CN109732219A - A kind of rounded corner method and system of laser cutting - Google Patents
A kind of rounded corner method and system of laser cutting Download PDFInfo
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Abstract
The invention belongs to automation control areas, and in particular to a kind of rounded corner method and system of laser cutting.Whether the rounded corner method of the laser cutting, the track data including arranging laser cutting, selects two continuous straight path data, be zero to judge whether can to form corner angle progress rounded corner according to the vector product of two straight lines；And when corner angle can be formed by needing, according to the corresponding straight path data of acquisition, starting point coordinate, terminal point coordinate, radius and the circular arc direction of circular arc when calculating corner angle rounded corner, so that it is determined that the circular arc data of edges and corners rounded corner.Pass through the two straight path data obtained in system kernel, it can calculate, the circular arc data of modification and addition rounded corner, the mode that rounded corner is carried out in digital control system allows the realization of rounded corner function to become simple and reliable, and computational accuracy is higher, to meet laser processing client and tester to the relevant performance of rounded corner and technique requirement.
Description
Technical field
The invention belongs to automation control areas, and in particular to a kind of rounded corner method and system of laser cutting.
Background technique
In laser cutting process, the edges and corners of workpiece are often because lathe moves the vibration of generation at high speeds
And occur that corner angle are not sharp, the situation of corner angle Bian Buzhi, meanwhile, have down in some users use and operate for the corner angle of workpiece
The process requirements of fillet, and from the point of view of the effect of actual processing, rib is directly processed without using rounded corner using rounded corner ratio
Angle is well very much, and rounded corner can not only improve the machining accuracy to corner angle, reduces loss caused by machine tool motion vibration, also
It can satisfy the process requirements of client.
Has rounded corner function since the kinetic control system of laser cutting is substantially all not, at present to realization rounding
Angle generates NC code after substantially only carrying out round corner treatment using CAM software selection corner angle, then transfers to be cut by laser again
Controller is processed, this is complex when actually using and comparing workpiece, along with the performance of CAM software is different, is fallen
The precision of fillet is also inconsistent, and certain CAM softwares there is also the excessive problem of NC code coordinate deviation, and high-performance CAM
Cost can be improved again, so compatible difficult in rounded corner function to solve CAM software and kinetic control system, using cumbersome and
The problems such as high cost, needs to realize laser cutting rounded corner function using new method.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, a kind of laser cutting is provided
It is numerous to solve existing CAM software and kinetic control system compatible difficulty, use in rounded corner function for rounded corner method and system
The problems such as trivial and high cost.
To solve this technical problem, the present invention provides a kind of rounded corner method of laser cutting, comprising steps of
Step A, the track data for arranging laser cutting, selects two continuous straight path data, according to two straight lines
Vector product whether be zero to judge whether can to form corner angle and carry out rounded corner；And
Step B, when corner angle can be formed, according to the corresponding straight path data of acquisition, corner angle rounded corner is calculated
When circular arc starting point coordinate, terminal point coordinate, radius and circular arc direction, so that it is determined that the circular arc data of edges and corners rounded corner.
Further, the rounded corner method of the laser cutting further comprises the steps of:
Step C, the maximum of the maximum speed slowed down by comparing the maximum speed of linear accelerating, straight line, circular interpolation is inserted
The maximum speed for mending speed and lathe limitation, determines the rounding of two sections of direct joining places before and after rounded corner starting and terminal point and corner angle
Angle is connected speed.
Further, the rounded corner method of the laser cutting further comprises the steps of:
Step D, interpolator is connected speed progress moving interpolation according to the circular arc data and rounded corner of edges and corners rounded corner.
Further, the step A comprising steps of
Step A1, the track data of NC compiler is obtained；
Step A2, two continuous straight paths are selected；
Step A3, the vector product of the straight path selected in step A2 is calculated；If vector product is not zero, step B is jumped to；
If vector product is zero, step A2 is jumped to.
Further, in the step B calculate circular arc starting point coordinate and terminal point coordinate comprising steps of
Step B11: the length of two straight paths of the composition corner angle selected in obtaining step A2 presets two straight line rails
Mark intersection point is to the length of circular arc starting point and two straight path intersection points to the length of circular arc terminal；
Step B12: the starting point coordinate and terminal point coordinate of two straight paths of corner angle are formed in obtaining step A3 respectively；
Step B13: according to parallel vector coordinate and length in relationship in proportion, the coordinate and circle of circular arc starting point are calculated
The coordinate of arc terminal.
