Lathe control system for production and processing

Abstract

The invention relates to the technical field of lathe control, and discloses a production machining lathe control system which comprises a data collection module, a data processing module, a data analysis module, an output module and an early warning module. According to the lathe control system for production and machining, the temperature fluctuation value, the vibration fluctuation value, the workpiece clamping force, the tool abrasion loss and the tool movement amount are compared with corresponding threshold values respectively, when the temperature fluctuation value exceeds the corresponding threshold values, it is judged that the temperature is too high, and when the vibration fluctuation value exceeds the corresponding threshold values, it is judged that the vibration amplitude is too large; when the workpiece clamping force is lower than the corresponding threshold value, it is judged that the clamping force is too small, when the tool abrasion loss exceeds the corresponding threshold value, it is judged that the cutting capacity of the tool is reduced, when the tool movement amount exceeds the corresponding threshold value, it is judged that the path of the tool deviates, and when any one of the numerical values is abnormal, it is judged that the cutting capacity of the tool is not reduced. The early warning module synchronously gives out early warning through a display end and an audio end, and workers take corresponding measures in time.

Description

Technical Field

[0001] The invention relates to the technical field of lathe control, in particular to a lathe control system for production and processing. Background Art

[0002] A lathe is a machine tool that mainly uses a turning tool to turn a rotating workpiece. Drills, reamer drills, reamers, taps, dies and knurling tools can also be used on the lathe for corresponding processing. The CNC system of the lathe consists of a CNC unit, a stepper servo drive unit and a reduction stepper motor. The CNC unit uses an MGS-51 single-chip microcomputer. The control program of the CNC unit is the core of realizing various functions. In the part processing program, the specific processing length, moving direction and feed speed are given. With the support of the central processing unit, the control program sends out the required pulse signal according to the input processing program data after calculation and processing. After being amplified by the driver power, it drives the stepper motor, and the stepper motor drags the mechanical load to realize the automatic control of the machine tool. The lathe control system can be divided into the following types: CNC is a control system commonly used by CNC machine tools. It controls the lathe for processing through computer instructions. PLC is a programmable logic controller, which is a digital computing and operating electronic system specially designed for the production process. The PLC control system can control the logic circuit of the lathe through programming, thereby realizing various operations of the lathe.

[0003] However, the control systems of traditional production lathes have the problem of low precision, mainly due to many uncertain factors in the processing process, including environmental influences, unstable workpiece fixtures, tool wear and tool position deviation. These factors will cause instability in workpiece size and shape, thereby affecting the accuracy of the control system. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the shortcomings of the prior art, the present invention provides a lathe control system for production and processing, which has the advantages of synchronously monitoring data such as ambient temperature, lathe vibration amplitude, workpiece clamping force, tool wear and tool offset, and can promptly detect and take corresponding measures when abnormalities occur, thereby ensuring the accuracy of lathe processing, thereby solving the above-mentioned problems.

[0005] (II) Technical solution To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a production and processing lathe control system, including a data collection module, a data processing module, a data analysis module, an output module and an early warning module; The data collection module includes a temperature measurement unit, a vibration measurement unit, a pressure measurement unit, a cutting force measurement unit and a pulse measurement unit, wherein; The temperature measurement unit is used to collect the real-time temperature of the environment where the lathe is located. The vibration measurement unit is used to collect the real-time vibration generated by the lathe during operation. The pressure measuring unit is used to collect the real-time pressure of the fixture. The cutting force measurement unit is used to collect the real-time cutting force of the tool. The pulse measurement unit is used to collect the real-time pulse number of the position sensor. ; The data collection module collects multiple real-time temperatures collected in a time period , Real-time vibration , real-time pressure , real-time cutting force And real-time pulse number A real-time temperature data set, a real-time vibration data set, a real-time pressure data set, a real-time cutting force data set and a real-time pulse number data set are respectively formed, and the data collection module sends these data sets to the data processing module through the network; The data processing module preprocesses the real-time temperature data set, the real-time vibration data set, the real-time pressure data set, the real-time cutting force data set and the real-time pulse number data set to obtain the real-time temperature after cleaning. , Real-time vibration after cleaning , Real-time pressure after cleaning , Real-time cutting force after cleaning And the real-time pulse number after cleaning The data processing module is based on the real-time temperature of two adjacent cleaning Calculate temperature fluctuations The data processing module is based on the real-time vibration of two adjacent cleaning Calculate vibration fluctuation value The data processing module is based on the real-time pressure after cleaning. Calculating the workpiece clamping force The data processing module is based on the real-time cutting force after cleaning. Calculate tool wear The data processing module is based on the real-time pulse number after cleaning. Calculate tool movement , the data processing module sends these data to the data analysis module through the network; The data analysis module is preset with a temperature fluctuation value threshold , vibration fluctuation value threshold , Workpiece clamping force threshold , tool wear threshold And the tool movement threshold The data analysis module converts the temperature fluctuation value , vibration fluctuation value , Workpiece clamping force , tool wear And the tool movement The data are compared with the corresponding thresholds respectively, and the data analysis module sends the comparison results to the output module through the network; When temperature fluctuation occurs , vibration fluctuation value , Workpiece clamping force , tool wear And the tool movement When any data exceeds the corresponding threshold, the output module sends the abnormal result to the early warning module through the network; The early warning module feeds back the abnormal signal to the staff.

