CN103111764A - Method for rapidly positioning laser cut part - Google Patents
Method for rapidly positioning laser cut part Download PDFInfo
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- CN103111764A CN103111764A CN2013100897370A CN201310089737A CN103111764A CN 103111764 A CN103111764 A CN 103111764A CN 2013100897370 A CN2013100897370 A CN 2013100897370A CN 201310089737 A CN201310089737 A CN 201310089737A CN 103111764 A CN103111764 A CN 103111764A
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- laser
- part tooling
- laser cutting
- cutting machine
- tooling
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Abstract
The invention provides a method for rapidly positioning a laser cut part. The method comprises the following steps of: establishing a laser cutting machine coordinate system in part tool design software; designing a part tool; determining laser projection information; positioning the part tool; programming; and cutting the part. The precision and efficiency of the laser cut part are guaranteed through the rapid, efficient and accurate part positioning mode.
Description
Technical field
The present invention relates to a kind of method for rapidly positioning of laser cutting part, belong to field of machining.
Background technology
By a large amount of uses, still the manual difficulty of processing of this part is very large in the aircraft development process for titanium-alloy thin-plate class part.Along with the introducing of large-scale five coordinate laser cutting devices, realized that the Laser cutting of the thin plate class titanium alloy component outer rim of superplastic formation has replaced original manual processing.Efficient is greatly improved Laser cutting with respect to processing not only by hand, and machining precision has had sufficient guarantee especially.
Usually the localization method that adopts during laser cutting part: design several places locating hole on part tooling, be positioned in laser cutting machine after frock machines, laser generator and locating hole is close to greatest extent, and record is when the coordinate figure of position.Then coordinate figure and the coordinate figure match of former design point by record goes out the position of part under the laser cutting machine coordinate system with reverse and carries out part and programme.In the cutting processing process of part, any movement can not occur in the frock of part, otherwise needs the physical location in profiling measurement and positioning hole again, and each renewal part frock all needs to re-start a profiling and measures.
There is following problem in above localization method: because laser generator is merely able to greatest extent near part tooling, therefore the value that obtains is not accurate enough, and is merely able to slowly operation in measuring process and encounters to prevent laser generator the damage that piece surface causes laser generator.Different staff's operant level is not identical yet in addition, also there is larger difference in measured value, the precision of the part that therefore very difficult assurance finally processes, cause the part situation of scrapping to happen occasionally, be merely able at last take to leave the mode that a small amount of surplus adopts artificial manual processing, make like this Laser cutting not play the effect of its key.
Summary of the invention
The method for rapidly positioning that the purpose of this invention is to provide a kind of laser cutting part, it fast, efficiently, the part locate mode has guaranteed precision and the efficient of laser cutting part accurately.
Technical scheme of the present invention: a kind of method for rapidly positioning of laser cutting part comprises following concrete steps:
(1) set up the laser cutting machine coordinate system in the part tooling design software: set up the laser cutting machine coordinate system that mates with the laser cutting machine programming software in the software that is used for the part tooling design, part tooling designs based on this coordinate system;
(2) increase reflection target spot installation site in laser cutting machine: increase the reflection target spot installation site that is used for laser-projector location use in laser cutting machine, the quantity of reflection target spot is no less than 6 and be dispersed in laser cutting machine;
(3) design of part tooling: increase to be used for the anchor point of part tooling location use on part tooling, the quantity of anchor point is at least 3 and be dispersed on part tooling;
(4) determine laser projection information: record reflecting target point coordinates and anchor point coordinate, the coordinate figure of reflection target spot and the coordinate figure of anchor point are input in laser-projector, laser-projector is caught the unification that the reflection target spot is completed theoretical coordinate system and real-world coordinate system, and laser-projector forms subpoint after the anchor point under theory state is projected to the part tooling surface;
(5) location of part tooling: the location that the subpoint that laser-projector is projected and the actual location point on part tooling overlap to complete part tooling;
(6) programming: the parameter of part tooling and part is imported in the laser cutting machine programming software simultaneously programme;
(7) part cutting.
Described part tooling adopts the flexible part frock, and the profile of this frock can drive according to gross data and change, and can change any profile that in precision and range ability.
Beneficial effect of the present invention: 1. compare the profiling match and locate, the present invention can realize the precise positioning of part tooling, guaranteed the precision of part cutting, can realize without surplus processing, avoided a large amount of problems of processing with the follow-up craft of surplus part and located the inaccurate part that causes because of the profiling match and scrap problem; 2. compare the profiling match and locate, the present invention has shortened the working time greatly, has improved the efficient of tool locating; 3. compare profiling match location, the present invention has avoided laser generator to clash into the situation that the frock surface causes laser generator to damage, and has also improved operating efficiency when having reduced production cost; 4. by after introducing the flexible part frock, the position of frock is relative with the position of laser-projector fixing, and carries out not needing again to locate before the part cutting at every turn, is more suitable for the small lot batch manufacture of many product kind part on aircraft, has greatly improved the efficient of producing.
Description of drawings
Principle schematic when Fig. 1 is part tooling of the present invention location.
The 1-laser-projector; The 2-anchor point; The 3-part tooling.
