CN115091363A - Thermal error compensation method, system and medium for hydrostatic guide rail of follow-up grinding machine - Google Patents
Thermal error compensation method, system and medium for hydrostatic guide rail of follow-up grinding machine Download PDFInfo
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- CN115091363A CN115091363A CN202210747471.3A CN202210747471A CN115091363A CN 115091363 A CN115091363 A CN 115091363A CN 202210747471 A CN202210747471 A CN 202210747471A CN 115091363 A CN115091363 A CN 115091363A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/14—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the temperature during grinding
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a method, a system and a medium for compensating thermal errors of a hydrostatic guideway of a follow-up grinding machine, wherein the method comprises the following steps: obtaining a temperature value of the hydrostatic guide rail of the follow-up grinding machine through a preset temperature sensor; judging whether the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is in a first preset interval or not, if not, triggering a warning device, and sending the temperature value to a preset thermal error calculation module to obtain a first thermal error value; and compensating the motion displacement of the hydrostatic guideway of the follow-up grinding machine according to the first error value, thereby reducing the error of the hydrostatic guideway of the follow-up grinding machine. According to the method, the follow-up grinding machine hydrostatic guide rail is divided into blocks, and the accuracy of temperature monitoring is guaranteed through multi-point temperature monitoring, so that the accurate thermal error is obtained. This application is still through the temperature regulation to follow-up grinding machine hydrostatic guideway to reduce the production of thermal error, reach the purpose of follow-up grinding machine hydrostatic guideway normal operating.
Description
Technical Field
The application relates to the field of data processing and hydrostatic guideway, in particular to a method, a system and a medium for compensating thermal errors of a hydrostatic guideway of a follow-up grinding machine.
Background
With the development and progress of socioeconomic technology, the industrial manufacturing needs are refined, and the manufacturing level of ultra-precision machine tools is the level of reaction to industrial manufacturing. The hydrostatic guideway is one of the main components of the ultra-precision machine tool, the motion error of the hydrostatic guideway directly has adverse effect on the ultra-precision machine tool, and the motion error of the hydrostatic guideway is mainly derived from thermal error. The thermal error is generated by the deformation of the guide rail caused by the heat generated during the mechanical movement, and the larger the temperature difference, the larger the deformation of the guide rail.
Accordingly, there are deficiencies in the art and improvements are needed.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a method, a system and a medium for compensating thermal errors of a hydrostatic guideway of a follow-up grinding machine, which can more accurately control the thermal errors of the hydrostatic guideway of the follow-up grinding machine and accurately compensate the thermal errors.
The invention provides a thermal error compensation method for a hydrostatic guideway of a follow-up grinding machine, which comprises the following steps:
acquiring detection information of a preset temperature sensor;
obtaining a temperature value of the hydrostatic guide rail of the follow-up grinding machine according to detection information of a preset temperature sensor;
judging whether the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is in a first preset interval or not, if not, triggering a warning device, and sending the temperature value to a preset thermal error calculation module to obtain a first thermal error value;
sending the first thermal error value to a preset terminal for corresponding regulation and control;
the preset thermal error calculation module stores a thermal error calculation system of the follow-up grinding machine hydrostatic guideway.
In this scheme, the triggering warning device further includes:
triggering low-temperature warning information when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is smaller than a first preset interval;
sending the low-temperature warning information to a preset heating system to heat the follow-up grinding machine hydrostatic pressure guide rail;
when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is larger than a first preset interval, triggering high-temperature warning information;
and sending the high-temperature warning information to a preset cooling system to cool the follow-up grinding machine hydrostatic guideway.
In this scheme, heat or cooling process still includes:
acquiring indoor temperature information of a servo grinder hydrostatic pressure guide rail;
judging whether the indoor temperature is in a second preset interval or not, and if not, heating or cooling according to the indoor corresponding temperature value;
and sending the indoor heating or cooling processing information to a preset terminal for displaying.
In this scheme, still include:
dividing the hydrostatic guideway of the follow-up grinding machine according to the size of a preset square block to obtain information of a plurality of sub-blocks;
displaying the temperature values on the hydrostatic guide rail of the follow-up grinding machine on the corresponding sub-blocks to obtain the information of the sub-block gathering points with higher temperature values;
setting the sub-block aggregation points with higher temperature values as heat source points;
and sending the position of the heat source point to a server for storage.
In this scheme, still include:
acquiring tool information corresponding to the position of the heat source point;
obtaining corresponding cooling processing method information according to the machines and tools corresponding to the positions of the heat source points;
and sending the corresponding cooling treatment method information to a preset terminal for displaying.
In this scheme, its characterized in that, follow-up grinding machine hydrostatic guideway's thermal error computational system still includes:
acquiring material information of a hydrostatic pressure guide rail of a follow-up grinding machine;
obtaining the thermal expansion coefficient a information corresponding to the follow-up grinder hydrostatic guide rail according to the material of the follow-up grinder hydrostatic guide rail;
the calculation formula of the deviation of the hydrostatic guide rail of the follow-up grinding machine is as follows:
in which
Expressed as the length of the follow-up grinder hydrostatic guideway,
indicating a changing temperature difference.
The invention provides a thermal error compensation system for a hydrostatic guideway of a follow-up grinding machine, which comprises a memory and a processor, wherein the memory stores a thermal error compensation method program for the hydrostatic guideway of the follow-up grinding machine, and the thermal error compensation method program for the hydrostatic guideway of the follow-up grinding machine realizes the following steps when being executed by the processor:
acquiring detection information of a preset temperature sensor;
obtaining a temperature value of the hydrostatic guide rail of the follow-up grinding machine according to detection information of a preset temperature sensor;
judging whether the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is in a first preset interval or not, if not, triggering a warning device, and sending the temperature value to a preset thermal error calculation module to obtain a first thermal error value;
sending the first thermal error value to a preset terminal for corresponding regulation and control;
the preset thermal error calculation module stores a thermal error calculation system of the follow-up grinding machine hydrostatic guideway.
In this scheme, trigger the warning device, still include:
triggering low-temperature warning information when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is smaller than a first preset interval;
sending the low-temperature warning information to a preset heating system to heat the follow-up grinding machine hydrostatic pressure guide rail;
when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is larger than a first preset interval, triggering high-temperature warning information;
and sending the high-temperature warning information to a preset cooling system to cool the follow-up grinding machine hydrostatic guideway.
In this scheme, heat or cooling process still includes:
acquiring indoor temperature information of a servo grinder hydrostatic pressure guide rail;
judging whether the indoor temperature is in a second preset interval or not, and if not, heating or cooling according to the indoor corresponding temperature value;
and sending the indoor heating or cooling processing information to a preset terminal for displaying.
In this scheme, still include:
dividing the follow-up grinder hydrostatic pressure guide rail according to the size of a preset square block to obtain information of a plurality of sub-blocks;
displaying the temperature values on the hydrostatic guide rail of the follow-up grinding machine on the corresponding sub-blocks to obtain the information of the gathering points of the sub-blocks with higher temperature values;
setting the sub-block aggregation points with higher temperature values as heat source points;
and sending the position of the heat source point to a server for storage.
In this scheme, still include:
acquiring machine tool information corresponding to the position of the heat source point;
obtaining corresponding cooling processing method information according to the machines and tools corresponding to the positions of the heat source points;
and sending the corresponding cooling treatment method information to a preset terminal for displaying.
In this scheme, its characterized in that, follow-up grinding machine hydrostatic guideway's thermal error computational system still includes:
acquiring material information of a hydrostatic pressure guide rail of a follow-up grinding machine;
obtaining the thermal expansion coefficient a information corresponding to the follow-up grinder hydrostatic guideway according to the material of the follow-up grinder hydrostatic guideway;
the calculation formula of the deviation of the hydrostatic guide rail of the follow-up grinding machine is as follows:
wherein
Expressed as the length of the movement of the hydrostatic guideway of the follow-up grinding machine,
indicating a varying temperature difference.
A third aspect of the present invention provides a medium, wherein the medium includes a program of a method for compensating for thermal error of a hydrostatic guideway of a follow-up grinding machine, and when the program of the method for compensating for thermal error of a hydrostatic guideway of a follow-up grinding machine is executed by a processor, the method for compensating for thermal error of a hydrostatic guideway of a follow-up grinding machine according to any one of the above-mentioned steps is implemented.
According to the method, the system and the medium for compensating the thermal error of the hydrostatic guideway of the follow-up grinding machine, the hydrostatic guideway of the follow-up grinding machine is divided into blocks, and the accuracy of temperature monitoring is ensured through multipoint temperature monitoring, so that the accurate thermal error is obtained. This application still through the temperature regulation to follow-up grinding machine hydrostatic guideway to reduce the production of thermal error, reach the purpose of follow-up grinding machine hydrostatic guideway normal operating.
Drawings
FIG. 1 shows a flow chart of a method for compensating for thermal errors of a hydrostatic guideway of a follow-up grinding machine according to the present invention;
FIG. 2 is a schematic diagram illustrating the main steps of the thermal error compensation method for the hydrostatic guideway of the follow-up grinding machine;
fig. 3 shows a block diagram of a hydrostatic guideway thermal error compensation system of a follow-up grinding machine according to the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a flow chart of a method for compensating thermal errors of a hydrostatic guideway of a follow-up grinding machine according to the present invention.
As shown in fig. 1, the invention discloses a thermal error compensation method for a hydrostatic guideway of a follow-up grinding machine, which comprises the following steps:
s102, acquiring detection information of a preset temperature sensor;
s104, obtaining a temperature value of the hydrostatic guide rail of the follow-up grinding machine according to detection information of a preset temperature sensor;
s106, judging whether the temperature value of the hydrostatic guideway of the follow-up grinding machine is in a first preset interval or not, if not, triggering a warning device, and sending the temperature value to a preset thermal error calculation module to obtain first thermal error value information;
and S108, sending the first thermal error value to a preset terminal for corresponding regulation and control.
It should be noted that the preset temperature sensor has n temperature sensing nodes, the temperature value of the hydrostatic guideway of the follow-up grinding machine is an average value of the n temperature sensing nodes, and the first preset interval is an optimal temperature interval of the operation of the hydrostatic guideway of the follow-up grinding machine, for example, the first preset interval is an optimal temperature interval of the operation of the hydrostatic guideway of the follow-up grinding machine
Wherein
The working temperature value of the hydrostatic guide rail of the follow-up grinding machine is shown in
During interval, the error caused by temperature can be ignored, and when the detected temperature value is greater than the temperature value
Or below
When the temperature is measured, the error caused by the temperature is not negligible, the middle point of the first preset interval is taken as a target temperature, and the target temperature is taken as
If the detected temperature is
Then, then
Wherein
Indicating a detected temperature value of the ith temperature sensor, wherein
. Will detect the temperature
Inputting the first thermal error value into a preset thermal error calculation module to obtain a first thermal error value, and correspondingly regulating and controlling the motion of the hydrostatic guideway of the follow-up grinding machine according to the first thermal error value, for example, the thermal error value is shifted to the positive direction of the x axis
Then the movement of the hydrostatic guideway of the follow-up grinding machine is deviated to the negative direction of the x axis
So that the movement of the hydrostatic guideway of the follow-up grinding machine is normal.
According to the embodiment of the present invention, the triggering alarm device further includes:
triggering low-temperature warning information when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is smaller than a first preset interval;
sending the low-temperature warning information to a preset heating system to heat the follow-up grinding machine hydrostatic pressure guide rail;
when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is larger than a first preset interval, triggering high-temperature warning information;
and sending the high-temperature warning information to a preset cooling system to cool the follow-up grinding machine hydrostatic guideway.
It should be noted that the temperature value of the hydrostatic guideway of the follow-up grinding machine displays different color warning lamps at different temperatures, for example, when the detected temperature value is less than a first preset interval, the temperature display lamp is blue, triggers a low-temperature alarm, and adopts a heating process; when the detected temperature value is in a first preset interval, displaying the temperature as green; when the detected temperature value is higher than the first preset interval, the display lamp is red and triggers a high-temperature alarm, and then the temperature is reduced.
According to the embodiment of the present invention, the heating or cooling process further includes:
acquiring indoor temperature information of a servo grinder hydrostatic pressure guide rail;
judging whether the indoor temperature is in a second preset interval, if not, heating or cooling according to the indoor corresponding temperature value;
and sending the information of heating or cooling treatment of the indoor space to a preset terminal for displaying.
It should be noted that the heat energy has transferability, and can be spontaneously transferred from a high temperature to a low temperature, and the larger the temperature difference is, the faster the heat transfer is, when the indoor temperature is higher than the maximum value of the second preset interval, the heat generated by the hydrostatic guideway of the follow-up grinding machine is not easy to be dissipated outwards, so that the cooling rate of the hydrostatic guideway of the follow-up grinding machine is reduced, and when the indoor temperature is lower than the minimum value of the second preset interval, the temperature of the hydrostatic guideway of the follow-up grinding machine is excessively lost, so that the temperature value of the hydrostatic guideway of the follow-up grinding machine is within the first preset interval, thereby causing low temperature warning.
According to the embodiment of the invention, the method further comprises the following steps:
dividing the hydrostatic guideway of the follow-up grinding machine according to the size of a preset square block to obtain information of a plurality of sub-blocks;
displaying the temperature values on the hydrostatic guide rail of the follow-up grinding machine on the corresponding sub-blocks to obtain the information of the sub-block gathering points with higher temperature values;
setting the sub-block aggregation points with higher temperature values as heat source points;
and sending the position of the heat source point to a server for storage.
It should be noted that the hydrostatic guideway of the follow-up grinding machine is divided according to the size of a preset square block to obtain a plurality of sub-blocks, each sub-block has at least one temperature sensing node, if two or more temperature sensing nodes exist in the sub-block, the average value of the plurality of nodes is taken as the temperature value of the sub-block, the detected temperature values of the sub-blocks are compared and analyzed to find out the sub-block with higher detected temperature value, and the corresponding block is set as a hot remote point.
According to the embodiment of the invention, the method further comprises the following steps:
acquiring tool information corresponding to the position of the heat source point;
obtaining corresponding cooling processing method information according to the machines and tools corresponding to the positions of the heat source points;
and sending the corresponding cooling treatment method information to a preset terminal for displaying.
It should be noted that, the position of the machine tool generating the corresponding thermal energy is found out through the position of the heat source point, and the corresponding cooling processing method is determined according to the information of the performance, the position and the like of the machine tool, for example, the heat source point is inside, and the thermal energy is taken away through the flow of the lubricating oil; if the heat source point is located close to the edge, the temperature can be reduced by blowing cold air or the like.
According to the embodiment of the invention, the system for calculating the thermal error of the hydrostatic guideway of the follow-up grinding machine further comprises:
acquiring material information of a hydrostatic pressure guide rail of a follow-up grinding machine;
obtaining the thermal expansion coefficient a information corresponding to the follow-up grinder hydrostatic guideway according to the material of the follow-up grinder hydrostatic guideway;
the calculation formula of the deviation of the hydrostatic guide rail of the follow-up grinding machine is as follows:
wherein
Expressed as the length of the follow-up grinder hydrostatic guideway,
indicating a varying temperature difference.
It should be noted that, according to the difference of the materials and the thermal expansion coefficients, the material of the hydrostatic guide rail of the follow-up grinding machine is extracted, matching is performed according to the corresponding preset thermal expansion coefficient table, the thermal expansion coefficient a of the hydrostatic guide rail of the follow-up grinding machine is determined, and the deviation value of the hydrostatic guide rail of the follow-up grinding machine is determined
The formula is as follows:
in which
Expressed as the length of the follow-up grinder hydrostatic guideway,
represents a varying temperature difference, wherein
Wherein
In order to detect the temperature value(s),
for calibrating the temperature value, when the movement directions of the hydrostatic guide rail of the follow-up grinding machine are multiple, the movable lengths of the hydrostatic guide rail of the follow-up grinding machine in multiple directions are recorded, for example
Is the moving length in the x-axis direction,
the moving length in the y-axis direction,
for the length of movement in the z-axis direction, the length in each direction is obtained by a corresponding formula
Value according to different directions
And correspondingly compensating the hydrostatic pressure guide rail of the follow-up grinding machine.
According to the embodiment of the invention, the method further comprises the following steps:
judging whether the temperature of the hydrostatic guide rail of the follow-up grinding machine is greater than a third preset threshold value or not, and if so, triggering a closing device of the hydrostatic guide rail of the follow-up grinding machine;
and sending the closing information of the follow-up grinding machine hydrostatic pressure guide rail to a preset terminal and warning.
It should be noted that, when the temperature of the hydrostatic guideway of the follow-up grinding machine continuously rises and is greater than the third preset threshold, it is indicated that a problem occurs during the operation of the hydrostatic guideway of the follow-up grinding machine, for example, a machine is jammed, and high temperature is caused, so that the temperature of the hydrostatic guideway of the follow-up grinding machine is too high, and the machine is easily damaged. For example, the third predetermined threshold is 80
Then, the temperature value of the working environment of the hydrostatic guideway of the follow-up grinding machine is more than 80
When the follow-up grinder hydrostatic pressure guide rail closing device is triggered, the follow-up grinder hydrostatic pressure guide rail machine tool is forcibly closed, so that follow-up grinding is protectedThe hydrostatic guide rail grinding machine has the effect.
According to the embodiment of the invention, the method further comprises the following steps:
acquiring historical error values and corresponding temperature information of the hydrostatic guide rail of the follow-up grinding machine;
sending the historical error value of the hydrostatic guideway of the follow-up grinding machine and the corresponding temperature information to a preset neural network model for training to obtain a model of the corresponding error of the temperature;
inputting the obtained temperature information into a model of the corresponding error of the temperature to obtain a second error value
；
According to the first error value
And a second error value
To the first error value
And carrying out corresponding adjustment.
It should be noted that the preset neural network model is trained based on the error value of the hydrostatic guideway of the follow-up grinding machine and the historical data of the corresponding temperature to obtain the neural network model with the error corresponding to the temperature, the temperature value obtained from the preset temperature sensor is input into the neural network model with the error corresponding to the temperature to obtain the second error value
Further determine the second error value
And
if the phase difference value is greater than the fourth preset threshold value, the phase difference value indicates that the phase difference value is greater than the fourth preset threshold value
In which there is an error, e.g. the fourth preset threshold is
Then, then
The corresponding difference value is in a controllable range; if it is
If the difference is too large, the calculation will be performed again
And
according to the first error value
And a second error value
To the first error value
And carrying out corresponding adjustment.
According to the embodiment of the invention, the method further comprises the following steps:
acquiring temperature difference information between adjacent sub-blocks;
judging whether the temperature difference between the adjacent sub-blocks is smaller than a fifth preset threshold value or not, and if not, obtaining weak heat conduction performance information of liquid in the hydrostatic guideway of the follow-up grinding machine;
and sending the information of weaker heat conductivity of the liquid in the follow-up grinding machine hydrostatic pressure guide rail to a preset terminal for displaying.
It should be noted that the heat energy generated in the hydrostatic guideway of the follow-up grinding machine is diffused by the heat conductivity of the hydrostatic guideway of the follow-up grinding machine and the heat conductivity of the liquid in the guideway, and when the hydrostatic guideway of the follow-up grinding machine uses a fixing material, the heat conductivity of the liquid in the hydrostatic guideway of the follow-up grinding machine needs to be improved to improve the heat energy cooling speed of the whole machine tool.
FIG. 2 is a schematic diagram illustrating the main steps of the thermal error compensation method for the hydrostatic guideway of the follow-up grinding machine;
as shown in fig. 2, in the present invention, a preset temperature sensor is used to perform temperature monitoring on the hydrostatic guideway of the follow-up grinding machine, so as to obtain a temperature value of the hydrostatic guideway of the follow-up grinding machine, and further, whether the detected temperature value is in a first preset interval is determined, if so, normal operation of the hydrostatic guideway of the follow-up grinding machine is displayed; if not, correspondingly regulating and controlling through a thermal error compensation method or a temperature compensation method, wherein the thermal error compensation method is used for calculating the movement error of the hydrostatic guideway of the follow-up grinding machine through temperature and correspondingly compensating according to the movement error; the temperature compensation method is characterized in that the temperature is regulated and controlled in a first preset interval, so that the motion error of the follow-up grinder hydrostatic guideway is in a receiving range, and the follow-up grinder hydrostatic guideway normally operates.
Fig. 3 shows a block diagram of a hydrostatic guideway thermal error compensation system of a follow-up grinding machine according to the present invention.
Acquiring detection information of a preset temperature sensor;
obtaining a temperature value of the hydrostatic guide rail of the follow-up grinding machine according to detection information of a preset temperature sensor;
judging whether the temperature value of the hydrostatic guide rail of the follow-up grinding machine is in a first preset interval, if not, triggering a warning device, and sending the temperature value to a preset thermal error calculation module to obtain first thermal error value information;
and sending the first thermal error value to a preset terminal for corresponding regulation and control.
It should be noted that the preset temperature sensor has n temperature sensing nodes, the temperature value of the hydrostatic guideway of the follow-up grinding machine is an average value of the n temperature sensing nodes, and the first preset interval is an optimal temperature interval of the hydrostatic guideway of the follow-up grinding machine, for example, the first preset interval is an optimal temperature interval of the hydrostatic guideway of the follow-up grinding machine
Wherein
The working temperature value of the hydrostatic guide rail of the follow-up grinding machine is shown in
During interval, the error caused by temperature can be ignored, and when the detected temperature value is greater than the temperature value
Or below
When the temperature is measured, the error caused by the temperature is not negligible, the middle point of the first preset interval is taken as a target temperature, and the target temperature is taken as
If the detected temperature is
Then, then
Wherein
Indicating a detected temperature value of the ith temperature sensor, wherein
. Will detect the temperature
Inputting the first thermal error value into a preset thermal error calculation module to obtain a first thermal error value, and correspondingly regulating and controlling the motion of the hydrostatic guideway of the follow-up grinding machine according to the first thermal error value, for example, the thermal error value is shifted to the positive direction of the x axis
Then the movement of the hydrostatic guideway of the follow-up grinding machine is deviated to the negative direction of the x axis
So that the movement of the hydrostatic guideway of the follow-up grinding machine is normal.
According to the embodiment of the present invention, the triggering alarm device further includes:
triggering low-temperature warning information when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is smaller than a first preset interval;
sending the low-temperature warning information to a preset heating system to heat the follow-up grinding machine hydrostatic pressure guide rail;
when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is larger than a first preset interval, triggering high-temperature warning information;
and sending the high-temperature warning information to a preset cooling system to cool the follow-up grinding machine hydrostatic guideway.
It should be noted that the temperature value of the hydrostatic guideway of the follow-up grinding machine displays different color warning lamps at different temperatures, for example, when the detected temperature value is less than a first preset interval, the temperature display lamp is blue, triggers a low-temperature alarm, and adopts a heating process; when the detected temperature value is in a first preset interval, displaying the temperature as green; when the detected temperature value is higher than the first preset interval, the display lamp is red and triggers a high-temperature alarm, and then the temperature is reduced.
According to the embodiment of the present invention, the heating or cooling process further includes:
acquiring indoor temperature information of a servo grinder hydrostatic pressure guide rail;
judging whether the indoor temperature is in a second preset interval or not, and if not, heating or cooling according to the indoor corresponding temperature value;
and sending the indoor heating or cooling processing information to a preset terminal for displaying.
It should be noted that the heat energy has transferability, and can be spontaneously transferred from a high temperature to a low temperature, and the larger the temperature difference is, the faster the heat transfer is, when the indoor temperature is higher than the maximum value of the second preset interval, the heat generated by the hydrostatic guideway of the follow-up grinding machine is not easy to be dissipated outwards, so that the cooling rate of the hydrostatic guideway of the follow-up grinding machine is reduced, and when the indoor temperature is lower than the minimum value of the second preset interval, the temperature of the hydrostatic guideway of the follow-up grinding machine is excessively lost, so that the temperature value of the hydrostatic guideway of the follow-up grinding machine is within the first preset interval, thereby causing low temperature warning.
According to the embodiment of the invention, the method further comprises the following steps:
dividing the follow-up grinder hydrostatic pressure guide rail according to the size of a preset square block to obtain information of a plurality of sub-blocks;
displaying the temperature values on the hydrostatic guide rail of the follow-up grinding machine on the corresponding sub-blocks to obtain the information of the gathering points of the sub-blocks with higher temperature values;
setting the sub-block aggregation points with higher temperature values as heat source points;
and sending the position of the heat source point to a server for storage.
It should be noted that the hydrostatic guideway of the follow-up grinding machine is divided according to the size of a preset square block to obtain a plurality of sub-blocks, each sub-block has at least one temperature sensing node, if two or more temperature sensing nodes exist in the sub-block, the average value of the plurality of nodes is taken as the temperature value of the sub-block, the detected temperature values of the sub-blocks are compared and analyzed to find out the sub-block with higher detected temperature value, and the corresponding block is set as a hot remote point.
According to the embodiment of the invention, the method further comprises the following steps:
acquiring tool information corresponding to the position of the heat source point;
obtaining corresponding cooling processing method information according to the machines and tools corresponding to the positions of the heat source points;
and sending the corresponding cooling treatment method information to a preset terminal for displaying.
It should be noted that, the position of the machine tool generating the corresponding thermal energy is found out through the position of the heat source point, and the corresponding cooling processing method is determined according to the information of the performance, the position and the like of the machine tool, for example, the heat source point is inside, and the thermal energy is taken away through the flow of the lubricating oil; if the heat source point is located close to the edge, the temperature can be reduced by blowing cold air or the like.
According to the embodiment of the invention, the thermal error calculation system of the hydrostatic guideway of the follow-up grinding machine further comprises:
acquiring material information of a hydrostatic pressure guide rail of a follow-up grinding machine;
obtaining the thermal expansion coefficient a information corresponding to the follow-up grinder hydrostatic guide rail according to the material of the follow-up grinder hydrostatic guide rail;
the calculation formula of the deviation of the hydrostatic guide rail of the follow-up grinding machine is as follows:
wherein
Expressed as the length of the follow-up grinder hydrostatic guideway,
indicating a varying temperature difference.
It should be noted that, according to the difference of the materials and the thermal expansion coefficients, the material of the hydrostatic guide rail of the follow-up grinding machine is extracted, matching is performed according to the corresponding preset thermal expansion coefficient table, the thermal expansion coefficient a of the hydrostatic guide rail of the follow-up grinding machine is determined, and the deviation value of the hydrostatic guide rail of the follow-up grinding machine is determined
The formula is as follows:
wherein
Expressed as the length of the follow-up grinder hydrostatic guideway,
which represents the varying temperature difference, is,wherein
Wherein
In order to detect the temperature value(s),
for calibrating the temperature value, when a plurality of movement directions of the hydrostatic guide rail of the follow-up grinding machine exist, the movable length of the hydrostatic guide rail of the follow-up grinding machine in a plurality of directions is recorded, for example
Is the moving length in the x-axis direction,
is the movable length in the direction of the y axis,
for the length of movement in the z-axis direction, the length in each direction is obtained by a corresponding formula
Value according to different directions
And correspondingly compensating the hydrostatic pressure guide rail of the follow-up grinding machine.
According to the embodiment of the invention, the method further comprises the following steps:
judging whether the temperature of the hydrostatic guide rail of the follow-up grinding machine is greater than a third preset threshold value or not, and if so, triggering a closing device of the hydrostatic guide rail of the follow-up grinding machine;
and sending the closing information of the hydrostatic guide rail of the follow-up grinding machine to a preset terminal for warning.
It should be noted that, when the temperature of the hydrostatic guideway of the follow-up grinding machine continuously rises and is greater than the third preset threshold, it is indicated that a problem, a ratio, occurs in the operation of the hydrostatic guideway of the follow-up grinding machineIf a machine is blocked, the temperature of the hydrostatic pressure guide rail of the follow-up grinding machine is too high due to high temperature, and the machine is easily damaged. For example, the third predetermined threshold is 80
If the temperature value of the working environment of the hydrostatic guide rail of the follow-up grinding machine is greater than 80, the follow-up grinding machine is judged to be in a working environment with the hydrostatic guide rail temperature value of the follow-up grinding machine being greater than 80
And triggering the follow-up grinder hydrostatic guideway closing device to forcibly close the follow-up grinder hydrostatic guideway machine, thereby protecting the follow-up grinder hydrostatic guideway machine.
According to the embodiment of the invention, the method further comprises the following steps:
acquiring historical error values and corresponding temperature information of the hydrostatic guide rail of the follow-up grinding machine;
sending the historical error value of the hydrostatic guideway of the follow-up grinding machine and the corresponding temperature information to a preset neural network model for training to obtain a model of the corresponding error of the temperature;
inputting the obtained temperature information into a model of the corresponding error of the temperature to obtain a second error value
；
According to the first error value
And a second error value
To the first error value
And carrying out corresponding adjustment.
It should be noted that the preset neural network model is trained based on the hydrostatic guideway error value of the follow-up grinding machine and the historical data of the corresponding temperature to obtain the neural network model with the corresponding temperature error, and the neural network model with the corresponding temperature error is obtained in advanceInputting the temperature value obtained from the temperature sensor into the neural network model of the corresponding error of the temperature to obtain a second error value
Further determine the second error value
And
if the phase difference value is greater than the fourth preset threshold value, the phase difference value indicates that the phase difference value is greater than the fourth preset threshold value
In which there is an error, e.g. the fourth preset threshold is
Then, then
The corresponding phase difference value is in a controllable range; if it is
If the corresponding phase difference is too large, the calculation is carried out again
And
according to the first error value
And a second error value
To the first error value
Go on toShould be adjusted.
According to the embodiment of the invention, the method further comprises the following steps:
acquiring temperature difference information between adjacent sub-blocks;
judging whether the temperature difference between the adjacent sub-blocks is smaller than a fifth preset threshold value or not, and if not, obtaining weak heat conduction performance information of liquid in the hydrostatic guideway of the follow-up grinding machine;
and sending the information of weaker heat conductivity of the liquid in the follow-up grinding machine hydrostatic pressure guide rail to a preset terminal for displaying.
It should be noted that the heat energy generated in the hydrostatic guideway of the follow-up grinding machine is diffused by the heat conductivity of the hydrostatic guideway of the follow-up grinding machine and the heat conductivity of the liquid in the guideway, and when the hydrostatic guideway of the follow-up grinding machine uses a fixing material, the heat conductivity of the liquid in the hydrostatic guideway of the follow-up grinding machine needs to be improved to improve the heat energy cooling speed of the whole machine tool.
A third aspect of the present invention provides a medium, wherein the medium includes a program of a method for compensating for thermal error of a hydrostatic guideway of a follow-up grinding machine, and when the program of the method for compensating for thermal error of a hydrostatic guideway of a follow-up grinding machine is executed by a processor, the method for compensating for thermal error of a hydrostatic guideway of a follow-up grinding machine according to any one of the above-mentioned steps is implemented.
The invention discloses a method, a system and a medium for compensating thermal errors of a hydrostatic guideway of a follow-up grinding machine, wherein the method comprises the following steps: obtaining a temperature value of the hydrostatic guide rail of the follow-up grinding machine through a preset temperature sensor; judging whether the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is in a first preset interval or not, if not, triggering a warning device, and sending the temperature value to a preset thermal error calculation module to obtain first thermal error value information; and compensating the motion displacement of the hydrostatic guideway of the follow-up grinding machine according to the first error value, thereby reducing the error of the hydrostatic guideway of the follow-up grinding machine. According to the method, the follow-up grinding machine hydrostatic guide rail is divided into blocks, and the accuracy of temperature monitoring is guaranteed through multi-point temperature monitoring, so that the accurate thermal error is obtained. This application still through the temperature regulation to follow-up grinding machine hydrostatic guideway to reduce the production of thermal error, reach the purpose of follow-up grinding machine hydrostatic guideway normal operating.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units; can be located in one place or distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media capable of storing program code.
Claims (10)
1. A thermal error compensation method for a hydrostatic guideway of a follow-up grinding machine is characterized by comprising the following steps:
acquiring detection information of a preset temperature sensor;
obtaining a temperature value of the hydrostatic guide rail of the follow-up grinding machine according to detection information of a preset temperature sensor;
judging whether the temperature value of the hydrostatic guide rail of the follow-up grinding machine is in a first preset interval, if not, triggering a warning device, and sending the temperature value to a preset thermal error calculation module to obtain a first thermal error value;
sending the first thermal error value to a preset terminal for corresponding regulation and control;
the preset thermal error calculation module stores a thermal error calculation system of the follow-up grinding machine hydrostatic guideway.
2. The method for compensating the thermal error of the hydrostatic guideway of the follow-up grinding machine according to claim 1, wherein the triggering alarm device further comprises:
triggering low-temperature warning information when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is smaller than a first preset interval;
sending the low-temperature warning information to a preset heating system to heat the follow-up grinding machine hydrostatic pressure guide rail;
when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is larger than a first preset interval, triggering high-temperature warning information;
and sending the high-temperature warning information to a preset cooling system to cool the follow-up grinding machine hydrostatic guideway.
3. The method for compensating for the thermal error of the hydrostatic guideway of the follow-up grinding machine according to claim 2, wherein the heating or cooling process further comprises:
acquiring indoor temperature information of a follow-up grinding machine hydrostatic guide rail;
judging whether the indoor temperature is in a second preset interval, if not, heating or cooling according to the indoor corresponding temperature value;
and sending the information of heating or cooling treatment of the indoor space to a preset terminal for displaying.
4. The method for compensating for the thermal error of the hydrostatic guideway of the follow-up grinding machine according to claim 1, further comprising:
dividing the follow-up grinder hydrostatic pressure guide rail according to the size of a preset square block to obtain information of a plurality of sub-blocks;
displaying the temperature values on the hydrostatic guide rail of the follow-up grinding machine on the corresponding sub-blocks to obtain the information of the sub-block gathering points with higher temperature values;
setting the sub-block aggregation points with higher temperature values as heat source points;
and sending the position of the heat source point to a server for storage.
5. The method for compensating the thermal error of the hydrostatic guideway of the follow-up grinding machine according to claim 1, characterized by further comprising:
acquiring tool information corresponding to the position of the heat source point;
obtaining corresponding cooling processing method information according to the machines and tools corresponding to the positions of the heat source points;
and sending the corresponding cooling method information to a preset terminal for displaying.
6. The method for compensating for the thermal error of the hydrostatic guideway of the follow-up grinding machine according to claim 1, wherein the system for calculating the thermal error of the hydrostatic guideway of the follow-up grinding machine further comprises:
acquiring material information of a hydrostatic pressure guide rail of a follow-up grinding machine;
obtaining the thermal expansion coefficient a information corresponding to the follow-up grinder hydrostatic guideway according to the material of the follow-up grinder hydrostatic guideway;
the calculation formula of the deviation of the hydrostatic guide rail of the follow-up grinding machine is as follows:
wherein
Expressed as the length of the movement of the hydrostatic guideway of the follow-up grinding machine,
indicating a changing temperature difference.
7. A thermal error compensation system for a hydrostatic guideway of a follow-up grinding machine is characterized by comprising a memory and a processor, wherein the memory stores a thermal error compensation method program for the hydrostatic guideway of the follow-up grinding machine, and when the thermal error compensation method program for the hydrostatic guideway of the follow-up grinding machine is executed by the processor, the following steps are realized:
acquiring detection information of a preset temperature sensor;
obtaining a temperature value of the hydrostatic guide rail of the follow-up grinding machine according to detection information of a preset temperature sensor;
judging whether the temperature value of the hydrostatic guide rail of the follow-up grinding machine is in a first preset interval, if not, triggering a warning device, and sending the temperature value to a preset thermal error calculation module to obtain a first thermal error value;
sending the first thermal error value to a preset terminal for corresponding regulation and control;
the preset thermal error calculation module stores a thermal error calculation system of the follow-up grinding machine hydrostatic guideway.
8. The system of claim 7, wherein the trigger alert device further comprises:
triggering low-temperature warning information when the temperature value of the hydrostatic pressure guide rail of the follow-up grinding machine is smaller than a first preset interval;
sending the low-temperature warning information to a preset heating system to heat the follow-up grinding machine hydrostatic pressure guide rail;
when the temperature value of the hydrostatic guide rail of the follow-up grinding machine is larger than a first preset interval, triggering high-temperature warning information;
and sending the high-temperature warning information to a preset cooling system to cool the follow-up grinding machine hydrostatic guideway.
9. The system for compensating for the thermal error of the hydrostatic guideway of the follow-up grinding machine according to claim 8, wherein the heating or cooling process further comprises:
acquiring indoor temperature information of a follow-up grinding machine hydrostatic guide rail;
judging whether the indoor temperature is in a second preset interval or not, and if not, heating or cooling according to the indoor corresponding temperature value;
and sending the information of heating or cooling treatment of the indoor space to a preset terminal for displaying.
10. A medium comprising a follow-up grinding machine hydrostatic guideway thermal error compensation method program which, when executed by a processor, implements the steps of a follow-up grinding machine hydrostatic guideway thermal error compensation method of any of claims 1 to 6.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6167634B1 (en) * | 1998-03-28 | 2001-01-02 | Snu Precision Co., Ltd. | Measurement and compensation system for thermal errors in machine tools |
| JP2002224935A (en) * | 2001-01-31 | 2002-08-13 | Toyoda Mach Works Ltd | Sizing device for machine tool and recording medium readable with computer, which is recorded with control program for the device is recorded |
| US20080144693A1 (en) * | 2006-12-18 | 2008-06-19 | Okuma Corporation | Method for detecting abnormality of temperature sensor in machine tool |
| CN102081377A (en) * | 2010-11-25 | 2011-06-01 | 电子科技大学 | Thermal error compensation device on basis of numerical control workbench |
| CN103801988A (en) * | 2014-02-25 | 2014-05-21 | 南通大学 | Monitoring system for thermal error of machine tool spindle |
| CN105511401A (en) * | 2015-12-30 | 2016-04-20 | 青海模具制造科技有限公司 | System for measuring thermal error of precise numerically-controlled machine tool and compensating temperature |
| CN106094723A (en) * | 2016-05-26 | 2016-11-09 | 清华大学深圳研究生院 | The monitoring of a kind of machine tool temperature field based on WSN and in real time heat error compensation system |
| DE102016112922A1 (en) * | 2015-07-21 | 2017-01-26 | Fanuc Corporation | Thermal displacement compensator for a machine tool |
| TW201832030A (en) * | 2017-02-15 | 2018-09-01 | 友嘉實業股份有限公司 | Thermal compensation method for influence of machine tool ambient temperature capable of reducing thermal errors and improving machining accuracy |
| CN109765846A (en) * | 2019-03-11 | 2019-05-17 | 哈尔滨理工大学 | The selection method of double turntable five-axle number control machine tool thermal error modeling temperature sensitive points |
| CN110716500A (en) * | 2019-11-18 | 2020-01-21 | 重庆理工大学 | Method and system for determining segmented modeling points of temperature sensitive interval |
| CN110889091A (en) * | 2019-11-18 | 2020-03-17 | 重庆理工大学 | Machine tool thermal error prediction method and system based on temperature sensitive interval segmentation |
| CN111618662A (en) * | 2020-05-18 | 2020-09-04 | 湖北文理学院 | Method for testing thermal error characteristics of complete machine tool |
| DE102020001078A1 (en) * | 2019-03-15 | 2020-09-17 | Fanuc Corporation | TEMPERATURE INTERPOLATION DEVICE |
-
2022
- 2022-06-29 CN CN202210747471.3A patent/CN115091363B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6167634B1 (en) * | 1998-03-28 | 2001-01-02 | Snu Precision Co., Ltd. | Measurement and compensation system for thermal errors in machine tools |
| JP2002224935A (en) * | 2001-01-31 | 2002-08-13 | Toyoda Mach Works Ltd | Sizing device for machine tool and recording medium readable with computer, which is recorded with control program for the device is recorded |
| US20080144693A1 (en) * | 2006-12-18 | 2008-06-19 | Okuma Corporation | Method for detecting abnormality of temperature sensor in machine tool |
| CN102081377A (en) * | 2010-11-25 | 2011-06-01 | 电子科技大学 | Thermal error compensation device on basis of numerical control workbench |
| CN103801988A (en) * | 2014-02-25 | 2014-05-21 | 南通大学 | Monitoring system for thermal error of machine tool spindle |
| DE102016112922A1 (en) * | 2015-07-21 | 2017-01-26 | Fanuc Corporation | Thermal displacement compensator for a machine tool |
| CN105511401A (en) * | 2015-12-30 | 2016-04-20 | 青海模具制造科技有限公司 | System for measuring thermal error of precise numerically-controlled machine tool and compensating temperature |
| CN106094723A (en) * | 2016-05-26 | 2016-11-09 | 清华大学深圳研究生院 | The monitoring of a kind of machine tool temperature field based on WSN and in real time heat error compensation system |
| TW201832030A (en) * | 2017-02-15 | 2018-09-01 | 友嘉實業股份有限公司 | Thermal compensation method for influence of machine tool ambient temperature capable of reducing thermal errors and improving machining accuracy |
| CN109765846A (en) * | 2019-03-11 | 2019-05-17 | 哈尔滨理工大学 | The selection method of double turntable five-axle number control machine tool thermal error modeling temperature sensitive points |
| DE102020001078A1 (en) * | 2019-03-15 | 2020-09-17 | Fanuc Corporation | TEMPERATURE INTERPOLATION DEVICE |
| CN110716500A (en) * | 2019-11-18 | 2020-01-21 | 重庆理工大学 | Method and system for determining segmented modeling points of temperature sensitive interval |
| CN110889091A (en) * | 2019-11-18 | 2020-03-17 | 重庆理工大学 | Machine tool thermal error prediction method and system based on temperature sensitive interval segmentation |
| CN111618662A (en) * | 2020-05-18 | 2020-09-04 | 湖北文理学院 | Method for testing thermal error characteristics of complete machine tool |
Non-Patent Citations (1)
| Title |
|---|
| 杨庆东等: "三坐标测量机的热变形和神经网络误差补偿", 计量学报, vol. 21, no. 4, pages 36 - 41 * |
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