Further, in the step B calculate center coordinate of arc comprising steps of
Step B21: the starting point coordinate and terminal point coordinate of circular arc in obtaining step B13；
Step B22: the intersecting point coordinate of two straight paths of corner angle is formed in obtaining step A3；
Step B23: according to circular arc and the tangent characteristic of straight line it is found that circular arc starting point to two straight path intersection points line with
The line of the center of circle to circular arc starting point is vertical, and the line of circular arc terminal to two straight-line intersections and the line of the center of circle to circular arc terminal hang down
Directly；Scalar product by two vertical vectors is zero, can calculate central coordinate of circle.
Further, in the step B calculate circular arc radius comprising steps of
Step B31: obtaining step B13, the starting point coordinate of circular arc and the central coordinate of circle of circular arc in step B23, pass through circular arc
Starting point coordinate and central coordinate of circle calculate circular arc radius；
Or step B32: obtaining step B13, the terminal point coordinate of circular arc and the central coordinate of circle of circular arc in step B23, pass through circle
The terminal point coordinate and central coordinate of circle of arc calculate the radius of circular arc.
Further, in the step B circular arc direction comprising steps of
Step B41: defining ret is the vector product for forming two straight paths of corner angle, and defines two straight path groups
At plane in, ret is positive upwards；According in right-hand screw rule and step A3 two rectilinear orbit vector product ret it is big
It is small, determine circular arc direction；
Step B42: as ret ﹥ 0, circular arc direction is counterclockwise；As ret ﹤ 0, circular arc direction is clockwise.
Further, the step C includes:
Step C1: the maximum speed of linear accelerating, the maximum speed that straight line slows down, the maximum interpolation speed of circular interpolation are obtained
Degree and the maximum speed of lathe limitation；
Step C2: the size of each speed in comparison step C1 is minimized and is connected speed for joining place speed rounded corner.
The present invention also provides a kind of rounded corner systems of laser cutting, comprising:
Corner angle chosen module obtains the straight line rail that two continuous vector products are not zero for arranging straight path data
Mark forms corner angle；
Circular arc computing module, the starting point coordinate of circular arc, terminal point coordinate, central coordinate of circle, half when for calculating corner angle rounded corner
Diameter, circular arc direction, to determine the circular arc data of edges and corners rounded corner；
It is connected speed calculation module, for comparing the maximum speed of linear accelerating, the maximum speed that straight line slows down, circular arc is inserted
The maximum speed of maximum interpolation rate and the lathe limitation of benefit, determines that rounded corner terminus is connected with two sections of straight lines before and after corner angle
The rounded corner at place is connected speed；
Interpolator module carries out interpolation fortune for being connected speed according to the circular arc data and rounded corner of edges and corners rounded corner
It is dynamic.
The beneficial effects of the present invention are compared with prior art, the present invention in system kernel by obtaining to fall
Two straight path data of fillet can calculate, the circular arc data of modification and addition rounded corner, this directly in digital control system
The mode for carrying out rounded corner to selected corner angle allows the realization of rounded corner function to become simple and reliable, and computational accuracy is also than passing through
It is higher that CAM processing generates the rounded corner that NC code is realized, so that it is related to rounded corner to tester to meet laser processing client
Performance and technique requirement.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the flow chart for the rounded corner method that the present invention is cut by laser；
Fig. 2 is the flow chart of step S100 of the present invention；
Fig. 3 is the flow chart of starting point coordinate and terminal point coordinate step that the present invention calculates circular arc；
Fig. 4 is rounded corner schematic diagram of the present invention；
Fig. 5 is the flow chart that the present invention calculates center coordinate of arc step；
Fig. 6 is the flow chart that the present invention calculates circular arc direction step；
Fig. 7 is the schematic diagram of vector product of the present invention；
Fig. 8 is the flow chart of step S300 of the present invention；
Fig. 9 is specific flow chart of the embodiment of the present invention.
Specific embodiment
The present invention provides a kind of rounded corner method and system of laser cutting, for make the purpose of the present invention, technical solution and
Effect is clearer, clear, and the present invention is described in more detail referring to the drawings.It should be appreciated that tool described herein
Body embodiment is only used to explain the present invention, is not intended to limit the present invention.
