CN103817442A - Method and system for laser cutting of corner - Google Patents
Method and system for laser cutting of corner Download PDFInfo
- Publication number
- CN103817442A CN103817442A CN201410065823.2A CN201410065823A CN103817442A CN 103817442 A CN103817442 A CN 103817442A CN 201410065823 A CN201410065823 A CN 201410065823A CN 103817442 A CN103817442 A CN 103817442A
- Authority
- CN
- China
- Prior art keywords
- time
- laser
- cutting
- laser cutting
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the field of laser machining, in particular to a method and system for laser cutting of a corner of a thick carbon steel plate. The method for laser cutting of the corner comprises the steps that (A) laser cutting is conducted from one side of a workpiece to be machined to the corner, and then cutting is stopped temporarily; (B) when the workpiece is cooled to be at a certain temperature, cutting is started again, and laser cutting is conducted from the other side of the corner of the workpiece to be machined. According to the method and system for laser cutting of the corner, continuous cutting of the position of a corner point is interrupted, cooling is conducted for a certain period of time before the corner point is formed, and thus melting loss, caused by over-high temperature of the corner point, of the corner point when cutting is conducted from the corner point is avoided.
Description
Technical field
The present invention relates to field of laser processing, especially relate to a kind of method and system of laser cutting corner.
Background technology
Laser cutting is to utilize the high power density laser bundle of line focus to irradiate workpiece, makes that irradiated material melts rapidly, vaporization, ablation or reach burning-point, by blowing down melt substance with the coaxial high velocity air of light beam, thereby realize, workpiece is cut open simultaneously.This process can be emitted a large amount of heat, as heat can not scatter and disappear while meeting or exceeding illuminated workpiece fusing point in the short time in time, just likely workpiece is caused to melting loss.
Traditional cutting is generally to prevent ablation turning by power or the isoparametric variation of speed, but in cutting to the another side at turning, can form an isolated corner part, heat now can only dispel the heat by air, so in the time that the another side at turning cuts, because the time interval is short, the heat radiation of air is very slow, immediately there is assist gas, also heat cannot fallen apart under the requirement of melting loss, can be ablated off corner part.
As shown in Figure 1: laser cutting thickness is more than 10mm, when angle is 90 degree with interior carbon steel low-angle corner, laser beam is cut from a limit at angle and is entered angle point and then cut out from another limit, due to direct corner, corner location can be caused by twice of laser cutting material local temperature too high and occur the phenomenon of angle point melting loss at short notice.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of method and system of laser cutting corner, while overcoming existing laser cutting corner, is prone to angle point melting loss or is ablated off the defect of corner part.
For solving the problems of the technologies described above, technical scheme provided by the invention is as follows:
A kind of method that laser cutting corner is provided, it comprises step:
(A) laser is cut to angle position from one side of to be processed, suspends cutting process;
(B) when workpiece to be processed is cooled to uniform temperature, restart cutting process, laser cuts out from the another side of to be processed angle position.
Further preferred version of the present invention is: described step (A) is preset the step of suspending clipping time front also comprising.
Further preferred version of the present invention is: on described to be processed workbench that is carried on a lathe, drive laser and workpiece to be processed to be relative motion state by the motion of this lathe, in the time being cut to angle position, lathe stop motion, laser continues to close after the default time delay bright dipping time of bright dipping to again, realizes and suspends cutting process.
Further preferred version of the present invention is: described step (A) is also included in while suspending cutting process, by assist gas, angle position is carried out to cooling step.
Further preferred version of the present invention is: described time-out carries out timing by timer clipping time, and time-out clipping time is 300ms-500ms, and the time delay bright dipping time is 50ms-200ms.
The present invention also provides a kind of system of laser cutting corner, comprises laser cutting system, and controls the control device that this laser cutting system moves, wherein: described control device comprises:
Suspend cutter unit, in order to be cut to angle position at laser from one side of workpiece to be processed, suspend cutting;
Restart cutter unit, in order in the time that workpiece is cooled to uniform temperature, restart cutting, laser cuts out from the another side of workpiece to be processed angle position.
