CN103084740B - The cutting head follow-up method of the outside first stroke of a Chinese character of a kind of numerical control laser cutter - Google Patents
The cutting head follow-up method of the outside first stroke of a Chinese character of a kind of numerical control laser cutter Download PDFInfo
- Publication number
- CN103084740B CN103084740B CN201310057777.7A CN201310057777A CN103084740B CN 103084740 B CN103084740 B CN 103084740B CN 201310057777 A CN201310057777 A CN 201310057777A CN 103084740 B CN103084740 B CN 103084740B
- Authority
- CN
- China
- Prior art keywords
- cutting head
- value
- altitude
- feedback
- stroke
- 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.)
- Active
Links
Landscapes
- Laser Beam Processing (AREA)
Abstract
A cutting head follow-up method for the outside first stroke of a Chinese character of numerical control laser cutter, comprise the steps: the first step, cutting head drops to level altitude along Z axis automatically, and this height is set by digital control system host computer; Second step, by altitude signal value Real-time Feedback to digital control system host computer; 3rd step, translation cutting head also detects workpiece height signal feedback value, in real time continuous acquisition and recording altitude feedback numerical value; 4th step, when an altitude feedback value mutation signal being detected, obtains sheet edge position positional value through filtering; 5th step, system automatic rollback setting value; 6th step, cutting head proceeds to automatic following state; 7th step, enters cutting process.Its advantage to make numerical control laser cutter from the outside first stroke of a Chinese character, improves machining accuracy, and method is simply easy to perform.
Description
[technical field]
The present invention relates to laser beam processing, such as, weld, cutting, punching, relates to the automatic alignment of laser beam, aims at or focuses on, and particularly relates to the cutting head follow-up method of the outside first stroke of a Chinese character of a kind of numerical control laser cutter.
[background technology]
Numerical control laser cutter utilizes high-effect Laser Focusing, produces high energy density laser at focus place, is rapidly heated, dissolves, the physical process such as vaporization by a material after being absorbed, and finally cuts off object.Because it is efficient, high-quality, high accuracy and exempt from the features such as cutter, be used widely in middle thin plate cutting.
Laser cutting will meet the external form cutting of all trades and professions, various figure, requires to adopt CAD drawing, enter Numerical control cutting control system and cut after typesetting according to workpiece.Digital control system will complete the TRAJECTORY CONTROL of X, Y two-dimensional stage; The focus Altitude control of Z axis cutting head; The control of the bright dipping mode of laser, waveform, energy; Method for punching, cutting head Altitude control; Control of assist gas etc. controls.Generally, workpiece maintains static on the table, and laser cutting head is by collimating mirror, and focus lamp, the light path system of protective glass composition, cooling system, nozzle and exterior mechanical structure composition, be equipped with height capacitance sensor in cutting head lower end.Laser cutting head carries out control work by track and work status.Due to the difference of workpiece, have complete, have that leftover pieces utilize, have smooth, have rough, sheet material to have thickness, digital control system will regulate the height of cutting head to meet the demand of different conditions according to technological requirement.During cutting, cutting head will control the level altitude automatically dropping to plate surface, and during translation, cutting head lifts.Cutting head is set to the height of plate surface by digital control system host computer, and height detection is detected by the small electric capacity be arranged between the nozzle of cutting head lower end and sheet material to be cut, and capacitance is generally between 30P ~ 100P.When the height that height sensor detects is consistent with the height of setting, cutting head stops declining, and enters cutting process.If do not have sheet material below cutting head, as in the outside first stroke of a Chinese character of sheet material, or have the hole etc. of cutting and staying, cutting head can detect sheet material downwards automatically always, until stop after bumping against Z axis lower limit and report to the police, cannot enter cutting process.
[summary of the invention]
For the needs of laser cutting and the shortcoming of prior art, the object of the present invention is to provide the cutting head follow-up method of the outside first stroke of a Chinese character of a kind of numerical control laser cutter.