Referring to Figure 1, Fig. 1 is the flow chart of the rounded corner method for the laser cutting that present pre-ferred embodiments provide.Fig. 1
Shown in a kind of rounded corner method of laser cutting, which is characterized in that comprising steps of
Step S100, the track data for arranging laser cutting, selects two continuous straight path data, straight according to two
Whether the vector product of line is zero to judge whether can to form corner angle and carry out rounded corner；And
Step S200, when corner angle can be formed, according to the corresponding straight path data of acquisition, corner angle rounding is calculated
Starting point coordinate, terminal point coordinate, radius and the circular arc direction of circular arc when angle, so that it is determined that the circular arc data of edges and corners rounded corner.
The present invention by obtained in system kernel can be calculated with two straight path data of rounded corner, modify and
The circular arc data of rounded corner are added, this mode for carrying out rounded corner to selected corner angle directly in digital control system allows rounded corner function
The realization of energy becomes simple and reliable, and rounded corner of the computational accuracy also than handling generation NC code realization by CAM is higher, thus
Meet laser processing client and tester to the relevant performance of rounded corner and technique requirement.
Further, referring to Figure 1, the rounded corner method of the laser cutting further comprises the steps of:
Step S300, the maximum speed slowed down by comparing the maximum speed of linear accelerating, straight line, the maximum of circular interpolation
Interpolation rate and the maximum speed of lathe limitation, determine before and after rounded corner starting and terminal point and corner angle two sections of direct joining places
Fillet is connected speed.
Maximum speed of the present invention by comparing linear accelerating, the maximum of the maximum speed that straight line slows down, circular interpolation are inserted
The maximum speed for mending speed and lathe limitation, determines the rounding of two sections of direct joining places before and after rounded corner starting and terminal point and corner angle
Angle is connected speed, can effectively improve the stability of lathe, guarantees the fluency of whole process, reduces because speed switches
Caused lathe vibration, improves working efficiency.
Further, referring to Figure 1, the rounded corner method of the laser cutting further comprises the steps of:
Step S400, interpolator is connected speed progress interpolation fortune according to the circular arc data and rounded corner of edges and corners rounded corner
It is dynamic.
In the present embodiment, after interpolator obtains circular arc data and rounded corner linking speed, inserting for rounded corner can be carried out
Movement is mended, entire Interpolation Process is stablized, and work efficiency is high, and processing effect is good.
Further, refer to Fig. 2, the step S100 comprising steps of
Step S110, the track data of NC compiler is obtained；
Step S120, two continuous straight paths are selected；
Step S130, the vector product of the straight path selected in step S120 is calculated；If vector product is not zero, step is jumped to
Rapid S200；If vector product is zero, step S120 is jumped to.
In this implementation, step S100 is the step of screening corner angle, by calculating the vector product of two straight paths, can to sentence
Whether disconnected two straight lines can make up corner angle and carry out the movement of rounded corner；If corner angle can not be formed, that is, return to step S120 weight
Straight path newly is selected, until selecting suitable straight path data composition corner angle.This step can carry out rib by machine
The screening at angle can effectively improve working efficiency without manually being screened.
Further, Fig. 3 is referred to, the starting point coordinate and terminal point coordinate that circular arc is calculated in the step S200 include step
It is rapid:
Step S211: the length of two straight paths of the composition corner angle selected in obtaining step S120 presets two directly
Line tracking intersection point is to the length of circular arc starting point and two straight path intersection points to the length of circular arc terminal；
Step S212: the starting point coordinate and terminal for forming two straight paths of corner angle in obtaining step S130 respectively are sat
Mark；
Step S213: according to parallel vector coordinate and length in relationship in proportion, calculate circular arc starting point coordinate and
The coordinate of circular arc terminal.
As shown in figure 4, the two lines section of definition composition corner angle is P in the present embodiment1P2And P2P3, intersection point is P2, edges and corners
The circle of circular arc is C0, starting point is P4, terminal is P5.The starting point P of the circular arc4, circular arc terminal P5Respectively line segment P1P2And P2P3
On a point.According to the geometrically symmetric feature of circular arc, P4P2And P2P5Length be it is equal, in the present embodiment, in known line
Section is P1P2And P2P3Beginning and end, while P4P2Length set by external user in the case where, sat by parallel vector
Mark, in relationship in proportion, can calculate P with length4And P5Coordinate.Calculation formula is as follows:
Or
Wherein, λ is configured by user, line segment P1P2Beginning and end be all datum, starting point P can be calculated4's
Coordinate；Similarly, P can also be calculated5Coordinate.In the present embodiment, the big of parameter lambda can be arranged according to actual production demand in user
It is small, i.e. setting line segment P4P2And P2P5Length, be completed at the same time the adjustment to the radius size of circular arc, the bigger (λ of λ2Value cannot
Greater than 1), line segment P4P2And P2P5Length it is longer, the radius of circular arc is bigger.
It should be noted that there is no to P in the present embodiment1P2And P2P3Length limited, P in figure1P2And P2P3
Equal length not limit its equal length, reality production in, P1P2And P2P3Length can identical or not phase
Together, the progress of rounded corner work is had no effect on.
Further, refer to Fig. 5, calculate center coordinate of arc in the step S200 comprising steps of
Step S221: the starting point coordinate and terminal point coordinate of circular arc in obtaining step S213；
Step S222: the intersecting point coordinate of two straight paths of corner angle is formed in obtaining step S130；
Step S223: according to circular arc and the tangent characteristic of straight line it is found that circular arc starting point to two straight path intersection points line
Vertical with the line of the center of circle to circular arc starting point, the line of circular arc terminal to two straight-line intersections and the line of the center of circle to circular arc terminal hang down
Directly；Scalar product by two vertical vectors is zero, calculates central coordinate of circle.
Calculation formula is as follows:
In the step S200 calculate circular arc radius comprising steps of
Step S231: obtaining step S213, the starting point coordinate of circular arc and the central coordinate of circle of circular arc in step S223, pass through circle
The starting point coordinate and central coordinate of circle of arc calculate the radius of circular arc；
Or step S232: obtaining step S213, the terminal point coordinate of circular arc and the central coordinate of circle of circular arc in step S223, pass through
The terminal point coordinate and central coordinate of circle of circular arc calculate the radius of circular arc.
In this implementation, it can be calculated by the starting point coordinate and central coordinate of circle of the circular arc calculated in step S213, step S223
The radius of circular arc can also calculate the radius of circular arc by the terminal point coordinate and central coordinate of circle of circular arc.
Further, refer to Fig. 6, calculate circular arc direction in the step S200 comprising steps of
Step S241: defining ret is the vector product for forming two straight paths of corner angle, and defines two straight path groups
At plane in, ret is positive upwards；According in right-hand screw rule and step A3 two rectilinear orbit vector product ret it is big
It is small, determine circular arc direction；
Step S242: as ret ﹥ 0, circular arc direction is counterclockwise；As ret ﹤ 0, circular arc direction is clockwise.
In the present embodiment, the standard circular arc of rounded corner it is last it needs to be determined that be exactly the circular arc direction, clockwise still
Counterclockwise.In the present invention, determine that method that circular arc direction uses is the vector product method of vector, it is main when with vector product
It is the physical significance i.e. torque for having used vector product, determines circular arc direction further according to vector product size and right-hand screw rule, this
It is also heavy difficult point of the invention.
As shown in fig. 7, defining ret is vector P4P2And P2P5Vector product, it is specified that in plane P4P2P5In, ret is upwards
Just, so when the value of ret is greater than 0, according to right-hand screw rule, it can be deduced that P4P2It is according to counterclockwise to P2P5Rotation, institute
If in P4P2P5The circular arc of middle insertion should be G03 counterclockwise and (be represented clockwise in NC code with G02, G03 represents the inverse time
Needle)；When ret is less than 0, circular arc is G02 clockwise；Formula is as follows:
Further, Fig. 8 is referred to, the step S300 includes:
Step S310: the maximum speed of linear accelerating, the maximum speed that straight line slows down, the maximum interpolation of circular interpolation are obtained
Speed and the maximum speed of lathe limitation；
Step S320: the size of each speed in comparison step S310 is minimized and is connected speed for rounded corner.
In the present embodiment, the calculation formula of shown rounded corner linking speed is as follows:
Wherein, TurningVel is joining place speed, VaccFor the maximum speed of linear accelerating, VdecSlow down most for straight line
Big speed；For the maximum interpolation rate of circular interpolation, R is arc radius, and e is that the bow in circular interpolation is high
Error (is arranged) by lathe parameter, can be calculated according to the high error (i.e. the interpolation precision of circular arc) of bow attainable in circular interpolation
Maximum speed；VmaxFor the maximum speed of lathe limitation.The maximum speed slowed down by comparing the maximum speed of linear accelerating, straight line
The maximum speed that degree, the maximum interpolation rate of circular interpolation, lathe limit therefrom selects minimum value as rounded corner and is connected speed
Degree.That is in practical moving interpolation, if not limiting joining place speed, will be 0 in the speed of joining place, will lead to machine in this way
Lathe shakes when bed high-speed motion, keeps entire motion process not smooth, reduces efficiency.It, can now by increasing the speed of joining place
Effectively to improve the stability of lathe, keeps process smooth, improve working efficiency.
The present invention also provides a kind of rounded corner systems of laser cutting, comprising:
Corner angle chosen module obtains the straight line rail that two continuous vector products are not zero for arranging straight path data
Mark forms corner angle；
Circular arc computing module, the starting point coordinate of circular arc, terminal point coordinate, central coordinate of circle, half when for calculating corner angle rounded corner
Diameter, circular arc direction, to determine the circular arc data of edges and corners rounded corner；
It is connected speed calculation module, for comparing the maximum speed of linear accelerating, the maximum speed that straight line slows down, circular arc is inserted
The maximum speed of maximum interpolation rate and the lathe limitation of benefit, determines that rounded corner terminus is connected with two sections of straight lines before and after corner angle
The rounded corner at place is connected speed；
Interpolator module carries out interpolation fortune for being connected speed according to the circular arc data and rounded corner of edges and corners rounded corner
It is dynamic.
A kind of rounded corner system of laser cutting through the invention, can be without using CAM in digital control system kernel
Realize rounded corner function, after the corner angle that suitable straight path forms corner angle are selected by corner angle chosen module, circular arc calculates mould
Block and linking speed calculation module calculate circular arc data and linking speed, then the movement of rounded corner is carried out by interpolator module.
Further, Fig. 9 is referred to, detailed process of the embodiment of the present invention:
Before this by passing track data under NC compiler to prediction buffer queue；
Judgement is whether that track data can also be received, if then judging whether track data is more than prediction buffer memory limit
System screens corner angle rail if otherwise traversing track data, and mark is inserted into rounded corner circular arc for corner angle；
Judge whether track data is more than prediction buffer memory limitation, if passing track data under then being continued by NC compiler
To prediction buffer queue；If then traversing track data, corner angle rail is screened, mark is inserted into rounded corner circular arc for corner angle；
Judge whether that traverse track data compares calculating and fill rank if then traversing the track data after rounded corner
Connect speed；If otherwise continuing to traverse track data, corner angle rail is screened, mark is inserted into rounded corner circular arc for corner angle；
Judge whether to have traversed, if new track queue is then output to interpolator；If otherwise continue traverse rounded corner it
Track data afterwards compares calculating and fills linking speed.
Using the rounded corner system of laser cutting of the invention, rounded corner can be directly realized by laser cutting CNC system
Function is not only simplified using CAM operation, and rounding angular accuracy is higher；Modification fillet size also becomes very convenient, only needs
The size for changing λ value, can modify, in addition, fillet, which is arranged after very little, can draw meat in the range that precision allows
The sightless rounded corner of eye, but the stability and fluency of machine tool motion can be largely promoted, even if cutting workpiece
Corner angle substantially increase cutting efficiency, while also client being facilitated simply to modify rounding in real time it is also ensured that higher precision
Angle size realizes rounded corner function, meets the demand of client, kill two birds with one stone.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
Any modification made all within the spirits and principles of the present invention, equivalent replacement, improve etc., it should be included in guarantor of the invention
It protects in range.
Claims (10)
1. a kind of rounded corner method of laser cutting, which is characterized in that comprising steps of
Step A, the track data for arranging laser cutting, select two continuous straight path data, according to two straight lines to
Whether amount product is zero to judge whether can to form corner angle and carry out rounded corner；And
Step B, when corner angle can be formed, according to the corresponding straight path data of acquisition, when calculating corner angle rounded corner
Starting point coordinate, terminal point coordinate, radius and the circular arc direction of circular arc, so that it is determined that the circular arc data of edges and corners rounded corner.
2. the rounded corner method of laser cutting according to claim 1, which is characterized in that the rounded corner of the laser cutting
Method further comprises the steps of:
Step C, the maximum speed slowed down by comparing the maximum speed of linear accelerating, straight line, the maximum interpolation speed of circular interpolation
Degree and the maximum speed of lathe limitation determine the rounded corner rank of two sections of direct joining places before and after rounded corner starting and terminal point and corner angle
Connect speed.
3. the rounded corner method of laser cutting according to claim 2, which is characterized in that the rounded corner of the laser cutting
Method further comprises the steps of:
Step D, interpolator is connected speed progress moving interpolation according to the circular arc data and rounded corner of edges and corners rounded corner.
4. the rounded corner method of laser cutting according to claim 1, which is characterized in that the step A comprising steps of
Step A1, the track data of NC compiler is obtained；
Step A2, two continuous straight paths are selected；
Step A3, the vector product of the straight path of A2 selection in step is calculated；If vector product is not zero, step B is jumped to；If to
Measuring product is zero, then jumps to step A2.
