area, large bearing capacity, and capability of enabling the travel of a gantry frame to reach 20 meters, and is convenient for processing extra-long or extra-heavy workpieces. The beam is divided into a movable beam type and a fixed beam type according to whether the beam moves on the upright post or not; the movement of the cross-beam over the elevated bed is called elevated.

With the continuous development of machine tool technology and manufacturing process, the demands for automation and flexibility of large-size machining are increasingly urgent, and especially in the manufacturing fields of aerospace, automobile parts, turbine parts, molds and the like, the technical problems of how to reduce the auxiliary time of transferring, clamping and the like of the parts in the manufacturing process and improve the machining efficiency of the machine tool are more and more obvious.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. In view of this, the utility model discloses need to provide a gantry machine tool flexibility and automated manufacturing system to realize the flexibility and the automation of major possession processing, ensure the manufacturing effect of high accuracy high reliability.

According to the utility model discloses gantry machine tool flexibility and automated manufacturing system, include: the automatic guide transport vehicle comprises a base, a rack arranged on the base, an automatic guide transport vehicle, a working auxiliary table, a multipoint synchronous jacking mechanism and a driving mechanism, wherein a tool apron assembly with a preset distance from the base is arranged on the rack; the automatic guided transport vehicle can move between a processing position and a loading and unloading position, and when the automatic guided transport vehicle is located at the processing position, the automatic guided transport vehicle is located on the base; the auxiliary working table can be placed on the automatic guide transport vehicle and can move up and down relative to the automatic guide transport vehicle, the width of the auxiliary working table is larger than that of the automatic guide transport vehicle, a first extending part extends out of one side of the automatic guide transport vehicle, and a second extending part extends out of the other side of the automatic guide transport vehicle; the multi-point synchronous jacking mechanism is arranged on the base and comprises a first lifting unit and a second lifting unit, the first lifting unit abuts against the first extending portion, the second lifting unit abuts against the second extending portion, and the driving mechanism is connected with the first lifting unit and the second lifting unit to drive the first lifting unit and the second lifting unit to synchronously move.

According to the utility model discloses a flexible and automated manufacturing system of gantry machine tool, gantry machine tool flexibility and automated manufacturing system's characteristics are that the integrated level is high, have not only realized the small batch parts machining of many varieties manufacturing of gantry machine tool, have still realized the automation of lathe and have gone up unloading and operate unmanned.

In addition, according to the utility model discloses a gantry machine tool flexibility and automated manufacturing system of above-mentioned embodiment can also have following additional technical characterstic:

according to an embodiment of the present invention, the first elevator group includes a plurality of spaced first elevators located on the same straight line, the second elevator group includes a plurality of spaced second elevators located on the same straight line, and the first elevators and the second elevators can be lifted and lowered in the up-down direction in synchronization.

According to an embodiment of the invention, the first lift with the second lift is a screw rod lift.

According to the utility model discloses an embodiment, actuating mechanism is the motor, the motor pass through speed reducer and steering gear with first lift reaches the second lift is connected.

According to the utility model discloses an embodiment, be equipped with the locking mechanism who is used for fixing a position the work piece on the work vice platform.

According to the utility model discloses an embodiment, be equipped with the basic tool magazine that is used for depositing the cutter on the automatic guided transporting vehicle, the automatic guided transporting vehicle can move on the base blade holder subassembly below to change and shift the cutter.

According to the utility model discloses an embodiment, be equipped with stop device on the automatic guide transport vechicle, stop device be used for with the vice platform restriction of work is moving along upper and lower direction.

According to the utility model discloses an embodiment, stop device is for establishing a plurality of stands of automatic guide transport vechicle up end, be equipped with on the work vice bench with a plurality of the locating hole that the stand matches.

According to the utility model discloses an embodiment, stop device is including establishing spacing seat on the automatic guided transporting vehicle, be equipped with the guiding hole that extends along upper and lower direction on the spacing seat, be equipped with on the spacing seat and stretch into just can be relative in the guiding hole spacing seat is along the gliding slide bar of upper and lower direction, the top of slide bar with workstation fixed connection.

