CN108453377A - A kind of cutting mark effect optimization method of laser equipment arc to interface - Google Patents
A kind of cutting mark effect optimization method of laser equipment arc to interface Download PDFInfo
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- CN108453377A CN108453377A CN201810401574.8A CN201810401574A CN108453377A CN 108453377 A CN108453377 A CN 108453377A CN 201810401574 A CN201810401574 A CN 201810401574A CN 108453377 A CN108453377 A CN 108453377A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
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- Laser Beam Processing (AREA)
Abstract
The present invention provides a kind of laser equipment arcs to the cutting mark effect optimization method of interface, includes the following steps, presets, draws required arc or circle in advance in the controls；Positioning, movable scan head keep the working focal distance of laser corresponding with start position；Operation starts laser, generates work light, and the work light cut according to the shape drawn in advance in step 1, mark；Optimization, arc or round mark since start position, to final position after turn off laser, so that probe is continued sky in the state of closing work light in laser and walk a distance, arrival optimizes position；Cycle, probe after sky walks a distance, move to the start position of next arc or circular arc, carry out the work of next cycle by the instruction of the continuous cutting, mark that are sent out according to control system；Sealing cannot be closed and occur the defects of crooked or overlapping when solving laser to circular arc cutting or mark.
Description
Technical field
The present invention relates to laser equipment mark, cutting technique field, more particularly to a kind of laser equipment arc is to interface
Cut mark effect optimization method.
Background technology
Laser marking machine is processed by focusing on the mode of minimum luminous point, high energy density.Laser marking
In marking cutting field, advantage has obtained adequately showing machine, not only environmentally friendly but also beautiful instead of many traditional inkjet printings
It sees.But it is similar that laser marking machine needs marking to go out in mark on some arc machined objects such as cup, LED light, metal ring
Often there is arc envelope when being particularly at high speed arc mark state, Marking parameters dimensional accuracy less than 1mm in the shape of arc
The phenomenon that mouth is undesirable, some pictographs misplace.
It is primarily present following phenomenon：
Arc marking path from the off, is terminated to terminal, and arc keeps round and smooth beauty.But due to zequin
With the deviation etc. that the algorithm of terminal is defective, machined article high speed rotation generates, arc marking path beginning and end cannot
Completely overlapped, there are gaps etc..Usually there are four types of concrete conditions:
1, it seals not tight：The beginning and end that arc marking should be overlapped cannot be completely overlapped, leaves one section of below standard area
Domain.Beauty is influenced, effect is undesirable.
2, it is staggered：Arc marking path termination is outwardly or inwardly deviated compared with point, departing from normal track, causes mistake
It opens, cannot align, form a gap split.Beauty is influenced, effect is undesirable.
3, point is repeated：Normal end position, this section of circular arc path are missed along mark path in arc marking path termination position
Because mark is twice, color can deepen, and cause deep mixed mark effect.
4, non-round, deformation：Arc marking path generates phenomena such as distorting, flatten, elongating, stretching, and influences beauty, effect is not
It is ideal.
And the reason of causing prior art defect, is as follows,
1, the error that the high-speed motion of hardware device generates：The reason of generation error, is in the high-speed motion of hardware device：
The axle center of laser marking machine rotary table and the axle center of laser marking machine galvanometer are misaligned, the precision of motor.
If the two axle center cannot overlap, it will necessarily make machining path during laser marking because rotation is led
It causes position to offset, therefore inconsistent phenomenon occurs.
The precision of motor is low or manufacture motor process is defective, can cause under identical pulse, motor rotation angle is not
Same, rotation is neglected slow etc. soon suddenly.
2, the calculating error of track is controlled：Existing laser marking device is the requirement for reaching high-precision mark, laser point
Away from generally within the scope of 0.010~0.020mm.So under the present situation that marking machine hardware components are mature on the whole, in control system
Calculating routing algorithm become influence mark quality a crucial factor, the not perfect meeting of calculating routing algorithm of control system
Phenomena such as directly resulting in the deformation of arc.
3, error caused by the setting of parameter：It opens the light delay, closes light delay, the setting of the parameters such as speed is improper, direct shadow
Ring the mark effect at camber.
