CN114985857B - Linear cutting control method, linear cutting control device and linear cutting machine - Google Patents
Linear cutting control method, linear cutting control device and linear cutting machine Download PDFInfo
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- CN114985857B CN114985857B CN202210764302.0A CN202210764302A CN114985857B CN 114985857 B CN114985857 B CN 114985857B CN 202210764302 A CN202210764302 A CN 202210764302A CN 114985857 B CN114985857 B CN 114985857B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 322
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The embodiment of the application provides a wire cutting control method, a wire cutting control device and a wire cutting machine, wherein the method respectively obtains a tangential angle of a cutting point and a distance between the cutting point and a preset rotating shaft by acquiring a preset path to be cut, and calculates a rotating angle of the corresponding preset rotating shaft of the cutting point in the preset path to be cut; and controlling the cutting surface and/or the material to be cut to rotate according to the rotation angle of the preset rotating shaft, so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset cutting path and is coplanar with the standard cutting surface. Therefore, the angle of the cut material and the diamond wire walking is automatically adjusted in an indexing mode according to the curve path, the direction of each cutting point of the diamond wire walking is consistent with the tangential direction of the shape surface at the position and is coplanar with the standard cutting surface, so that a stable wire bow is maintained, the size and the direction of the wire bow are controllable, the problem that a theoretical cutting pattern is not matched with an actual cutting pattern due to the change of the wire bow of the diamond wire is avoided, and the cutting precision is improved.
Description
Technical Field
The application relates to the technical field of wire cutting, in particular to a wire cutting control method and a wire cutting control device.
Background
As shown in fig. 1, in the conventional cutting method, when two-axis linkage cutting is performed, the diamond wire is subjected to resistance of the material to be cut, and a wire bow is generated along the tangential direction of the curve of the cutting point. Because the cutting tool is not moved, the center line of the cutting wheel groove can generate an offset included angle with the bending direction of the wire bow. Along with the change of the curve shape, the resistance and the direction of the diamond wire can be changed, and the bending direction of the wire bow can be changed along with the change of the resistance and the direction of the diamond wire, so that the size and the direction of the deviation included angle are not fixed, and the cutting track is inaccurate.
Disclosure of Invention
The embodiment of the application provides a wire cutting control method and a wire cutting control device, which are used for solving the problem that the cutting track is inaccurate due to the fact that the center line of a cutting wheel groove and the bending direction of a wire bow form a deviation included angle when a cutting curve is cut.
In order to achieve the above purpose, the present application provides the following technical solutions:
A wire cutting control method, comprising:
Acquiring a preset path to be cut, wherein the preset path to be cut comprises a curve path;
According to the preset cutting path, respectively obtaining a tangential angle of a cutting point and a distance between the cutting point and a preset rotating shaft, and calculating to obtain a rotating angle of the cutting point corresponding to the preset rotating shaft in the preset cutting path;
Controlling a cutting surface and/or a material to be cut to rotate around the preset rotating shaft according to the rotating angle of the preset rotating shaft so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset cutting path and coplanar with a standard cutting surface; the standard cutting surface is a plane where the central line of the cutting wheel groove is located.
Optionally, the method further comprises:
obtaining a preset line bow value;
Determining plane advancing information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset wire bow value;
and controlling the cutting surface and/or the material to be cut to travel according to the plane travel information.
Optionally, after the controlling the travel of the cutting surface and/or the material to be cut according to the plane travel information, the method further comprises:
Acquiring a real-time line bow value of a current cutting point;
And calibrating the plane advancing information at the current cutting point according to the real-time line bow value of the current cutting point to obtain the actual plane advancing information of the current cutting point, and controlling the cutting point to advance according to the actual plane advancing information.
Optionally, the plane travelling information includes X, Y axis coordinates and travelling speed of each cutting point in the preset path to be cut in a plane rectangular coordinate system.
Optionally, the method further includes, before determining plane travel information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset wire bow value:
And establishing a plane rectangular coordinate system by taking the preset rotating shaft as an origin of the coordinate system, wherein the plane rectangular coordinate system comprises an X axis and a Y axis.
