CN105239080A - Stress control 3D printing reproducing device and reproducing method - Google Patents
Stress control 3D printing reproducing device and reproducing method Download PDFInfo
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- CN105239080A CN105239080A CN201510549746.2A CN201510549746A CN105239080A CN 105239080 A CN105239080 A CN 105239080A CN 201510549746 A CN201510549746 A CN 201510549746A CN 105239080 A CN105239080 A CN 105239080A
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Abstract
The invention discloses a stress control 3D printing reproducing device. The stress control 3D printing reproducing device comprises a machine body, a workbench, a workbench controller, an image acquisition device, a laser system, a feed system, a printing head and a computer. The laser system comprises a small-power high-frequency printing laser device, a big-power low-frequency impact laser device and a laser system controller. The feed system is composed of a feed device, a feed pipeline and a feed controller. The computer is connected with the workbench controller, a laser device controller, a feed controller and the image acquisition device through data cables. The laser device controller is connected with the printing laser device, the impact laser device and the printing head. The feed device is connected with the printing head through the feed pipeline. According to the stress control 3D printing reproducing device, repair and detection are conducted synchronously; repair of a part and stress control after repair are conducted through the same equipment; the fatigue resistance and the abrasion resistance of the repaired part are high; the service life is prolonged. In addition, the repaired part does not need subsequent machining; the repair cost is low.
Description
Technical field
The present invention relates to field of laser processing, be specifically related to laser and melt and cover manufacturing installation again.
Background technology
The inefficacy of the form such as easily produce fatigue cracking after mechanical component life-time service, wearing and tearing, spot corrosion, fracture are peeled off, causes mechanical component use properties decline or scrap.For reducing loss, reducing metals resources waste, saving enterprise operation cost, often inefficacy part is repaired and manufacture again.General reproducing method has built-up welding, laser melts and covers, laser-impact, arc deposited etc., laser melting coating refers to and is made it to melt with matrix surface skim through laser irradiation by coated material cladding matrix surface placed by selecting with different adding material modes simultaneously, and it is extremely low to form extent of dilution after rapid solidification, the top coat of metallurgical binding is become with matrix, significantly improve the wear-resisting of substrate surface, anti-corrosion, heat-resisting, the processing method of anti-oxidant and electrical specification, thus reach the object of surface modification or reparation, both the requirement to material surface specified property had been met, again save a large amount of noble elements.
Application number be 201110326721.8 Chinese invention patent, disclose a kind of hardened face gear and hardened face gear renovation technique, providing a kind of hardened face gear restorative procedure, melting laminating gold copper-base alloy through pretreated gear, being then worked into size.And application number is the Chinese invention patent of 201310054557.9, a kind of restorative procedure of aero-engine blade damage is disclosed, describe a kind of restorative procedure of aero-engine blade damage, the method carries out staging treating according to blade surface size shape feature to be repaired, set each section of hot input parameter of pulse plasma and pulsed wire feeding controling parameters, Plasma Welding reparation is carried out in segmentation.
Laser-impact reparation utilizes laser-impact wave impact to repair position, make this part material generation modification or packing material and bulk material are merged, as " damaged metal blade laser impact repairing device and the method " (Chinese Patent Application No.: the device 200610161352.0) describing a kind of reblading crackle of Ren Xudong etc., this device comprises positioning mechanical arm, saving head, cleaning brush and controller, in laser-impact repair process, by saving head, high polymer material patch is provided to reparation position, blade is moved to laser facula place by positioning mechanical arm, laser blast wave is utilized patch material to be clamp-oned in crackle and is combined with bulk material, laser-impact repairs surface with cleaning brush cleaning after repairing.
Routine again manufacturing installation reparation is separated with detection, and need carry out on different devices, the part after reparation often needs follow-up processing; And the residual tension that after repairing, the surface of part produces need heat-treat elimination, the distortion of part is large, and rehabilitation cost is high.
Summary of the invention
The object of the invention is to the deficiency overcoming above-mentioned prior art, a kind of stress control 3D is provided to print manufacturing installation again, repair and synchronously carry out with detecting, part fatigue resistance after reparation and wear resisting property high, extend again finished parts work-ing life, and the part after repairing does not need following process, rehabilitation cost is low.
