CN2480096Y - Apparatus for reinforcing thermo-roller by high-frequency pulse laser - Google Patents
Apparatus for reinforcing thermo-roller by high-frequency pulse laser Download PDFInfo
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- CN2480096Y CN2480096Y CN 00264772 CN00264772U CN2480096Y CN 2480096 Y CN2480096 Y CN 2480096Y CN 00264772 CN00264772 CN 00264772 CN 00264772 U CN00264772 U CN 00264772U CN 2480096 Y CN2480096 Y CN 2480096Y
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- movable stand
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- roll
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Abstract
The utility model relates to a device capable of intensifying hot rolls with high-frequency impulse laser, composed of a laser device and a double-track numerical control machine, wherein a servomotor is arranged at the fore side of the machine and is connected with a threaded spindle via a connection, and the threaded spindle is fixed to the fore end and the rear end of the machine via two bearings. An L-shaped movable stand with a base is connected with the tracks of the machine in slide fit, and the base of the movable stand is provided with a slid table which is connected with the tracks of a workbench in slid fit, wherein the two parallel tacks are provided with a threaded spindle which is connected with the servomotor via a connection, and the servomotor is connected with a computer in electric connection. Further, a light path, a complementary gas mount and a control part with CCD supervising function are arranged on the movable stand.
Description
The utility model relates to a kind of device that hot roll is strengthened, and particularly relates to a kind of device that hot roll is adopted the high-frequency impulse laser reinforcing.
Along with the development of Chinese national economy, also increasing to the demand of iron and steel, since nineteen ninety-seven the year output of steel of China has been broken through 1.2 hundred million tons, occupies the position of the first in the world big steel country year after year.The roll loss that brings thus is also very big, reaches several hundred million units every year.Because temperature is generally about 1000 ℃ during steel rolling, thus require roll under higher temperature, to have certain intensity and toughness, and higher wearability, common intensifying method is difficult to prove effective.Simultaneously, in order to control the production cost of steel per ton, the roll loss that requires steel per ton for example, generally requires 5 yuan of steel per ton for wire rod in certain limit, so the necessary economical and effective of the method that roll is handled.Thereby study a kind of cost-effective method hot roll is carried out intensive treatment, reduce the roll loss for metallurgical system, improve the quality of products, be that very big meaning is arranged.
The method of how hot roll being handled does not have ripe method at present, but with YAG laser treatment cold roll system, as China Patent No.: 92113223.9, denomination of invention: high frequency modulation multy-pulse YAG laser engraving design system and processing method are introduced, its cardinal principle is to adopt acousto-optic Q modulation YAG laser instrument, to laser pulse organize into groups, frequency conversion to be to process material surface.This device adopts a Digit Control Machine Tool, and workpiece is contained on the anchor clamps of lathe, and is moving at motor-driven lower edge y-axis shift, focus head moves at another motor-driven lower edge directions X on its vertical direction directions X, to realize processing,, also can realize breaker roll processing if Y-axis is a revolving part to planar member.Its pulsed laser energy is little, has only several mJ, and pulsewidth is little, about 1 microsecond, so the laser action district is little, about about 20 microns, can not be used on the hot roll.
The device that the purpose of this utility model is to overcome prior art is a kind of general roll texturing lathe, rather than special roller strengthens the lathe of processing, and therefore, it can not realize automatic control, and roll is strengthened the not enough shortcoming of the degree of depth of processing; Further can only handle the unicity shortcoming of common straight roll for the device that overcomes prior art; In order to realize that profile shapes is carried out hot roll to be strengthened, thus provide a kind of easy to operate, cost is low that hot roll is adopted the device of high-frequency impulse laser reinforcing.
The purpose of this utility model is achieved in that a kind of device that hot roll is adopted the high-frequency impulse laser reinforcing that the utility model provides, comprise a pair of guide rail Digit Control Machine Tool, laser instrument and light path, assist gas mechanism, have the control section of CCD function for monitoring, it is characterized in that: described pair of guide rail Digit Control Machine Tool is the lathe that a main shaft adopts frequency control motor; Pacify a servomotor in lathe head side, a rhizoid thick stick is installed between the lathe head and tail, leading screw is fixed with lathe head and lathe tail respectively by two bearings, and servomotor and leading screw link by shaft coupling; The movable stand (3) of one L-shaped, base band V-shaped groove, the guide rail cunning of its base and lathe is joined, movable stand (3) matches by nut (35) and leading screw (36), leading screw (18) is fixed on the workbench (22), servomotor (19) and leading screw (18) link by shaft coupling, servomotor (19) and computer (5)] electrical coupling; The guide rail cunning of slide unit (17) and workbench (22) is joined, and workbench (22) is screwed on movable stand (3); Slide unit (17) and nut are fixed by screw; Movable stand is by leading screw moving along Z-direction (roll mandrel to) thus; The translational speed of movable stand is determined by computer-controlled servomotor.
Described laser instrument can adopt the continuous pulse laser of transferring behind the Q that the repetition pulse frequency is 1-2k, power 300W-500W that has, the light path that positioned vertical constitutes at the place ahead and mirror group, the focusing unit of movable stand; Wherein the movable stand top settles one 45 ° of total reflective mirrors, movable stand below to settle one 45 ° of total reflective mirrors in order, be fixed on a focusing unit on the slide unit, and the light incident focus lamp group after the reflection is focused at roller surface, and breaker roll is processed; The guide rail cunning of slide unit and subtable is joined, and subtable is screwed on movable stand; Slide unit and nut are fixed by screw, servomotor links to each other with the control leading screw with shaft coupling, like this by control servomotor just can control slide unit along directions X (roll radially) translational speed and position, with the realization roll of different-diameter is handled, its transmission principle is similar with movable stand; Two focus lamps are formed the focus lamp group, its another effect is the pre-objective that imaging is used as CCD, with the unified objective system that constitutes the CCD imaging of another objective lens, its advantage is that the distance between the objective lens changes arbitrarily in scope of design, and is unlikely to imaging definition is impacted.This mirror group is the rearmounted mirror group of CCD imaging, adopts common change times structure, promptly is made up of many set of contact lenses, and the position that changes each eyeglass can obtain the different image of multiplication factor by CCD on monitor.Also having a mirror group is CCD imaging eyepiece.45 ° of eyeglasses that are all-trans of YAG laser have semi-transparent semi-reflecting effect to visible light.Focus lamp group, the rearmounted objective lens of CCD, CCD imaging eyepiece, CCD camera constitute the imaging system light path together, and on the CCD pixel, vision signal is sent on the monitor with roller surface pattern amplification imaging, is used for process is monitored in real time.Shot-light provides the visible illumination source for the CCD imaging, and eyeglass is 45 ° of total reflective mirrors of visible light, and its upper and lower faces is coated with YAG laser anti-reflection film, has full impregnated to cross effect to YAG laser.Two 45 ° of speculums, diaphragm shot-lights constitute lighting mechanism, for the CCD imaging provides light source.One protection lens barrel, the protection eyeglass is equipped with at its rear portion, and the foul of avoiding producing in the process pollutes the mirror group.
The assist gas structure: anchor clamps link to each other with slide unit with screw, can move forward and backward with slide unit.One macropore is arranged on the clamp face plate, and car has screw thread in the macropore, and the focus lamp group is installed in the protection lens barrel, and it is fixed by macropore internal thread and anchor clamps.One valve that is used to spray working gas passes the aperture on the clamp face plate, is fixed on the anchor clamps with nut, and the valve front end is a nozzle, and the rear end is connected on the working gas cylinder by flexible pipe; Valve air blowing adjustable angle joint, working gas is injected in the laser action zone.Another valve that is used for injecting protective gas is fixed on the protection lens barrel by threaded engagement, and the valve front end is a nozzle, and the rear end is associated on the protective gas cylinder by flexible pipe.The valve injecting protective gas, available compressed air, purpose is dustproof and the cooling eyeglass.One protection eyeglass is arranged in the protection lens barrel, and its two sides is coated with YAG laser anti-reflection film.
Comprising that also a roll surface follows part, is that another aperture that a sensor passes on the clamp face plate is fixed on the anchor clamps with nut, and these anchor clamps are fixed on the slide unit; Sensor is electrically connected with industrial computer, and it transfers the distance between focus lamp and the roll to signal of telecommunication input industrial computer, after industrial computer is handled signal, drives focus lamp automatic focus, to realize the processing of breaker roll.Sensor can be an inductance type transducer.
Control system: form by industrial computer, control card and image pick-up card.Can realize the intellectuality processing of breaker roll by program composition.The control system block diagram as shown in Figure 6.
Its basic principle is such: as shown in Figure 6, set the defocusing amount of processing earlier, be generally negative 100 μ m to positive 100 μ m, add the focal length of focus lamp, be generally 60mm-120mm, need to decide on processing.Their sums are the distance of the focus lamp of setting to roll surface, and the distance that it and sensor are surveyed compares, and the result delivers to computer, when the difference of distance surpasses 10 μ m, computer is given motor 19 to signal, drives focus lamp 9 to suitable position, makes focus lamp to the position of roll surface be setting value.
A kind of device to hot roll employing high-frequency impulse laser reinforcing that the utility model provides has the following advantages:
1, owing to the continuous pulse laser that the repetition pulse frequency is 1-2k, power 300W-500W that has behind the employing accent Q, the pulsewidth of laser pulse can vary continuously to a millisecond magnitude by the microsecond magnitude, it is burnt that pulse energy can vary continuously to the hundreds of milli by a few milli Jiao, the case depth of laser reinforcing processing roll is increased to the hundreds of micron by several microns like this, hardness can reach HRc66 above (Fig. 8), and this device can be widely used in workpiece intensive treatment such as breaker roll, mould, bearing.
Because iron and steel is to CO
2The absorptivity of laser is little, usually CO
2Heat treatment all will be in preliminary treatment such as surface of the work blackout, complex process, and high-power CO
2Laser treatment, heat deposition is big, the yielding cracking of workpiece etc.YAG pulsed laser power density height can be realized powerful CO with low power laser instrument (500W)
2The treatment effect of laser instrument (5000W), the little high efficiency of customer investment.Because iron and steel to the good absorbing of YAG laser, need not carry out preliminary treatment before handling, technology is simple, is convenient to realize automation simultaneously.The utility model has the fast characteristics of process velocity with respect to common power modulation system YAG laser, general power supply modulation system YAG laser pulse frequency has only tens times, can only be used for the processing of miniature workpiece, laser pulse frequency of the present utility model can reach thousands of times, be the former tens times, can be used for processing large-scale roller.
2, the utility model breaker roll carries out distributed treatment (Fig. 7), by regulating laser power density and strengthening point distributed constant, can reduce roll deformation and tearing tendency, the generation of control micro-crack, can be used for handling the roll of last several sorties, roll can be directly used in production after handling, and can significantly improve the hot roll life-span, improves product quality simultaneously.The hot rolling wire roller after treatment, the life-span improves 50%, product quality has obtained tangible improvement, has reduced working strength of workers simultaneously.
3, the utility model can be used for the processing to special-shaped roller.For the workpiece of roll surface regular shape such as wire rod roller, can configure defocusing amount to its geomery input computer, power density, distributed constant, behind the technological parameters such as air pressure, system will handle it automatically.For spill roller in irregular shape or convex roller, can start the roll forming automatic tracking system, configure technological parameters such as defocusing amount after, system will process from the motion tracking roll forming.
4, the utility model adopts double air road system.Gas circuit one blowing compressed air is used for the focus lamp group is protected, and mainly contains effect dustproof, the cooling eyeglass.Gas circuit two is blown working gas, formed molten bath when blowing to laser irradiation roll, the angle of air blowing can be regulated as required, gas compressed air, argon gas, oxygen etc. are arranged, select effect such as moulding is arranged, protect, flux according to arts demand.
Below in conjunction with drawings and Examples the utility model is elaborated:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a movable stand transmission schematic diagram of the present utility model
Fig. 3 is a light path schematic diagram of the present utility model
Fig. 4 is an assist gas gas circuit schematic diagram of the present utility model
Fig. 5 is an anchor clamps schematic diagram of the present utility model
Fig. 6 is a control system schematic diagram of the present utility model
Drawing is described as follows: 1. 45 ° of total reflective mirrors of 6.45 ° of total reflective mirrors of lathe head 2. servomotors, 3. movable stand 4. monitors, 5. industrial computers, 7. sealing light path 8. laser instruments, 9. focus lamps rearmounted objective lens 12.CCD imaging eyepiece 13.CCD camera 14. visible lights of 10.45 ° of total reflective mirror 11.CCD imaging, 15. diaphragms, 16. illumination reflector lamps, 17. slide units, 18. leading screws, 19. direct current generators, 20. protection lens barrels, 21. feed screw nuts, 22. workbench, 23. working gas valves, 24. protective gas valves 25. are protected eyeglasses 26. sensors 27. anchor clamps 28. screw holes 29. focus lamp fixing holes 30. screw holes 31. working gas valve fixing holes 32. sensor fixing holes 33. shaft coupling 34.37. bearings 35. feed screw nuts 36. leading screws
Embodiment 1
Present embodiment is pressed a kind of device that hot roll is adopted the high-frequency impulse laser reinforcing that Fig. 1-3 makes, comprise that a main shaft adopts 2 pairs of guide rail simple nc machines of frequency control motor, pacify a servomotor 2 in lathe head 1 side, one rhizoid thick stick is installed between lathe head 1 and the tail, leading screw is fixed with lathe head 1 and lathe tail respectively by two bearings, and servomotor 2 and leading screw 36 link by shaft coupling 33.Movable stand 3 is joined with the guide rail cunning of lathe, matches by nut and leading screw 36, rotates by leading screw 36 thus, and movable stand 3 is mobile along Z-direction (roll mandrel to); The translational speed of movable stand 3 is controlled by computer 5 by servomotor 2 decisions; Fig. 2 is a movable stand transmission schematic diagram.Laser instrument 8 adopts the continuous pulse laser of transferring behind the Q that the repetition pulse frequency is 1-2k, power 300W-500W that has, the light path that positioned vertical constitutes at the place ahead and mirror group, the focusing unit of movable stand 3; Wherein movable stand 3 tops settle one 45 ° of total reflective mirrors 6, movable stand 3 belows to settle 14,10, focusing units of one 45 ° of total reflective mirrors to be fixed on the slide unit 17 in order; reverberation on being installed in slide unit 17, be installed in protection in the lens barrel 20 9 focusing of two laser condensing lens groups and be focused at roller surface; described focusing unit is to be fixed on the movable stand 3; move along the z axle with movable stand, movable stand 3 is driven by leading screw 36 by servomotor 2.Focusing system as shown in Figure 3, mirror group 9 is the focus lamp of YAG laser, the guide rail cunning of slide unit 17 and workbench 22 is joined, workbench 22 is screwed on movable stand; Direct current generator 19 usefulness shaft couplings link to each other with control leading screw 18, like this by control direct current generator 19 just can control slide unit 22 along directions X (roll radially) translational speed and position, with realization the roll of different-diameter is handled, its transmission principle is similar with movable stand 3, with reference to figure 2.Another effect of focus lamp group 9 is the pre-objective 11 that imaging is used as CCD, with the pre-objective 11 unified objective systems that constitute the CCD imaging, its advantage is that the distance between the objective lens 9,11 changes arbitrarily in scope of design, and is unlikely to imaging definition is impacted.Mirror group 11 is rearmounted mirror groups of CCD imaging, adopts common change times structure, promptly is made up of many set of contact lenses, and the position that changes each eyeglass can obtain the different image of multiplication factor by CCD on monitor.Eyeglass 10 is 45 ° of eyeglasses that are all-trans of YAG laser, visible light is had semi-transparent semi-reflecting effect, focus lamp group 9, the rearmounted objective lens 11 of CCD, CCD imaging eyepiece 12, CCD camera 13 constitute imaging system together, with roller surface pattern amplification imaging on the CCD pixel, vision signal is sent on the monitor 4, is used for process is monitored in real time.The 16th, shot-light, for the CCD imaging provides the visible illumination source, eyeglass 14 is 45 ° of total reflective mirrors of visible light, it is upper and lower, has full impregnated to cross effect to YAG laser.10,45 ° of speculums 14 of 45 ° of speculums, diaphragm 15, shot-light 16 constitute illuminator, for the CCD imaging provides light source.Protection eyeglass 23 is equipped with at one protection lens barrel, 20 rear portions, and the foul of avoiding producing in the process pollutes mirror group 9.
Assist gas: anchor clamps 25 usefulness screws link to each other with slide unit 22, can move forward and backward with slide unit 22.One macropore 29 is arranged on the panel of anchor clamps 25, and car has screw thread in the macropore 29, and focus lamp group 9 links to each other with the folder anchor clamps by screw thread at this.Valve 23 passes hole 32, is fixed on valve with nut and is fixed on the anchor clamps.Valve 23 front ends are nozzle, and the rear end is connected on the working gas cylinder by flexible pipe.Valve 23 sprays working gas, air blowing adjustable angle joint, and working gas is injected in the laser action zone.Valve 24 is fixed on the protection lens barrel 20 by threaded engagement, protection eyeglass 25, and its two sides is coated with YAG laser anti-reflection film.Front end is a nozzle, and the rear end is associated on the protective gas cylinder by flexible pipe.Valve 24 injecting protective gas, available compressed air, purpose is dustproof and cooling protection eyeglass 25.