The present application provides a wire cutting control device, comprising:
The device comprises a preset path to be cut obtaining unit, a processing unit and a processing unit, wherein the preset path to be cut obtaining unit is used for obtaining a preset path to be cut, and the preset path to be cut comprises a curve path;
A rotation angle calculation unit of a preset rotation shaft, which is used for respectively obtaining a tangential angle of a cutting point and a distance between the cutting point and the preset rotation shaft according to the preset path to be cut, and calculating to obtain a rotation angle of the preset rotation shaft corresponding to the cutting point in the preset path to be cut;
The angle rotation control unit is used for controlling the cutting surface and/or the material to be cut to rotate around the preset rotating shaft according to the rotating angle of the preset rotating shaft so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset path to be cut and is coplanar with the standard cutting surface; the standard cutting surface is a plane where the central line of the cutting wheel groove is located.
Optionally, the method further comprises:
a preset wire bow value acquisition unit for acquiring a preset wire bow value;
The plane advancing information determining unit is used for determining plane advancing information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset wire bow value;
And the plane travel control unit is used for controlling the travel of the cutting surface and/or the material to be cut according to the plane travel information.
Optionally, the method further comprises:
the real-time line bow acquisition unit is used for acquiring a real-time line bow value of the current cutting point;
The plane traveling information calibration unit is used for calibrating the plane traveling information at the current cutting point according to the real-time line bow value of the current cutting point to obtain the actual plane traveling information of the current cutting point and triggering the plane traveling control unit to act;
the plane traveling control unit is used for controlling the cutting point to travel according to the actual plane traveling information.
The application provides a wire cutting machine comprising the wire cutting control device according to any one of the above embodiments.
The present application provides an apparatus comprising a memory and a processor, and a computer program stored on the memory and capable of running on the processor, which when executed by the processor, implements the steps of the wire cut control method of any of the above embodiments.
The present application provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the wire cut control method of any of the above embodiments.
The wire cutting control method provided by the embodiment of the application comprises the following steps: acquiring a preset path to be cut, wherein the preset path to be cut comprises a curve path; according to a preset path to be cut, respectively obtaining a tangential angle of a cutting point and a distance between the cutting point and a preset rotating shaft, and calculating to obtain a rotating angle of the corresponding preset rotating shaft of the cutting point in the preset path to be cut; controlling the cutting surface and/or the material to be cut to rotate around the preset rotating shaft according to the rotating angle of the preset rotating shaft so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset path to be cut and is coplanar with the standard cutting surface; the standard cutting surface is a plane where the central line of the cutting wheel groove is located.
Compared with the prior art, the wire cutting control method provided by the embodiment of the application has the following technical effects:
According to the method, the tangential angle of the cutting point and the distance between the cutting point and the preset rotating shaft are respectively obtained by obtaining the preset path to be cut, and the rotating angle of the corresponding preset rotating shaft of the cutting point in the preset path to be cut is calculated; and controlling the cutting surface and/or the material to be cut to rotate according to the rotation angle of the preset rotating shaft, so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset cutting path and is coplanar with the standard cutting surface. Therefore, the angle of the cut material and the diamond wire walking is automatically adjusted in an indexing mode according to the curve change of the shape surface, so that the direction of each cutting point of the diamond wire walking is consistent with the tangential direction of the shape surface at the position and coplanar with the standard cutting surface, a stable wire bow is maintained, the size and the direction of the wire bow are controllable, the problem that a theoretical cutting pattern and an actual cutting pattern are not matched due to the change of the diamond wire bow is avoided, and the high-precision shape surface cutting of the diamond wire is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic view of a prior art form-face cut;
FIG. 2 is a schematic view of a face cut structure according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a wire-electrode cutting control device according to an embodiment of the present application;
Fig. 4 is a schematic structural diagram of a wire-electrode cutting control device according to another embodiment of the present application;
Fig. 5 is a schematic structural diagram of a planar rectangular coordinate system according to an embodiment of the present application;
fig. 6 is a schematic flow chart of a wire cutting control method according to an embodiment of the present application.
The figures are marked as follows:
The device comprises a loading assembly 1, a rotary power driving assembly 2, a first direction driving assembly 3, a second direction driving assembly 4 and a cutting assembly 5.
Detailed Description
The embodiment of the invention discloses a wire cutting control method and a wire cutting control device, which are used for solving the problem that the cutting track is inaccurate due to the fact that the center line of a cutting wheel groove and the bending direction of a wire bow form a deviation included angle when a curve is cut.
