CN111428341B - Laser cladding method, device and computer readable storage medium - Google Patents
Laser cladding method, device and computer readable storage medium Download PDFInfo
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- CN111428341B CN111428341B CN202010114297.XA CN202010114297A CN111428341B CN 111428341 B CN111428341 B CN 111428341B CN 202010114297 A CN202010114297 A CN 202010114297A CN 111428341 B CN111428341 B CN 111428341B
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- 238000004372 laser cladding Methods 0.000 title claims abstract description 261
- 238000000034 method Methods 0.000 title claims abstract description 66
- 238000003860 storage Methods 0.000 title claims abstract description 14
- 238000005253 cladding Methods 0.000 claims abstract description 198
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000000126 substance Substances 0.000 claims description 4
- 230000004886 head movement Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000725 suspension Substances 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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- 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
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- 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
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Abstract
The invention discloses a laser cladding method, which comprises the following steps: acquiring cladding path parameters, laser head moving speed and laser power parameters; determining a laser cladding path of a laser head according to the cladding path parameters; determining laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter; and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power. The invention also discloses a laser cladding device and a computer readable storage medium. The invention can improve the precision of laser cladding, can improve the consistency of laser cladding surface materials and can improve the production efficiency of laser cladding.
Description
Technical Field
The present invention relates to the field of laser cladding technology, and in particular, to a laser cladding method, apparatus, and computer readable storage medium.
Background
At present, laser cladding is generally performed on the surface of an object to be clad by manually operating a laser head arranged on a multi-axis machine tool; the manual operation of the multi-axis machine tool needs to adjust the matching of the technological parameters according to the situation, which has very high requirements on the technical skill, the proficiency, the concentration degree and the like of operators; the method for performing laser cladding by manually operating the multi-axis machine tool can cause harm to the health of a line of operators, and the method for performing laser cladding by manually operating the multi-axis machine tool can lead to low cladding surface precision and lower surface consistency.
Disclosure of Invention
The invention mainly aims to provide a laser cladding method, a laser cladding device and a computer readable storage medium, aiming at improving the precision of laser cladding.
In order to achieve the above object, the present invention provides a laser cladding method, comprising the steps of:
acquiring cladding path parameters, laser head moving speed and laser power parameters;
determining a laser cladding path of a laser head according to the cladding path parameters;
determining laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter;
and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power.
Optionally, after the step of obtaining the cladding path parameter, the laser head moving speed and the laser power parameter, the method includes:
acquiring a gas pressure parameter;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the gas pressure parameter and the laser power parameter.
Optionally, after the step of obtaining the cladding path parameter, the laser head moving speed and the laser power parameter, the method further includes:
acquiring a layer number parameter, an offset parameter and a laser attenuation parameter;
the step of determining the laser cladding path of the laser head according to the cladding path parameters comprises the following steps:
determining a laser cladding path of a laser head according to the layer number parameter, the offset parameter and the cladding path parameter;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the layer number parameter, the laser attenuation parameter, the laser head moving speed and the laser power parameter.
Optionally, after the step of obtaining the layer number parameter, the offset parameter, and the laser attenuation parameter, the method includes:
reading a starting point position in the cladding path parameters, and determining a pause position according to the layer number parameters, the offset parameters and the starting point position;
obtaining a pause time;
when the laser head is at the pause position, the step of controlling the laser head to perform cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power comprises the following steps:
and controlling the laser head to pause the cladding operation according to the pause position and the pause time.
Optionally, after the step of obtaining the cladding path parameter, the laser head moving speed and the laser power parameter, the method further includes:
acquiring a pause position, pause time and pause laser power;
when the laser head is at the stop position, the step of controlling the laser head to perform cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power comprises the following steps:
and carrying out cladding operation on the surface of the object to be clad according to the dwell time and the dwell laser power.
Optionally, before the step of obtaining the cladding path parameter, the laser head moving speed and the laser power parameter, the method includes:
acquiring a cladding interval value between the laser head and the surface of the object to be clad;
detecting whether the cladding interval value is within a preset interval threshold value range;
if the cladding interval value is within a preset interval threshold range, the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter.