Further preferred version of the present invention is: described control device also comprises a controller bed motion and the machine control unit stopping.
Further preferred version of the present invention is: described time-out cutter unit is to export a miscellaneous function code at each intersecting point, this miscellaneous function code makes laser cutting system in the lathe stop motion of angle position place, suspends cutting after default time delay bright dipping time of laser time delay bright dipping to.
Further preferred version of the present invention is: described control device is also included in and suspends before cutting, the default time control unit that suspends clipping time and time delay bright dipping time.
Further preferred version of the present invention is: described restart cutter unit be when default time-out clipping time then, miscellaneous function code makes laser cutting system recover cutting process.
Beneficial effect of the present invention is, by to be processed the continuous cutting process in corner corner location place interrupted, allow angle point have one section of temperature fall time before not forming, then in the time that the another side of corner angle point cuts out, be unlikely to make the excess Temperature of angle point and the phenomenon that occurs angle point melting loss.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is prior art melting loss defect schematic diagram;
Fig. 2 is the machining path schematic diagram of the embodiment of the present invention.
The specific embodiment
Now by reference to the accompanying drawings, preferred embodiment of the present invention is elaborated.
The embodiment of the present invention provides a kind of method of laser cutting corner, first it comprise presets and suspends clipping time, to be processed is carried on a lathe, drive laser and workpiece to be processed to be relative motion state by the motion of this lathe, laser is cut to angle position from one side of workpiece to be processed, lathe stop motion, laser time delay bright dipping to is closed after default time delay bright dipping time, suspend cutting process, this time-out carries out timing by timer clipping time, time-out clipping time is 300ms-500ms, preferably 350ms and 450ms; In the time of the extremely default time out of timer meter, to be processed is cooled to uniform temperature, restarts cutting process, and laser cuts out from the another side of to be processed angle position.Pass through said method, while making laser cutting to corner location, suspend cutting, the connection cutting process of corner corner location is interrupted, angle point has a temperature-fall period before not forming, while reaching the cooling temperature of Preset Time, restart cutting process, thereby avoided corner location, temperature is too high and occur the phenomenon of angle point melting loss at short notice again.
The embodiment of the present invention also provides a kind of system of laser cutting corner, this system comprises laser cutting system, and control the control device that this laser cutting system moves, this control device comprises: in order to the default time control unit that suspends clipping time and time delay bright dipping time; In order to be cut to angle position at laser from one side of to be processed, suspend the time-out cutter unit of cutting; In order in the time that workpiece is cooled to uniform temperature, restart cutting, what laser cut out from the another side of to be processed angle position restarts cutter unit; And controller bed motion and the machine control unit stopping.
For the preferred embodiment of the present invention is take the part that cuts an equilateral triangle in carbon steel sheet as example, as shown in Figure 2, it is machining path schematic diagram.
Time-out cutter unit described in the control device of the preferred embodiment of the present invention is to export a miscellaneous function code M87 in A, B, each corner of C, D with restarting cutter unit, in the time that laser is cut to angle position from one side of workpiece to be processed, the time-out cutter unit of control device can be exported a miscellaneous function code M87 at each intersecting point, and this miscellaneous function code M87 makes laser cutting system suspend cutting at angle position; When default time-out clipping time then, the restarting cutter unit and can control laser cutting system and recover cutting process of control device.
The control device of the embodiment of the present invention is to be cut or restarted cutting by CNC program notice PLC time-out to machined part to control, and this CNC control program is as follows:
N10?G00X4Y1
N20?Q990010(LASERON)
N30?G01X4Y2F1000
N40?M87
N50?X2Y2
N60?M87
N70?X4Y6
N80?M87
N90?X6Y2
N100?M87
N110?X4Y2
N120?Q990011(LASEROFF)
N130?M30
Shown in Fig. 2, when laser cutting system described in the embodiment of the present invention moves to that N30 is capable and N50 is capable, N50 is capable and N70 is capable, N70 is capable and N90 is capable, N90 is capable and N110 forms between capable A, B, C, tetra-corners of D, CNC control program can be at each intersecting point output miscellaneous function code M87.When CNC control program runs to N40 when capable, CNC control program is by miscellaneous function code M87 instruction notification PLC, this PLC suspends cutter unit after receiving miscellaneous function code M87 instruction, make CNC control program rest on the capable N40 of current code, machine control unit is not because having new move to suspend, after the complete stop motion of lathe, PLC control time-out cutter unit is realized laser cutting system and is closed laser power but do not close cutting assist gas, and enable a timer simultaneously and carry out timing, in the time that timer timing arrives the default cooling down time, PLC notice starts cutter unit and recovers laser power again and reactivate the control of CNC program, CNC program operation next line N50, in the time that CNC program runs to the next one containing M87 code line, all repeat above process.The triangle part angle point having cut is thus complete, has avoided the phenomenon of angle point melting loss.