To achieve these goals, the technical solution used in the present invention is: a kind of stress control 3D prints manufacturing installation again, it is characterized in that: comprise fuselage, the worktable be arranged on fuselage, the worktable controller be connected with worktable, be arranged on fuselage epigraph gathering device, laser system, feed system, printhead and computer; Laser system comprises the high-frequency printing laser apparatus of small power, the impact laser apparatus of high power low-frequency rate and Laser system controller, and feed system is made up of pay-off, charging line and the feeding controller that is connected with pay-off; Computer is connected with worktable controller, laser controller, feeding controller and image collecting device respectively by data line; Laser controller respectively with printing laser apparatus, impact laser apparatus and printhead is connected; Pay-off is connected with printhead by charging line.
Further, described printhead is made up of feeding mouth, speculum and set of lenses, and described pay-off is connected with feeding mouth by charging line.
Further, described built-in computer has image capturing system and treatment system.
The present invention also provides a kind of reproducing method utilizing above-mentioned stress control 3D to print again manufacturing installation, it is characterized in that: comprise the steps:
1) cleaned part to be repaired is fitted through fixture to install on the table;
2) gathered the 3-D view of part to be repaired by image capturing system, and set up three-dimensional CAD model and workpiece original design model comparison determination restoring area by computer and repair surplus;
3) pay-off will melt cover material material and deliver to printhead, be coated on part place to be repaired, laser controller control printing laser apparatus sends to melt and covers laser beam, clad material is melted in scanning, make melt clad material fusing and merge with primer, again by controlling worktable rotary workpiece, complete all positions to be repaired;
4) control to print laser apparatus by laser controller to send and melt laser beam, adopt and melt laser beam and workpiece surface is repaired make its dimensional precision reaching original design and surface accuracy;
5) start impact laser apparatus by laser controller and send out stress laser beam, utilize destressing laser beam impinge workpiece restoring area to eliminate workpiece reparation because of the uneven residual tension produced that is heated;
6) control to impact laser apparatus generation strengthening laser beam by laser controller and shock peening is carried out to workpiece surface, make workpiece surface form residual compressive stress layer.
The invention has the beneficial effects as follows: structure is simple, easy to operate.The reparation of part and detection are synchronously carried out, the reparation of part with repair after stress control use same equipment to process, the part fatigue resistance after reparation and wear resisting property high, extend and manufacture workpiece work-ing life again, and the workpiece after repairing does not need following process, rehabilitation cost is low.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the structural representation that a kind of stress control 3D of the present invention prints manufacturing installation again.
In diagram: 1, computer; 2, data line; 3, fuselage; 4, image collecting device; 5, pay-off; 6, feeding controller; 7, laser controller; 8, laser apparatus is printed; 81, laser apparatus is impacted; 9, charging line; 10, feeding mouth; 11, printhead; 12, speculum; 13, set of lenses; 14, laser beam; 15, worktable; 16, fixture; 17, workpiece; 18, worktable controller.
Embodiment
As shown in Figure 1, 2, a kind of stress control 3D of the present invention prints manufacturing installation again, comprises fuselage 3, the worktable 15 be arranged on fuselage 3, the worktable controller 16 be connected with worktable, is arranged on fuselage 3 epigraph gathering device 4, laser system, feed system, printhead 11 and computer 1.Wherein, laser system comprises the high-frequency printing laser apparatus 8 of small power, the impact laser apparatus 81 of high power low-frequency rate and Laser system controller, and feed system is made up of pay-off 5, charging line 9 and the feeding controller 6 that is connected with pay-off.
Above computer 1 is built-in with image capturing system and treatment system, and is connected with image collecting device 4 with worktable controller 18, laser controller 7, feeding controller 6 respectively by data line.Laser controller 7 respectively with printing laser apparatus 8, impact laser apparatus 81 and printhead 11 is connected; Printhead is made up of feeding mouth 10, speculum 12 and set of lenses 13.Pay-off 5 is connected with feeding mouth 10 by charging line 9.
A kind of reproducing method utilizing above-mentioned stress control 3D to print again manufacturing installation of the present invention, comprises the following steps:
1) workpiece to be repaired 17 after cleaning, polishing is arranged in the fixture 16 on worktable 15;
2) by worktable controller 18 traverser 15, the detection reference alignment image gathering device 4 of the workpiece 17 selected is made; Start image collecting device 4, gather the image of workpiece 17, and by data line 2, graphic information is transferred to computer 1; Computer 1 controls worktable 15 by worktable controller 18 and moves, and makes image collecting device 4 can gather the complete three dimensional image of workpiece 17, and sends to computer 1 by data line 2; Image recognition software on computer 1 sets up the three-dimensional CAD model of workpiece 17 according to the 3-D view gathered, and with the three-dimensional CAD model comparison that the original plan sheet of workpiece 17 is set up, determine reparation position and the reparation surplus of workpiece 17;
3) computer 1 makes worktable 15 move by worktable controller 18, by the position to be repaired align printhead 11 of workpiece 17; Computer 1 starts printing laser apparatus 8 by laser controller 7, prints laser apparatus 14 and sends preheating laser beam, preheating laser beam, its spot diameter 1 ~ 1.5mm, power density (150 ~ 200) × 10
12w/m
2, pulse width 10ms, laser beam flying speed 2 ~ 2.5mm/s that worktable 15 motion produces.