Optionally, after the step of detecting whether the cladding pitch value is within a preset pitch threshold, the method includes:
if the cladding interval value is not in the preset interval threshold range, adjusting the cladding interval value to be in the preset interval threshold range;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter.
Optionally, the step of adjusting the cladding pitch value to be within the preset pitch threshold range includes:
calculating the difference between the cladding interval value and the preset interval threshold range to obtain an interval adjustment range;
the cladding interval value is adjusted according to the interval adjustment range, and a cladding interval adjustment value is obtained;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval adjusting value and the laser power parameter.
In addition, to achieve the above object, the present invention also provides an apparatus comprising: the laser cladding method comprises a memory, a processor and a laser cladding program which is stored in the memory and can run on the processor, wherein the laser cladding program realizes the steps of the laser cladding method when being executed by the processor.
In addition, in order to achieve the above object, the present invention also provides a computer-readable storage medium having stored thereon a laser cladding program which, when executed by a processor, implements the steps of the laser cladding method as described above.
The invention provides a laser cladding method, a device and a computer readable storage medium, which acquire cladding path parameters, laser head moving speed and laser power parameters; determining a laser cladding path of a laser head according to the cladding path parameters; determining laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter; and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power. By the mode, the laser cladding precision can be improved, the consistency of the laser cladding surface material can be improved, and the laser cladding production efficiency can be improved.
Drawings
FIG. 1 is a schematic diagram of a terminal structure of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a first embodiment of the laser cladding method of the present invention;
FIG. 3 is a flow chart of a second embodiment of the laser cladding method of the present invention;
FIG. 4 is a schematic flow chart of a third embodiment of the laser cladding method of the present invention;
FIG. 5 is a flow chart of a fourth embodiment of the laser cladding method of the present invention;
FIG. 6 is a schematic flow chart of a fifth embodiment of a laser cladding method according to the present invention;
fig. 7 is a schematic flow chart of a sixth embodiment of the laser cladding method of the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The main solutions of the embodiments of the present invention are: acquiring cladding path parameters, laser head moving speed and laser power parameters; determining a laser cladding path of a laser head according to the cladding path parameters; determining laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter; and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power.
The existing laser cladding is generally to carry out laser cladding operation on the surface of an object to be clad through a laser head arranged on a multi-shaft machine tool by manual operation; the manual operation of the multi-axis machine tool needs to adjust the matching of the technological parameters according to the situation, which has very high requirements on the technical skill, the proficiency, the concentration degree and the like of operators; the method for performing laser cladding by manually operating the multi-axis machine tool can cause harm to the health of a line of operators, and the method for performing laser cladding by manually operating the multi-axis machine tool can lead to low cladding surface precision and lower surface consistency.
The invention aims to improve the precision of laser cladding.
As shown in fig. 1, fig. 1 is a schematic diagram of a terminal structure of a hardware running environment according to an embodiment of the present invention.
The terminal of the embodiment of the invention can be a PC or terminal equipment of a robot.
As shown in fig. 1, the terminal may include: a processor 1001, such as a CPU, a memory 1003, and a communication bus 1002. Wherein the communication bus 1002 is used to enable connected communication between these components. The memory 1003 may be a high-speed RAM memory or a stable memory (non-volatile memory), such as a disk memory. The memory 1003 may alternatively be a storage device separate from the processor 1001 described above.
It will be appreciated by those skilled in the art that the terminal structure shown in fig. 1 is not limiting of the terminal and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
As shown in fig. 1, an operating system, a network communication module, a user interface module, and a laser cladding program may be included in the memory 1003 as one type of computer storage medium.
In the terminal shown in fig. 1, the processor 1001 may be configured to call a laser cladding program stored in the memory 1003, and perform the following operations:
acquiring cladding path parameters, laser head moving speed and laser power parameters;
determining a laser cladding path of a laser head according to the cladding path parameters;
determining laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter;
and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power.
Further, the processor 1001 may call the laser cladding program stored in the memory 1003, and further perform the following operations:
acquiring a gas pressure parameter;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the gas pressure parameter and the laser power parameter.
Further, the processor 1001 may call the laser cladding program stored in the memory 1003, and further perform the following operations:
acquiring a layer number parameter, an offset parameter and a laser attenuation parameter;
the step of determining the laser cladding path of the laser head according to the cladding path parameters comprises the following steps:
determining a laser cladding path of a laser head according to the layer number parameter, the offset parameter and the cladding path parameter;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the layer number parameter, the laser attenuation parameter, the laser head moving speed and the laser power parameter.
Further, the processor 1001 may call the laser cladding program stored in the memory 1003, and further perform the following operations:
reading a starting point position in the cladding path parameters, and determining a pause position according to the layer number parameters, the offset parameters and the starting point position;
obtaining a pause time;
when the laser head is at the pause position, the step of controlling the laser head to perform cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power comprises the following steps:
and controlling the laser head to pause the cladding operation according to the pause position and the pause time.
Further, the processor 1001 may call the laser cladding program stored in the memory 1003, and further perform the following operations:
acquiring a pause position, pause time and pause laser power;
when the laser head is at the stop position, the step of controlling the laser head to perform cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power comprises the following steps:
and carrying out cladding operation on the surface of the object to be clad according to the dwell time and the dwell laser power.
Further, the processor 1001 may call the laser cladding program stored in the memory 1003, and further perform the following operations:
acquiring a cladding interval value between the laser head and the surface of the object to be clad;
detecting whether the cladding interval value is within a preset interval threshold value range;
if the cladding interval value is within a preset interval threshold range, the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter.
Further, the processor 1001 may call the laser cladding program stored in the memory 1003, and further perform the following operations:
if the cladding interval value is not in the preset interval threshold range, adjusting the cladding interval value to be in the preset interval threshold range;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter.
Further, the processor 1001 may call the laser cladding program stored in the memory 1003, and further perform the following operations:
calculating the difference between the cladding interval value and the preset interval threshold range to obtain an interval adjustment range;
the cladding interval value is adjusted according to the interval adjustment range, and a cladding interval adjustment value is obtained;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval adjusting value and the laser power parameter.
Based on the hardware structure, the embodiment of the laser cladding method is provided.
The invention relates to a laser cladding method.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of the laser cladding method of the present invention.
In the embodiment of the invention, the laser cladding method is applied to a laser cladding device, and comprises the following steps:
step S10, acquiring cladding path parameters, laser head moving speed and laser power parameters;
in this embodiment, the laser cladding apparatus may be a robot provided with a laser head, or may be a multi-axis machine tool provided with a laser head; when a user needs to carry out laser cladding on an object to be clad, the user configures cladding path parameters, laser head moving speed and laser power parameters input by a borrow on parameters of a laser cladding device; the laser cladding device acquires cladding path parameters, laser head moving speed and laser power parameters; wherein the cladding path parameters include: parameters such as the starting point position of the path point position required by the surface of the cladding object, the ending point position of the path point position required by the surface of the cladding object, the direction point position of the path point position required by the surface of the cladding object, the number of channels in the x and y directions of the same surface, the interval between two channels and the like; the moving speed of the laser head is the moving speed of the laser head; the laser power parameters include: the material of the object to be clad, the substance clad on the surface of the object, etc.
Step S20, determining a laser cladding path of a laser head according to the cladding path parameters;
in this embodiment, after the laser cladding device obtains the cladding path parameter, the laser head moving speed and the laser power parameter, the laser cladding device determines the laser cladding path of the laser head moving according to the cladding path parameter; the laser cladding path is a path which the laser head moves when cladding the substance to be clad.
Step S30, determining laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter;
in this embodiment, after the laser cladding device obtains the cladding path parameter, the laser head moving speed and the laser power parameter, the laser cladding device determines the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter. The laser cladding power is the power output by the laser head when cladding the substance to be clad.
And S40, controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the moving speed of the laser head and the laser cladding power.