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is provided in conjunction with the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application and not exhaustive of all embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
Referring to fig. 2 and 6, fig. 2 is a schematic structural diagram of a shape surface cutting according to an embodiment of the present application; fig. 6 is a schematic flow structure diagram of a wire cutting control method according to an embodiment of the present application
In a specific embodiment, the wire cutting control method provided by the application comprises the following steps:
S10: acquiring a preset path to be cut, wherein the preset path to be cut comprises a curve path;
The preset wire bow values can be set according to the preset wire bow values, for example, different preset wire bow values can be set uniformly for the preset wire bow values, or different preset wire bow values are set correspondingly for the different preset wire bow values respectively. Can be set according to actual needs and are all within the protection scope of the application. The preset path to be cut comprises a curve path, can be composed of all curve paths or a curve path and a straight line path, and can be set according to the needs.
S20: according to a preset path to be cut, respectively obtaining a tangential angle of a cutting point and a distance between the cutting point and a preset rotating shaft, and calculating to obtain a rotating angle of the corresponding preset rotating shaft of the cutting point in the preset path to be cut;
The preset rotating shaft can be arranged on the cutting assembly or the carrying assembly, and is determined according to the setting position of the rotary driving device. According to the tangential angle of the cutting point and the distance between the cutting point and the rotating shaft, the rotating angle of the preset rotating shaft is calculated, so that the rotation of the preset rotating shaft is controlled according to different advancing positions in the advancing process, and the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset path to be cut. How to calculate the rotation angle of the preset rotation axis corresponding to a point in the curve according to the tangential angle of the point and the distance between the point and the preset rotation axis is a mature prior art in the field.
S30: controlling the cutting surface and/or the material to be cut to rotate around the preset rotating shaft according to the rotating angle of the preset rotating shaft so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset path to be cut and is coplanar with the standard cutting surface; the standard cutting surface is a plane where the central line of the cutting wheel groove is located.
The actual cutting direction of the cutting point is the opposite direction of the wire bow direction, and the actual cutting direction is the feeding direction. The central line of the cutting wheel groove is the circumferential line of the most concave part of the cutting wheel groove (namely the position of the cutting line wound on the cutting wheel in a normal state), and the plane of the central line is the plane of the circumferential line.
It is understood that the preset rotation axis may be arranged at the side of the cutting tool and/or the loading platform, and the rotation of the cutting surface and/or the material to be cut is controlled according to the rotation angle of the preset rotation axis.
Compared with the prior art, the wire cutting control method provided by the embodiment of the application has the following technical effects:
According to the method, the tangential angle of the cutting point and the distance between the cutting point and the preset rotating shaft are respectively obtained by obtaining the preset path to be cut, and the rotating angle of the corresponding preset rotating shaft of the cutting point in the preset path to be cut is calculated; and controlling the cutting surface and/or the material to be cut to rotate according to the rotation angle of the preset rotating shaft, so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset cutting path and is coplanar with the standard cutting surface. Therefore, the angle of the cut material and the diamond wire walking is automatically adjusted in an indexing mode according to the curve change of the shape surface, so that the direction of each cutting point of the diamond wire walking is consistent with the tangential direction of the shape surface at the position and coplanar with the standard cutting surface, a stable wire bow is maintained, the size and the direction of the wire bow are controllable, the problem that a theoretical cutting pattern and an actual cutting pattern are not matched due to the change of the diamond wire bow is avoided, and the high-precision shape surface cutting of the diamond wire is realized.
Wherein, the method further comprises the following steps:
s40: obtaining a preset line bow value;
s50: determining plane advancing information of a cutting point in a preset path to be cut according to the preset path to be cut and a preset line bow value;
s60: and controlling the travel of the cutting surface and/or the material to be cut according to the plane travel information.
The plane traveling information comprises X, Y axis coordinates and traveling speed of each cutting point in the preset to-be-cut path in a plane rectangular coordinate system. Or the plane traveling information comprises the traveling distance and the traveling speed of each cutting point in a preset path to be cut. The cutting point performs plane movement in the shape plane according to the plane traveling information.
