CN106552840A - A kind of electro-hydraulic mixing pump control assembly plate bending machine - Google Patents
A kind of electro-hydraulic mixing pump control assembly plate bending machine Download PDFInfo
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- CN106552840A CN106552840A CN201510631320.1A CN201510631320A CN106552840A CN 106552840 A CN106552840 A CN 106552840A CN 201510631320 A CN201510631320 A CN 201510631320A CN 106552840 A CN106552840 A CN 106552840A
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Abstract
The invention discloses a kind of electro-hydraulic mixing pump control assembly plate bending machine, including body, it is arranged on the preventer at body rear, the active station being arranged on by body, also include being arranged on the electric control gear of body side, the lathe bed being arranged in body, the pump control hydraulic system driven by the electric control gear is arranged on above lathe bed, the actuator for being connected and being driven by it with the pump control hydraulic system, the mould being arranged on below actuator, material-supporting device is provided with body in front of the mould, plate to be processed is from the material-supporting device into being processed by the mould, rear material stopping device is provided between the body and preventer, numerical control display device is provided with above the body.Overall structure advantages of simple of the present invention, running judge intelligent, improve production efficiency, precision and the quality of Bending Processing, are that numerical control bender field brings good social benefit.
Description
Technical field
The present invention relates to numerical control bender field, and in particular to a kind of electro-hydraulic mixing pump control assembly plate bending
Machine.
Background technology
Bender is a kind of plate bending equipment, and Forging Process is metal blank is curved (very along straight line
To fold), with obtain with certain angle (or circular arc) processing operation, bender be divided into manual bending machine,
The higher CNC hydraulic press brake of hydraulic bending press, numerical control bender and working (machining) efficiency, numerical control hydraulic folding
Bender namely the equipment of Bending Processing is carried out in combination with electrical system and hydraulic system, at present existing electricity
The control principle of liquid numerical control bender is all closely similar, mainly by proportional servo valve control cylinder synchronization,
Valve control synchronization system can be referred to as.Its application percentage servo throttle grverning principle, energy loss are big, very big by one
Part is wasted in overflow heating, reduces the service life of hydraulic part.
Further see, existing whole bending equipment adopts steel plate integral solder " c-type " structure, and bender one
As overall dimensions can more than 5 meters length, this structure artificial weld strength is big, welding cost is high, efficiency is low,
And longer machine tool is not readily transportable, residual stress concentrations are also easy to produce at local welding, when causing stress
Can produce larger deflection deformation, can also be limited by aditus laryngis depth and bending Lift during the higher workpiece of bending
System, and then the overall performance and precision of lathe will be have impact on, this is one of deficiency existing for prior art；
The retainer platform existing structure for treating bending workpieces is the retainer platform that fixed structure is set in front of body, treats bending
Workpiece is fed from the retainer platform, but after the completion of workpiece bending, during pickup then can by human body and workpiece it
Between fixed de- material platform and cause pickup inconvenience, this is that another place existing for prior art is not enough；It is to be processed
Positional precision of the workpiece in processing is transmitted the impact of undulatory property by the depth of parallelism of processing unit (plant) shifting axle,
And it is very unstable, meanwhile, human users' numerical control display device is all one end of fixing equipment, and for this
The longer equipment of length, personnel are then inconvenient to carry out display monitoring operation when the equipment other end, various
Weak point, have impact on the production and processing efficiency of whole bender.
The content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of electro-hydraulic mixing pump control assembly plate
Bender, realizes accurate Bending Processing to plate to be processed using electro-hydraulic synchronization.
The present invention for the adopted technical scheme that solves the above problems is：A kind of electro-hydraulic mixing pump control assembling is provided
Body plate bending machine, including body, are arranged on the preventer at body rear, the operation being arranged on by body
Stand, also including the electric control gear, the lathe bed being arranged in body for being arranged on body side, be arranged on lathe bed
The pump control hydraulic system that side is driven by the electric control gear, is connected and is driven by it with the pump control hydraulic system
Actuator, the mould being arranged on below actuator, be provided with body in front of the mould retainer dress
Put, plate to be processed from the material-supporting device into being processed by the mould, the body and preventer
Between be provided with rear material stopping device, numerical control display device is provided with above the body.
The body side is provided with an electric control gear, the both sides above body lathe bed corresponding with its position
A pump control hydraulic system is respectively provided with, the electric control gear drives the pump control hydraulic system of both sides, by the pump
Control hydraulic system drives connected actuator, and mould is under the drive of actuator to from material-supporting device
The plate of feeding carries out Bending Processing, and in the course of processing, rear material stopping device can be carried out to feeding plate position
It is accurately positioned adjustment, and numerical control order when operator can be easy to be processed of movable numerically-controlled display device
Monitoring and operation are performed.
Further, the mould includes mould cutter and lower mould locating piece, i.e. mould includes upper die and lower die,
Upper mould installs the cutter needed for bending, and lower mould is to coordinate the locating piece of bending shape, plate to be processed with the cutter
Material realizes Bending Processing in the presence of the upper and lower mould.
Further, flexibility compensating device, the flexibility compensating device are additionally provided with below the lower mould locating piece
The amount of deflection of workpiece during Bending Processing can be compensated, improve machining accuracy.
Further, the actuator includes oil cylinder, and the slide block connected by the hydraulic oil cylinder driving is arranged on institute
State slide block both sides carries out the roller of guiding constraint to the slide block, and the oil cylinder is under the driving of pump control hydraulic system
The up and down motion of slide block is driven, and roller is arranged on the both sides of slide block and positioning and guiding is carried out to which, as needed,
The roller could be arranged to two in the side of slide block, and other side could be arranged to one, roller and slide block
Between using point contact by the way of, reduce frictional resistance when slide block is freely up and down moved.
Further, described to perform structure also including the daylight lamp for being arranged on slide block side, the daylight lamp is folding
It is curved that offer facility of working at night is provided.
Further, column type guide rail is provided with front of the mould on body, the material drag device is along the circle
Column type guide rail is moved, and material-supporting device quantity can be rationally arranged according to process requirements and cabinet size length,
The material-supporting device can be moved freely on body along cylindrical slideway, if workpiece to be processed length differs
When, it is only necessary to the position of mobile difference material-supporting device, you can realize the plate to be processed of different size length
Support.
Further, the material-supporting device is contraction type, and which includes retainer plate, is rotatably connected with the retainer plate
Seat board, the gentle spring of the linkage being arranged between the retainer plate and seat board.Stretch/compress by gas spring
Effect drives the work of bar linkage structure, and when can cause Bending Processing, it is several that retainer plate flattening constitutes angle with seat board
90 ° of structure, the retainer plate of flattening can be used for the support to plate to be processed, if Bending Processing is finished
Afterwards, gas spring acting, linkage are shunk, and drive the folding of retainer plate so that between retainer plate and seat board
Saving that is almost parallel, realizing spatially with this, after facilitating staff to carry out bending, workpiece moves away from operation.
In order to avoid operator being crushed when folding, bring potential safety hazard, can be empty between retainer plate and seat board
Between install protection organ cover.
Further, the bar linkage structure includes the frame being connected with seat board, the song being connected with frame two ends respectively
Handle and rocking bar, the connecting rod being connected between the crank and rocking bar.
Further, the rear material stopping device includes flexible six axles back material stopping, and the flexible six axles back material stopping includes
The horizontal X axle horizontal Z axis vertical with horizontal X axle, both perpendicular to X-axis and the vertical R axles of Z axis, the water
Flat X-direction arranges the contrary X1 and X2 axles of the direction of motion, and it is contrary that the horizontal Z-direction arranges the direction of motion
Z1 and Z2 axles, the vertical R direction of principal axis arranges the contrary R1 and R2 axles of the direction of motion, by X1, X2, Z1,
Six axle construction that Z2, R1, R2 are constituted, can be strong according to process requirements independent assortment, interchangeability, positioning accurate
Du Genggao.
Further, linear guides are provided with above the body, the numerical control display device is linearly led along this
Rail is moved, and constitutes movable numerically-controlled display device, and as bender body length is longer, operator can come
Return in the two ends of bender, movable numerically-controlled display device is then processed to monitoring device and operated for operator
Offer convenience.