[0018the reparation position of the speculum 12 of laser beam 14 in printhead 11, set of lenses 13 irradiation workpiece 17, simultaneous computer 1 controls worktable 15 by worktable controller 18 and moves, and makes laser beam 14 carry out scanning preheating to position to be repaired.Computer 1 controls pay-off 5 by feeding controller 6 and sets feeding parameter by computer 1 and carry out feeding, melts cover material material is coated on workpiece 17 position to be repaired by the feeding mouth 10 of charging line 9 in printhead 11, melts clad material thickness 10 ~ 50 microns; Computer 1 sends to melt by laser controller 7 control printing laser apparatus 8 and covers laser beam 14.Melt the spot diameter 1 ~ 1.5mm covering laser beam, power density 200 ~ 250 × 10
12w/m
2, pulse width 13ms, laser beam flying speed 1 ~ 1.5mm/s that worktable 15 motion produces.The speculum 12 of laser beam 14 in printhead 11, set of lenses 13 irradiation workpiece 17 melt clad material, and control worktable 15 by worktable controller 18 and move, laser beam 14 is scanned and melts clad material, make melt clad material fusing and merge with primer.
Repeating step 3), until repairing surplus is zero, till namely workpiece 17 reaches size;
4) computer 1 controls to print laser apparatus 8 by laser controller 7 and sends the reparation position of melting laser beam 14 pairs of workpiece 17 and carry out trace and melt finishing, makes the reparation spot size of workpiece 17 and surface accuracy reach design requirements; Melt the spot diameter 0.5 ~ 0.8mm of laser beam, power density (100 ~ 140) × 10
12w/m
2, pulse width 5ms, laser beam flying speed 0.3 ~ 0.5mm/s that worktable 15 motion produces.
5) computer 1 cuts out by laser controller 7 and prints laser apparatus 8, start simultaneously and impact the reparation position that laser apparatus 81 sends the destressing laser beam 14 irradiation workpiece 17 of relatively high power low frequency, and control worktable 15 by worktable controller 18 and move, make laser beam 14 carry out pointwise and impact to repairing position and eliminate the residual tension that workpiece 17 repairs position and neighboring area thereof.Spot diameter 2 ~ the 2.5mm of destressing laser beam, power density (200 ~ 280) × 10
13w/m
2, pulse width 23ns, laser beam flying speed 1 ~ 1.5mm/s that worktable 15 motion produces.
6) computer 1 controls to impact the reparation position that laser apparatus 81 sends the strengthening laser beam irradiation workpiece 17 of relatively high power low frequency by laser controller 7, and control worktable 15 by worktable controller 18 and move, make the surface of laser beam 14 pairs of workpiece 17 carry out pointwise impact, make workpiece 17 surface produce residual compressive stress layer.Spot diameter 2 ~ the 2.5mm of strengthening laser beam, power density (300 ~ 350) × 10
14w/m
2, pulse width 23ns, laser beam flying speed 1 ~ 1.5mm/s that worktable 15 motion produces.
Finally should be noted that; above content is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; the simple modification that those of ordinary skill in the art carries out technical scheme of the present invention or equivalently to replace, does not all depart from essence and the scope of technical solution of the present invention.
Claims (4)
1. stress control 3D prints a manufacturing installation again, it is characterized in that: comprise fuselage, the worktable be arranged on fuselage, the worktable controller be connected with worktable, be arranged on fuselage epigraph gathering device, laser system, feed system, printhead and computer; Laser system comprises the high-frequency printing laser apparatus of small power, the impact laser apparatus of high power low-frequency rate and Laser system controller, and feed system is made up of pay-off, charging line and the feeding controller that is connected with pay-off; Computer is connected with worktable controller, laser controller, feeding controller and image collecting device respectively by data line; Laser controller respectively with printing laser apparatus, impact laser apparatus and printhead is connected; Pay-off is connected with printhead by charging line.