The invention process is first only cut the material before corner, then when to corner, take time out to heat radiation, because the another side of corner is generally same material, the thermal diffusion of same material is very fast, so just temperature can be fallen apart in hundreds of ms within preventing the requirement of melting loss, need not change power, just can reach corner when cutting, the phenomenon that the angle point of corner can melting loss.
Further, workpiece to be processed described in another embodiment of the present invention is carried on the workbench of a lathe, drive laser and workpiece to be processed to be relative motion state by the motion of this lathe, in the time being cut to angle position, lathe stop motion, laser continues to close after the default time delay bright dipping time of bright dipping to again, realizes and suspends cutting process.
Divide to cut off and have hysteresis due to bottom, sheet material cross section, so after lathe stop motion, still need laser instrument bright dipping that sheet material bottom is divided and cut, carry and close laser after it is cut completely, realize tentative cutting, the while carries out cooling with assist gas.Its time delay bright dipping time 50ms-200ms, preferably 100ms.
Described embodiment provides a kind of system of laser cutting corner to comprise laser cutting system, and controls the control device that this laser cutting system moves, and control device comprises: in order to the default time control unit that suspends clipping time and time delay bright dipping time; In order to be cut to angle position at laser from one side of to be processed, suspend the time-out cutter unit of cutting; In order in the time that workpiece is cooled to uniform temperature, restart cutting, what laser cut out from the another side of to be processed angle position restarts cutter unit; And controller bed motion and the machine control unit stopping.
Should be understood that, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit, for a person skilled in the art, the technical scheme that can record above-described embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications and replacement all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a method for laser cutting corner, is characterized in that, comprising:
(A) laser is cut to angle position from one side of workpiece to be processed, suspends cutting process;
(B) when workpiece to be processed is cooled to uniform temperature, restart cutting process, laser cuts out from the another side of to be processed angle position.
2. the method for laser cutting corner according to claim 1, is characterized in that: described step (A) is front also comprises the default step of suspending clipping time.
3. the method for laser cutting corner according to claim 2, it is characterized in that: described workpiece to be processed is carried on the workbench of a lathe, drive laser and workpiece to be processed to be relative motion state by the motion of this lathe, in the time being cut to angle position, lathe stop motion, laser continues to close after the default time delay bright dipping time of bright dipping to again, realizes and suspends cutting process.
4. according to the method for laser cutting corner described in claim 2 or 3, it is characterized in that: described step (A) is also included in while suspending cutting process, by assist gas, angle position is carried out to cooling step.
5. the method for laser cutting corner according to claim 3, is characterized in that: described time-out carries out timing by timer clipping time, and time-out clipping time is 300ms-500ms, and the time delay bright dipping time is 50ms-200ms.
6. a system for laser cutting corner, comprises laser cutting system, and controls the control device that this laser cutting system moves, and it is characterized in that: described control device comprises:
Suspend cutter unit, in order to be cut to angle position at laser from one side of workpiece to be processed, suspend cutting;
Restart cutter unit, in order in the time that workpiece is cooled to uniform temperature, restart cutting, laser cuts out from the another side of workpiece to be processed angle position.
7. the system of laser cutting corner according to claim 6, is characterized in that: described control device also comprises a controller bed motion and the machine control unit stopping.
8. the system of laser cutting corner according to claim 6, it is characterized in that: described time-out cutter unit is to export a miscellaneous function code at each intersecting point, this miscellaneous function code makes laser cutting system in the lathe stop motion of angle position place, suspends cutting after default time delay bright dipping time of laser time delay bright dipping to.