Invention content
The present invention makes in view of the above problems, by optimizing the working method of laser equipment, solves existing ask
Topic includes the following steps specifically, providing a kind of laser equipment arc to the cutting mark effect optimization method of interface,
Step 1 is preset, and draws required arc or circle in advance in the controls；
Step 2, positioning, movable scan head keep the working focal distance of laser corresponding with start position；
Step 3, operation, start laser, generate work light, and the work light according to drawing in advance in step 1
Shape cut, mark；
Step 4, optimization, arc or round mark since start position, to final position after turn off laser, make scanning
Head continues sky in laser in the state of closing work light and walks a distance, reaches optimization position；
Step 5, cycle, probe is after sky walks a distance, the continuous cutting that is sent out according to control system, mark
Instruction moves to the start position of next arc or circular arc, carries out the work of next cycle；
The running orbit beginning and end for the work light that the laser projects is misaligned, and it is superfluous to generate one section of track
It is remaining, reach effect of optimization.
Preferably, in the step 1, after required figure is drawn in the control system, control system completes starting point
Position, final position, the calculating for optimizing position and required arc or circular center position coordinate, and according to operating personnel
Input to required figure quantity show that multiple required figures after the coordinate of the arrangement position of platform, enter step 2.
Specifically, above-mentioned steps have a great improvement to the operation for being carried out continuously in cutting, mark, and first, hardware is set
The error that standby high-speed motion generates, when optimizing step, working beam is closed from final position, and probe is smooth
Be transitioned into optimization position, second, avoid the calculating error of control track, position optimized by setting, making to work continuously will not
It generates the track caused by probe moves and the defect of error occurs, third avoids error caused by the setting of parameter, continuous
It cuts, in the operation of mark, whole operation quality can also be influenced by switching the parameter of work light, and the setting for optimizing position is protected
Demonstrate,proved between working continuously can accurately transition, and the seamlessly transitting to optimization position by final position can make equipment exist
During continuous cutting, mark, each being consistent property of predetermined shape and precisely.
Preferably, the arc length distance between the optimization position and final position is between 1mm~10mm.
Specifically, the distance of above-mentioned arc length is optimal distance, it on the one hand ensure that this can be accurately apart from lower probe
Mobile, on the other hand, the probe movement loss that the arc length between the optimization position and final position is brought is minimum, can be neglected
Slightly disregard, the overall operation time will not be increased because increasing probe displacement distance.
Preferably, the coordinate calculation formula of the arc or round upper any point is,
X1=x0+r*cos (π/180 a*)
Y1=y0+r*sin (π/180 a*)；
Optimization position and the final position to the angle formula of central angle be,
A=l/ (π × r/180).
Specifically, the optimization position in above-mentioned formula, ensure that probe can be along final position by equipment movement
Inertia continues to move to, and avoids since emergency stop generates shake of smiling, and leads to the deformation or jagged of figure final position, closing is not
The defects of tight, maintains the natural transition in final position by inertia, and the optimization position on the coordinate is best position, in addition,
Optimizing position also has the possibility for realizing optimization function not on the coordinate.
The present invention also provides a kind of laser equipment arcs to the cutting mark effect optimization method of interface, including following step
Suddenly,
Step 1 is preset, and draws required arc or circle in advance in the controls；
Step 2, positioning, movable scan head keep the working focal distance of laser corresponding with position is walked in advance；
Step 3 is walked, movable scan head in advance, makes probe under the premise of laser does not generate work light, and work is burnt
Away from from advance walk position be moved to start position；
Step 4, operation, start laser, generate work light, and the work light according to drawing in advance in step 1
Shape cut, mark；
Step 5, optimization, arc or round cutting, mark since start position, to final position after turn off laser,
So that probe is continued sky in the state that laser closes work light and walk a distance, reaches optimization position；
Step 6, cycle, probe is after sky walks a distance, the continuous cutting that is sent out according to control system, mark
Instruction, to next arc or circular arc it is pre- walk position move, carry out the work of next cycle；
The running orbit beginning and end for the work light that the laser projects is misaligned, and it is superfluous to generate one section of track
It is remaining, reach effect of optimization.
Preferably, in the step 1, after required figure is drawn in the control system, control system completion is walked in advance
Position start position, final position, optimizes the calculating of position and required arc or circular center position coordinate, and presses
Input according to operating personnel to required figure quantity show that multiple required figures after the coordinate of the arrangement position of platform, enter
Step 2.