As shown in fig. 5, fig. 5 is a schematic structural diagram of a planar rectangular coordinate system according to an embodiment of the present application; preferably, before S50, the method further includes:
And establishing a plane rectangular coordinate system by taking the rotating shaft as an origin of the coordinate system, wherein the plane rectangular coordinate system comprises an X axis and a Y axis. Therefore, the calculation of X-axis and Y-axis coordinates is simplified, the calculation error is reduced, and the control precision is improved.
In order to detect and feed back the bow value in real time, after S60, the method further includes:
s70: acquiring a real-time line bow value of a current cutting point;
S80: and calibrating plane advancing information at the current cutting point according to the real-time line bow value of the current cutting point to obtain actual plane advancing information of the current cutting point, and controlling the cutting point to advance according to the actual plane advancing information.
It can be appreciated that the travel speed at the current cut point is calibrated according to the real-time line bow value of the current cut point, and the line bow size at the current cut point is further adjusted such that the adjusted line bow is equal to the preset line bow value or within a reasonable error range of the preset line bow value.
Based on the wire cutting control method, the application also provides a wire cutting control device, and the method and the device are correspondingly arranged and can be mutually referred. The wire cutting control device includes:
the device comprises a preset to-be-cut path acquisition unit, a cutting unit and a cutting unit, wherein the preset to-be-cut path acquisition unit is used for acquiring a preset to-be-cut path, and the preset to-be-cut path comprises a curve path;
a rotation angle calculation unit of the preset rotation shaft, which calculates and obtains the rotation angle of the preset rotation shaft corresponding to the cutting point in the preset path to be cut according to the tangential angle of the cutting point and the distance between the cutting point and the preset rotation shaft, which are respectively obtained by the preset path to be cut;
the angle rotation control unit is used for controlling the cutting surface and/or the material to be cut to rotate around the preset rotating shaft according to the rotating angle of the preset rotating shaft so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset cutting path and is coplanar with the standard cutting surface; the standard cutting surface is a plane where the central line of the cutting wheel groove is located.
In one embodiment, a preset wire bow value acquisition unit is used for acquiring a preset wire bow value;
The plane advancing information determining unit is used for determining plane advancing information of a cutting point in a preset path to be cut according to the preset path to be cut and a preset line bow value;
And the plane travel control unit is used for controlling the travel of the cutting surface and/or the material to be cut according to the plane travel information.
Specifically, the method further comprises the following steps:
the real-time line bow acquisition unit is used for acquiring a real-time line bow value of the current cutting point;
The plane traveling information calibration unit is used for calibrating plane traveling information at the current cutting point according to the real-time line bow value of the current cutting point to obtain actual plane traveling information of the current cutting point and triggering the plane traveling control unit to act;
and the plane travel control unit is used for controlling the travel of the cutting point according to the actual plane travel information.
The application also provides a wire cutting machine comprising the wire cutting control device according to any one of the above embodiments, the wire cutting machine further comprising:
A cutting assembly 5 for cutting a material to be cut;
the material carrying assembly 1 is used for clamping and fixing the belt cutting materials;
The wire cutting control device is respectively connected with the cutting assembly 5 and the material carrying assembly 1, and is used for controlling the cutting surface and/or the material to be cut to rotate around a preset rotating shaft according to a preset path to be cut and a preset wire bow value so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset path to be cut and is coplanar with the standard cutting surface; the standard cutting surface is a plane where the central line of the cutting wheel groove is located.
As shown in fig. 3, the cutting assembly 5 comprises a cutting panel, a driving device (driving guide wheel) located on the cutting panel, two cutting wheels arranged opposite each other, and cutting lines respectively bypass the two cutting wheels and one driving guide wheel to form a cutting wire net. In other embodiments, the guide wheels may be provided as needed, and the cutting assembly 5 may be provided as needed, which is within the scope of the present application. The diamond wire can be operated in a long wire reciprocating mode or in a ring wire unidirectional mode. The diamond wire cutting machine has the main function of finishing cutting materials through the high-speed operation of the diamond wire.
