CN114309149A - Real-time angle sensing device and angle sensing method for manufacturing steel transmission tower plate - Google Patents
Real-time angle sensing device and angle sensing method for manufacturing steel transmission tower plate Download PDFInfo
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- CN114309149A CN114309149A CN202210004066.2A CN202210004066A CN114309149A CN 114309149 A CN114309149 A CN 114309149A CN 202210004066 A CN202210004066 A CN 202210004066A CN 114309149 A CN114309149 A CN 114309149A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 110
- 239000010959 steel Substances 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 title claims abstract description 10
- 238000005452 bending Methods 0.000 claims abstract description 103
- 238000006073 displacement reaction Methods 0.000 claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000006698 induction Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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Abstract
The invention discloses a real-time sensing device and an angle sensing method for a steel plate bending angle of a power transmission tower, belonging to the technical field of plate forming processing, wherein the sensing device comprises a hydraulic bending machine, a plurality of laser ranging sensors and a controller, wherein the hydraulic bending machine is arranged on a workbench and is used for bending and forming a steel plate, the plurality of laser ranging sensors are arranged on two sides of the upper part of a frame of the hydraulic bending machine, and the controller is communicated with the laser ranging sensors; the laser ranging sensor measures the displacement of the upper die of the steel plate in the bending process, and the controller receives and processes the displacement of the upper die and displays the angle change of the steel plate in the bending process in real time; the induction method comprises the steps of establishing a numerical table and a rebound database corresponding to the manufacturing angle and the descending displacement, and converting the displacement into a forming angle for real-time display through calling data. The invention has simple structure and high precision, and is convenient for monitoring the forming angle in real time in the steel bending processing process.
Description
Technical Field
The invention relates to the technical field of plate forming processing, in particular to a real-time angle sensing device and an angle sensing method for a plate manufacturing angle of a power transmission tower.
Background
The steel tower plate bending machine adopts a hydraulic bending machine to bend and shape steel plates, the bending machine is arranged on a workbench, an upper die (a bending knife) of the bending machine is hinged to a hydraulic cylinder, the upper die is pushed by the hydraulic cylinder to move downwards, the bending machine is matched with a fixed lower die to extrude plates, and the bending process is realized.
At present, the clamping plate is adopted for measuring and controlling the angle in the machining process, and cannot be pressed in place at one time, so that the process of pressing, measuring, re-pressing and measuring … … is formed, the error is large, and the efficiency is low.
At present, aiming at the problems in the production process, a visual stereo sensing measurement method is adopted, but the system is complex, is greatly influenced by light and working environment, and has the problems of difficult field calibration and the like.
(1) Aiming at measuring and controlling the angle of the machining process by the clamping plate adopted in the current production, the invention can display the forming angle in the bending process in real time and can improve the accuracy and efficiency of the bending process.
(2) The patent (CN103381436A) adopts a visual sensing method to sense the angle in the machining process, and different from the measurement principle of the invention, the patent overcomes the problems of complex measurement system and difficult field calibration.
(3) The patent (CN112536344A) installs a position ruler on the base for measuring the real-time distance between the lower end of the bend and the base, does not consider the influence of the accumulated deformation of the machine tool frame during operation, and installs a laser sensor on the base for measuring the distance between the edge of the plate and the base, and measures the bend angle, and the system is complex.
Disclosure of Invention
The invention aims to provide a real-time angle sensing device and an angle sensing method for a plate manufacturing angle of a power transmission iron tower, and realize real-time automatic angle sensing in the plate processing process.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a real-time induction device for a bending angle of a power transmission iron tower plate comprises a hydraulic bending machine, a plurality of laser ranging sensors and a controller, wherein the hydraulic bending machine is arranged on a workbench and is used for bending and forming a steel plate, the laser ranging sensors are arranged on two sides of the upper part of a frame of the hydraulic bending machine, and the controller is in communication with the laser ranging sensors; the hydraulic bending machine comprises a hydraulic cylinder arranged at the lower end of the upper part of the frame, an upper die hinged to the lower part of the hydraulic cylinder and a lower die fixed at the upper end of the bottom of the frame; the hydraulic cylinder pushes the upper die to move downwards to be matched with the fixed lower die to extrude a steel plate placed at the upper end of the lower die, so that bending processing of the steel plate is realized; the laser ranging sensor measures the displacement of the upper die of the steel plate in the bending processing process and sends the displacement to the controller; and the controller receives and processes the displacement of the upper die and displays the angle change of the steel plate in the bending process in real time.