Specifically, above-mentioned steps have a great improvement to the operation for being carried out continuously in cutting, mark, and first, hardware is set
The error that standby high-speed motion generates, when optimizing step, working beam is closed from final position, and probe is smooth
Be transitioned into optimization position, second, avoid the calculating error of control track, position optimized by setting, making to work continuously will not
It generates the track caused by probe moves and the defect of error occurs, third avoids error caused by the setting of parameter, continuous
It cuts, in the operation of mark, whole operation quality can also be influenced by switching the parameter of work light, and the setting for optimizing position is protected
Demonstrate,proved between working continuously can accurately transition, and the seamlessly transitting to optimization position by final position can make equipment exist
During continuous cutting, mark, each being consistent property of predetermined shape and precisely.
Preferably, described pre- to walk setting in the extended line of arc of the start position far from final position side or circular
On circumference；
The optimization position is located on extended line or the circular circumference of arc of the final position far from start position side.
Preferably, the coordinate calculation formula of the arc or round upper any point is,
X1=x0+r*cos (π/180 a*)
Y1=y0+r*sin (π/180 a*)；
It is described it is pre- walk position, optimization position respectively with start position, final position to the angle formula of central angle be,
A=L/ (π × r/180).
Specifically, in above-mentioned formula it is pre- walk position, ensure that probe can along walk in advance horizontalization cunning be transitioned into
Point position, can be during continuous cutting, mark, and smooth is transitioned into another figure by a figure, avoids because of equipment
Movement and stopping cause initial position crooked phenomenon occur, and optimize position ensure that probe can along final position according to
Inertia by equipment movement continues to move to, and avoids since emergency stop generates shake of smiling, causes figure final position to deform, or have
The defects of notch, closing is not tight, the natural transition in final position is maintained by inertia, the optimization position on the coordinate is best
Position, in addition, optimization position also has the possibility for realizing optimization function not on the coordinate.
Preferably, it is described it is pre- walk arc length distance between position and start position between 1mm~10mm；
Arc length distance between the optimization position and final position is between 1mm~10mm.
Preferably, it is described it is pre- walk between position and start position arc length distance be 5mm；
Arc length distance between the optimization position and final position is 5mm.
Specifically, above-mentioned distance ensure that optimum distance when equipment uses prioritization scheme, it, can be to even in the distance
The figure of continuous operation completes optimization, avoids defect, and do not interfere with the whole activity duration, has reached the not only accurate but also mesh of efficiency
's.
Advantageous effect
Above-mentioned optimization method can solve the defect of the prior art so that laser marking machine is in cup, LED light, metal
On some arc machined objects such as annulus when mark, be particularly at high speed arc mark state, Marking parameters dimensional accuracy is less than
Be not in the phenomenon that arc sealing is undesirable, some pictographs misplace when 1mm.
Description of the drawings
Fig. 1 is to indicate that the cutting beginning and end sealing of mark in the prior art does not cause showing for one section of non-mark cutting area tightly
It is intended to.
Fig. 2 is the schematic diagram for indicating the cutting beginning and end of mark in the prior art outer offset respectively inwards.
Fig. 3 is to indicate that the cutting beginning and end of mark in the prior art overlaps the schematic diagram duplicated a little.
Fig. 4 is to indicate that the arc marking path of the cutting of mark in the prior art generates distortion.Flatten the schematic diagram of phenomenon.
Fig. 5 is the mark cutting effect schematic diagram by optimization for indicating embodiment.
Fig. 6 is the coordinate diagram for indicating the angles a in embodiment 1 and embodiment 2.
Fig. 7 is the schematic diagram for indicating optimal way in embodiment 1.
Fig. 8 is the schematic diagram for indicating optimal way in embodiment 2.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings：
Embodiment
Present embodiments provide a kind of cutting mark effect optimization method of laser equipment arc to interface, including following step
Suddenly,
Step 1 is preset, and draws required circle in advance in the controls；
In the step 1, after required circle is drawn in the control system, control system completes start position, end
The calculating of point position, optimization position and required circular center position coordinate, and according to operating personnel to required figure number
The input of amount show that multiple required figures after the coordinate of the arrangement position of platform, enter step 2.
Step 2, positioning, movable scan head keep the working focal distance of laser corresponding with start position；
In the step 2, working focal distance be laser generate laser beam be at a distance from surface of material cutting, mark away from
From.
Step 3, operation, start laser, generate work light, and the work light according to drawing in advance in step 1
Shape cut, mark；
The work light is the laser beam that laser generates, which reaches surface of material and cut, the mark object
The focal length of material is working focal distance.