What technical solutions according to the invention were brought has the beneficial effect that：Electro-hydraulic mixing pump control assembling of the present invention
Body plate bending machine, carries out Bending Processing to numerical control bender by adopting electrically to be combined with hydraulic pressure so that liquid
Pressure system no longer produces spill losses, reduces The hydraulic oil demand, specifically controls pump control hydraulic by electric control gear
System so as to drive the up and down motion of slide block, the up and down motion of slide block to drive the motion between upper mould and lower mould,
So as to realize being arranged on the bending operation of plate to be processed between upper and lower mould, can be real by flexibility compensating device
The raising of existing bending precision；Heretofore described material-supporting device is movable type, and which is in gas spring and linkage
In the presence of can realize flattening with fold, so as to realize the expansion of retainer plate during Bending Processing, during non-bending
The folding of retainer plate, saves working place with this；Particularly, using flexible six axles back material stopping, according to processing
Six axles can be carried out flexible combination, and the interchangeability of single axle is stronger by demand.Overall structure of the present invention
Advantages of simple, running judge intelligent, improve the production efficiency and quality of Bending Processing, are numerical control bending
Machine field brings good social benefit.
Description of the drawings
Fig. 1 is electro-hydraulic mixing pump control assembly plate bending machine main structure diagram of the invention；
Fig. 2 be Fig. 1 in along cross section structure diagram shown in line A-A；
Fig. 3 is pump control hydraulic system structure schematic layout pattern in electro-hydraulic mixing pump control assembly plate bending machine of the invention；
Fig. 4 is the structural representation of body torsion beam in electro-hydraulic mixing pump control assembly plate bending machine of the invention；
Fig. 5 is when the work of contraction type material-supporting device launches in electro-hydraulic mixing pump control assembly plate bending machine of the invention
Structural representation；
Fold when Fig. 6 does not work for contraction type material-supporting device in electro-hydraulic mixing pump control assembly plate bending machine of the invention
Structural representation；
Fig. 7 is schematic diagram in front of electro-hydraulic mixing pump control assembly plate bending machine stereochemical structure of the invention；
Fig. 8 is electro-hydraulic mixing pump control assembly plate bending machine stereochemical structure rear schematic diagram of the invention；
Fig. 9 is electro-hydraulic mixing pump control assembly plate bending machine electrical schematic diagram of the invention；
Figure 10 is the hydraulic schematic diagram of electro-hydraulic mixing pump control assembly plate bending machine pump control hydraulic system of the invention；
Specific embodiment
Below in conjunction with concrete accompanying drawing, the present invention is further illustrated.
As depicted in figs. 1 and 2, there is provided a kind of electro-hydraulic mixing pump control assembly plate bending machine, which includes machine
Body 1, the rear side of body 1 are provided with protective cover 11, are provided with active station 12, in machine by the side of body 1
The right side of body 1 arranges an electric cabinet 2, and left side is workbox, and electrical system is then arranged in the electric cabinet 2,
Lathe bed 3 is provided with body 1, the left and right sides is respectively arranged with a pump control liquid in 3 top body 1 of lathe bed
Pressure system and device 4, both sides pump control hydraulics system and device 4 connect 5 (not shown) of actuator respectively,
The lower section of actuator 5 is provided with 6 (not shown) of Bending Mould, and mould 6 includes mould 61 and lower mould 62,
Cutter needed for bending i.e. be arranged on upper mould 61 on, lower mould 62 using locating piece form for upper mould 61 on
Bending cutter coordinates carries out Bending Processing to plate to be processed, below lower mould 62 is provided with flexibility compensating device
9, with 6 height corresponding position lathe bed of mould in front of be provided with two material-supporting devices 7, material-supporting device 7 leads to
Cross column type track removable along 1 length direction of body；In body between mould 6 and protective cover 11
Flexible six axles back material stopping 8 is set, and the top of body 1 is provided with linear guides, is connected with the linear guides
It is provided with numerical control display device 10.Wherein actuator 5 includes oil cylinder 51, the oil cylinder 51 using hot rolling without
Stress relief annealing technique after the seam quenched welding of steel pipe and make, the slide block 52 being connected with oil cylinder 51, slide block 52
Side arranges a roller 53, and opposite side is provided with two rollers 53, the lower end of slide block 52 directly with upper mould
61 connections, the body 1 by mould 6 are provided with daylight lamp 54, body is provided between 1 left and right sides
Torsion beam 101, the torsion beam 101 are connected with body 1 using spiral, it is to avoid the impact that welding is caused；It is flexible
Six axle back material stoppings 8 include the horizontal X axle horizontal Z axis vertical with horizontal X axle, both perpendicular to X-axis and Z
The vertical R axles of axle, horizontal X direction of principal axis arrange the contrary X1 and X2 axles of the direction of motion, horizontal Z-direction
The contrary Z1 and Z2 axles of the direction of motion are set, and vertical R direction of principal axis arranges the direction of motion contrary R1 and R2
Axle.
As shown in Figure 3 and Figure 4, the electro-hydraulic mixing pump control assembly plate bending machine of the present embodiment is using double automatically controlled
Hydraulic-driven, two pump control hydraulic system and devices 4 are separately positioned on the left and right sides in body 1, with both sides
The oil cylinder 51 of setting connects, by the work of hydraulic driving oil cylinder 51.
As shown in Figure 5 and Figure 6, be material-supporting device 7 in the present embodiment bender concrete structure schematic diagram,
As shown in fig. 6, material-supporting device 7 includes retainer plate 71, the seat board 72 being rotatably connected with the retainer plate 71,
The 74 gentle spring 73 of linkage being arranged between retainer plate 71 and seat board 72, linkage 74 are four
Linkage, including frame 741, the crank 742 being connected with 741 two ends of frame respectively and rocking bar 744, with
The connecting rod 743 connected between crank 742 and rocking bar 744, when Bending Processing, gas spring 73 does work,
Connecting rod mechanism movement causes material drag plate 71 to flatten simultaneously, constitutes almost 90 ° of angles with seat board 72, to hold in the palm
Flitch 71 gives plate to be processed and supports, and when without Bending Processing, then gas spring 73 does work, such as Fig. 6
Shown, 71 folding shrinking of retainer plate, save space are crushed when in order to avoid 71 folding shrinking of retainer plate
Operator, bring potential safety hazard, and protection organ cover can be installed between retainer plate and seat board.
As shown in Figure 7 and Figure 8, be the electro-hydraulic mixing pump control assembly plate bending machine of this enforcement stereochemical structure
Schematic diagram.
As shown in figure 9, be the electro-hydraulic mixing pump control assembly plate bending machine electrical schematic diagram of this enforcement, this reality
The pump control hydraulic system for applying example includes bidirectional ram pump, and electrical system, including two-way column are arranged in electric cabinet 2
The servo-driver of plug pump, AC servo motor, and drive flexible six axles X1, X2, Z1, Z2, R1,
The driver of R2, the alternating current generator of flexibility compensating device work, the electrical principle work are as described below：Numerical control
System sends the servo-driver of the analog quantity to bidirectional ram pump in pump control hydraulic system of 0-± 10V, exchange
Servomotor operating drives bidirectional ram pump work so that the piston rod of oil cylinder 51 stretches out, and piston rod drives to be slided
Block 52 is moved downward, and carries out the feedback of position by grating scale, and digital control system can adjust the mould for sending in real time
The size of analog quantity, it is ensured that the synchronization that slide block 52 is moved downward, so that lathe work is faster more stable, control
Bending precision it is also higher.Meanwhile, digital control system sends the pressure mould analog quantity of 0-10V to servo-driver,
To control the moment of torsion of AC servo motor, the automatic restriction of lathe bending power is realized.
As shown in Figure 10, it is the electro-hydraulic mixing pump control assembly plate bending machine pump control hydraulic system of the present embodiment
Hydraulic schematic diagram, which includes the oil cylinder 51 of both sides, and carries out hydraulic control to two side cylinder 51
Oil circuit figure, the hydraulic system is mainly by the control of hydraulic valve so that the piston rod in oil cylinder is processed fortune
It is dynamic, so as to the working motion of control slide block, the working motion include it is fast under, work enter and three kinds of actions of return,
During when under fast, hydraulic system drives oil cylinder, piston rod stretches out, and piston rod drives moving downward for slide block；Treat
Slide block in place after, unlatching Bending Processing is carried out to plate to be processed, as work is entered the stage, and Bending Processing is completed
Afterwards, servomotor reversion, hydraulic valve commutation in control hydraulic system, in oil cylinder, piston rod shrinks, and drives and slides
The motion of return upwards of block.
Electro-hydraulic mixing pump control assembly plate bending machine of the present invention is worked in such a way, body
Work of the electric cabinet 2 on right side by the pump control hydraulic system 4 of numerical control servo control system driving both sides, two
Side pump control hydraulic system 4 order about under the driving of hydraulic system slide block 52 under the guiding of two side wheels 53 to
Lower motion, plate to be processed coordinate right with lower mould locating piece 62 from 71 upper feeding of retainer plate, upper mould cutter 61
Plate to be processed carries out bending operation, and in Forging Process, flexibility compensating device 9 can be used to scratch bending workpieces
The compensation of degree, improve Bending Processing precision, flexible six axles back material stopping can from X1, X2, Z1, Z2, R1,
R2 direction of principal axis carries out independent assortment, realizes positioning and the processing in workpiece space orientation, after the completion for the treatment of Bending Processing,
The electric cabinet 2 of both sides drives 4 reverse operation of pump control hydraulic system of both sides by numerical control servo control system,
So that pump control hydraulic system 4 drives the return upwards of slide block 52, treat that mould cutter 61 is returned upwards with slide block 52
After journey is separated with lower mould locating piece 62, the gas spring 73 in material-supporting device 7 does work, drive linkage arrangement
74 motions, in linkage 74, rocking bar 744 is moved to and the almost parallel place of seat board 72, drives retainer plate 71
Folding, the bending workpieces after making can be taken away by operator, and bending process is completed, in bending plus
During work, according to different plate length to be processed, the adjustment to distance between two material drag devices 7 is carried out,
One of material-supporting device 7 need to be moved only to move along connected column type guide rail, meanwhile, root
According to needs, numerical control display device 10 can be moved freely along linear guides, so as to operator's moment
The situation of whole equipment is controlled and operated, particularly, in the case that light is weaker, daylight lamp 54 can be opened and used
In floor light.
The electrical principle control of the present embodiment as shown in figure 9, digital control system send the analog quantity of 0-± 10V to
The servo-driver of bidirectional ram pump in pump control hydraulic system 4, AC servo motor operating drive bidirectional ram
Pump work so that the piston rod of oil cylinder 51 stretches out, piston rod drive slide block 52 to move downward, by grating
Chi carries out the feedback of position, and digital control system can adjust the size of the analog quantity for sending in real time, it is ensured that slide block 52
The synchronization for moving downward, so that lathe work is faster more stable, the bending precision of control is also higher.Meanwhile,
Digital control system sends the pressure mould analog quantity of 0-10V to servo-driver, to control the moment of torsion of AC servo motor,
To realize the automatic restriction of lathe bending power.
The hydraulic principle that the pump control hydraulic system 4 of the present embodiment is carried out is as shown in Figure 10, main by sliding
Dynamic 52 drive upper mould cutter 61 it is fast under, work enters and return action.
The whole machine-operated key position connection of this enforcement electro-hydraulic mixing pump control assembly plate bending machine adopts keyed
Inlay cooperation to be fastened by bolt so that the flat horizontal stroke of structure entirety stress, reduce the limitation that welding procedure is brought,
Meanwhile, whole equipment using by pump control hydraulic systematic substitution routine valve control system, by servomotor rotating control
Liquid stream commutation processed, reduces the drag losses and pressure leakage loss of reversal valve, while volume of fuel tank reduces 46%,
Energy-saving effect is notable.
Above content is with reference to specific preferred implementation further description made for the present invention, no
What energy identification was of the invention is embodied as being confined to these explanations, for the technology of the technical field of the invention
For personnel, without departing from the inventive concept of the premise, some simple deduction or replace can also be made,
Protection scope of the present invention should be all considered as belonging to.
Claims (10)
1. a kind of electro-hydraulic mixing pump control assembly plate bending machine, including body, is arranged on the anti-of body rear
Protection unit, the active station being arranged on by body, it is characterised in that：Also include being arranged on the automatically controlled of body side
Device, the lathe bed being arranged in body, the pump control hydraulic driven by the electric control gear is arranged on above lathe bed
System, the actuator for being connected and being driven by it with the pump control hydraulic system, is arranged under the actuator
The mould of side, is provided with material-supporting device on body in front of the mould, plate to be processed enters from the material-supporting device
Enter and be processed by the mould, between the body and preventer, be provided with rear material stopping device, the machine
Numerical control display device is provided with above body.