The technical solution adopted for the present invention to solve the technical problems is: the cutting head follow-up method providing the outside first stroke of a Chinese character of a kind of numerical control laser cutter, is characterized in that comprising the steps:
The first step, cutting head drops to level altitude along Z axis automatically, and this height is set by digital control system host computer;
Second step, by altitude signal value Real-time Feedback to digital control system host computer;
3rd step, translation cutting head also detects workpiece height signal feedback value, in real time continuous acquisition and recording altitude feedback numerical value;
4th step, when an altitude feedback value mutation signal being detected, obtains sheet edge position positional value through filtering;
5th step, system automatic rollback setting value;
6th step, cutting head proceeds to automatic following state;
7th step, enters cutting process.
If do not have sheet material below cutting head, as in the outside first stroke of a Chinese character of sheet material, or have the hole etc. of cutting and staying, cutting head will detect downwards sheet material automatically always, until stop after bumping against Z axis lower limit and report to the police, cannot enter normal cutting process.
This method adopts highly sensing numerical control closed-loop method, the altitude signal Real-time Feedback of height sensor feedback to digital control system host computer, digital control system is when entering outside and seeking limit cutting, cutting head is dropped to a level altitude, this height is different according to the mechanical design structure difference of equipment, detect an altitude feedback value, then translation cutting head, in real time continuous acquisition and recording height sensor fed back values.After a value of feedback jump signal being detected, after the anti-interference methods such as filtering, obtain the edge place value of sheet material, then system automatic rollback setting value, then cutting head proceeds to automatic following state and enters cutting process, the method can meet the recycling cutting etc. from outside first stroke of a Chinese character cutting, leftover bits, effectively improves the utilization rate of material.
This method innovative point is:
1, altitude signal and digital control system closed-loop feedback.Conventional method is track system on height semiclosed loop feedback voluntarily, and height model numerical value does not enter digital control system.
2, a level altitude is parked in advance, then translation before cutting.Conventional method directly seeks plate, seeks and just reporting to the police less than plate, cannot normally cut.
3, edge is judged according to height number sudden change principle.
4, seek rollback setting value behind edge, after proceed to automatic following state cutting.
The invention has the beneficial effects as follows: numerical control laser cutter can be made from the outside first stroke of a Chinese character, improve machining accuracy, and method is simply easy to perform.
Claims (1)
1. a cutting head follow-up method for the outside first stroke of a Chinese character of numerical control laser cutter, is characterized in that comprising the steps:
The first step, cutting head drops to level altitude along Z axis automatically, and this height is set by digital control system host computer;
Second step, by altitude signal value Real-time Feedback to digital control system host computer;
3rd step, translation cutting head also detects workpiece height signal feedback value, in real time continuous acquisition and recording altitude feedback numerical value;
4th step, when an altitude feedback value mutation signal being detected, obtains sheet edge position positional value through filtering;
5th step, system automatic rollback setting value;
6th step, cutting head proceeds to automatic following state;
7th step, enters cutting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057777.7A CN103084740B (en) | 2013-02-25 | 2013-02-25 | The cutting head follow-up method of the outside first stroke of a Chinese character of a kind of numerical control laser cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057777.7A CN103084740B (en) | 2013-02-25 | 2013-02-25 | The cutting head follow-up method of the outside first stroke of a Chinese character of a kind of numerical control laser cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103084740A CN103084740A (en) | 2013-05-08 |