In this embodiment, after obtaining the laser cladding path and the laser cladding power, the laser cladding device controls the laser head to perform cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power.
According to the embodiment, through the scheme, cladding path parameters, laser head moving speed and laser power parameters are obtained; determining a laser cladding path of a laser head according to the cladding path parameters; determining laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter; and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power. Therefore, the precision of laser cladding is improved, the consistency of laser cladding surface materials is improved, and the production efficiency of laser cladding is improved.
Further, referring to fig. 3, fig. 3 is a schematic flow chart of a second embodiment of the laser cladding method of the present invention. Based on the embodiment shown in fig. 2, after the cladding path parameter, the laser head moving speed and the laser power parameter are obtained in step S10, the method may include:
step S11, acquiring gas pressure parameters;
step S30, determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter, may include:
and S31, determining the laser cladding power output by the laser head according to the moving speed of the laser head, the gas pressure parameter and the laser power parameter.
In this embodiment, after the laser cladding device obtains the cladding path parameter, the laser head moving speed and the laser power parameter, the laser cladding device may also obtain the gas pressure parameter, and after the laser cladding device obtains the gas pressure parameter, the laser cladding device determines the laser cladding power output by the laser head according to the laser head moving speed, the gas pressure parameter and the laser power parameter.
According to the embodiment, through the scheme, cladding path parameters, laser head moving speed and laser power parameters are obtained; acquiring a gas pressure parameter; determining a laser cladding path of a laser head according to the cladding path parameters; determining laser cladding power output by the laser head according to the laser head moving speed, the gas pressure parameter and the laser power parameter; and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power. Therefore, the precision of laser cladding is improved, the consistency of laser cladding surface materials is improved, and the production efficiency of laser cladding is improved.
Further, referring to fig. 4, fig. 4 is a schematic flow chart of a third embodiment of the laser cladding method of the present invention. Based on the embodiment shown in fig. 2, after the cladding path parameter, the laser head moving speed and the laser power parameter are obtained in step S10, the method may further include:
step S12, obtaining layer number parameters, offset parameters and laser attenuation parameters;
in this embodiment, after the laser cladding device obtains the cladding path parameter, the laser head moving speed and the laser power parameter, the laser cladding device may also obtain the layer number parameter, the offset parameter and the laser attenuation parameter; wherein the layer number parameter is the layer number of the material to be clad of the object to be clad; the offset parameter is the proportion between the position of the integral laser cladding path offset to the direction point and the interval between two paths when cladding the next layer of material after forming a layer of cladding material on the surface of the object to be clad; the laser attenuation parameter is the attenuation ratio between the laser cladding power when cladding the next layer of material and the laser cladding power when cladding the previous layer of material after forming a layer of cladding material on the surface of the object to be clad, namely the ratio of the laser cladding power when cladding the next layer of material to the laser cladding power when cladding the previous layer of material.
Step S20 of determining a laser cladding path of the laser head according to the cladding path parameter may include:
s21, determining a laser cladding path of a laser head according to the layer number parameter, the offset parameter and the cladding path parameter;
in this embodiment, after the laser cladding device obtains the layer number parameter, the offset parameter and the cladding path parameter, the laser cladding device determines the laser cladding path of the laser head according to the layer number parameter, the offset parameter and the cladding path parameter.
Step S30, determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter, may further include:
and S32, determining the laser cladding power output by the laser head according to the layer number parameter, the laser attenuation parameter, the laser head moving speed and the laser power parameter.
In this embodiment, after the laser cladding device obtains the layer number parameter, the laser attenuation parameter, the laser head moving speed and the laser power parameter, the laser cladding device determines the laser cladding power output by the laser head according to the layer number parameter, the laser attenuation parameter, the laser head moving speed and the laser power parameter.
After the step S12 of obtaining the layer number parameter, the offset parameter, and the laser attenuation parameter, it may include:
step a1, reading a starting point position in the cladding path parameters, and determining a pause position according to the layer number parameters, the offset parameters and the starting point position;
step a2, obtaining a pause time;
when the laser head is at the pause position, step S40 of controlling the laser head to perform cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power may include:
and a step a3, controlling the laser head to suspend cladding operation according to the suspension position and suspension time.