The specific embodiment
As shown in Figure 1, a kind of method for rapidly positioning of laser cutting part comprises following concrete steps:
(1) set up the laser cutting machine coordinate system in the part tooling design software: set up the laser cutting machine coordinate system that mates with the laser cutting machine programming software in the software that is used for the part tooling design, part tooling 3 designs based on this coordinate system;
(2) increase reflection target spot installation site in laser cutting machine: increase the reflection target spot installation site that is used for laser-projector 1 location use in laser cutting machine, the quantity that reflects target spot is 6 and is dispersed in laser cutting machine;
(3) design 2 of part tooling: increase the anchor point 2 of locating use for part tooling on part tooling 3, the quantity of anchor point 2 is 3 and is dispersed on part tooling 3;
(4) determine laser projection information: record reflecting target point coordinates and anchor point coordinate, the coordinate figure of reflection target spot and the coordinate figure of anchor point are input in laser-projector 1, laser-projector 1 is caught the unification that the reflection target spot is completed theoretical coordinate system and real-world coordinate system, and laser-projector 1 forms subpoint after the anchor point under theory state is projected to the part tooling surface;
(5) location of part tooling: the location that the subpoint that laser-projector 1 is projected and the actual location point on part tooling 3 overlap to complete part tooling;
(6) programming: the parameter of part tooling 3 and part is imported in the laser cutting machine programming software simultaneously programme;
(7) part cutting.
Described part tooling adopts the flexible part frock, and the profile of this frock can drive according to gross data and change, and can change any profile that in precision and range ability.
Claims (1)
1. the method for rapidly positioning of a laser cutting part, is characterized in that, comprises following concrete steps:
(1) set up the laser cutting machine coordinate system in the part tooling design software: set up the laser cutting machine coordinate system that mates with the laser cutting machine programming software in the software that is used for the part tooling design, part tooling designs based on this coordinate system;
(2) increase reflection target spot installation site in laser cutting machine: increase the reflection target spot installation site that is used for laser-projector location use in laser cutting machine, the quantity of reflection target spot is no less than 6 and be dispersed in laser cutting machine;
(3) design of part tooling: increase to be used for the anchor point of part tooling location use on part tooling, the quantity of anchor point is at least 3 and be dispersed on part tooling;
(4) determine laser projection information: record reflecting target point coordinates and anchor point coordinate, the coordinate figure of reflection target spot and the coordinate figure of anchor point are input in laser-projector, laser-projector is caught the unification that the reflection target spot is completed theoretical coordinate system and real-world coordinate system, and laser-projector forms subpoint after the anchor point under theory state is projected to the part tooling surface;
(5) location of part tooling: the location that the subpoint that laser-projector is projected and the actual location point on part tooling overlap to complete part tooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089737.0A CN103111764B (en) | 2013-03-20 | 2013-03-20 | A kind of method for rapidly positioning of laser cutting part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089737.0A CN103111764B (en) | 2013-03-20 | 2013-03-20 | A kind of method for rapidly positioning of laser cutting part |
Publications (2)
| Publication Number | Publication Date |
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| CN103111764A true CN103111764A (en) | 2013-05-22 |
| CN103111764B CN103111764B (en) | 2015-10-28 |
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| CN201310089737.0A Active CN103111764B (en) | 2013-03-20 | 2013-03-20 | A kind of method for rapidly positioning of laser cutting part |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103286767A (en) * | 2013-06-13 | 2013-09-11 | 沈阳飞机工业（集团）有限公司 | Drilling lineation method for skin part |
| CN104014939A (en) * | 2014-06-11 | 2014-09-03 | 沈阳飞机工业（集团）有限公司 | Titanium alloy skin laser cutting method based on flexible supporting device |
| CN108981677A (en) * | 2018-09-19 | 2018-12-11 | 陕西飞机工业（集团）有限公司 | A kind of installation method of the aircraft components based on laser positioning |
| CN110125550A (en) * | 2019-05-16 | 2019-08-16 | 沈阳飞机工业（集团）有限公司 | A method of it is mended with laser marking machine and carves small-shape thread cast-off |
| CN112276053A (en) * | 2020-10-20 | 2021-01-29 | 吴忠仪表有限责任公司 | 3D rapid positioning tool for casting head cutting and operation method thereof |
| CN112372134A (en) * | 2020-11-16 | 2021-02-19 | 柳州宏德激光科技有限公司 | Rapid coordinate positioning method for laser processing of 3D (three-dimensional) special-shaped workpiece |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286767A (en) * | 2013-06-13 | 2013-09-11 | 沈阳飞机工业（集团）有限公司 | Drilling lineation method for skin part |
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| CN104014939A (en) * | 2014-06-11 | 2014-09-03 | 沈阳飞机工业（集团）有限公司 | Titanium alloy skin laser cutting method based on flexible supporting device |
| CN108981677A (en) * | 2018-09-19 | 2018-12-11 | 陕西飞机工业（集团）有限公司 | A kind of installation method of the aircraft components based on laser positioning |
| CN110125550A (en) * | 2019-05-16 | 2019-08-16 | 沈阳飞机工业（集团）有限公司 | A method of it is mended with laser marking machine and carves small-shape thread cast-off |
| CN112276053A (en) * | 2020-10-20 | 2021-01-29 | 吴忠仪表有限责任公司 | 3D rapid positioning tool for casting head cutting and operation method thereof |
| CN112372134A (en) * | 2020-11-16 | 2021-02-19 | 柳州宏德激光科技有限公司 | Rapid coordinate positioning method for laser processing of 3D (three-dimensional) special-shaped workpiece |
| CN112372134B (en) * | 2020-11-16 | 2021-07-30 | 柳州宏德激光科技有限公司 | Rapid coordinate positioning method for laser processing of 3D (three-dimensional) special-shaped workpiece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103111764B (en) | 2015-10-28 |
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