The technical scheme of the invention is further improved as follows: the communication mode of the laser ranging sensor and the controller is RS485 communication.
The technical scheme of the invention is further improved as follows: the laser ranging sensors are arranged in two.
An angle sensing method of a real-time angle sensing device for a power transmission tower plate manufacturing angle comprises the following steps:
s1, inputting parameters of the steel plate and parameters of the bending machine die into the controller;
s2, placing the steel plate on the lower die, starting a hydraulic cylinder to push the upper die to move downwards, and starting a bending processing process of the steel plate;
s3, in the bending process, the laser ranging sensor measures the real-time distance H of the upper die and transmits the distance H to the controller;
and S4, converting the real-time distance H into a forming angle alpha 'by the controller and displaying the forming angle alpha' in real time.
The technical scheme of the invention is further improved as follows: at S1, the parameters of the steel plate include the type of the steel plate and the thickness of the steel plate.
The technical scheme of the invention is further improved as follows: and S1, the parameters of the bending machine mould comprise an upper mould model, a pressure head fillet radius of the upper mould, a lower model number, a support fillet radius of the lower mould and a lower mould support distance.
The technical scheme of the invention is further improved as follows: s4 specifically includes the following steps:
s4.1, the controller converts the real-time distance H into a braking angle alpha by calling a numerical table corresponding to the braking angle alpha and the descending displacement Y;
the relationship between the real-time distance H and the descending displacement Y of the steel plate bending part is as follows:
H＝H0+Y (1)
in the formula, H0The distance from the laser ranging sensor to the upper die is measured when the upper die is just contacted with the steel plate and the manufacturing bending angle alpha is 0;
s4.2, the controller corrects the bending angle alpha into a forming angle alpha 'by calling the rebound database and displays the forming angle alpha' in real time;
forming a forming angle alpha' after springback:
α’＝α’-γ (2)
wherein gamma is a rebound angle and is obtained by calling a rebound database.
The technical scheme of the invention is further improved as follows: and the real-time distance H is the average value of the measured data of the plurality of laser ranging sensors.
The technical scheme of the invention is further improved as follows: the establishment process of the numerical table corresponding to the braking angle alpha and the descending displacement Y comprises the following steps:
a1, inputting the parameters of the steel plate and the mould parameters of the bending machine in a numerical table corresponding to the bending angle alpha and the descending displacement Y;
a2, dispersing the bending angle alpha at 15-180 degrees according to the step length of 1 degree at intervals, and solving the corresponding pressing quantity Y:
in the formulas (3) and (4), Y is the descending displacement of a steel plate bending part, alpha is the bending angle, and beta is the included angle between the steel plate and the horizontal plane;
a3, storing the discrete manufacturing angle alpha and the corresponding descending displacement Y to form a corresponding numerical table of the manufacturing angle alpha and the descending displacement Y under the same steel plate parameter;
a4, changing the steel plate parameters, repeating the steps A1-A3, and making a numerical table comprising the correspondence between the bending angle alpha and the descending displacement Y of the steel plate with various parameters.
The technical scheme of the invention is further improved as follows: the rebound database establishing process comprises the following steps:
b1, inputting the parameters of the steel plate and the parameters of the bending machine die into a springback database;
b2, mounting the steel plate and the lower die on a real-time bending angle sensing device, starting a hydraulic cylinder to drive the upper die to move downwards, and starting a bending processing process of the steel plate;
b3, in the bending process, measuring the real-time distance H from the upper die by the laser ranging sensor, and transmitting the real-time distance H to the controller;
b4, converting the real-time distance H into a braking angle alpha by calling a numerical table corresponding to the braking angle alpha and the descending displacement Y by the controller;
b5, unloading the steel plate and the upper die, and measuring a forming angle alpha';
b6, calculating a rebound angle gamma to form the rebound angle gamma under the condition of inputting steel plate parameters in a rebound database;
b7, changing the parameters of the steel plate, repeating the steps B1-B6, and manufacturing a springback database of the steel plate with various parameters.
Due to the adoption of the technical scheme, the invention has the technical progress that:
1. the angle sensing device carries out angle sensing by directly measuring the displacement of the upper die, has simple structure and high precision, and is convenient for monitoring the forming angle in real time in the steel bending processing process.
2. The invention simplifies the steps of the angle sensing method by establishing the numerical table corresponding to the angle alpha and the descending displacement Y.
3. According to the invention, the springback phenomenon of the bending angle is solved by establishing the springback database, so that the real-time display of the forming angle is more accurate.
4. According to the invention, two laser ranging sensors are arranged, and the average value of the two laser ranging sensors is taken as a measured value, so that the measuring precision is improved, and meanwhile, the pressing amount error caused by the hinging between the hydraulic cylinder and the upper die is prevented.
Drawings
FIG. 1 is a left side view of a system angle real-time sensing device of the present invention;
FIG. 2 is a flow chart of an angle sensing method of the present invention;
FIG. 3 is a front view of the present invention apparatus for real-time sensing of brake angle;
FIG. 4 is a schematic diagram of angle solution in the present invention;
FIG. 5 is a flow chart of the process for establishing a numerical table corresponding to the braking angle α and the descending displacement Y according to the present invention;
FIG. 6 is a flow chart of a rebound database creation process in the present invention;
the device comprises a laser ranging sensor 1, a laser ranging sensor 2, a hydraulic cylinder 3, an upper die 4, a steel plate 5, a lower die 6 and a rack.
Detailed Description
The invention is described in further detail below with reference to the following figures and examples:
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" … …, and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, "a number" means at least one, e.g., one, two, etc., unless specifically limited otherwise.
As shown in fig. 1, the real-time induction device for the manufacturing angle of the power transmission tower plate comprises a hydraulic bending machine for bending and forming a steel plate 4, wherein the hydraulic bending machine comprises a frame 6, a hydraulic cylinder 2 arranged at the upper part of the frame 6, an upper die 3 hinged with the hydraulic cylinder 2 and a lower die 5 fixed at the lower part of the frame 6; the real-time angle sensing device also comprises two laser ranging sensors 1 fixedly arranged on two sides of the upper part of the frame 6 and a controller which is communicated with the laser ranging sensors 1 through RS 485;
the laser ranging sensor 1 measures the displacement of the upper die 3 of the steel plate 4 in the bending process, and the controller receives and processes the displacement of the upper die 3 and displays the angle change of the steel plate 4 in the bending process in real time.
As shown in fig. 2, an angle sensing method of a real-time angle sensing device for a steel transmission tower plate manufacturing angle specifically comprises the following steps:
s1, inputting the parameters of the steel plate 4 and the parameters of the bending machine die into the controller;
the parameters of the steel plate 4 comprise the type of the steel plate 4 and the thickness of the steel plate 4, and the parameters of the bending machine die comprise the model of the upper die 3, the fillet radius of a pressure head of the upper die 3, the model of the lower die 5, the fillet radius of a supporting part of the lower die 5 and the supporting distance of the lower die 5.
S2, placing the steel plate 4 on the lower die 5, starting the hydraulic cylinder 2 to push the upper die 3 to move downwards, and starting the bending processing process of the steel plate 4;
the steel plate 4 is pressed by the upper die 3, and the steel plate 4 is plastically deformed at the bend portion.
S3, in the bending process, the laser ranging sensor 1 measures the real-time distance H from the upper die 3 and transmits the distance H to the controller;
and S4, converting the real-time distance H into a forming angle alpha 'by the controller and displaying the forming angle alpha' in real time.
As shown in fig. 3 and 4, the real-time distance from the laser ranging sensor 1 to the upper die 3 is H, the thickness of the steel plate 4 is T, the fillet radius of the pressure head of the upper die 3 is Rs, the fillet radius of the support part of the lower die 5 is Rx, and the support distance of the lower die 5 is W; in the bending process of the steel plate 4, the descending displacement of the bending position of the steel plate 4 is Y, the bending angle is alpha, and the included angle between the steel plate 4 and the horizontal plane is beta.
S4.1, the controller converts the real-time distance H into a braking angle alpha by calling a numerical table corresponding to the braking angle alpha and the descending displacement Y;
the real-time distance H is the average value of the measured data of the two laser ranging sensors 1, and the relation with the descending displacement Y of the bend of the steel plate 4 is as follows:
H＝H0+Y (1)
in the formula, H0The distance from the laser ranging sensor 1 to the upper die 3 is measured when the upper die 3 is just in contact with the steel plate 4 and when the manufacturing angle alpha is 0;
and acquiring the numerical value of the braking angle alpha by calling a numerical value table corresponding to the braking angle alpha and the descending displacement Y.
And S4.2, the controller corrects the bending angle alpha into a forming angle alpha 'by calling the rebound database and displays the forming angle alpha' in real time.
In the bending process of the steel plate 4, when the upper die 3 unloads the load, the bending angle alpha has a rebound phenomenon, and a forming angle alpha' is formed after the rebound:
α’＝α’-γ (2)
in the formula, gamma is a rebound angle and is obtained by calling a rebound database;
and displaying the forming angle alpha' on a display screen of the controller in real time.
The solution for the bend angle α is as follows:
in the formulas (3) and (4), Y is the descending displacement of the bend of the steel plate 4, alpha is the bend angle, and beta is the included angle between the steel plate 4 and the horizontal plane.
As can be seen from the equations (3) and (4), under the condition that the upper die 3 and the lower die 5 are installed to be fixed, the bending angle α and the distance H form a single function, and the induction of the bending angle α can be realized by measuring H, but the bending angle α and the real-time distance H are nonlinear formulas containing trigonometric functions, so that a numerical table corresponding to the bending angle α and the descending displacement Y is established for facilitating the solution of the bending angle α in the bending processing process.
As shown in fig. 5, the process of establishing the numerical table of the braking angle α and the descending displacement Y includes the following steps:
a1, inputting the parameters of the steel plate 4 and the parameters of the bending machine die in a numerical table corresponding to the bending angle alpha and the descending displacement Y;
the parameters of the steel plate 4 comprise the type of the steel plate 4 and the thickness of the steel plate 4, and the parameters of the bending machine die comprise the model of the upper die 3, the fillet radius of a pressure head of the upper die 3, the model of the lower die 5, the fillet radius of a supporting part of the lower die 5 and the supporting distance of the lower die 5.
A2, dispersing the bending angle alpha at 15-180 degrees according to step length at intervals of 1 degree, and solving a corresponding pressing amount Y;
the solving process applies equations (3), (4).
A3, storing the discrete manufacturing angle alpha and the corresponding descending displacement Y to form a corresponding numerical table of the manufacturing angle alpha and the descending displacement Y under the same steel plate 4 parameter;
a4, changing the parameters of the steel plate 4, repeating the steps A1-A3, and making a numerical table containing the correspondence between the bending angle alpha and the descending displacement Y of the steel plate 4 with various parameters.
As shown in fig. 6, the rebound database establishment procedure includes the following steps:
b1, inputting the parameters of the steel plate 4 and the mould parameters of the bending machine into a springback database;
the parameters of the steel plate 4 comprise the type of the steel plate 4 and the thickness of the steel plate 4, and the parameters of the bending machine die comprise the type of the upper die 3 and the pressure head fillet radius of the upper die 3.
B2, mounting the steel plate 4 and the lower die 5 on a real-time bending angle sensing device, starting the hydraulic cylinder 2 to drive the upper die 3 to move downwards, and starting the bending processing process of the steel plate 4;
b3, in the bending process, the laser ranging sensor 1 measures the real-time distance H from the upper die 3 and transmits the distance H to the controller;
b4, converting the real-time distance H into a braking angle alpha by calling a numerical table corresponding to the braking angle alpha and the descending displacement Y by the controller;
the real-time distance H is an average value of the measured data of the two laser ranging sensors 1, the descending displacement Y is obtained through a formula (1), and the braking angle alpha is obtained by calling a numerical value table corresponding to the braking angle alpha and the descending displacement Y.
B5, unloading the steel plate 4 and the upper die 3, and measuring a forming angle alpha';
b6, calculating a rebound angle gamma to form the rebound angle gamma under the specific steel plate 4 parameters in the rebound database;
b7, changing the parameters of the steel plate 4, repeating the steps B1-B6, and manufacturing a springback database of the steel plate 4 with various parameters.