5. the rounded corner method of laser cutting according to claim 4, which is characterized in that calculate circular arc in the step B
Starting point coordinate and terminal point coordinate comprising steps of
Step B11: the length of two straight paths of the composition corner angle selected in obtaining step A2 is preset two straight paths and is handed over
Point to circular arc starting point length and two straight path intersection points to circular arc terminal length；
Step B12: the starting point coordinate and terminal point coordinate of two straight paths of corner angle are formed in obtaining step A3 respectively；
Step B13: according to parallel vector coordinate and length in relationship in proportion, coordinate and the circular arc for calculating circular arc starting point are whole
The coordinate of point.
6. the rounded corner method of laser cutting according to claim 5, which is characterized in that calculate circular arc in the step B
Central coordinate of circle comprising steps of
Step B21: the starting point coordinate and terminal point coordinate of circular arc in obtaining step B13；
Step B22: the intersecting point coordinate of two straight paths of corner angle is formed in obtaining step A3；
Step B23: according to circular arc and the tangent characteristic of straight line it is found that line and the center of circle of the circular arc starting point to two straight path intersection points
Line to circular arc starting point is vertical, and the line of circular arc terminal to two straight-line intersections is vertical with the line of the center of circle to circular arc terminal；By
The scalar product of two vertical vectors is zero, can calculate central coordinate of circle.
7. the rounded corner method of laser cutting according to claim 6, which is characterized in that calculate circular arc in the step B
Radius comprising steps of
Step B31: obtaining step B13, the starting point coordinate of circular arc and the central coordinate of circle of circular arc in step B23 pass through rising for circular arc
Point coordinate and central coordinate of circle calculate the radius of circular arc；
Or step B32: obtaining step B13, the terminal point coordinate of circular arc and the central coordinate of circle of circular arc in step B23, pass through circular arc
Terminal point coordinate and central coordinate of circle calculate the radius of circular arc.
8. the rounded corner method of laser cutting according to claim 4, which is characterized in that circular arc direction in the step B
Comprising steps of
Step B41: defining ret is the vector product for forming two straight paths of corner angle, and defines two straight path compositions
In plane, ret is positive upwards；According to the size of two rectilinear orbit vector product ret in right-hand screw rule and step A3,
Determine circular arc direction；
Step B42: as ret ﹥ 0, circular arc direction is counterclockwise；As ret ﹤ 0, circular arc direction is clockwise.
9. the rounded corner method of laser cutting according to claim 2, which is characterized in that the step C includes:
Step C1: obtaining the maximum speed of linear accelerating, the maximum speed that straight line slows down, the maximum interpolation rate of circular interpolation with
And the maximum speed of lathe limitation；
Step C2: the size of each speed in comparison step C1 is minimized and is connected speed for rounded corner.
10. a kind of rounded corner system of laser cutting characterized by comprising
Corner angle chosen module obtains the straight path group that two continuous vector products are not zero for arranging straight path data
At corner angle；
Circular arc computing module, the starting point coordinate of circular arc, terminal point coordinate, central coordinate of circle, radius, circle when for calculating corner angle rounded corner
Arc direction, to determine the circular arc data of edges and corners rounded corner；
It is connected speed calculation module, for comparing the maximum speed of linear accelerating, the maximum speed that straight line slows down, circular interpolation
Maximum interpolation rate and the maximum speed of lathe limitation determine rounded corner terminus and two sections of front and back of corner angle straight line joining place
Rounded corner is connected speed；
Interpolator module carries out moving interpolation for being connected speed according to the circular arc data and rounded corner of edges and corners rounded corner.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604605A (en) * | 2020-04-10 | 2020-09-01 | 苏州普热斯勒先进成型技术有限公司 | Plane cutting path generation method and cutting system using same |
| CN113268067A (en) * | 2021-07-20 | 2021-08-17 | 苏州大学 | Tracking method and device of self-moving equipment |
| CN114063556A (en) * | 2020-08-06 | 2022-02-18 | 大族激光科技产业集团股份有限公司 | Corner self-adaptive rounding method for laser cutting |
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| CN113268067A (en) * | 2021-07-20 | 2021-08-17 | 苏州大学 | Tracking method and device of self-moving equipment |
| CN113268067B (en) * | 2021-07-20 | 2022-07-05 | 苏州大学 | Tracking method and device of self-moving equipment |
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