In this embodiment, after the laser cladding device acquires the layer number parameter, the offset parameter and the laser attenuation parameter, the laser cladding device reads the starting point position in the cladding path parameter, and determines the pause position according to the layer number parameter, the offset parameter and the starting point position; after determining a pause position, the laser cladding device acquires pause time; after the suspension time is acquired, and when the laser head is at the suspension position, the laser cladding device controls the laser head to suspend cladding operation according to the suspension position and the suspension time. The suspension position is a position where the laser cladding device suspends cladding operation after forming a layer of cladding material on the surface of an object to be clad and before cladding the next layer of material; the pause position is the time that the laser cladding device pauses the cladding operation after forming a layer of cladding material on the surface of the object to be clad and before cladding the next layer of material.
According to the embodiment, through the scheme, cladding path parameters, laser head moving speed and laser power parameters are obtained; acquiring a layer number parameter, an offset parameter and a laser attenuation parameter; determining a laser cladding path of a laser head according to the layer number parameter, the offset parameter and the cladding path parameter; determining laser cladding power output by the laser head according to the layer number parameter, the laser attenuation parameter, the laser head moving speed and the laser power parameter; and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power. Therefore, the precision of laser cladding is improved, the consistency of laser cladding surface materials is improved, and the production efficiency of laser cladding is improved.
Further, referring to fig. 5, fig. 5 is a schematic flow chart of a fourth embodiment of the laser cladding method of the present invention. Based on the embodiment shown in fig. 2, after the cladding path parameter, the laser head moving speed and the laser power parameter are obtained in step S10, the method may further include:
step S13, obtaining a pause position, pause time and pause laser power;
when the laser head is at the stop position, step S40 controls the laser head to perform cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power, and may include:
and S41, carrying out cladding operation on the surface of the object to be clad according to the dwell time and the dwell laser power.
In this embodiment, after the laser cladding device acquires the layer number parameter, the offset parameter and the cladding path parameter, the laser cladding device acquires the pause position, the pause time and the pause laser power, and when the laser cladding device detects that the laser head is positioned at the pause position, the laser cladding device performs cladding operation on the surface of the object to be clad according to the pause time and the pause position power.
According to the embodiment, through the scheme, cladding path parameters, laser head moving speed and laser power parameters are obtained; acquiring a pause position, pause time and pause laser power; and when the laser head is positioned at the pause position, carrying out cladding operation on the surface of the object to be clad according to the pause time and the pause position power. Therefore, the precision of laser cladding is improved, the consistency of laser cladding surface materials is improved, and the production efficiency of laser cladding is improved.
Further, referring to fig. 6, fig. 6 is a schematic flow chart of a fifth embodiment of the laser cladding method of the present invention. Based on the embodiment shown in fig. 2, before the step S10 of obtaining the cladding path parameter, the laser head moving speed and the laser power parameter, the method may include:
step S50, obtaining a cladding interval value between the laser head and the surface of the object to be clad;
in the embodiment, before the laser cladding device acquires the layer number parameter, the offset parameter and the cladding path parameter, the laser cladding device acquires the cladding interval value between the laser head and the surface of the object to be clad; the cladding interval value is the distance between the laser head and the surface of the object to be clad, and can be measured by a laser cladding device or input after being measured by a user through other measuring tools.
Step S60, detecting whether the cladding interval value is within a preset interval threshold value range;
in this embodiment, after the laser cladding device obtains the cladding pitch value, the laser cladding device detects whether the cladding pitch value is within a preset pitch threshold range, where the preset pitch threshold range is an optimum pitch for the laser head to cladding the surface of the object to be clad.
In this embodiment, after the laser cladding apparatus obtains the cladding pitch value, the laser cladding apparatus detects whether the cladding pitch value is at a preset pitch threshold, where the preset pitch threshold is an optimum pitch for cladding the surface of the object to be clad by the laser head, and the preset pitch threshold may be a value or a range with a certain error and using the preset pitch threshold as a center point.