According to the utility model discloses an embodiment, be equipped with spiral helicine oil groove on the internal perisporium of guiding hole.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic perspective view of a gantry machine tool flexible and automated manufacturing system according to an embodiment of the present invention.

Fig. 2 is a side view of a gantry machine flexibility and automated manufacturing system according to one embodiment of the present invention.

Fig. 3 is a front view of a gantry machine flexibility and automated manufacturing system, according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a multipoint synchronous jacking mechanism of a gantry machine flexibility and automated manufacturing system according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, 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 indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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 invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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 under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-4, a gantry machine tool flexibility and automation manufacturing system 100 according to an embodiment of the present invention includes: the automatic lifting device comprises a base 10, a frame 20 arranged on the base 10, an automatic guide transport vehicle 30, a working auxiliary table 40, a multipoint synchronous lifting mechanism 50 and a driving mechanism 60.

Specifically, the frame 20 may be provided with a tool rest assembly 21, which may include a milling cutter, at a predetermined distance from the base 10 to machine the workpiece.

The automated guided vehicle 30 is movable between a processing position and a pick-and-place position, and when the automated guided vehicle 30 is in the processing position, the automated guided vehicle 30 is positioned on the base 10. The work sub-table 40 is used for placing the workpiece 200, and the work sub-table 40 is placed on the automatic guided vehicle 30 and is movable in the vertical direction with respect to the automatic guided vehicle 30. it should be noted that, when the automatic guided vehicle 30 is located at a processing position on the base 10, the work sub-table 40 is controlled to move in the vertical direction with respect to the automatic guided vehicle 30, so that the workpiece on the work sub-table 40 is processed when the work sub-table 40 is moved to a predetermined position.

The width of the work sub deck 40 may be greater than the width of the automatic guided vehicle 30, and the work sub deck 40 has a first protruding portion 41 protruding from one side of the automatic guided vehicle 30 and a second protruding portion 42 protruding from the other side of the automatic guided vehicle 30.

The multi-point synchronous jacking mechanism 50 is disposed on the base 10, the multi-point synchronous jacking mechanism 50 may include a first elevator group 51 abutting against the first protruding portion 41 and a second elevator group 52 abutting against the second protruding portion 42, and the first elevator group 51 and the second elevator group 52 may push the work sub-table 40 to move in the up-and-down direction.

The driving mechanism 60 is connected to the first elevator group 51 and the second elevator group 52 to drive the first elevator group 51 and the second elevator group 52 to synchronously operate.

According to the utility model discloses a flexible and automated manufacturing system 100 of gantry machine tool, gantry machine tool flexibility and automated manufacturing system's characteristics are that the integrated level is high, have not only realized the small batch parts machining of many varieties manufacturing of gantry machine tool, have still realized the automation of lathe and have gone up unloading and operate unmanned.

As shown in fig. 1 to 4, according to an embodiment of the present invention, the first elevator group 51 includes a plurality of spaced first elevators 511 located on the same straight line, the second elevator group 52 includes a plurality of spaced second elevators 521 located on the same straight line, and the first elevators 511 and the second elevators 521 can be synchronously lifted and lowered in the up-and-down direction. This allows the sub-table 40 to be stably driven to move back and forth in the vertical direction.

To facilitate control, according to an embodiment of the present invention, the first lifter 511 and the second lifter 521 are both screw lifters.

As shown in fig. 4, according to an embodiment of the present invention, the driving mechanism 60 may be a motor connected to the first lifter 511 and the second lifter 521 through a reducer 61 and a diverter 62. Accordingly, the first lifter 511 and the second lifter 521 can be ensured to operate synchronously and stably.

In order to facilitate the locking of the workpiece for processing, according to the utility model discloses an embodiment, can be equipped with the locking mechanism who is used for fixing a position the workpiece on the work vice table 40.

As shown in fig. 1-3, according to an embodiment of the present invention, a basic tool magazine (not shown) for storing tools may be provided on the automatic guided vehicle 30, and the automatic guided vehicle 30 may be moved on the base 10 to a position below the tool apron assembly 21, so as to facilitate tool replacement and transfer. Thus, automatic replacement of the cutter can be facilitated.

It can be appreciated that, in order to ensure the flexibility of the gantry machine and the stability of the automated manufacturing system 100 during operation, according to an embodiment of the present invention, the automatic guided vehicle 30 may be provided with a position limiting device, and the position limiting device is used to limit the work sub-table 40 to move in the up-and-down direction. Further, the limiting device is a plurality of columns arranged on the upper end face of the automatic guide transport vehicle, and the auxiliary workbench 40 is provided with positioning holes matched with the plurality of columns.

It can be understood that the limiting device is not limited thereto, for example, according to the utility model discloses an embodiment, the limiting device is equipped with the guiding hole that extends along the upper and lower direction including establishing the spacing seat on the automated guided transporting vehicle 30 on the spacing seat, be equipped with on the spacing seat to stretch into in the guiding hole and spacing seat relatively along the gliding slide bar of upper and lower direction, the top and the workstation fixed connection of slide bar. Preferably, to avoid external wear, the inner circumferential wall of the guide hole is provided with a helical oil groove.

It can be understood that, when the automatic guided vehicle 30 is used, a detection deviation correcting device (not shown) is required to be matched to ensure the repeated positioning accuracy of the fixed-point operation of the automatic guided vehicle 30, so as to finally ensure the automatic positioning clamping accuracy and the machining accuracy of the workpiece.

After the deviation correcting device is matched and detected, the system is high in reliability, convenient to debug and maintain and suitable for the fields of machining automation, flexible manufacturing and intelligent manufacturing.

According to the utility model discloses a gantry machine tool flexibility and automated manufacturing system 100 of embodiment can also include control system, and control system need can enough interact with lathe numerical control and logic control system, can also carry out communication, operation etc. with other subsystems (automatic guide transport vechicle, the synchronous climbing mechanism of multiple spot, location locking mechanism, detection and deviation correcting device etc.). Finally, the repeated positioning precision of the fixed-point operation of the automatic guide transport vehicle is ensured, so that the automatic positioning clamping precision and the machining precision of the workpiece are finally ensured.

From this, compare traditional artifical unloading, reading tool setting, adjustment numerical control system etc. and can have great promotion in the efficiency, administrative cost also greatly reduces. In addition, the reduction of human intervention in the machining process is beneficial to better controlling the stability of machining precision and providing the reliability of the whole system. Therefore, in view of the reliability and accuracy requirements of large-piece machining systems: the machine tool needs to meet high reliability and system rigidity, the automatic guide transport vehicle needs to meet high reliability and repeated positioning precision, the multipoint synchronous jacking mechanism needs to meet synchronism, the positioning locking mechanism, the detection and correction device and the like can be matched with the control system to complete closed-loop control of the whole system, complete positioning of workpieces and posture adjustment of the automatic guide transport vehicle, and perform communication, driving and logic actions with other parts; the working auxiliary table is selected from a structure with high rigidity as far as possible along with larger cutting force and vibration in the machining and cutting process

The utility model discloses a flexible and automated manufacturing system 100 of gantry machine tool has not only realized the small batch part processing of many varieties manufacturing of gantry machine tool, has still realized the automation of lathe and has gone up unloading and operate unmanned. The Automatic Guided Vehicle (AGV) is matched with the detection deviation correcting device, so that the repeated positioning precision of fixed-point operation of the Automatic Guided Vehicle (AGV) is ensured, and the automatic positioning clamping precision and the machining precision of workpieces are finally ensured. The system has strong reliability and convenient debugging and maintenance, and is suitable for the fields of processing automation, flexible manufacturing and intelligent manufacturing.

It should be noted that the utility model provides an automatic and flexible manufacturing system 100 of gantry machine tool, which changes the traditional manual form of hoisting material up and down by crown block into the automatic feeding and discharging mode of workbench; the traditional manual cutter replacing mode is changed into an automatic cutter replacing mode of a cutter library; the traditional manual regular chip removal mode is changed into an automatic centralized chip removal mode; the large-load automatic guide transport vehicle is used for automatically guiding the transport vehicle to transport large parts, and a laser navigation positioning mode is selected and combined with an accurate mechanical positioning mode to ensure the accurate positioning of the final clamping position of the parts; a special lifting type operational platform is designed by adopting a special machine tool workbench form; in the aspect of a control system, parts such as a machine tool numerical control system, a machine tool control system, an AGV control system and the like are integrated, and basic conditions of flexible manufacturing are met.

The utility model discloses a flexible and automated manufacturing system 100 of longmen lathe, base 10 mainly bear lathe motion part itself, workstation 40, provide a steady operation's basis for the course of working.

The work sub table 40 may include a positioning portion and a clamping portion. The part mainly realizes the series connection between a machined piece and the AGV as well as the machine tool body, the pre-adjustment of the large-scale machined piece on the working auxiliary table is completed in a non-machining area, and then the large-scale machined piece is delivered to a machining area through the AGV 3; after confirming that the gantry machine tool is short of materials through the dispatching system, the AGV3 moves to the gantry machine tool body 1 from a waiting position, and in the period, the AGV path planning system needs to be matched with a sensor additionally arranged on the machine tool body so as to complete accurate navigation and fine adjustment of the path and smoothly reach a preset position. The clamping part of the auxiliary workbench mainly completes clamping of the workpiece. The positioning part of the auxiliary workbench mainly completes positioning with an external system, and comprises an AGV and a machine tool body, and the positioning is mainly completed by a specific telescopic positioning block.

The multi-point synchronous jacking mechanism 50 is mainly used for completing the lifting/descending of the working auxiliary table 40 by matching with a machine tool, and can realize both the positioning and the output of the lifting force. The automatic loading and unloading and the positioning and clamping of the large-sized workpiece can be realized by the multi-point synchronous jacking mechanism 50, the automatic guide transport vehicle 30 and the positioning and locking mechanism of the auxiliary worktable 40, and the automatic positioning and clamping precision and the machining precision of the workpiece are ensured.

To complete automatic processing, automatic clamping and tool changing of a tool can be realized besides automatic feeding and discharging of a workpiece. The tool distribution process is completed by a special tool distribution automatic guide transport vehicle 30, and the tool distribution automatic guide transport vehicle 30 shuttles between the basic tool magazine and the machine tool, so that the transfer of tools between the machine tool and the basic tool magazine is realized. The cutter distribution automatic guide transport vehicle 30 enters the determined cutter changing position and communicates with a control system of the machine tool, the machine tool control system communicates with a numerical control system after confirmation, a main shaft of the machine tool moves into the specific cutter changing position and moves in the Z-axis direction at the cutter changing position, and a manipulator on the automatic guide transport vehicle 30 is matched with the main shaft to complete cutter changing.

It can be understood that the utility model discloses a based on shorten the assistance-time of major possession processing, fundamentally will solve the flexibility of major possession clamping and go up unloading and the program drive automation scheduling problem and propose, the solution of these problems still helps promoting the popularization and the popularization of new technology such as gantry machine automated processing. Meanwhile, the method is beneficial to reducing artificial measuring errors, clamping errors and operating errors, and is beneficial to improving the processing quality of the workpiece.

Therefore, the flexible and automatic manufacturing system of the gantry machine tool is considered to be developed and comprises an automatic guide transport vehicle, a multi-point synchronous jacking mechanism, a positioning and locking mechanism, a detection and deviation-rectifying device, a control system, a workpiece auxiliary table and the like. The gantry machine tool flexible and automatic manufacturing system has the characteristics of high integration level, can interact with a numerical control and logic control system of the machine tool, and can also communicate, operate and the like with other subsystems (an automatic guide transport vehicle, a multi-point synchronous jacking mechanism, a positioning locking mechanism, a detection and deviation correction device and the like). Finally, the repeated positioning precision of the fixed-point operation of an Automatic Guided Vehicle (AGV) is ensured, so that the automatic positioning clamping precision and the machining precision of the workpiece are finally ensured. Compare traditional artifical unloading, reading tool setting, adjustment numerical control system etc. from this, can have great promotion in the efficiency, administrative cost also greatly reduces. In addition, the reduction of human intervention in the machining process is beneficial to better controlling the stability of machining precision and providing the reliability of the whole system. Therefore, in view of the reliability and accuracy requirements of large-piece machining systems: the machine tool needs to meet high reliability and system rigidity, the automatic guide transport vehicle needs to meet high reliability and repeated positioning precision, the multipoint synchronous jacking mechanism needs to meet synchronism, the positioning locking mechanism, the detection and correction device and the like can be matched with the control system to complete closed-loop control of the whole system, complete positioning of workpieces and posture adjustment of the automatic guide transport vehicle, and perform communication, driving and logic actions with other parts; the machining and cutting process is accompanied by large cutting force and vibration, and the auxiliary worktable 40 is selected to be of a rigid structure as far as possible.

Therefore, it is necessary to provide a gantry machine tool flexible and automatic manufacturing system, which realizes flexibility and automation of large-size machining and ensures a high-precision and high-reliability manufacturing effect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a gantry machine tool flexibility and automated manufacturing system which characterized in that includes: the automatic guide transport vehicle comprises a base, a rack arranged on the base, an automatic guide transport vehicle, a working auxiliary table, a multipoint synchronous jacking mechanism and a driving mechanism, wherein a tool apron assembly with a preset distance from the base is arranged on the rack; the automatic guided transport vehicle can move between a processing position and a loading and unloading position, and when the automatic guided transport vehicle is located at the processing position, the automatic guided transport vehicle is located on the base; the auxiliary working table can be placed on the automatic guide transport vehicle and can move up and down relative to the automatic guide transport vehicle, the width of the auxiliary working table is larger than that of the automatic guide transport vehicle, a first extending part extends out of one side of the automatic guide transport vehicle, and a second extending part extends out of the other side of the automatic guide transport vehicle; the multi-point synchronous jacking mechanism is arranged on the base and comprises a first lifting unit and a second lifting unit, the first lifting unit abuts against the first extending portion, the second lifting unit abuts against the second extending portion, and the driving mechanism is connected with the first lifting unit and the second lifting unit to drive the first lifting unit and the second lifting unit to synchronously move.

2. The gantry machine tool flexibility and automated manufacturing system of claim 1, wherein the first elevator group includes a plurality of spaced first elevators located on a same straight line, the second elevator group includes a plurality of spaced second elevators located on a same straight line, and the first elevator and the second elevator can be synchronously lifted in an up-and-down direction.

3. The gantry machine tool flexibility and automated manufacturing system of claim 2, wherein the first elevator and the second elevator are both screw elevators.

4. The gantry machine tool flexibility and automation manufacturing system of claim 3, wherein the driving mechanism is a motor, and the motor is connected with the first lifter and the second lifter through a speed reducer and a steering gear.

5. The gantry machine tool flexibility and automated manufacturing system of claim 1, wherein a locking mechanism for positioning a workpiece is provided on the work sub-table.

6. The gantry machine tool flexibility and automated manufacturing system of claim 1, wherein said automated guided vehicle has a base tool magazine for storing tools, said automated guided vehicle being movable on said base beneath said tool holder assembly to facilitate tool replacement and transfer.

7. The gantry machine tool flexibility and automatic manufacturing system according to claim 1, wherein the automatic guided vehicle is provided with a limiting device for limiting the working sub-table to be movable in an up-down direction.

8. The gantry machine tool flexibility and automatic manufacturing system of claim 7, wherein the limiting device is a plurality of columns arranged on the upper end surface of the automatic guided transport vehicle, and the working auxiliary table is provided with positioning holes matched with the plurality of columns.

9. The gantry machine tool flexibility and automatic manufacturing system according to claim 7, wherein the limiting device comprises a limiting seat arranged on the automatic guided vehicle, the limiting seat is provided with a guide hole extending in the vertical direction, the limiting seat is provided with a sliding rod which extends into the guide hole and can slide in the vertical direction relative to the limiting seat, and the top end of the sliding rod is fixedly connected with the auxiliary workbench.

10. The gantry machine tool flexibility and automation manufacturing system of claim 9, wherein the inner peripheral wall of the guiding hole is provided with a helical oil groove.

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