2. stress control 3D according to claim 1 prints manufacturing installation again, it is characterized in that: described printhead is made up of feeding mouth, speculum and set of lenses, and described pay-off is connected with feeding mouth by charging line.
3. stress control 3D according to claim 1 prints manufacturing installation again, it is characterized in that: described built-in computer has image capturing system and treatment system.
4. utilize stress control 3D described in claim 3 to print again a reproducing method for manufacturing installation, it is characterized in that: comprise the steps:
1) cleaned trade union college to be repaired is installed on the table by fixture;
2) gathered the 3-D view of workpiece to be repaired by image capturing system, and set up three-dimensional CAD model and workpiece original design model comparison determination restoring area by computer and repair surplus;
3) pay-off will melt cover material material and deliver to printhead, be coated on workpiece place to be repaired, laser controller control printing laser apparatus sends to melt and covers laser beam, clad material is melted in scanning, make melt clad material fusing and merge with primer, again by controlling worktable rotary workpiece, complete all positions to be repaired;
4) control to print laser apparatus by laser controller to send and melt laser beam, adopt and melt laser beam and workpiece surface is repaired make its dimensional precision reaching original design and surface accuracy;
5) start impact laser apparatus by laser controller and send out stress laser beam, utilize destressing laser beam impinge workpiece restoring area to eliminate workpiece reparation because of the uneven residual tension produced that is heated;
6) control to impact laser apparatus generation strengthening laser beam by laser controller and shock peening is carried out to workpiece surface, make workpiece surface form residual compressive stress layer.
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| CN201510549746.2A CN105239080A (en) | 2015-09-01 | 2015-09-01 | Stress control 3D printing reproducing device and reproducing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141439A (en) * | 2016-08-13 | 2016-11-23 | 中北大学 | Eliminate the laser-impact device of laser fusion molded article residual stress |
| CN106825574A (en) * | 2017-04-18 | 2017-06-13 | 广东工业大学 | A kind of metal gradient material laser impact forges compound increasing material manufacturing method and device |
| CN109402372A (en) * | 2018-08-29 | 2019-03-01 | 中国人民解放军空军工程大学 | A kind of quick coating unit of absorption protective layer and method based on 3D printing technique |
| CN110352105A (en) * | 2017-01-30 | 2019-10-18 | 西门子能源有限公司 | The method of the increasing material manufacturing of component |
| CN111235380A (en) * | 2020-02-24 | 2020-06-05 | 广州民航职业技术学院 | Control method for surface layer characteristic parameter gradient during damaged metal component repair |
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| CN103753098A (en) * | 2013-12-31 | 2014-04-30 | 上海彩石激光科技有限公司 | Turbine engine blade automatic repairing device and method |
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| CN103753098A (en) * | 2013-12-31 | 2014-04-30 | 上海彩石激光科技有限公司 | Turbine engine blade automatic repairing device and method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141439A (en) * | 2016-08-13 | 2016-11-23 | 中北大学 | Eliminate the laser-impact device of laser fusion molded article residual stress |
| CN106141439B (en) * | 2016-08-13 | 2017-12-08 | 中北大学 | Eliminate the laser-impact device of laser fusion molded article residual stress |
| CN110352105A (en) * | 2017-01-30 | 2019-10-18 | 西门子能源有限公司 | The method of the increasing material manufacturing of component |
| CN110352105B (en) * | 2017-01-30 | 2021-11-30 | 西门子能源美国公司 | Method of additive manufacturing of a component |
| US11359290B2 (en) | 2017-01-30 | 2022-06-14 | Siemens Energy, Inc. | Method of additive manufacturing of components |
| CN106825574A (en) * | 2017-04-18 | 2017-06-13 | 广东工业大学 | A kind of metal gradient material laser impact forges compound increasing material manufacturing method and device |
| CN106825574B (en) * | 2017-04-18 | 2020-02-07 | 广东工业大学 | Laser impact forging composite additive manufacturing method and device for metal gradient material |
| CN109402372A (en) * | 2018-08-29 | 2019-03-01 | 中国人民解放军空军工程大学 | A kind of quick coating unit of absorption protective layer and method based on 3D printing technique |
| CN111235380A (en) * | 2020-02-24 | 2020-06-05 | 广州民航职业技术学院 | Control method for surface layer characteristic parameter gradient during damaged metal component repair |
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Application publication date: 20160113 |