If the cladding interval value is within the preset interval threshold range, step S30 determines the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter, and may further include:
and step S33, determining the laser cladding power output by the laser head according to the moving speed of the laser head, the cladding interval value and the laser power parameter.
In this embodiment, when the laser cladding device detects that the cladding pitch value is within the preset pitch threshold range, the laser head moving speed of the laser cladding device, the cladding pitch value and the laser power parameter determine the laser cladding power output by the laser head.
According to the embodiment, through the scheme, the cladding interval value between the laser head and the surface of the object to be clad is obtained; detecting whether the cladding interval value is within a preset interval threshold value range; acquiring cladding path parameters, laser head moving speed and laser power parameters; determining a laser cladding path of a laser head according to the cladding path parameters; if the cladding interval value is within a preset interval threshold range, determining laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter; and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power. Therefore, the precision of laser cladding is improved, the consistency of laser cladding surface materials is improved, and the production efficiency of laser cladding is improved.
Further, referring to fig. 7, fig. 7 is a schematic flow chart of a sixth embodiment of the laser cladding method of the present invention. Based on the embodiment shown in fig. 6, after detecting whether the cladding pitch value is within the preset pitch threshold range in step S60, the method may include:
step S70, if the cladding interval value is not in the preset interval threshold range, adjusting the cladding interval value to be in the preset interval threshold range;
step S30, determining laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter, including:
and step S34, determining the laser cladding power output by the laser head according to the moving speed of the laser head, the cladding interval value and the laser power parameter.
In this embodiment, when the laser cladding device detects that the cladding pitch value is not within the preset pitch threshold range, the laser cladding device controls the laser head to move, and when the laser cladding device adjusts the cladding pitch value to be within the preset pitch threshold range, the laser cladding device determines the laser cladding power output by the laser head according to the laser head moving speed, the cladding pitch value and the laser power parameter.
Step S70 of adjusting the cladding pitch value to be within the preset pitch threshold range may include:
step b1, calculating a difference value between the cladding interval value and the preset interval threshold range to obtain an interval adjustment range;
step b2, adjusting the cladding interval parameter according to the interval adjustment range to obtain a cladding interval adjustment value;
step S34, determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter, may include:
and c, determining the laser cladding power output by the laser head according to the moving speed of the laser head, the cladding interval adjustment value and the laser power parameter.
In this embodiment, when the laser cladding device detects that the cladding pitch value is not within the preset pitch threshold range, the laser cladding device calculates a difference value between the cladding pitch value and the preset pitch threshold range to obtain a pitch adjustment range; after the laser cladding device obtains the interval adjustment range, the laser cladding device adjusts the cladding interval value according to the interval adjustment range to obtain a cladding interval adjustment value; after the laser cladding device obtains the cladding interval adjustment value, the laser cladding device determines the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval adjustment value and the laser power parameter.
According to the embodiment, through the scheme, the cladding interval value between the laser head and the surface of the object to be clad is obtained; detecting whether the cladding interval value is within a preset interval threshold value range; if the cladding interval value is not in the preset interval threshold range, adjusting the cladding interval value to be in the preset interval threshold range; acquiring cladding path parameters, laser head moving speed and laser power parameters; determining a laser cladding path of a laser head according to the cladding path parameters; determining laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter; and controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power. Therefore, the precision of laser cladding is improved, the consistency of laser cladding surface materials is improved, and the production efficiency of laser cladding is improved.
The invention also provides a laser cladding device.
The laser cladding device of the invention comprises: the laser cladding method comprises a memory, a processor and a laser cladding program which is stored in the memory and can run on the processor, wherein the laser cladding program realizes the steps of the laser cladding method when being executed by the processor.
The method implemented when the laser cladding program running on the processor is executed may refer to various embodiments of the laser cladding method of the present invention, which are not described herein again.
The invention also provides a computer readable storage medium.
The computer readable storage medium of the present invention has stored thereon a laser cladding program which, when executed by a processor, implements the steps of the laser cladding method as described above.