9. the system of laser cutting corner according to claim 8, is characterized in that: described control device is also included in and suspends before cutting, the default time control unit that suspends clipping time and time delay bright dipping time.
10. the system of laser cutting corner according to claim 9, is characterized in that: described restart cutter unit be when default time-out clipping time then, miscellaneous function code makes laser cutting system recover cutting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065823.2A CN103817442A (en) | 2013-12-05 | 2014-02-26 | Method and system for laser cutting of corner |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652934.9A CN103658998A (en) | 2013-12-05 | 2013-12-05 | Method and system for cutting corners through laser |
| CN201310652934.9 | 2013-12-05 | ||
| CN201410065823.2A CN103817442A (en) | 2013-12-05 | 2014-02-26 | Method and system for laser cutting of corner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103817442A true CN103817442A (en) | 2014-05-28 |
Family
ID=50298434
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310652934.9A Pending CN103658998A (en) | 2013-12-05 | 2013-12-05 | Method and system for cutting corners through laser |
| CN201410065823.2A Pending CN103817442A (en) | 2013-12-05 | 2014-02-26 | Method and system for laser cutting of corner |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310652934.9A Pending CN103658998A (en) | 2013-12-05 | 2013-12-05 | Method and system for cutting corners through laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103658998A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903443A (en) * | 2017-02-27 | 2017-06-30 | 无锡洲翔激光设备有限公司 | Avoid being cut by laser carbon steel right angle and acute angle burns the cutting technique at angle |
| CN110202271A (en) * | 2018-02-28 | 2019-09-06 | 鸿富准精密工业(深圳)有限公司 | Laser cutting method |
| CN110369884A (en) * | 2019-08-21 | 2019-10-25 | 奔腾楚天激光（武汉）有限公司 | A kind of turning pulse cutting process of processing thick carbon steel plate right angle processing |
| CN113118642A (en) * | 2019-12-31 | 2021-07-16 | 江苏亚威机床股份有限公司 | Laser cutting corner processing method |
| CN116493777A (en) * | 2023-05-12 | 2023-07-28 | 济南奥镭数控设备有限公司 | Numerical control cutting machine remote control system based on intelligent operation |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607805B (en) * | 2015-01-12 | 2016-07-06 | 飞虎激光科技有限公司 | A kind of corner laser cutting method |
| CN105834595A (en) * | 2016-06-07 | 2016-08-10 | 成都市松川金属材料有限公司 | Sharp corner laser cutting method |
| CN110134072A (en) * | 2019-04-04 | 2019-08-16 | 大族激光科技产业集团股份有限公司 | Processing control method and system |
| CN110293324B (en) * | 2019-07-29 | 2020-10-30 | 长沙理工大学 | Electromagnetic field assisted laser cutting method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03106583A (en) * | 1989-09-19 | 1991-05-07 | Fanuc Ltd | Laser beam machining method |
| CN1112866A (en) * | 1994-02-24 | 1995-12-06 | 三菱电机株式会社 | Laser cutting method eliminating defects in regions where cutting conditrons are changed |
| CN101077549A (en) * | 2006-01-25 | 2007-11-28 | 发那科株式会社 | Laser processing method |
| CN101920399A (en) * | 2010-08-19 | 2010-12-22 | 广东大族粤铭激光科技股份有限公司 | Method and device for cutting stainless steel sheet with fiber laser |
| CN103028846A (en) * | 2011-10-07 | 2013-04-10 | 发那科株式会社 | Controller for processing corner part in process path |
| CN103217922A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Method for controlling laser energy in laser cutting process of SMT stencil |
-
2013
- 2013-12-05 CN CN201310652934.9A patent/CN103658998A/en active Pending
-
2014
- 2014-02-26 CN CN201410065823.2A patent/CN103817442A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03106583A (en) * | 1989-09-19 | 1991-05-07 | Fanuc Ltd | Laser beam machining method |
| CN1112866A (en) * | 1994-02-24 | 1995-12-06 | 三菱电机株式会社 | Laser cutting method eliminating defects in regions where cutting conditrons are changed |
| CN101077549A (en) * | 2006-01-25 | 2007-11-28 | 发那科株式会社 | Laser processing method |