In conclusion, compared with the conventional clamping plate measuring and bending process, the method adopts the displacement measurement of the laser displacement sensor and the corresponding angle conversion and display method, displays the angle in the bending process in real time, has high measurement precision relative to the clamping plate control, and reduces the operation risk of workers.
Claims (10)
1. The utility model provides a real-time induction system of transmission tower panel system bent angle which characterized in that: the device comprises a hydraulic bending machine, a plurality of laser ranging sensors (1) and a controller, wherein the hydraulic bending machine is arranged on a workbench and used for bending and forming a steel plate (4), the plurality of laser ranging sensors (1) are arranged on two sides of the upper part of a frame (6) of the hydraulic bending machine, and the controller is communicated with the laser ranging sensors (1); the hydraulic bending machine comprises a hydraulic cylinder (2) arranged at the lower end of the upper part of a rack (6), an upper die (3) hinged to the lower part of the hydraulic cylinder (2) and a lower die (5) fixed at the upper end of the bottom of the rack (6); the hydraulic cylinder (2) pushes the upper die (3) to move downwards to be matched with the fixed lower die (5) to extrude a steel plate (4) placed at the upper end of the lower die (5) so as to realize bending processing of the steel plate (4); the laser ranging sensor (1) measures the displacement of the upper die (3) in the bending process of the steel plate (4) and sends the displacement to the controller; the controller receives and processes the displacement of the upper die (3) and displays the angle change of the steel plate (4) in the bending process in real time.
2. The device for sensing the bending angle of the steel pylon plate according to claim 1, wherein: the communication mode of the laser ranging sensor (1) and the controller is RS485 communication.
3. The device for sensing the bending angle of the steel pylon plate according to claim 1, wherein: the number of the laser ranging sensors (1) is two.
4. An angle sensing method of the real-time angle sensing device for the steel pylon plate manufacturing according to any one of claims 1 to 3, wherein the angle sensing method comprises the following steps: the method comprises the following steps:
s1, inputting the parameters of the steel plate (4) and the mould parameters of the bending machine into the controller;
s2, placing the steel plate (4) on the lower die (5), starting the hydraulic cylinder (2) to push the upper die (3) to move downwards, and starting the bending processing process of the steel plate (4);
s3, in the bending process, the laser ranging sensor (1) measures the real-time distance H from the upper die (3) and transmits the distance H to the controller;
and S4, converting the real-time distance H into a forming angle alpha 'by the controller and displaying the forming angle alpha' in real time.
5. The angle sensing method of the real-time angle sensing device for the manufacturing angle of the steel pylon plate according to claim 4, wherein the angle sensing method comprises the following steps: in S1, the parameters of the steel plate (4) include the type of the steel plate (4) and the thickness of the steel plate (4).
6. The angle sensing method of the real-time angle sensing device for the manufacturing angle of the steel pylon plate according to claim 4, wherein the angle sensing method comprises the following steps: in S1, the parameters of the bending machine die comprise the model of the upper die (3), the fillet radius of a pressure head of the upper die (3), the model of the lower die (5), the fillet radius of a supporting part of the lower die (5) and the supporting distance of the lower die (5).
7. The angle sensing method of the real-time angle sensing device for the manufacturing angle of the steel pylon plate according to claim 4, wherein the angle sensing method comprises the following steps: s4 specifically includes the following steps:
s4.1, the controller converts the real-time distance H into a braking angle alpha by calling a numerical table corresponding to the braking angle alpha and the descending displacement Y;
the relation between the real-time distance H and the descending displacement Y of the steel plate (4) bending part is as follows:
H＝H0+Y (1)
in the formula, H0The distance from the laser ranging sensor (1) to the upper die (3) is measured when the upper die (3) is just contacted with the steel plate (4) and the manufacturing bending angle alpha is 0;
s4.2, the controller corrects the bending angle alpha into a forming angle alpha 'by calling the rebound database and displays the forming angle alpha' in real time;
forming a forming angle alpha' after springback:
α’＝α’-γ (2)
wherein gamma is a rebound angle and is obtained by calling a rebound database.
8. The angle sensing method of the real-time angle sensing device for the steel pylon plate manufacturing angle according to claim 7, wherein the angle sensing method comprises the following steps: the real-time distance H is an average value of data measured by the plurality of laser ranging sensors (1).
9. The angle sensing method of the real-time angle sensing device for the manufacturing angle of the steel pylon plate according to claim 4, wherein the angle sensing method comprises the following steps: the establishment process of the numerical table corresponding to the braking angle alpha and the descending displacement Y comprises the following steps:
a1, inputting the parameters of the steel plate (4) and the parameters of the bending machine die in a numerical table corresponding to the bending angle alpha and the descending displacement Y;
a2, dispersing the bending angle alpha at 15-180 degrees according to the step length of 1 degree at intervals, and solving the corresponding pressing quantity Y:
in the formulas (3) and (4), Y is the descending displacement of the bending part of the steel plate (4), alpha is the bending angle, and beta is the included angle between the steel plate (4) and the horizontal plane;
a3, storing the discrete manufacturing angle alpha and the corresponding descending displacement Y to form a corresponding numerical table of the manufacturing angle alpha and the descending displacement Y under the same steel plate (4) parameter;
a4, changing the parameters of the steel plate (4), repeating the steps A1-A3, and making a numerical table containing the correspondence between the making angle alpha and the descending displacement Y of the steel plate (4) with various parameters.
10. The angle sensing method of the real-time angle sensing device for the manufacturing angle of the steel pylon plate according to claim 4, wherein the angle sensing method comprises the following steps: the rebound database establishing process comprises the following steps:
b1, inputting the parameters of the steel plate (4) and the mould parameters of the bending machine into a springback database;
b2, mounting the steel plate (4) and the lower die (5) on a real-time brake angle sensing device, starting the hydraulic cylinder (2) to drive the upper die (3) to move downwards, and starting the brake bending process of the steel plate (4);
b3, in the bending process, the laser ranging sensor (1) measures the real-time distance H from the upper die (3) and transmits the distance H to the controller;
b4, converting the real-time distance H into a braking angle alpha by calling a numerical table corresponding to the braking angle alpha and the descending displacement Y by the controller;
b5, unloading the steel plate (4) and the upper die (3) and measuring a forming angle alpha';
b6, calculating a rebound angle gamma to form the rebound angle gamma under the condition of inputting the parameters of the steel plate (4) in a rebound database;
b7, changing the parameters of the steel plate (4), repeating the steps B1-B6, and manufacturing a springback database of the steel plate (4) with various parameters.
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| CN202210004066.2A CN114309149B (en) | 2022-01-05 | 2022-01-05 | Real-time sensing device and real-time sensing method for bending angle of power transmission tower plate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0716655A (en) * | 1993-06-30 | 1995-01-20 | Komatsu Ltd | Adaptive control method for bending and control device for bending machine using it |
| JP2002079319A (en) * | 2000-09-06 | 2002-03-19 | Amada Eng Center Co Ltd | Die apparatus in bending machine, bending machine, method for detecting bending angle and bending method |
| CN2557262Y (en) * | 2002-06-27 | 2003-06-25 | 南京埃斯顿工业自动化有限公司 | Real time on-line angle automatic metering device in bending |
| EP1961502A2 (en) * | 2007-02-23 | 2008-08-27 | Bystronic Laser AG | Method and device for bending workpieces |
| CN106140901A (en) * | 2015-03-31 | 2016-11-23 | 株式会社日立制作所 | Sheet metal bending forming control method |
-
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- 2022-01-05 CN CN202210004066.2A patent/CN114309149B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0716655A (en) * | 1993-06-30 | 1995-01-20 | Komatsu Ltd | Adaptive control method for bending and control device for bending machine using it |
| JP2002079319A (en) * | 2000-09-06 | 2002-03-19 | Amada Eng Center Co Ltd | Die apparatus in bending machine, bending machine, method for detecting bending angle and bending method |
| CN2557262Y (en) * | 2002-06-27 | 2003-06-25 | 南京埃斯顿工业自动化有限公司 | Real time on-line angle automatic metering device in bending |
| EP1961502A2 (en) * | 2007-02-23 | 2008-08-27 | Bystronic Laser AG | Method and device for bending workpieces |
| CN106140901A (en) * | 2015-03-31 | 2016-11-23 | 株式会社日立制作所 | Sheet metal bending forming control method |
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