The method implemented when the laser cladding program running on the processor is executed may refer to various embodiments of the laser cladding method of the present invention, which are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for description, and do not represent advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as described above, comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (9)
1. The laser cladding method is characterized by comprising the following steps of:
acquiring cladding path parameters, laser head moving speed and laser power parameters;
determining a laser cladding path of a laser head according to the cladding path parameters;
determining laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter;
controlling the laser head to carry out cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power;
wherein the laser power parameters include: a material to be clad on an object and a substance clad on the surface of the object;
after the step of obtaining the cladding path parameter, the laser head moving speed and the laser power parameter, the method further comprises the following steps:
acquiring a layer number parameter, an offset parameter and a laser attenuation parameter;
the layer number parameter is the layer number of the material to be clad of the object to be clad; the offset parameter is the ratio between the position of the integral offset of the laser cladding path to the direction point and the interval between two paths when forming a layer of cladding material on the surface of the object to be clad and cladding the next layer; the laser attenuation parameters are ratios of laser cladding powers of corresponding layers when different layers of materials are clad;
the step of determining the laser cladding path of the laser head according to the cladding path parameters comprises the following steps:
determining a laser cladding path of a laser head according to the layer number parameter, the offset parameter and the cladding path parameter;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the layer number parameter, the laser attenuation parameter, the laser head moving speed and the laser power parameter.
2. The laser cladding method of claim 1, wherein after the step of obtaining cladding path parameters, laser head movement speed and laser power parameters, comprising:
acquiring a gas pressure parameter;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the gas pressure parameter and the laser power parameter.
3. The laser cladding method of claim 1, wherein after the step of obtaining the layer number parameter, the offset parameter, and the laser decay parameter, the step of obtaining comprises:
reading a starting point position in the cladding path parameters, and determining a pause position according to the layer number parameters, the offset parameters and the starting point position;
obtaining a pause time;
when the laser head is at the pause position, the step of controlling the laser head to perform cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power comprises the following steps:
and controlling the laser head to pause the cladding operation according to the pause position and the pause time.
4. The laser cladding method of claim 1, wherein after the step of obtaining cladding path parameters, laser head movement speed, and laser power parameters, further comprising:
acquiring a pause position, pause time and pause laser power;
when the laser head is at the stop position, the step of controlling the laser head to perform cladding operation on the surface of the object to be clad according to the laser cladding path, the laser head moving speed and the laser cladding power comprises the following steps:
and carrying out cladding operation on the surface of the object to be clad according to the dwell time and the dwell laser power.
5. The laser cladding method of claim 1, wherein prior to the step of obtaining cladding path parameters, laser head travel speed, and laser power parameters, comprising:
acquiring a cladding interval value between the laser head and the surface of the object to be clad;
detecting whether the cladding interval value is within a preset interval threshold value range;
if the cladding interval value is within a preset interval threshold range, the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter.
6. The laser cladding method of claim 5, wherein after the step of detecting whether the cladding pitch value is within a preset pitch threshold comprises:
if the cladding interval value is not in the preset interval threshold range, adjusting the cladding interval value to be in the preset interval threshold range;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter.
7. The laser cladding method of claim 6, wherein said step of adjusting said cladding pitch value to be within said preset pitch threshold comprises:
calculating the difference between the cladding interval value and the preset interval threshold range to obtain an interval adjustment range;
the cladding interval value is adjusted according to the interval adjustment range, and a cladding interval adjustment value is obtained;
the step of determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval value and the laser power parameter comprises the following steps:
and determining the laser cladding power output by the laser head according to the laser head moving speed, the cladding interval adjusting value and the laser power parameter.
8. A laser cladding apparatus, characterized in that the laser cladding apparatus comprises: memory, a processor and a laser cladding program stored on the memory and running on the processor, which when executed by the processor, implements the steps of the laser cladding method according to any one of claims 1 to 7.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a laser cladding program which, when executed by a processor, implements the steps of the laser cladding method according to any one of claims 1 to 7.
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