According to the method, the tangential angle of the cutting point and the distance between the cutting point and the preset rotating shaft are respectively obtained by obtaining the preset path to be cut, and the rotating angle of the corresponding preset rotating shaft of the cutting point in the preset path to be cut is calculated; and controlling the cutting surface and/or the material to be cut to rotate according to the rotation angle of the preset rotating shaft, so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset cutting path and is coplanar with the standard cutting surface. Therefore, the angle of the cut material and the diamond wire walking is automatically adjusted in an indexing mode according to the curve change of the shape surface, so that the direction of each cutting point of the diamond wire walking is consistent with the tangential direction of the shape surface at the position and coplanar with the standard cutting surface, a stable wire bow is maintained, the size and the direction of the wire bow are controllable, the problem that a theoretical cutting pattern and an actual cutting pattern are not matched due to the change of the diamond wire bow is avoided, and the high-precision shape surface cutting of the diamond wire is realized.
It will be appreciated that for effecting the planar movement as well as the rotational movement, a planar power drive assembly and a rotational power drive assembly 2 may be provided on the loading assembly 1 and/or the cutting assembly 5, respectively. Fig. 4 is a schematic structural diagram of a wire-electrode cutting control device according to another embodiment of the present application; in the first embodiment, the rotary power driving assembly 2 is arranged on the cutting assembly 5, and the plane power driving assembly is arranged on the material loading assembly 1; as shown in fig. 3, fig. 3 is a schematic structural diagram of a wire-electrode cutting control device according to an embodiment of the present application; in the second embodiment, the rotary power driving assembly 2 is arranged on the material carrying assembly 1, and the plane power driving assembly is arranged on the cutting assembly 5; the plane power driving assembly comprises a first direction driving assembly 3 and a second direction driving assembly 4 for carrying out X-axis and Y-axis movement, and the first direction driving assembly 3 and the second direction driving assembly 4 can be arranged on the cutting assembly 5 or the material carrying assembly 1; or in another embodiment, the first direction driving component 3 and the second direction driving component 4 are respectively arranged on the cutting component 5 and the loading component 1, and the specific arrangement modes are arranged according to the needs and are all within the protection scope of the application.
The first direction driving assembly 3 consists of a driving servo motor, a ball screw and a linear guide rail. The main function of the device is to drive the material carrying platform to do accurate reciprocating linear motion along the X axis. And the material carrying platform can perform accurate and controllable curve motion by being linked with the Y axis. The second direction driving assembly 4 consists of a driving servo motor, a ball screw and a linear guide rail. The main function of the device is to drive the material carrying platform to do accurate reciprocating linear motion along the Y axis. And the material carrying platform can perform accurate and controllable curve motion by being linked with the X axis. The rotary power driving assembly 2 consists of a driving servo motor, a coupler and a rotary bearing box. The main function of the device is to drive the clamping device to rotate at a corresponding angle according to the angle of the cutting curve.
Rotating shafts are added outside the X axis and the Y axis. When cutting, according to the curve change of the shape surface, the cutting tool or the cut material can automatically index and adjust the walking angle, so that the direction of each cutting point of the diamond wire walking is consistent with the tangential direction of the shape surface at the position, thereby maintaining a fixed cutting line bow and realizing controllable direction and size of the line bow.
The application further comprises an angle detection assembly which is respectively connected with the control assembly and the rotating shaft driving assembly and is used for detecting the rotating angle of the cutting assembly 5. The rotation angle of the rotary power piece can be compared with that of the rotary power piece, and the comparison is fed back to the control assembly to judge and adjust.
Meanwhile, the application further comprises a wire bow detection assembly which is positioned on the cutting assembly 5, wherein the wire bow detection assembly is connected with the control assembly and is used for detecting the wire bow value of the cutting assembly 5 in real time and feeding back the wire bow value to the control assembly, and the control assembly controls the advancing speed in the cutting process according to the detected wire bow value, so that the wire bow value is adjusted to be equal to a preset wire bow value in real time. In another embodiment, the bow detection assembly may be provided on the carrier assembly 1, and the type of sensor, preferably a non-contact sensor, may be provided as desired to reduce interference with the cutting line.
In a specific embodiment, the material is fed in a two-axis linkage manner, and a cutting mode of feeding in a two-axis linkage manner by a cutting tool can also be adopted. The rotation axis is built on a stage holding the material to be cut. Before cutting, the size of the wire bow, namely the deviation value of the theoretical position and the actual position of the diamond wire, is set according to different material properties. During cutting, the material to be cut is driven by the carrying platform to rotate by a certain angle according to the walking curve through the algorithm of the control program while the X-axis and the Y-axis are in linkage feeding, so that the cutting direction of each point is consistent with the tangential direction of the shape surface at the position, the bending direction and the size of the wire bow are always kept unchanged, the effective control of the direction and the size of the wire bow is realized, and the purpose of accurately cutting the shape surface by using the diamond wire is achieved.