[0006] Preferably, the real-time temperature data set expression is: , the real-time vibration data set expression is , the real-time pressure data set expression is , the real-time cutting force data set expression is: And the real-time pulse number data set expression is , and the number of data in each data set is the same, the collection period is the same, the time interval between each data in the data set is the same, and the subscripts in each data set are Indicates that the data in each data set has indivual.

[0007] Preferably, the real-time temperature after cleaning The algorithm expression is as follows: In the formula, In Indicates that the calculation starts from the first data in the real-time temperature data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The result of calculation is the mean of all the data in the data set after summing up, which is the real-time temperature after cleaning. ; The real-time vibration after cleaning The algorithm expression is as follows: In the formula, In It means that the calculation starts from the first data in the real-time vibration data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The calculated result is the mean of all the data in the data set after summing up, which is the real-time vibration after cleaning. ; The real-time pressure after cleaning The algorithm expression is as follows: In the formula, In Indicates that the calculation starts from the first data in the real-time pressure data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The calculated result is the mean of all the data in the data set after summing up, which is the real-time pressure after cleaning. ; The real-time cutting force after cleaning The algorithm expression is as follows: In the formula, In It means that the calculation starts from the first data in the real-time cutting force data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The calculated result is the mean of all the data in the data set after summing up, which is the real-time cutting force after cleaning. ; The real-time pulse number after cleaning The algorithm expression is as follows: In the formula, In It means starting from the first data in the real-time pulse number data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The result of calculation is the mean of all data in the data set after summing up, which is the real-time pulse number after cleaning. .

[0008] Preferably, the temperature fluctuation value The algorithm expression is as follows: In the formula, Indicates the real-time temperature after cleaning calculated this time The real-time temperature after the previous cleaning, that is, the real-time temperature of the previous temperature data set of the current temperature data set calculated according to the algorithm, It means the absolute value of the difference between the two.

[0009] Preferably, the vibration fluctuation value The algorithm expression is as follows: In the formula, Indicates the real-time vibration after cleaning calculated this time The real-time vibration after the previous cleaning is the real-time vibration calculated by the algorithm based on the previous vibration data set of the current vibration data set. It means the absolute value of the difference between the two.

[0010] Preferably, the workpiece clamping force The algorithm expression is as follows: In the formula, Indicates the workpiece clamping force, Indicates the real-time pressure after cleaning. Represents the fixture contact area.

[0011] Preferably, the tool wear amount The algorithm expression is as follows: In the formula, Indicates tool wear, Indicates the real-time cutting force after cleaning, Indicates the cutting time, Indicates the wear coefficient.

[0012] Preferably, the tool movement amount The algorithm expression is as follows: In the formula, Indicates the tool movement amount, Indicates the real-time pulse number after cleaning. represents the displacement corresponding to each pulse, Indicates the number of pulses per millimeter.

[0013] Preferably, the data analysis module converts the temperature fluctuation value , vibration fluctuation value , Workpiece clamping force , tool wear And the tool movement The data analysis module sends the comparison results to the output module through the network. When the corresponding threshold is exceeded, the temperature is judged to be too high; When the vibration fluctuation value When the corresponding threshold is exceeded, the vibration amplitude is judged to be too large; When the workpiece clamping force When it is lower than the corresponding threshold, it is judged that the clamping force is too small; When tool wear When the corresponding threshold is exceeded, it is determined that the cutting ability of the tool decreases; When the tool moves When the corresponding threshold is exceeded, it is determined that the tool path is deviated; The output module sends the abnormal signal to the early warning module through the network.