| CN103084740B true CN103084740B (en) | 2015-09-02 |
Family
ID=48198139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310057777.7A Active CN103084740B (en) | 2013-02-25 | 2013-02-25 | The cutting head follow-up method of the outside first stroke of a Chinese character of a kind of numerical control laser cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103084740B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581219B (en) * | 2018-04-10 | 2020-09-15 | 上海柏楚电子科技股份有限公司 | Two-dimensional three-dimensional metal material laser cutting easy-to-use performance adjusting method |
| CN109530939B (en) * | 2018-12-28 | 2020-11-24 | 北京中科镭特电子有限公司 | Method and system for processing wafer by laser |
| CN111774722B (en) * | 2020-06-30 | 2022-07-01 | 大族激光科技产业集团股份有限公司 | Intelligent control method based on decay of feedback signal of capacitive sensor of laser system |
| CN113857695A (en) * | 2021-11-08 | 2021-12-31 | 武汉威士登智能控制技术有限公司 | CNC _ Z-axis laser cutting follow-up control algorithm |
| CN114535791B (en) * | 2022-02-28 | 2023-05-26 | 大族激光科技产业集团股份有限公司 | Plate laser cutting method, laser processing equipment and storage medium |
| CN114985910B (en) * | 2022-05-26 | 2024-02-06 | 深圳泰德激光技术股份有限公司 | Laser cutting equipment, control method and control system thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990019Y (en) * | 2006-11-20 | 2007-12-12 | 夏云峰 | Automatic regulating cutting height control device in cutting machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4279769B2 (en) * | 2004-10-28 | 2009-06-17 | 三菱電機株式会社 | Laser processing equipment |
-
2013
- 2013-02-25 CN CN201310057777.7A patent/CN103084740B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990019Y (en) * | 2006-11-20 | 2007-12-12 | 夏云峰 | Automatic regulating cutting height control device in cutting machine |
Non-Patent Citations (1)
| Title |
|---|
| 王晓丽,候媛彬.MOTOMAN工业机器人示教编程方法研究.《工矿自动化》.2008,正文24-26页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103084740A (en) | 2013-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103084740B (en) | The cutting head follow-up method of the outside first stroke of a Chinese character of a kind of numerical control laser cutter | |
| CN200998940Y (en) | Solar battery laser marking device | |
| CN100505335C (en) | Solar battery laser marking device | |
| CN101474724B (en) | Laser cutting method for angle of rotation | |
| CN103394807A (en) | Method and device for improving metal cladding deposition additive manufacturing accuracy by means of laser edge cutting | |
| US20160325383A1 (en) | Electron beam melting and laser milling composite 3d printing apparatus | |
| CN203973303U (en) | A kind of vision setting system based on open cnc milling machine | |
| CN111548023A (en) | Method for finely processing glass surface by using red light nanosecond laser | |
| CN105033471A (en) | Laser weakening machining equipment | |
| CN102455676A (en) | Industrial numerical control machine tool integration control system | |
| CN104197886B (en) | The device and method of arc welding fusion penetration information and welding data collecting synchronizing information | |
| CN201677132U (en) | Automatic focusing device of laser processor | |
| CN101937206B (en) | Control mode for realizing high-efficiency dry running in numerical control system | |
| CN205032859U (en) | Automatic focusing laser cutting head | |
| CN107088704A (en) | The laser cutting method and device of a kind of rectangle pipe material | |
| CN205057308U (en) | High -speed high accuracy utmost point ear cutting equipment based on vision -guided | |
| CN201853111U (en) | Comprehensive control system of industrial numerical control machine | |
| CN102589572B (en) | Tape processing system and tape processing detection method for precise leveling staff | |
| CN104985330B (en) | Low-power laser is mixed to cut machine and its application method | |
| CN205057224U (en) | Electric spark hole machining lathe | |
| CN206105388U (en) | Multiaxis high energy particle restraints to melt and covers and milling process composite printer device | |
| CN112756818B (en) | High-precision high-efficiency ultrafast laser processing method for micropores with large depth-diameter ratio | |
| CN206382714U (en) | A kind of laser cutting machine of image automatic tracing-edge | |
| CN108340033A (en) | Process the EDM shaping machine intelligent depth control system and method for PCD composite sheets | |
| CN212286882U (en) | Numerical control vertical milling and turning machine spindle anticollision institution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |