CN116855933A - Laser cladding remanufacturing device and method based on multi-angle accurate temperature control - Google Patents
Laser cladding remanufacturing device and method based on multi-angle accurate temperature control Download PDFInfo
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- CN116855933A CN116855933A CN202310828764.9A CN202310828764A CN116855933A CN 116855933 A CN116855933 A CN 116855933A CN 202310828764 A CN202310828764 A CN 202310828764A CN 116855933 A CN116855933 A CN 116855933A
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- 238000004372 laser cladding Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005253 cladding Methods 0.000 claims abstract description 64
- 230000007547 defect Effects 0.000 claims abstract description 30
- 238000004321 preservation Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 230000008439 repair process Effects 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 13
- 238000004088 simulation Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000010583 slow cooling Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a laser cladding remanufacturing device based on multi-angle accurate temperature control, which comprises a cladding device, filling powder, two temperature control units, a control cabinet, a mechanical arm and a computer, wherein the temperature control units comprise a resistance wire and an infrared thermometer which are connected in parallel. Meanwhile, the invention discloses a laser cladding remanufacturing method based on multi-angle accurate temperature control, which comprises the following steps: 1. preheating before laser cladding: i, pre-heating in the early stage: II, determining a preheating range: III, formal preheating; 2. and (3) laser cladding: the cladding device is continuously repaired until the repair work is completed; 3. heat preservation after laser cladding: and after the laser cladding is finished, carrying out heat preservation treatment on the repair area. According to the invention, the temperature difference in the laser cladding process is reduced by preheating, temperature measuring and heat preservation of the surrounding area of the defect, so that the residual stress is reduced, the cladding quality is ensured, and the weapon equipment is quickly repaired in situ under the battlefield condition.
Description
Technical Field
The invention relates to the technical field of laser cladding remanufacturing, in particular to a laser cladding remanufacturing method and device based on multi-angle accurate temperature control.
Background
Rapid in situ repair of weaponry is a significant challenge in the field of remanufacturing, where laser cladding remanufacturing technology is an important component of this field. In the repair process, the laser cladding area has a metallurgical reaction, the temperature of the laser cladding area is obviously increased, and the ambient temperature is low, so that larger residual stress can be generated. Therefore, it is necessary to provide a device for solving the problem of excessive residual stress in the repairing process.
Disclosure of Invention
The invention aims to solve the problem of providing a laser cladding remanufacturing method and device based on multi-angle accurate temperature control, which reduce the temperature difference in the laser cladding process by preheating, measuring the temperature and preserving the heat of the surrounding area of a defect, further reduce the residual stress and ensure the cladding quality, thereby enabling weapon equipment to be quickly repaired in situ under the battlefield condition.
The invention discloses a laser cladding remanufacturing device based on multi-angle accurate temperature control, which comprises a cladding device, filling powder, two temperature control units, a control cabinet, a mechanical arm and a computer, wherein the temperature control units comprise a resistance wire and an infrared thermometer which are connected in parallel; the cladding device is placed above the damaged piece, filling powder is arranged in the cladding device, two temperature control units are symmetrically arranged on two sides of the cladding device, the upper part of the cladding device is clamped by the mechanical arm, the two temperature control units are electrically connected with the control cabinet, and the control cabinet is electrically connected with the mechanical arm.
Further, the cladding device carries out laser cladding on the damaged piece through filling powder; the resistance wire is used for preheating and preserving heat of the surrounding area of the defect of the damaged piece; the infrared thermometer is used for monitoring the temperature of the resistance wire and the temperature of the heating area in real time, and timely feeding data back to the computer through the mechanical arm and the control cabinet to generate a temperature distribution curve; and the computer adjusts parameters of the control cabinet according to signals fed back by the infrared thermometer, the control cabinet controls the mechanical arm to move, and commands of different position path planning and temperature control are executed.
Further, before cladding, the resistance wire preheats the surrounding area of the defect of the damaged piece, and is used for improving the surface temperature of the workpiece and reducing the residual stress; after cladding work is completed, the resistance wire plays a role in heat preservation, and is used for increasing the temperature of a working area and preventing residual stress from being generated when the defect part is cooled too fast.
The invention discloses a laser cladding remanufacturing method based on multi-angle accurate temperature control, which comprises the following steps of: 1. preheating before laser cladding; 2. cladding by laser; 3. and (5) preserving heat after laser cladding.
Further, the method comprises the following steps: 1. preheating before laser cladding: i, pre-heating in the early stage: II, determining a preheating range: III, formal preheating; 2. and (3) laser cladding: the cladding device is continuously repaired until the repair work is completed; 3. heat preservation after laser cladding: and after the laser cladding is finished, carrying out heat preservation treatment on the repair area.
Further, the preheating before the laser cladding in the step one specifically comprises the following steps: i, pre-heating in the early stage: the mechanical arm controls the resistance wire to preheat the defect area of the damaged part according to the cladding range, and the infrared thermometer is started; meanwhile, the mechanical arm controls the cladding device to be lifted to a proper height above the damaged piece, the cladding device gradually adds filling powder into the damaged piece to perform laser cladding test operation, and the cladding device stops working when cladding two layers; II, determining a preheating range: the infrared thermometer monitors the temperature of the area around the damaged part in the early preheating process, and transmits the measured temperature data to the computer to automatically draw a temperature distribution curve; observing the generated temperature distribution curve, and determining the difference value between the highest point temperature and the lowest point temperature range; constructing a virtual repair model by using a computer to perform simulation operation, so as to obtain a repaired temperature distribution result; comparing the actual monitoring value with the simulation parameter value in the computer database, combining the simulation and the actual checking, planning a preheating range by the parameter, designing high-temperature preheating around the defect, and designing low-temperature preheating at a position far away from the defect; III, formal preheating: the mechanical arm is controlled to preheat the preheating range by the resistance wire, and meanwhile, the infrared thermometer monitors the temperature distribution, so that the temperature distribution range and the numerical value in the set area are ensured to meet the set requirement; and after preheating, the process parameters are timely adjusted to prevent the temperature of the heating area from being too high and the non-preheated area from being present, and when the temperature distribution meets the set requirement, the preheating is finished.
Further, in the second step: when laser cladding, the resistance wire and the infrared thermometer work: when the temperature reaches the heating temperature, the resistance wire performs a heat preservation task, and if the temperature is lower than the requirement, the resistance wire needs to be continuously heated; the infrared thermometer always measures the temperature and feeds back the temperature data to the computer, so as to control the heat preservation or heating of the resistance wire.
Further, in step three: after the laser cladding is finished, the resistance wire and the infrared thermometer stop working, and the residual temperature of the resistance wire during heating and the residual temperature of the heating cladding are utilized for heat preservation and slow cooling.
Further, in the heat preservation process, a heat preservation mode can be set according to different repair materials, defect positions, cladding thickness and paths.
The invention has the advantages that: firstly, preheating the resistance wire before cladding to enable the temperature around the area to be repaired of the damaged part to rise, so that in the formal cladding process, the temperature difference between the laser cladding area and the temperature around the repair area is basically avoided, the surface temperature of a workpiece is increased, and the residual stress is greatly reduced; secondly, the temperature of the region after cladding can be slowly reduced through heat preservation of the resistance wire after cladding, so that residual stress is prevented from being generated when the defect part is cooled too fast; and (III) preheating before laser cladding is divided into three steps of preheating in the earlier stage, determining a preheating range and formally preheating, so that the preheating range is accurately planned: designing high-temperature preheating around the defect, designing low-temperature preheating at a position far away from the defect, and reasonably heating in a reasonable preheating range, so that residual stress is reliably reduced; the temperature is monitored by the infrared thermometer and fed back to the computer, so that the temperature of the resistance wire can be accurately regulated and controlled, and the reduction of residual stress is ensured; and fifthly, the temperature control unit can realize angle adjustment relative to the cladding device, so that the preheating at different temperatures in different places in the preheating range is realized, and the residual stress is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of a laser cladding remanufacturing device based on multi-angle precise temperature control of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Example 1
As shown in FIG. 1, the laser cladding remanufacturing device based on multi-angle accurate temperature control comprises a cladding device 21, filling powder 22, two temperature control units, a control cabinet 3, a mechanical arm 4 and a computer 5, wherein the temperature control units comprise a resistance wire 23 and an infrared thermometer 24 which are connected in parallel; cladding device 21 is placed in the top of damage piece 1, and its inside is equipped with filling powder 22, and two temperature control units set up in cladding device 21's both sides symmetrically, and arm 4 centre gripping cladding device 21's upper portion, two temperature control units, computer 5 electricity connection control cabinet 3, and arm 4 is connected to the control cabinet 3 electricity.
The device comprises: the cladding device 21 carries out laser cladding on the damage piece 1 through filling powder 22; the resistance wire 23 is used for preheating and insulating the surrounding area of the defect of the damaged piece 1; the infrared thermometer 24 is used for monitoring the temperature of the resistance wire 23 and the heating area in real time, feeding back data to the computer 5 through the mechanical arm 4 and the control cabinet 3 in time, and generating a temperature distribution curve; the computer 5 adjusts parameters of the control cabinet 3 according to signals fed back by the infrared thermometer 24, the control cabinet 3 controls the mechanical arm 4 to move, and commands of different position path planning and temperature control are executed.
Before cladding, the resistance wire 23 preheats the surrounding area of the defect of the damaged piece 1, and is used for raising the surface temperature of the workpiece and reducing residual stress; after the cladding work is completed, the resistance wire 23 plays a role in heat preservation, and is used for raising the temperature of a working area and preventing residual stress generated by too fast cooling of the defect.
Example 2
The invention discloses a laser cladding remanufacturing method based on multi-angle accurate temperature control, which comprises the following steps of: 1. preheating before laser cladding; 2. cladding by laser; 3. and (5) preserving heat after laser cladding.
Example 3
The invention discloses a laser cladding remanufacturing method based on multi-angle accurate temperature control, which comprises the following specific steps:
1. preheating before laser cladding:
i, pre-heating in the early stage: the mechanical arm 4 controls the resistance wire 23 to preheat the defect area of the damaged piece 1 according to the cladding range, and starts the infrared thermometer 24; simultaneously, the mechanical arm 4 controls the cladding device 21 to rise to a proper height above the damaged piece 1, the cladding device 21 gradually adds filling powder 22 into the damaged piece 1 to perform laser cladding test operation, and the cladding device 21 stops working when cladding two layers;
II, determining a preheating range: the infrared thermometer 24 monitors the temperature of the area around the damaged piece 1 in the early preheating process, and transmits the measured temperature data to the computer 5 to automatically draw a temperature distribution curve; observing the generated temperature distribution curve, and determining the difference value between the highest point temperature and the lowest point temperature range; constructing a virtual repair model by using a computer 5 to perform simulation operation, so as to obtain a repaired temperature distribution result; comparing the actual monitoring value with the simulation parameter value in the database of the computer 5, planning a preheating range by combining the simulation and the actual checking parameters, designing high-temperature preheating around the defect, and designing low-temperature preheating at a position far away from the defect;
III, formal preheating: the mechanical arm 4 is controlled to preheat the preheating range by the resistance wire 23, and meanwhile, the infrared thermometer 24 monitors the temperature distribution, so that the temperature distribution range and the numerical value in the set area are ensured to meet the set requirement; after preheating, the process parameters are timely adjusted to prevent the temperature of the heating area from being too high and the non-preheated area from being present, and when the temperature distribution meets the set requirement, the preheating is finished;
2. and (3) laser cladding: the cladding device 21 continues to repair until the repair work is completed;
3. heat preservation after laser cladding: and after the laser cladding is finished, carrying out heat preservation treatment on the repair area.
Example 4
In the second step of the method of the invention: during laser cladding, the resistance wire 23 and the infrared thermometer 24 work: when the temperature reaches the heating temperature, the resistance wire 23 performs a heat preservation task, and if the temperature is lower than the requirement, the resistance wire 23 needs to be continuously heated; the infrared thermometer 24 constantly measures the temperature and feeds back the temperature data to the computer 5, so as to control the heat preservation or heating of the resistance wire 23.
Example 5
In the third step of the method of the invention: after the laser cladding is finished, the resistance wire 23 and the infrared thermometer 24 stop working, and the residual temperature of the resistance wire 23 and the residual temperature of the heating cladding are utilized for heat preservation and slow cooling.
In the heat preservation process, a heat preservation mode can be set according to different repair materials, defect positions, cladding thickness and paths.
The laser cladding remanufacturing device and method based on multi-angle accurate temperature control has the advantages that: firstly, preheating the resistance wire before cladding to enable the temperature around the area to be repaired of the damaged part to rise, so that in the formal cladding process, the temperature difference between the laser cladding area and the temperature around the repair area is basically avoided, the surface temperature of a workpiece is increased, and the residual stress is greatly reduced; secondly, the temperature of the region after cladding can be slowly reduced through heat preservation of the resistance wire after cladding, so that residual stress is prevented from being generated when the defect part is cooled too fast; and (III) preheating before laser cladding is divided into three steps of preheating in the earlier stage, determining a preheating range and formally preheating, so that the preheating range is accurately planned: designing high-temperature preheating around the defect, designing low-temperature preheating at a position far away from the defect, and reasonably heating in a reasonable preheating range, so that residual stress is reliably reduced; the temperature is monitored by the infrared thermometer and fed back to the computer, so that the temperature of the resistance wire can be accurately regulated and controlled, and the reduction of residual stress is ensured; and fifthly, the temperature control unit can realize angle adjustment relative to the cladding device, so that the preheating at different temperatures in different places in the preheating range is realized, and the residual stress is greatly reduced.
According to the invention, the preheating, temperature measurement and heat preservation, namely multi-angle accurate temperature control are performed on the area around the defect, so that residual stress generated by cold and hot temperature difference in the laser cladding process is prevented, the cladding quality is ensured, and the weapon equipment is quickly repaired in situ under the battlefield condition.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. Laser cladding refabrication device based on accurate accuse temperature of multi-angle, its characterized in that: the device comprises a cladding device (21), filling powder (22), two temperature control units, a control cabinet (3), a mechanical arm (4) and a computer (5), wherein the temperature control units comprise a resistance wire (23) and an infrared thermometer (24) which are connected in parallel; cladding device (21) is placed in the top of damage piece (1), its inside is equipped with filling powder (22), and two temperature control units set up in the both sides of cladding device (21) symmetrically, and arm (4) centre gripping cladding device (21) upper portion, two temperature control units, and control cabinet (3) are connected to computer (5) electricity, and arm (4) are connected to control cabinet (3) electricity.
2. The laser cladding remanufacturing apparatus of claim 1, wherein: the cladding device (21) carries out laser cladding on the damaged piece (1) through filling powder (22); the resistance wire (23) is used for preheating and insulating the surrounding area of the defect of the damaged piece (1); the infrared thermometer (24) is used for monitoring the temperature of the resistance wire (23) and the temperature of the heating area in real time, feeding back data to the computer (5) through the mechanical arm (4) and the control cabinet (3) in time, and generating a temperature distribution curve; the computer (5) adjusts parameters of the control cabinet (3) according to signals fed back by the infrared thermometer (24), the control cabinet (3) controls the mechanical arm (4) to move, and commands of path planning and temperature control at different positions are executed.