Step 4, optimization, round mark since start position, to final position after turn off laser, make probe swash
Light device continues sky in the state of closing work light and walks a distance, reaches optimization position；
Arc length distance between the optimization position and final position is 5mm.
The coordinate calculation formula of any point is in the circle,
X1=x0+r*cos (π/180 a*)
Y1=y0+r*sin (π/180 a*)；
Wherein, x1, y1 are the coordinate of round upper any point, and x0, y0 are the circular dot coordinate, and r is radius, and a is angle
Degree, as shown in fig. 6,
Dot coordinate x0, y0 it is known that radius r it is known that so according to following formula, you can obtain the numerical value of a.
Optimization position and the final position to the angle formula of central angle be,
A=l/ (π × r/180).Wherein, l is arc length.
For example, we set this section of arc length as 5mm, that is, the arc length of final position to optimization position is 5mm, and r is set as
100mm, then according to formula above, can show that Shu a Shu are 2.86 °, as shown in fig. 7,
The central angle of final position and optimization position is 2.86 °, then in reference axis ,-a is final position to optimization position
When the arc length set is 5mm, angle that probe sky is walked.
Step 5, cycle, probe is after sky walks a distance, the continuous cutting that is sent out according to control system, mark
Instruction moves to the start position of next arc or circular arc, carries out the work of next cycle；
The running orbit beginning and end for the work light that the laser projects is misaligned, and it is superfluous to generate one section of track
It is remaining, reach effect of optimization.
Embodiment 2
Present embodiments provide a kind of cutting mark effect optimization method of laser equipment arc to interface, including following step
Suddenly,
Step 1 is preset, and draws required circle in advance in the controls；
In the step 1, after required figure is drawn in the control system, control system is completed to walk position in advance, be risen
Point position, final position, the calculating for optimizing position and required circular center position coordinate, and according to operating personnel to institute
The input for needing figure quantity show that multiple required figures after the coordinate of the arrangement position of platform, enter step 2.
Step 2, positioning, movable scan head keep the working focal distance of laser corresponding with position is walked in advance；
It is described pre- to walk setting on the extended line of arc of the start position far from final position side or circular circumference；
The optimization position is located on extended line or the circular circumference of arc of the final position far from start position side.
Step 3 is walked, movable scan head in advance, makes probe under the premise of laser does not generate work light, and work is burnt
Away from from advance walk position be moved to start position；
Step 4, operation, start laser, generate work light, and the work light according to drawing in advance in step 1
Shape cut, mark；
The coordinate calculation formula of any point is in the circle,
X1=x0+r*cos (π/180 a*)
Y1=y0+r*sin (π/180 a*)；
Wherein, x1, y1 are the coordinate of round upper any point, and x0, y0 are the circular dot coordinate, and r is radius, and a is angle
Degree, as shown in Figure 6：
Dot coordinate x0, y0 it is known that radius r it is known that so according to following formula, you can obtain the numerical value of a.
It is described it is pre- walk position to start position to central angle, optimization position and final position to central angle angle
Spending formula is,
A=l/ (π × r/180).Wherein, l is arc length.
For example, we set this section of arc length as 5mm, that is, position is walked in advance to start position, final position to optimization position
The arc length set is 5mm, and r is set as 100mm, then according to formula above, can show that Shu a Shu are 2.86 °, as shown in figure 8,
The central angle for walking position and start position in advance is 2.86 °, and the central angle of final position and optimization position is -2.86 °,
So in reference axis, a is the angle that probe sky is walked when walking arc length 5mm of the position to start position in advance；
When the arc length that-a is final position to optimization position is 5mm, angle that probe sky is walked.