2. electro-hydraulic mixing pump control assembly plate bending machine according to claim 1, it is characterised in that：Institute
Stating mould includes mould cutter and lower mould locating piece.
3. electro-hydraulic mixing pump control assembly plate bending machine according to claim 2, it is characterised in that：Institute
State flexibility compensating device is additionally provided with below lower mould locating piece.
4. electro-hydraulic mixing pump control assembly plate bending machine according to claim 1, it is characterised in that：Institute
Stating actuator includes oil cylinder, the slide block connected by the hydraulic oil cylinder driving, is arranged on the slide block both sides to this
Slide block carries out the roller of guiding constraint.
5. electro-hydraulic mixing pump control assembly plate bending machine according to claim 4, it is characterised in that：Institute
State structure is performed also including the daylight lamp for being arranged on slide block side.
6. electro-hydraulic mixing pump control assembly plate bending machine according to claim 1, it is characterised in that：Institute
State, the material drag device is moved along the column type guide rail.
7. the electro-hydraulic mixing pump control assembly plate bending machine according to claim 1 or 6, it is characterised in that：
The material-supporting device is contraction type, and which includes retainer plate, the seat board being rotatably connected with the retainer plate, is arranged on
The gentle spring of linkage between the retainer plate and seat board.
8. electro-hydraulic mixing pump control assembly plate bending machine according to claim 7, it is characterised in that：Institute
The frame that bar linkage structure includes being connected with seat board, the crank being connected with frame two ends respectively and rocking bar are stated, with institute
State the connecting rod connected between crank and rocking bar.
9. electro-hydraulic mixing pump control assembly plate bending machine according to claim 1, it is characterised in that：Institute
Stating rear material stopping device includes flexible six axles back material stopping, and the flexible six axles back material stopping includes horizontal X axle and level
The vertical horizontal Z axis of X-axis, both perpendicular to X-axis and the vertical R axles of Z axis, the horizontal X direction of principal axis arranges fortune
Dynamic X1 and X2 axles in opposite direction, the horizontal Z-direction arrange the contrary Z1 and Z2 axles of the direction of motion, described
Vertical R direction of principal axis arranges the contrary R1 and R2 axles of the direction of motion.
10. electro-hydraulic mixing pump control assembly plate bending machine according to claim 1, it is characterised in that：
Linear guides are provided with above the body, the numerical control display device is moved along the linear guides, is constituted
Movable numerically-controlled display device.
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| CN201510631320.1A CN106552840A (en) | 2015-09-29 | 2015-09-29 | A kind of electro-hydraulic mixing pump control assembly plate bending machine |
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| CN201510631320.1A CN106552840A (en) | 2015-09-29 | 2015-09-29 | A kind of electro-hydraulic mixing pump control assembly plate bending machine |
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| CN107159747A (en) * | 2017-07-17 | 2017-09-15 | 安徽省航天机床制造股份有限公司 | A kind of multi-axis numerical control bender |
| CN107175270A (en) * | 2017-06-28 | 2017-09-19 | 嘉兴顾翔制冷设备有限公司 | One kind rushes circular arc molding equipment |
| CN113415026A (en) * | 2021-06-23 | 2021-09-21 | 南京恒久机器制造有限公司 | Remote monitoring type intelligent control system and method for oil-electricity hybrid electro-hydraulic servo bending machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107175270A (en) * | 2017-06-28 | 2017-09-19 | 嘉兴顾翔制冷设备有限公司 | One kind rushes circular arc molding equipment |
| CN107159747A (en) * | 2017-07-17 | 2017-09-15 | 安徽省航天机床制造股份有限公司 | A kind of multi-axis numerical control bender |
| CN107159747B (en) * | 2017-07-17 | 2018-11-27 | 安徽省航天机床制造股份有限公司 | A kind of multi-axis numerical control bending machine |
| CN113415026A (en) * | 2021-06-23 | 2021-09-21 | 南京恒久机器制造有限公司 | Remote monitoring type intelligent control system and method for oil-electricity hybrid electro-hydraulic servo bending machine |
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