3. The laser cladding remanufacturing apparatus of claim 1, wherein: before cladding, the resistance wire (23) preheats the surrounding area of the defect part of the damaged piece (1) and is used for raising the surface temperature of the workpiece and reducing residual stress; after cladding work is completed, the resistance wire (23) plays a role in heat preservation, and is used for increasing the temperature of a working area and preventing residual stress generated by too fast cooling of a defect part.
4. A laser cladding remanufacturing method based on multi-angle accurate temperature control comprises the following steps: 1. preheating before laser cladding; 2. cladding by laser; 3. and (5) preserving heat after laser cladding.
5. The method according to claim 4, characterized in that: the method comprises the following steps: 1. preheating before laser cladding: i, pre-heating in the early stage: II, determining a preheating range: III, formal preheating; 2. and (3) laser cladding: the cladding device is continuously repaired until the repair work is completed; 3. heat preservation after laser cladding: and after the laser cladding is finished, carrying out heat preservation treatment on the repair area.
6. The method according to claim 5, characterized in that:
the preheating before the laser cladding comprises the following steps:
i, pre-heating in the early stage: the mechanical arm controls the resistance wire to preheat the defect area of the damaged part according to the cladding range, and the infrared thermometer is started; meanwhile, the mechanical arm controls the cladding device to be lifted to a proper height above the damaged piece, the cladding device gradually adds filling powder into the damaged piece to perform laser cladding test operation, and the cladding device stops working when cladding two layers;
II, determining a preheating range: the infrared thermometer monitors the temperature of the area around the damaged part in the early preheating process, and transmits the measured temperature data to the computer to automatically draw a temperature distribution curve; observing the generated temperature distribution curve, and determining the difference value between the highest point temperature and the lowest point temperature range; constructing a virtual repair model by using a computer to perform simulation operation, so as to obtain a repaired temperature distribution result; comparing the actual monitoring value with the simulation parameter value in the computer database, combining the simulation and the actual checking, planning a preheating range by the parameter, designing high-temperature preheating around the defect, and designing low-temperature preheating at a position far away from the defect;
III, formal preheating: the mechanical arm is controlled to preheat the preheating range by the resistance wire, and meanwhile, the infrared thermometer monitors the temperature distribution, so that the temperature distribution range and the numerical value in the set area are ensured to meet the set requirement; and after preheating, the process parameters are timely adjusted to prevent the temperature of the heating area from being too high and the non-preheated area from being present, and when the temperature distribution meets the set requirement, the preheating is finished.
7. The method according to claim 5, characterized in that: in the second step: when laser cladding, the resistance wire and the infrared thermometer work: when the temperature reaches the heating temperature, the resistance wire performs a heat preservation task, and if the temperature is lower than the requirement, the resistance wire needs to be continuously heated; the infrared thermometer always measures the temperature and feeds back the temperature data to the computer, so as to control the heat preservation or heating of the resistance wire.
8. The method according to claim 5, characterized in that: in the third step: after the laser cladding is finished, the resistance wire and the infrared thermometer stop working, and the residual temperature of the resistance wire during heating and the residual temperature of the heating cladding are utilized for heat preservation and slow cooling.
9. The method according to claim 5, characterized in that: in the heat preservation process, a heat preservation mode can be set according to different repair materials, defect positions, cladding thickness and paths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310828764.9A CN116855933A (en) | 2023-07-07 | 2023-07-07 | Laser cladding remanufacturing device and method based on multi-angle accurate temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310828764.9A CN116855933A (en) | 2023-07-07 | 2023-07-07 | Laser cladding remanufacturing device and method based on multi-angle accurate temperature control |
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| CN116855933A true CN116855933A (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310828764.9A Pending CN116855933A (en) | 2023-07-07 | 2023-07-07 | Laser cladding remanufacturing device and method based on multi-angle accurate temperature control |
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| Country | Link |
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| CN (1) | CN116855933A (en) |
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2023
- 2023-07-07 CN CN202310828764.9A patent/CN116855933A/en active Pending
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