Step 5, optimization, arc or round cutting, mark since start position, to final position after turn off laser,
So that probe is continued sky in the state that laser closes work light and walk a distance, reaches optimization position；
Step 6, cycle, probe is after sky walks a distance, the continuous cutting that is sent out according to control system, mark
Instruction, to next arc or circular arc it is pre- walk position move, carry out the work of next cycle；
The running orbit beginning and end for the work light that the laser projects is misaligned, and it is superfluous to generate one section of track
It is remaining, reach effect of optimization.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in specific implementation modes disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of laser equipment arc is to the cutting mark effect optimization method of interface, it is characterised in that：Include the following steps,
Step 1 is preset, and draws required arc or circle in advance in the controls；
Step 2, positioning, movable scan head keep the working focal distance of laser corresponding with start position；
Step 3, operation, start laser, generate work light, the work light is according to the shape drawn in advance in step 1
It is cut, mark；
Step 4, optimization, arc or round mark since start position, to final position after turn off laser, so that probe is existed
Laser continues sky in the state of closing work light and walks a distance, reaches optimization position；
Step 5, cycle, probe is after sky walks a distance, the finger of the continuous cutting, mark that are sent out according to control system
It enables, is moved to the start position of next arc or circular arc, carry out the work of next cycle；
The running orbit beginning and end for the work light that the laser projects is misaligned, and generates one section of track redundancy,
Reach effect of optimization.
2. cutting mark effect optimization method according to claim 1, it is characterised in that：In the step 1, in the control
After drawing required figure in system processed, control system complete start position, final position, optimization position and required arc or
The calculating of circular center position coordinate, and the input according to operating personnel to required figure quantity obtain multiple required figures
Shape enters step 2 after the coordinate of the arrangement position of platform.
3. cutting mark effect optimization method according to claim 1 or 2, it is characterised in that：The optimization position and end
Arc length distance between point position is between 1mm~10mm.
4. cutting mark effect optimization method according to claim 3, it is characterised in that：The arc is round any
Point coordinate calculation formula be,
X1=x0+r*cos (π/180 a*)
Y1=y0+r*sin (π/180 a*)；
Optimization position and the final position to the angle formula of central angle be,
A=l/ (π × r/180).
5. a kind of laser equipment arc is to the cutting mark effect optimization method of interface, it is characterised in that：Include the following steps,
Step 1 is preset, and draws required arc or circle in advance in the controls；
Step 2, positioning, movable scan head keep the working focal distance of laser corresponding with position is walked in advance；
Step 3 is walked, movable scan head in advance, makes probe under the premise of laser does not generate work light, working focal distance from
Position is walked in advance is moved to start position；
Step 4, operation, start laser, generate work light, the work light is according to the shape drawn in advance in step 1
It is cut, mark；
Step 5, optimization, arc or round cutting, mark since start position, to final position after turn off laser, make to sweep
It retouches head continuation sky in the state that laser closes work light and walks a distance, reach optimization position；
Step 6, cycle, probe is after sky walks a distance, the finger of the continuous cutting, mark that are sent out according to control system
Enable, to next arc or circular arc it is pre- walk position move, carry out the work of next cycle；
The running orbit beginning and end for the work light that the laser projects is misaligned, and generates one section of track redundancy,
Reach effect of optimization.
6. cutting mark effect optimization method according to claim 5, it is characterised in that：In the step 1, in the control
After drawing required figure in system processed, control system complete in advance walk position, start position, final position, optimization position and
The calculating of required arc or circular center position coordinate, and the input according to operating personnel to required figure quantity, obtain
Figure needed for multiple enters step 2 after the coordinate of the arrangement position of platform.
7. cutting mark effect optimization method according to claim 6, it is characterised in that：It is described pre- to walk setting in starting point
On the extended line or circular circumference of arc of the position far from final position side；
The optimization position is located on extended line or the circular circumference of arc of the final position far from start position side.
8. cutting mark effect optimization method according to claim 7, it is characterised in that：The arc is round any
Point coordinate calculation formula be,
X1=x0+r*cos (π/180 a*)
Y1=y0+r*sin (π/180 a*)；
It is described it is pre- walk position, optimization position respectively with start position, final position to the angle formula of central angle be,
A=L/ (π × r/180).
9. cutting mark effect optimization method according to claim 8, it is characterised in that：It is described it is pre- walk position with rise a point
Arc length distance between setting is between 1mm~10mm；
Arc length distance between the optimization position and final position is between 1mm~10mm.
10. cutting mark effect optimization method according to claim 9, it is characterised in that：It is described it is pre- walk position with
Arc length distance between start position is 5mm；
Arc length distance between the optimization position and final position is 5mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111813042A (en) * | 2020-06-28 | 2020-10-23 | 西安中科微精光子制造科技有限公司 | Laser processing control method and device and computer storage medium |
| CN117300370A (en) * | 2023-11-07 | 2023-12-29 | 广东省鑫全利激光智能装备有限公司 | Synchronous processing equipment for laser marking and cutting and method thereof |
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