Its basic principle is such: as shown in Figure 6, set the defocusing amount of processing earlier, be generally negative 100 μ m to positive 100 μ m, add the focal length of focus lamp, be generally 60mm-120mm, need to decide on processing.Their sums are the distance of the focus lamp of setting to roll surface, and the distance that it and sensor are surveyed compares, and the result delivers to computer, when the difference of distance surpasses 10 μ m, computer is given motor 19 to signal, drives focus lamp 9 to suitable position, makes focus lamp to the position of roll surface be setting value.
Control system: form by general industrial computer, control card and image pick-up card, can realize the intellectuality processing of breaker roll by program composition.The control system block diagram as shown in Figure 6.
On present embodiment is pressed embodiment 1 that Fig. 1-3 makes a kind of device basic that hot roll is adopted the high-frequency impulse laser reinforcing, comprise that also a roll surface follows part, be that an inductance type transducer 26 passes little 31 usefulness nuts on the panel of anchor clamps 25 and is fixed on anchor clamps 27, one anchor clamps 27 and is fixed on the protection lens barrel 20; Inductance type transducer 26 is electrically connected with industrial computer 5, it transfers the distance between focus lamp 9 and the roll to signal of telecommunication input industrial computer 5, after 5 pairs of signals of industrial computer are handled, drives focus lamp 9 automatic focuses, to realize the processing of breaker roll, particularly to the processing of profile shapes roll.
Claims (6)
1, a kind of device that hot roll is adopted the high-frequency impulse laser reinforcing, comprise a pair of guide rail Digit Control Machine Tool, laser instrument and light path, assist gas mechanism, have the control section of CCD function for monitoring, it is characterized in that: described pair of guide rail Digit Control Machine Tool is the lathe that a main shaft adopts frequency control motor; Pacify a servomotor (2) in lathe head side, a rhizoid thick stick (36) is fixed with lathe head (1) and lathe tail respectively by two bearings, and servomotor (2) and leading screw (36) link by shaft coupling (33); The movable stand (3) of one L-shaped, base band V-shaped groove, the guide rail cunning of its base and lathe is joined, movable stand (3) matches by nut (35) and leading screw (36), leading screw (18) is fixed on the workbench (22), servomotor (19) and leading screw (18) link by shaft coupling, servomotor (19) and computer (5)] electrical coupling; The guide rail cunning of slide unit (17) and workbench (22) is joined, and workbench (22) is screwed on movable stand (3); Slide unit (17) and nut are fixed by screw; Described laser instrument (8) and light path are the light paths that is made of laser instrument, mirror group (9), the focusing unit of positioned vertical in movable stand (3) the place ahead; Wherein movable stand (3) top settles one 45 ° of total reflective mirrors (6), movable stand (3) below to settle one 45 ° of total reflective mirrors (14,10), a focusing unit to be fixed on the slide unit (17) in order, reverberation is gone up, is installed in two laser condensing lens groups (9) focusing in the protection lens barrel (20) and be focused at roller surface through being installed in slide unit (17), and the port of export of protection lens barrel (20) is equipped with a protection eyeglass (25); Fix an assist gas mechanism on the anchor clamps 27; Provide the lighting mechanism of light source to constitute by one 45 ° of speculums (10), 45 ° of speculums (14), diaphragm (15), shot-light (16) for the CCD imaging.
2, a kind of device that hot roll is adopted the high-frequency impulse laser reinforcing according to claim 1, it is characterized in that: comprise that also a roll surface follows part, it is that an inductance type transducer (26) passes an aperture (31) and is fixed on the anchor clamps (27) with nut that described roll surface is followed part, and anchor clamps (27) are put and are fixed on the slide unit (17); Inductance type transducer (26) is electrically connected with industrial computer (5).
3, a kind of device that hot roll is adopted the high-frequency impulse laser reinforcing according to claim 1 and 2, it is characterized in that: described assist gas mechanism comprises: anchor clamps (27), link to each other with slide unit (17) with screw, one macropore (29) is arranged on the panel of anchor clamps (27), the interior car of macropore (29) has screw thread, focus lamp group (9) is installed in the protection lens barrel (20), and it is fixed by macropore (29) internal thread and anchor clamps; The aperture (32) that one valve (23) that is used to spray working gas passes on the clamp face plate links to each other with anchor clamps (27) by screw thread, and valve (23) front end is a nozzle, and the rear end is connected on the working gas cylinder by flexible pipe.
4, a kind of device that hot roll is adopted the high-frequency impulse laser reinforcing according to claim 1 and 2; it is characterized in that: also be included in and settle a sealing light path protective sleeve (7) on the light path; described sealing light path protective sleeve (7) is fixed on the movable stand (3) by an end of a stainless steel tube; the other end and sealing rubber ring are enclosed within another root stainless steel tube, and the other end of this stainless steel tube is fixed on the laser instrument (8).
5, a kind of device to hot roll employing high-frequency impulse laser reinforcing according to claim 1 and 2, it is characterized in that: it is 1-2k, power 300W-500W that described laser instrument (6) has the repetition pulse frequency.
6, a kind of device to hot roll employing high-frequency impulse laser reinforcing according to claim 1, it is characterized in that: the port of export of described protection lens barrel (20) is equipped with a protection eyeglass (25), and this protection eyeglass (25) two sides is coated with YAG laser anti-reflection film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00264772 CN2480096Y (en) | 2000-12-14 | 2000-12-14 | Apparatus for reinforcing thermo-roller by high-frequency pulse laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00264772 CN2480096Y (en) | 2000-12-14 | 2000-12-14 | Apparatus for reinforcing thermo-roller by high-frequency pulse laser |
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| Publication Number | Publication Date |
|---|---|
| CN2480096Y true CN2480096Y (en) | 2002-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00264772 Expired - Fee Related CN2480096Y (en) | 2000-12-14 | 2000-12-14 | Apparatus for reinforcing thermo-roller by high-frequency pulse laser |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100391680C (en) * | 2003-09-29 | 2008-06-04 | 浙江工业大学 | Laser strengthening process for metal leaf |
| CN101474725B (en) * | 2009-01-21 | 2011-11-16 | 西安天瑞达光电技术发展有限公司 | Laser shock processing system optical mask spitting-proof device |
| CN103433623A (en) * | 2013-08-28 | 2013-12-11 | 武汉钢铁(集团)公司 | Method and device for calibrating intervals between roughening points and roughening processing equipment |
| CN104722927A (en) * | 2015-03-31 | 2015-06-24 | 苏州汇能激光科技有限公司 | Adaptive focusing laser cutting head for fiber laser |
| CN108559819A (en) * | 2017-12-25 | 2018-09-21 | 江苏大学 | The laser transformation hardening method and processing unit (plant) of variable pitch/yaw bearing lasso raceway |
| CN111570416A (en) * | 2020-05-29 | 2020-08-25 | 济南大学 | Sucker rod belt cleaning device |
-
2000
- 2000-12-14 CN CN 00264772 patent/CN2480096Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100391680C (en) * | 2003-09-29 | 2008-06-04 | 浙江工业大学 | Laser strengthening process for metal leaf |
| CN101474725B (en) * | 2009-01-21 | 2011-11-16 | 西安天瑞达光电技术发展有限公司 | Laser shock processing system optical mask spitting-proof device |
| CN103433623A (en) * | 2013-08-28 | 2013-12-11 | 武汉钢铁(集团)公司 | Method and device for calibrating intervals between roughening points and roughening processing equipment |
| CN103433623B (en) * | 2013-08-28 | 2016-02-17 | 武汉钢铁(集团)公司 | A kind of texturing process equipment |
| CN104722927A (en) * | 2015-03-31 | 2015-06-24 | 苏州汇能激光科技有限公司 | Adaptive focusing laser cutting head for fiber laser |
| CN108559819A (en) * | 2017-12-25 | 2018-09-21 | 江苏大学 | The laser transformation hardening method and processing unit (plant) of variable pitch/yaw bearing lasso raceway |
| CN111570416A (en) * | 2020-05-29 | 2020-08-25 | 济南大学 | Sucker rod belt cleaning device |
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| CF01 | Termination of patent right due to non-payment of annual fee |