The device realizes triaxial movement, and compared with the prior art, the device increases the rotation axis movement, and the direction and the angle of diamond wire feeding can be adjusted through triaxial linkage, so that the stress direction and the stress of the cutting wire are always kept unchanged; the direction and the size of the diamond wire cutting line bow can be effectively controlled, but the direction and the size of the wire bow cannot be effectively controlled by linear single-shaft cutting and the traditional two-shaft cross loading platform processing technology; through the triaxial linkage, the walking position of the cutting wire can be effectively controlled, the feeding precision is improved, and the precise surface processing of the material is realized. The stress direction and the stress size of the diamond wire are effectively controlled, the occurrence frequency of the problems of wire breakage, wire disconnection, excessively rapid abrasion of the cutting guide wheel, accidental cutting and the like which are commonly existed in the traditional cutting technology can be reduced or even eradicated, the service life of each part is prolonged, and the use cost is reduced.
The application realizes the effective control of the bow direction and the size of the diamond wire cutting line, can more accurately cut the shape surface, and can realize the high-efficiency and accurate numerical control shape surface cutting by combining the high-efficiency technical characteristics of the diamond wire cutting. After the direction and the size of the diamond wire bow are effectively controlled, unordered running, vibration and other invalid cutting problems of the diamond wire in the cutting process can be effectively controlled, so that the quality of a broken surface is improved, self abrasion caused by invalid cutting of the diamond wire can be effectively reduced, the cutting efficiency and the service life are improved, and the use cost is further reduced.
The present application provides an apparatus comprising a memory and a processor, and a computer program stored on the memory and capable of running on the processor, which when executing the computer program, implements the steps of the wire cutting control method of any of the above embodiments.
The present application provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the wire cutting control method of any of the above embodiments.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. A wire cutting control method, characterized by comprising:
Acquiring a preset path to be cut, wherein the preset path to be cut comprises a curve path;
According to the preset cutting path, respectively obtaining a tangential angle of a cutting point and a distance between the cutting point and a preset rotating shaft, and calculating to obtain a rotating angle of the cutting point corresponding to the preset rotating shaft in the preset cutting path;
Controlling a cutting surface and/or a material to be cut to rotate around the preset rotating shaft according to the rotating angle of the preset rotating shaft so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset cutting path and coplanar with a standard cutting surface; the standard cutting surface is a plane where the central line of the cutting wheel groove is located;
The method further comprises the steps of:
obtaining a preset line bow value;
Determining plane advancing information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset wire bow value;
and controlling the cutting surface and/or the material to be cut to travel according to the plane travel information.
2. The wire cutting control method according to claim 1, wherein after the control of the cutting face and/or the travel of the material to be cut according to the plane travel information, the method further comprises:
Acquiring a real-time line bow value of a current cutting point;
And calibrating the plane advancing information at the current cutting point according to the real-time line bow value of the current cutting point to obtain the actual plane advancing information of the current cutting point, and controlling the cutting point to advance according to the actual plane advancing information.
3. The wire cutting control method according to claim 1, wherein the plane traveling information includes X, Y axis coordinates and traveling speed of each cutting point in the preset path to be cut in a plane rectangular coordinate system.
4. The wire cutting control method according to claim 1, wherein the determining the plane travel information of the cutting point in the preset wire cutting path is preceded by the determining the plane travel information of the cutting point in the preset wire cutting path according to the preset wire cutting path and the preset wire bow value, the method further comprising:
And establishing a plane rectangular coordinate system by taking the preset rotating shaft as an origin of the coordinate system, wherein the plane rectangular coordinate system comprises an X axis and a Y axis.
5. A wire cutting control device, characterized by comprising:
The device comprises a preset path to be cut obtaining unit, a processing unit and a processing unit, wherein the preset path to be cut obtaining unit is used for obtaining a preset path to be cut, and the preset path to be cut comprises a curve path;
A rotation angle calculation unit of a preset rotation shaft, which is used for respectively obtaining a tangential angle of a cutting point and a distance between the cutting point and the preset rotation shaft according to the preset path to be cut, and calculating to obtain a rotation angle of the preset rotation shaft corresponding to the cutting point in the preset path to be cut;
The angle rotation control unit is used for controlling the cutting surface and/or the material to be cut to rotate around the preset rotating shaft according to the rotating angle of the preset rotating shaft so that the actual cutting direction of the cutting point is consistent with the tangential direction of the cutting point in the preset path to be cut and is coplanar with the standard cutting surface; the standard cutting surface is a plane where the central line of the cutting wheel groove is located;
a preset wire bow value acquisition unit for acquiring a preset wire bow value;
The plane advancing information determining unit is used for determining plane advancing information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset wire bow value;
And the plane travel control unit is used for controlling the travel of the cutting surface and/or the material to be cut according to the plane travel information.
6. The wire cut control device according to claim 5, further comprising:
the real-time line bow acquisition unit is used for acquiring a real-time line bow value of the current cutting point;
The plane traveling information calibration unit is used for calibrating the plane traveling information at the current cutting point according to the real-time line bow value of the current cutting point to obtain the actual plane traveling information of the current cutting point and triggering the plane traveling control unit to act;
the plane traveling control unit is used for controlling the cutting point to travel according to the actual plane traveling information.
7. A wire cutting machine comprising the wire cutting control device according to claim 5 or 6.
8. An apparatus comprising a memory and a processor, and a computer program stored on the memory and capable of running on the processor, characterized in that the processor, when executing the computer program, implements the steps of the wire cutting control method of any one of claims 1-4.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the steps of the wire cutting control method according to any one of claims 1-4 are implemented when the computer program is executed by a processor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210764302.0A CN114985857B (en) | 2022-06-30 | 2022-06-30 | Linear cutting control method, linear cutting control device and linear cutting machine |
| PCT/CN2023/103801 WO2024002233A1 (en) | 2022-06-30 | 2023-06-29 | Diamond wire cutting apparatus, wire cutting control method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210764302.0A CN114985857B (en) | 2022-06-30 | 2022-06-30 | Linear cutting control method, linear cutting control device and linear cutting machine |
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| CN114985857A CN114985857A (en) | 2022-09-02 |
| CN114985857B true CN114985857B (en) | 2024-05-14 |
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| WO2024002233A1 (en) * | 2022-06-30 | 2024-01-04 | 青岛高测科技股份有限公司 | Diamond wire cutting apparatus, wire cutting control method and apparatus |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4559601A (en) * | 1981-04-04 | 1985-12-17 | Fanuc Ltd. | Numerically controlled cutting method |
| TW499353B (en) * | 2001-12-31 | 2002-08-21 | Chien Hui Chuan | Three-dimension diamond wire saw cutting machine |
| JP2005199358A (en) * | 2004-01-13 | 2005-07-28 | Sodick Co Ltd | Wire-cut electric discharge machining method, control method for wire-cut electric discharge machining, and wire-cut electric discharge machining device |
| CN101607423A (en) * | 2009-07-09 | 2009-12-23 | 常州天合光能有限公司 | The thread-breakage protecting of silicon ingot cutting fret saw and use the scroll saw of this method |
| CN201586807U (en) * | 2009-12-23 | 2010-09-22 | 扬朋科技股份有限公司 | Cutting equipment |
| CN102729348A (en) * | 2012-07-13 | 2012-10-17 | 乐山新天源太阳能科技有限公司 | Multi-wire cutting machine |
| CN103056974A (en) * | 2011-10-22 | 2013-04-24 | 赵钧永 | Multi-line incising method and special equipment |
| CN105437297A (en) * | 2015-12-21 | 2016-03-30 | 罗建军 | Rotary table type numerical control diamond line cutting machine for cutting irregular line |
| CN108672951A (en) * | 2018-06-04 | 2018-10-19 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of fully-automatic laser diced system and control method |
| CN109014464A (en) * | 2018-09-28 | 2018-12-18 | 南京航空航天大学 | A kind of wire cutting method of three-dimensional sheet metal part |
| CN109176929A (en) * | 2018-09-14 | 2019-01-11 | 中国航空工业集团公司北京长城航空测控技术研究所 | A method of segmentation chip being miniaturized using diamond wire saw machine |
| CN110293323A (en) * | 2019-06-06 | 2019-10-01 | 济南邦德激光股份有限公司 | A kind of intelligent batch cutting process method, CNC control system, laser cutting machine and storage medium |
| CN211363014U (en) * | 2019-12-11 | 2020-08-28 | 阿特斯光伏电力(洛阳)有限公司 | Diamond wire cutting device |
| CN111743642A (en) * | 2020-06-29 | 2020-10-09 | 浙江隐齿丽医学技术有限公司 | Shell-shaped dental instrument cutting method, preparation method and electronic equipment |
| CN112605843A (en) * | 2020-12-14 | 2021-04-06 | 武汉菲仕运动控制系统有限公司 | Automatic adjusting and controlling system and method for wire bow height of multi-wire cutting machine |
| CN213380897U (en) * | 2020-09-30 | 2021-06-08 | 涿州兴峰航天科技有限公司 | Cutting apparatus for low density aerogels |
| CN113977022A (en) * | 2021-11-30 | 2022-01-28 | 唐山博索溯远电子设备有限责任公司 | Multi-wire cutting device with large wire distance |
-
2022
- 2022-06-30 CN CN202210764302.0A patent/CN114985857B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4559601A (en) * | 1981-04-04 | 1985-12-17 | Fanuc Ltd. | Numerically controlled cutting method |
| TW499353B (en) * | 2001-12-31 | 2002-08-21 | Chien Hui Chuan | Three-dimension diamond wire saw cutting machine |
| JP2005199358A (en) * | 2004-01-13 | 2005-07-28 | Sodick Co Ltd | Wire-cut electric discharge machining method, control method for wire-cut electric discharge machining, and wire-cut electric discharge machining device |
| CN101607423A (en) * | 2009-07-09 | 2009-12-23 | 常州天合光能有限公司 | The thread-breakage protecting of silicon ingot cutting fret saw and use the scroll saw of this method |
| CN201586807U (en) * | 2009-12-23 | 2010-09-22 | 扬朋科技股份有限公司 | Cutting equipment |
| CN103056974A (en) * | 2011-10-22 | 2013-04-24 | 赵钧永 | Multi-line incising method and special equipment |
| CN102729348A (en) * | 2012-07-13 | 2012-10-17 | 乐山新天源太阳能科技有限公司 | Multi-wire cutting machine |
| CN105437297A (en) * | 2015-12-21 | 2016-03-30 | 罗建军 | Rotary table type numerical control diamond line cutting machine for cutting irregular line |
| CN108672951A (en) * | 2018-06-04 | 2018-10-19 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of fully-automatic laser diced system and control method |
| CN109176929A (en) * | 2018-09-14 | 2019-01-11 | 中国航空工业集团公司北京长城航空测控技术研究所 | A method of segmentation chip being miniaturized using diamond wire saw machine |
| CN109014464A (en) * | 2018-09-28 | 2018-12-18 | 南京航空航天大学 | A kind of wire cutting method of three-dimensional sheet metal part |
| CN110293323A (en) * | 2019-06-06 | 2019-10-01 | 济南邦德激光股份有限公司 | A kind of intelligent batch cutting process method, CNC control system, laser cutting machine and storage medium |
| CN211363014U (en) * | 2019-12-11 | 2020-08-28 | 阿特斯光伏电力(洛阳)有限公司 | Diamond wire cutting device |
| CN111743642A (en) * | 2020-06-29 | 2020-10-09 | 浙江隐齿丽医学技术有限公司 | Shell-shaped dental instrument cutting method, preparation method and electronic equipment |
| CN213380897U (en) * | 2020-09-30 | 2021-06-08 | 涿州兴峰航天科技有限公司 | Cutting apparatus for low density aerogels |
| CN112605843A (en) * | 2020-12-14 | 2021-04-06 | 武汉菲仕运动控制系统有限公司 | Automatic adjusting and controlling system and method for wire bow height of multi-wire cutting machine |
| CN113977022A (en) * | 2021-11-30 | 2022-01-28 | 唐山博索溯远电子设备有限责任公司 | Multi-wire cutting device with large wire distance |
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