CN114985857A - Wire cutting control method, wire cutting control device and wire cutting machine - Google Patents
Wire cutting control method, wire cutting control device and wire cutting machine Download PDFInfo
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The embodiment of the application provides a linear cutting control method, a linear cutting control device and a linear cutting machine, wherein the method respectively obtains the tangent angle of a cutting point and the distance between the cutting point and a preset rotating shaft by acquiring a preset path to be cut, and calculates the rotating angle of the preset rotating shaft corresponding to 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 path to be cut, and the actual cutting direction is coplanar with the standard cutting surface. Therefore, the angle of the cut material and the diamond wire walking is automatically adjusted in a transposition mode according to the curve path, the direction of each cutting point of the diamond wire walking is consistent with the shape surface tangent direction of the position, and the cutting point is coplanar with the standard cutting surface, so that a stable wire bow and the size and direction of the stable wire bow are controllable, the problem that a theoretical cutting graph is not matched with an actual cutting graph due to the change of the wire bow of the diamond wire is solved, and the cutting precision is improved.
Description
Technical Field
The application relates to the technical field of linear cutting, in particular to a linear cutting control method and a linear cutting control device.
Background
As shown in fig. 1, when the conventional cutting method performs two-axis linkage cutting, the diamond wire is subjected to resistance of the material to be cut, and a wire bow is generated along a tangential direction of a curve of a cutting point. Because the cutting tool is not moved, the center line of the cutting wheel groove and the bending direction of the line bow form a deviation included angle. Along with the change of curve shape, the resistance size and the direction that the diamond wire received all can change, and the crooked direction and the size of line bow also can change along with taking place for the size and the direction of deviation contained angle are unset, thereby cause the cutting orbit inaccurate.
Disclosure of Invention
The embodiment of the application provides a linear cutting control method and a linear cutting control device, and aims to solve the problem that a cutting track is inaccurate due to the fact that a deviation included angle is generated between the central line of a cutting wheel groove and the bending direction of a wire bow when a curve is cut.
In order to achieve the above purpose, the present application provides the following technical solutions:
a wire-cut control method comprising:
acquiring a preset path to be cut, wherein the preset path to be cut comprises a curve path;
respectively obtaining the tangent angle of a cutting point and the distance between the cutting point and a preset rotating shaft according to the preset path to be cut, and calculating to obtain the corresponding rotating angle of the preset rotating shaft of the cutting point in the preset path to be cut;
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 path to be cut and is coplanar with a standard cutting surface; and the standard cutting surface is a plane where the center line of the wheel groove of the cutting wheel is located.
Optionally, the method further comprises:
acquiring a preset wire bow value;
determining plane traveling information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset line bow value;
and controlling the cutting surface and/or the material to be cut to advance according to the plane advancing information.
Optionally, after the control of the cutting surface and/or the material to be cut to travel according to the plane travel information, the method further comprises:
acquiring a real-time line bow value of a current cutting point;
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 planar traveling information includes X, Y-axis coordinates and a traveling speed of each cutting point in the preset path to be cut in a planar rectangular coordinate system.
Optionally, before determining the planar traveling information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset bow value, the method further includes:
and establishing a plane rectangular coordinate system by taking the preset rotating shaft as the origin of the coordinate system, wherein the plane rectangular coordinate system comprises an X axis and a Y axis.
The application provides a wire-electrode cutting controlling means includes:
the device comprises a preset path to be cut acquiring unit, a path processing unit and a path switching unit, wherein the preset path to be cut acquiring unit is used for acquiring a preset path to be cut, and the preset path to be cut comprises a curve path;
the rotation angle calculation unit of the preset rotating shaft is used for respectively obtaining the tangent angle of a cutting point and the distance between the cutting point and the preset rotating shaft according to the preset path to be cut and calculating to obtain the rotation angle of the preset rotating 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; and the standard cutting surface is a plane where the center line of the wheel groove of the cutting wheel is located.
Optionally, the method further comprises:
the preset wire bow value acquisition unit is used for acquiring a preset wire bow value;
the plane traveling information determining unit is used for determining plane traveling information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset line bow value;
and the plane advancing control unit is used for controlling the advancing of the cutting surface and/or the material to be cut according to the plane advancing information.
Optionally, the method further comprises:
the real-time wire bow acquisition unit is used for acquiring a real-time wire bow value of the current cutting point;
the plane advancing information calibration unit is used for 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 triggering the plane advancing control unit to act;
and the plane advancing control unit is used for controlling the cutting point to advance according to the actual plane advancing information.