[0014] Preferably, the early warning module includes a display terminal and an audio terminal, the display terminal is used to display the units exceeding the corresponding threshold, and the audio terminal is used to play the units exceeding the corresponding threshold, so as to assist the staff to quickly find the abnormal units and take corresponding measures.

[0015] Compared with the prior art, the present invention provides a lathe control system for production and processing, which has the following beneficial effects: The present invention reduces the temperature fluctuation value by , vibration fluctuation value , Workpiece clamping force , tool wear And the tool movement Compare with the corresponding thresholds respectively. When the temperature fluctuation value When the corresponding threshold is exceeded, the temperature is judged to be too high. When the corresponding threshold is exceeded, the vibration amplitude is judged to be too large. When the clamping force is lower than the corresponding threshold, it is judged that the clamping force is too small. When the corresponding threshold is exceeded, the tool cutting ability is judged to be reduced. When the corresponding threshold is exceeded, the tool path is judged to be deviated. When any of the above values ​​is abnormal, the early warning module will simultaneously issue an early warning through the display and audio terminals, thereby assisting the staff to quickly find the abnormal unit and take corresponding measures to avoid affecting the lathe processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the system flow of the present invention. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1 , a lathe control system for production and processing, including a data collection module, a data processing module, a data analysis module, an output module and an early warning module, the data collection module includes a temperature measurement unit, a vibration measurement unit, a pressure measurement unit, a cutting force measurement unit and a pulse measurement unit; The temperature measurement unit is used to collect the real-time temperature of the environment where the lathe is located. The vibration measurement unit is used to collect the real-time vibration generated by the lathe during operation. , the pressure measurement unit is used to collect the real-time pressure of the fixture The cutting force measurement unit is used to collect the real-time cutting force of the tool. The pulse measurement unit is used to collect the real-time pulse number of the position sensor. ,Since the machining accuracy of the lathe control system is often affected by factors such as environmental error, workpiece clamping error and tool error, it is necessary to monitor the temperature, vibration, clamping force, tool cutting force and tool position in real time to avoid abnormalities in these factors, thereby affecting the machining accuracy of the workpiece; The data collection module collects multiple real-time temperatures according to the time period , Real-time vibration , real-time pressure , real-time cutting force And real-time pulse number The real-time temperature data set, real-time vibration data set, real-time pressure data set, real-time cutting force data set and real-time pulse number data set are formed respectively. The expressions of each data set are as follows: The real-time temperature data set expression is ; The real-time vibration data set expression is: ; The expression of real-time pressure data set is: ; The real-time cutting force data set expression is: ; The expression of real-time pulse number data set is: ; In addition, the number of data in each data set is the same, the collection period is the same, the time interval between each data in the data set is the same, and the subscripts in each data set are the same. Indicates that the data in each data set has Among them, the same number of data, the same collection period, and the same time interval between each data in the data set can ensure the consistency of the data, which is conducive to subsequent processing and analysis. At the same time, no additional data alignment processing is required, thereby simplifying data processing; The data collection module sends these data sets to the data processing module through the network; The data processing module pre-processes the real-time temperature data set, real-time vibration data set, real-time pressure data set, real-time cutting force data set and real-time pulse number data set to obtain the real-time temperature after cleaning. , Real-time vibration after cleaning , Real-time pressure after cleaning , Real-time cutting force after cleaning And the real-time pulse number after cleaning , the specific cleaning algorithm is as follows: Real-time temperature after cleaning The algorithm expression is as follows: In the formula, In Indicates that the calculation starts from the first data in the real-time temperature data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The result of calculation is the mean of all the data in the data set after summing up, which is the real-time temperature after cleaning. The data processing module is based on the real-time temperature after cleaning. Calculate temperature fluctuations , temperature fluctuation value The algorithm expression is as follows: In the formula, Indicates the real-time temperature after cleaning calculated this time The real-time temperature after the previous cleaning, that is, the real-time temperature of the previous temperature data set of the current temperature data set calculated according to the algorithm, Indicates the absolute value of the difference between the two; The material will expand due to the increase in temperature, which will lead to dimensional deviation of the workpiece. Especially for high-precision machining, small dimensional changes may cause significant machining errors. Excessive temperature will cause thermal expansion of machine tool parts, affecting machining accuracy and surface quality. Therefore, it is necessary to monitor the temperature in real time to avoid excessive temperature and affect machining accuracy. Real-time vibration after cleaning The algorithm expression