| CN101920399A (en) * | 2010-08-19 | 2010-12-22 | 广东大族粤铭激光科技股份有限公司 | Method and device for cutting stainless steel sheet with fiber laser |
| CN103028846A (en) * | 2011-10-07 | 2013-04-10 | 发那科株式会社 | Controller for processing corner part in process path |
| CN103217922A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Method for controlling laser energy in laser cutting process of SMT stencil |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903443A (en) * | 2017-02-27 | 2017-06-30 | 无锡洲翔激光设备有限公司 | Avoid being cut by laser carbon steel right angle and acute angle burns the cutting technique at angle |
| CN110202271A (en) * | 2018-02-28 | 2019-09-06 | 鸿富准精密工业(深圳)有限公司 | Laser cutting method |
| CN110369884A (en) * | 2019-08-21 | 2019-10-25 | 奔腾楚天激光（武汉）有限公司 | A kind of turning pulse cutting process of processing thick carbon steel plate right angle processing |
| CN113118642A (en) * | 2019-12-31 | 2021-07-16 | 江苏亚威机床股份有限公司 | Laser cutting corner processing method |
| CN116493777A (en) * | 2023-05-12 | 2023-07-28 | 济南奥镭数控设备有限公司 | Numerical control cutting machine remote control system based on intelligent operation |
| CN116493777B (en) * | 2023-05-12 | 2024-03-29 | 济南奥镭数控设备有限公司 | Numerical control cutting machine remote control system based on intelligent operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103658998A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103817442A (en) | Method and system for laser cutting of corner | |
| CN105458530B (en) | A kind of device and method of femtosecond laser processing blade of aviation engine air film hole | |
| CN103074625B (en) | Movable laser cladding and repairing system | |
| US10252375B2 (en) | Laser processing system having function of preparing to restart processing | |
| CN108115292A (en) | The method and diced system of laser cut workpieces corner | |
| CN101474724B (en) | Laser cutting method for angle of rotation | |
| CN203418238U (en) | Integrated pipe sheet laser cutting machine | |
| Dhupal et al. | Pulsed Nd: YAG laser turning of micro-groove on aluminum oxide ceramic (Al2O3) | |
| CA2039710A1 (en) | Laser beam machining method | |
| CN103286456B (en) | Laser cutting device and cutting method | |
| CN105522283A (en) | Control method, device and system based on laser cutting parameters of temperature field | |
| CN104708104A (en) | High-speed synchronization flying shear flying punching system | |
| CN105562941A (en) | Robot laser cutting work station for spoilers | |
| CN202846028U (en) | Industrial robot three-dimensional laser cutting machine | |
| CN204893212U (en) | A vaporization resectoscopic laser equipment for metal cutting | |
| CN105798468A (en) | Laser cutting device | |
| CN107283069B (en) | A kind of technique of returning sword of laser cutting | |
| Smith et al. | Fracture characteristics of an aluminum oxide ceramic during continuous wave carbon dioxide laser cutting | |
| CN106891095A (en) | A kind of numerical control laser cutter | |
| CN106808090A (en) | A kind of laser-processing system of brittle substrate | |
| CN206029029U (en) | Online laser cutting system of motion sheet material | |
| CN104308371A (en) | High-strength fiber shearing device | |
| CN104105568A (en) | Laser processing device, processing control device and pulse frequency control method | |
| CN107486637A (en) | A kind of numerical control optical-fiber laser cutting machine | |
| CN207479852U (en) | A kind of cutting machine head with temperature feedback function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: No. 9988 Nanshan District Shennan Road Shenzhen city Guangdong province 518000 Applicant after: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. Address before: 518000 Shenzhen Province, Nanshan District high tech park, North West New Road, No. 9 Applicant before: Dazu Laser Sci. & Tech. Co., Ltd., Shenzhen |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DAZU LASER SCI. + TECH. CO., LTD., SHENZHEN TO: HAN'S LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140528 |