The application provides a wire cutting machine, including the wire cutting controlling means of any one of the above embodiments.
The present application provides an apparatus, comprising a memory, a processor, and a computer program stored on the memory and capable of running on the processor, wherein the processor implements the steps of the wire cutting control method according to any one of the above embodiments when executing the computer program.
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 according to any one of the above-described embodiments.
The embodiment of the application provides a linear cutting control method, which comprises the following steps: acquiring a preset path to be cut, wherein the preset path to be cut comprises a curve path; respectively obtaining the tangent angle of a cutting point and the distance between the cutting point and a preset rotating shaft according to a preset path to be cut, and calculating to obtain the rotating angle of the preset rotating shaft corresponding to 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 a 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 center line of the wheel groove of the cutting wheel is located.
Compared with the prior art, the linear cutting control method provided by the embodiment of the application has the following technical effects:
the method comprises the steps of obtaining a tangent angle of a cutting point and a distance between the cutting point and a preset rotating shaft respectively through obtaining a preset path to be cut, and calculating 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 path to be cut and is coplanar with the standard cutting surface. Therefore, according to curve change of the profile, the walking angle of the cut material and the diamond wire is automatically adjusted in a transposition mode, the direction of each cutting point where the diamond wire walks is consistent with the tangential direction of the profile at the position and is coplanar with the standard cutting plane, 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 graph is not matched with an actual cutting graph due to change of the diamond wire bow is avoided, and high-precision profile cutting of the diamond wire is achieved.
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 application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural diagram of a prior art profile cut;
FIG. 2 is a schematic structural view of a profile cut provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a wire cutting control device according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a wire 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 structure diagram of a linear cutting control method according to an embodiment of the present application.
The drawings are numbered as follows:
the device comprises a loading component 1, a rotary power driving component 2, a first direction driving component 3, a second direction driving component 4 and a cutting component 5.
Detailed Description
The embodiment of the invention discloses a linear cutting control method and a linear cutting control device, and aims to solve the problem of inaccurate cutting track caused by deviation included angles generated between the central line of a cutting wheel groove and the bending direction of a linear bow 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 further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 2 and 6, fig. 2 is a schematic structural view of a profile cutting according to an embodiment of the present disclosure; fig. 6 is a schematic flow structure diagram of a linear cutting control method according to an embodiment of the present application
In a specific embodiment, the present application provides a wire cutting control method, including:
s10: acquiring a preset path to be cut, wherein the preset path to be cut comprises a curve path;
the preset path to be cut can be obtained by inputting a cutting track image in an image interface of the control system, or coordinates and the like are directly input in the control system, meanwhile, the preset wire bow value can be set according to the preset path to be cut, if different preset paths to be cut are set, unified preset wire bow values can be set, or different preset paths to be cut are respectively and correspondingly set different preset wire bow values. Can be set according to actual needs and all fall into the protection scope of the application. The preset path to be cut comprises a curve path, can be composed of the curve path completely, or is composed of the curve path and a straight line path, and can be set according to requirements.
S20: respectively obtaining the tangent angle of a cutting point and the distance between the cutting point and a preset rotating shaft according to a preset path to be cut, and calculating to obtain the rotating angle of the preset rotating shaft corresponding to the cutting point in the preset path to be cut;
the preset rotating shaft can be arranged on the cutting assembly or the loading assembly, and the preset rotating shaft is determined according to the arrangement position of the rotary driving device. And calculating the rotation angle of the preset rotating shaft according to the tangent angle of the cutting point and the distance between the cutting point and the rotating shaft so as to control the preset rotating shaft to rotate according to different advancing positions in the advancing process, so that the actual cutting direction of the cutting point is consistent with the tangent direction of the cutting point in the preset path to be cut. However, it is a mature prior art in the art how to calculate the rotation angle of the preset rotation axis corresponding to a point in the curve according to the tangent angle of the point on the curve and the distance between the point and the preset rotation axis.
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 a 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 center line of the wheel groove of the cutting wheel is located.
The actual cutting direction of the cutting point is the opposite direction of the wire bow, and the actual cutting direction is also the feeding direction. The center line of the cutting wheel groove is a 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 center line is the plane of the circumferential line.
It will be appreciated that a preset rotation axis may be provided at the side of the cutting tool and/or the loading platform, which controls the rotation of the cutting surface and/or the material to be cut according to the rotation angle of the preset rotation axis.
Compared with the prior art, the linear cutting control method provided by the embodiment of the application has the following technical effects:
the method comprises the steps of obtaining a tangent angle of a cutting point and a distance between the cutting point and a preset rotating shaft respectively through obtaining a preset path to be cut, and calculating 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 path to be cut and is coplanar with the standard cutting surface. Therefore, the angle of the cut material and the diamond wire walking is automatically adjusted in a transposition mode according to the curve change of the profile, the direction of each cutting point of the diamond wire walking is consistent with the profile tangent direction at the position, and the cutting point 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 the theoretical cutting pattern is not matched with the actual cutting pattern due to the change of the wire bow of the diamond wire is solved, and the high-precision profile cutting of the diamond wire is realized.
Wherein, the method further comprises:
s40: acquiring a preset wire bow value;
s50: determining plane traveling 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 cutting surface and/or the material to be cut to advance according to the plane advancing information.
The plane traveling information comprises X, Y axis coordinates and traveling speed of each cutting point in the preset path to be cut in a plane rectangular coordinate system. Or, the plane traveling information comprises the traveling distance and the traveling speed of each cutting point in the preset path to be cut. And the cutting point performs plane movement in the 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 provided in the 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 the origin of the coordinate system, wherein the plane rectangular coordinate system comprises an X axis and a Y axis. Therefore, the conversion calculation of X-axis and Y-axis coordinates is simplified, calculation errors are reduced, and control precision is improved.
In order to detect and feed back the wire 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 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 controlling the cutting point to travel according to the actual plane traveling information.
It can be understood that the advancing speed at the current cutting point is calibrated according to the real-time wire bow value of the current cutting point, and then the wire bow size at the current cutting point is adjusted, so that the adjusted wire bow is equal to the preset wire bow value or is within the reasonable error range of the preset wire bow value.
Based on the linear cutting control method, the application also provides a linear cutting control device, and the method and the device are correspondingly arranged and can be mutually referred. The wire-electrode cutting control device includes:
the device comprises a preset path to be cut acquiring unit, a path to be cut acquiring unit and a path switching unit, wherein the preset path to be cut acquiring unit is used for acquiring a preset path to be cut, and the preset path to be cut comprises a curve path;
the rotation angle calculation unit of the preset rotating shaft is used for respectively obtaining the tangent angle of the cutting point and the distance between the cutting point and the preset rotating shaft according to the preset path to be cut and calculating to obtain the rotation angle of the preset rotating shaft corresponding to the cutting point in the preset path to be cut;
the angle rotation control unit controls the cutting surface and/or the material to be cut to rotate around a preset rotating shaft according to the rotating angle of the preset rotating shaft so that the actual cutting direction of a cutting point is consistent with the tangential direction of the cutting point in a preset path to be cut and is coplanar with a standard cutting surface; the standard cutting surface is a plane where the center line of the wheel groove of the cutting wheel is located.
In one embodiment, the preset wire bow value acquiring unit is used for acquiring a preset wire bow value;
the plane traveling information determining unit is used for determining plane traveling 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 advancing control unit is used for controlling the advancing of the cutting surface and/or the material to be cut according to the plane advancing information.
Specifically, still include:
the real-time wire bow obtaining unit is used for obtaining a real-time wire bow value of the current cutting point;
the plane advancing information calibration unit is used for 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 triggering the plane advancing control unit to act;
and the plane advancing control unit is used for controlling the cutting point to advance according to the actual plane advancing information.
The present application further provides a wire cutting machine, including any one of the wire cutting control devices of the above embodiments, the wire cutting machine further includes:
the cutting assembly 5 is used for cutting the material to be cut;
the material loading assembly 1 is used for clamping and fixing the belt cutting material;
the linear 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 linear bow value so that the actual cutting direction of a cutting point is consistent with the tangential direction of the cutting point in the preset path to be cut and is coplanar with a standard cutting surface; the standard cutting surface is a plane where the center line of the wheel groove of the cutting wheel is located.
As shown in fig. 3, the cutting assembly 5 comprises a cutting panel, a driving device (driving guide wheel) on the cutting panel, two oppositely arranged cutting wheels, around which the cutting wire is passed respectively to form a wire web. In other embodiments, the guide wheel may be disposed as needed, and the cutting assembly 5 may be disposed as needed, all within the protection scope of the present application. The operation mode of the diamond wire can be a long wire reciprocating type, and can also be a ring wire unidirectional type. The cutting device has the main function of cutting materials by high-speed operation of the diamond wire.
The method comprises the steps of obtaining a tangent angle of a cutting point and a distance between the cutting point and a preset rotating shaft respectively through obtaining a preset path to be cut, and calculating 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 path to be cut, and the actual cutting direction is coplanar with the standard cutting surface. Therefore, the angle of the cut material and the diamond wire walking is automatically adjusted in a transposition mode according to the curve change of the profile, the direction of each cutting point of the diamond wire walking is consistent with the profile tangent direction at the position, and the cutting point 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 the theoretical cutting pattern is not matched with the actual cutting pattern due to the change of the wire bow of the diamond wire is solved, and the high-precision profile cutting of the diamond wire is realized.
It will be appreciated that in order to achieve planar movement as well as rotational movement, a planar power drive assembly and a rotary power drive assembly 2 may be provided on the carrier assembly 1 and/or the cutting assembly 5, respectively. As shown in fig. 4, fig. 4 is a schematic structural diagram of a wire 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 loading assembly 1; as shown in fig. 3, fig. 3 is a schematic structural diagram of a wire 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 loading 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 so as to move along an X axis and a Y axis, and the first direction driving assembly 3 and the second direction driving assembly 4 can be arranged on the cutting assembly 5 or the loading assembly 1; or in another embodiment, the first direction driving assembly 3 and the second direction driving assembly 4 are respectively arranged on the cutting assembly 5 and the loading assembly 1, and the specific arrangement mode is set according to the requirement, which is within the protection scope of the present application.
The first direction driving component 3 is composed of a driving servo motor, a ball screw and a linear guide rail. The main function of the device is to drive the loading platform to do precise reciprocating linear motion along the X axis. And the Y-axis linkage can make the material loading platform do accurate and controllable curvilinear motion. The second direction driving assembly 4 is composed of a driving servo motor, a ball screw and a linear guide rail. The main function of the device is to drive the material loading platform to do precise reciprocating linear motion along the Y axis. And the material loading platform can do accurate and controllable curvilinear motion by being linked with the X axis. The rotary power driving component 2 is composed of a driving servo motor, a coupler and a rotary bearing box. The main function is to drive the clamping device to rotate by a corresponding angle according to the angle of the cutting curve.
Rotating shafts are added to the X axis and the Y axis. During cutting, according to the curve change of the profile, the cutting tool or the cut material can automatically rotate 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 profile at the position, a fixed cutting line bow is maintained, and the direction and the size of the line bow are controllable.
The application further comprises an angle detection assembly which is respectively connected with the control assembly and the rotating shaft driving assembly and used for detecting the rotating angle of the cutting assembly 5. So as to be compared with the rotating angle of the rotating power piece and feed back to the control component for judgment and adjustment.
Simultaneously, this application still includes the line bow determine module, is located cutting subassembly 5, and the line bow determine module is connected with control assembly for the line bow value of real-time detection cutting subassembly 5 feeds back to control assembly, and control assembly is according to the speed of travel of the line bow value control cutting in-process that detects, and then adjusts the line bow value in real time and predetermines the line bow value and equal. In another embodiment, a wire 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 wire.
In a specific embodiment, the material is fed in a two-axis linkage manner, and a cutting mode of feeding the cutting tool in a two-axis linkage manner can also be adopted. The rotating shaft is established on a stage which holds the material to be cut. Before cutting, the size of the line bow, namely the deviation value between the theoretical position and the actual position of the diamond line, is set according to different material attributes. During cutting, when the X-axis and the Y-axis are in linkage feeding, the object carrying platform drives the cut materials to rotate for a certain angle according to a walking curve through an algorithm of a control program, so that the cutting direction of each point is consistent with the shape surface tangential direction of the position, the bending direction and the size of a 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 using a diamond wire to perform shape surface accurate cutting is achieved.
The device realizes three-axis motion, increases the motion of a rotating shaft compared with the prior art, and can adjust the feeding direction and angle of the diamond wire through three-axis linkage, so that the stress direction and the stress size of the cutting wire are always kept unchanged; the direction and the size of the diamond wire cutting line arch can be effectively controlled, and the direction and the size of the diamond wire arch cannot be effectively controlled by linear single-axis cutting and the traditional two-axis cross material loading platform processing technology; through the triaxial linkage, can effectively control the walking position of cutting wire, improve and feed the precision, realize the accurate shape face processing of material. The force direction and the size of the diamond wire are effectively controlled, the occurrence frequency of the problems of diamond wire breakage, diamond wire falling, excessive abrasion of a cutting guide wheel, accidental cutting and the like commonly existing in the traditional cutting technology can be reduced or even eliminated, the service life of each part is prolonged, and the use cost is reduced.
This application has realized carrying out the shape face cutting to buddha's warrior attendant line cutting line bow direction and size effectively control, can be more accurate, combines the efficient technical characteristic of diamond wire cutting again, can realize high-efficient, accurate numerical control shape face cutting. After the direction and the size of the diamond wire arch are effectively controlled, the problems of disordered walking, vibration and other ineffective cutting of the diamond wire in the cutting process can be effectively controlled, the section quality is improved, the self abrasion caused by the ineffective cutting of the diamond wire can be effectively reduced, the cutting efficiency is improved, the service life is prolonged, 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, wherein the processor implements the steps of the wire cutting control method of any one of the above embodiments when executing the computer program.
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 one of the above-described embodiments.
While the 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. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (11)
1. A wire-electrode cutting control method is characterized by comprising the following steps:
acquiring a preset path to be cut, wherein the preset path to be cut comprises a curve path;
respectively obtaining the tangent angle of a cutting point and the distance between the cutting point and a preset rotating shaft according to the preset path to be cut, and calculating to obtain the corresponding rotating angle of the preset rotating shaft of the cutting point in the preset path to be cut;
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 path to be cut and is coplanar with a standard cutting surface; and the standard cutting surface is a plane where the center line of the wheel groove of the cutting wheel is located.
2. The wire cutting control method according to claim 1, further comprising:
acquiring a preset wire bow value;
determining plane traveling information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset line bow value;
and controlling the cutting surface and/or the material to be cut to advance according to the plane advancing information.
3. The wire cutting control method according to claim 2, wherein after the control of 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;
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.
4. The wire-cut control method according to claim 2, wherein the planar traveling information includes X, Y-axis coordinates and a traveling speed of each cutting point in the preset path to be cut in a planar rectangular coordinate system.
5. The wire-cut control method according to claim 1, wherein the determining of the planar 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 further comprises:
and establishing a plane rectangular coordinate system by taking the preset rotating shaft as the origin of the coordinate system, wherein the plane rectangular coordinate system comprises an X axis and a Y axis.
6. A wire-cut control device, comprising:
the device comprises a preset path to be cut acquiring unit, a path processing unit and a path switching unit, wherein the preset path to be cut acquiring unit is used for acquiring a preset path to be cut, and the preset path to be cut comprises a curve path;
the rotation angle calculation unit of the preset rotating shaft is used for respectively obtaining the tangent angle of a cutting point and the distance between the cutting point and the preset rotating shaft according to the preset path to be cut and calculating to obtain the rotation angle of the preset rotating shaft corresponding to the cutting point in the preset path to be cut;
the angle rotation control unit is used for 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 path to be cut and is coplanar with a standard cutting surface; and the standard cutting surface is a plane where the center line of the wheel groove of the cutting wheel is located.
7. The wire electric discharge machine control device according to claim 6, characterized by further comprising:
the preset wire bow value acquisition unit is used for acquiring a preset wire bow value;
the plane traveling information determining unit is used for determining plane traveling information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset line bow value;
and the plane advancing control unit is used for controlling the advancing of the cutting surface and/or the material to be cut according to the plane advancing information.
8. The wire electric discharge machine according to claim 6, characterized by further comprising:
the real-time wire bow obtaining unit is used for obtaining a real-time wire bow value of the current cutting point;
the plane advancing information calibration unit is used for 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 triggering the plane advancing control unit to act;
and the plane advancing control unit is used for controlling the cutting point to advance according to the actual plane advancing information.
9. A wire cutting machine comprising the wire cutting control apparatus according to any one of claims 6 to 8.
10. An apparatus comprising a memory and a processor, and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the wire cutting control method according to any one of claims 1 to 5 when executing the computer program.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the wire cutting control method according to any one of claims 1 to 5.
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 true CN114985857A (en) | 2022-09-02 |
| CN114985857B CN114985857B (en) | 2024-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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