is as follows: In the formula, In It means that the calculation starts from the first data in the real-time vibration data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The calculated result is the mean of all the data in the data set after summing up, which is the real-time vibration after cleaning. The data processing module is based on the real-time vibration after cleaning. Calculate vibration fluctuation value , vibration fluctuation value The algorithm expression is as follows: In the formula, Indicates the real-time vibration after cleaning calculated this time The real-time vibration after the previous cleaning is the real-time vibration calculated by the algorithm based on the previous vibration data set of the current vibration data set. Indicates the absolute value of the difference between the two; Vibration may cause the machine tool motion system to deviate, resulting in workpiece dimensional errors. When the mechanical system is not stiff enough to resist vibration, the error will increase. Therefore, it is necessary to monitor the vibration amplitude in real time to avoid excessive vibration amplitude affecting the machining accuracy. Real-time pressure after cleaning The algorithm expression is as follows: In the formula, In Indicates that the calculation starts from the first data in the real-time pressure data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The calculated result is the mean of all the data in the data set after summing up, which is the real-time pressure after cleaning. The data processing module is based on the real-time pressure after cleaning. Calculating the workpiece clamping force , workpiece clamping force The algorithm expression is as follows: In the formula, Indicates the workpiece clamping force, Indicates the real-time pressure after cleaning. represents the fixture contact area; The clamping force refers to the force applied by the fixture to the workpiece, which is used to ensure the stability and accuracy of the workpiece during processing. Too little clamping force may cause the workpiece to move or deform during processing, so it is necessary to ensure that the clamping force is kept within an appropriate range to improve processing quality and safety. Real-time cutting force after cleaning The algorithm expression is as follows: In the formula, In It means that the calculation starts from the first data in the real-time cutting force data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The calculated result is the mean of all the data in the data set after summing up, which is the real-time cutting force after cleaning. The data processing module is based on the real-time cutting force after cleaning. Calculate tool wear , tool wear The algorithm expression is as follows: In the formula, Indicates tool wear, Indicates the real-time cutting force after cleaning, Indicates the cutting time, represents the wear coefficient; Tool wear will cause the geometry of the cutting edge to change, which will cause deviations in the size and shape of the workpiece and increase the surface roughness. The worn tool may not be able to maintain normal cutting quality, resulting in rough or uneven surface of the workpiece. Therefore, it is necessary to monitor the wear of the tool in real time so that the tool can be replaced in time. Real-time pulse number after cleaning The algorithm expression is as follows: In the formula, In It means starting from the first data in the real-time pulse number data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The result of calculation is the mean of all data in the data set after summing up, which is the real-time pulse number after cleaning. The data processing module is based on the real-time pulse number after cleaning. Calculate tool movement , tool movement The algorithm expression is as follows: In the formula, Indicates the tool movement amount, Indicates the real-time pulse number after cleaning. represents the displacement corresponding to each pulse, Indicates the number of pulses per millimeter; If the tool is not aligned with the predetermined processing position of the workpiece, the size, shape and position accuracy of the workpiece may not meet the requirements, causing the processed workpiece to exceed the tolerance range; The data processing module is based on the real-time temperature of two adjacent cleaning Calculate temperature fluctuations The data processing module is based on the real-time vibration of two adjacent cleaning Calculate vibration fluctuation value The data processing module is based on the real-time pressure after cleaning. Calculating the workpiece clamping force The data processing module is based on the real-time cutting force after cleaning. Calculate tool wear The data processing module is based on the real-time pulse number after cleaning. Calculate tool movement ,The data processing module sends these data to the data analysis module through the network; The data analysis module converts the temperature fluctuation value , vibration fluctuation value , Workpiece clamping force , tool wear And the tool movement The data analysis module sends the comparison results to the output module through the network. When the corresponding threshold is exceeded, the temperature is judged to be too high; When the vibration fluctuation value When the corresponding threshold is exceeded, the vibration amplitude is judged to be too large; When the workpiece clamping force When it is lower than the corresponding threshold, it is judged that the clamping force is too small; When tool wear When the corresponding threshold is exceeded, it is determined that the cutting ability of the tool decreases; When the tool moves When the corresponding threshold is exceeded, it is determined that the tool path is deviated; The output module sends the abnormal signal to the early warning module through the network; The early warning module includes a display terminal and an audio terminal. The display terminal is used to display the units that exceed the corresponding threshold, and the audio terminal is used to play the units that exceed the corresponding threshold, so as to assist the staff to quickly find the abnormal units and take corresponding measures.

[0019] This system will change the temperature fluctuation value , vibration fluctuation value , Workpiece clamping force , tool wear And the tool movement Compare with the corresponding thresholds respectively. When the temperature fluctuation value When the corresponding threshold is exceeded, the temperature is judged to be too high. When the corresponding threshold is exceeded, the vibration amplitude is judged to be too large. When the clamping force is lower than the corresponding threshold, it is judged that the clamping force is too small. When the corresponding threshold is exceeded, the tool cutting ability is judged to be reduced. When the corresponding threshold is exceeded, the tool path is judged to be deviated. When any of the above values ​​is abnormal, the early warning module will simultaneously issue an early warning through the display and audio terminals, thereby assisting the staff to quickly find the abnormal unit and take corresponding measures to avoid affecting the lathe processing accuracy.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lathe control system for production and processing, characterized in that: It includes data collection module, data processing module, data analysis module, output module and early warning module; The data collection module collects multiple real-time temperatures collected in a time period , Real-time vibration , real-time pressure , real-time cutting force And real-time pulse number A real-time temperature data set, a real-time vibration data set, a real-time pressure data set, a real-time cutting force data set and a real-time pulse number data set are respectively formed, and the data collection module sends these data sets to the data processing module through the network; The data processing module preprocesses the real-time temperature data set, the real-time vibration data set, the real-time pressure data set, the real-time cutting force data set and the real-time pulse number data set to obtain the real-time temperature after cleaning. , Real-time vibration after cleaning , Real-time pressure after cleaning , Real-time cutting force after cleaning And the real-time pulse number after cleaning ; The data analysis module is preset with a temperature fluctuation value threshold , vibration fluctuation value threshold , Workpiece clamping force threshold , tool wear threshold And the tool movement threshold The data analysis module converts the temperature fluctuation value , vibration fluctuation value , Workpiece clamping force , tool wear And the tool movement The data are compared with the corresponding thresholds respectively, and the data analysis module sends the comparison results to the output module through the network; When temperature fluctuation occurs , vibration fluctuation value , Workpiece clamping force , tool wear And the tool movement When any data exceeds the corresponding threshold, the output module sends the abnormal result to the early warning module through the network.

2. A lathe control system for production and processing according to claim 1, characterized in that: The data collection module includes a temperature measurement unit, a vibration measurement unit, a pressure measurement unit, a cutting force measurement unit and a pulse measurement unit; The temperature measurement unit is used to collect the real-time temperature of the environment where the lathe is located. The vibration measurement unit is used to collect the real-time vibration generated by the lathe during operation. The pressure measuring unit is used to collect the real-time pressure of the fixture. The cutting force measurement unit is used to collect the real-time cutting force of the tool. The pulse measurement unit is used to collect the real-time pulse number of the position sensor. , the real-time temperature data set expression is , the real-time vibration data set expression is , the real-time pressure data set expression is , the real-time cutting force data set expression is: And the real-time pulse number data set expression is , and the number of data in each data set is the same, the collection period is the same, the time interval between each data in the data set is the same, and the subscripts in each data set are Indicates that the data in each data set has indivual.

3. A lathe control system for production and processing according to claim 2, characterized in that: The data processing module is based on the real-time temperature of two adjacent cleaning Calculate temperature fluctuations The data processing module is based on the real-time vibration of two adjacent cleaning Calculate vibration fluctuation value The data processing module is based on the real-time pressure after cleaning. Calculating the workpiece clamping force The data processing module is based on the real-time cutting force after cleaning. Calculate tool wear The data processing module is based on the real-time pulse number after cleaning. Calculate tool movement The data processing module sends these data to the data analysis module through the network, and the real-time temperature after cleaning The algorithm expression is as follows: In the formula, In Indicates that the calculation starts from the first data in the real-time temperature data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The result of calculation is the mean of all the data in the data set after summing up, which is the real-time temperature after cleaning. ; The real-time vibration after cleaning The algorithm expression is as follows: In the formula, In It means that the calculation starts from the first data in the real-time vibration data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The calculated result is the mean of all the data in the data set after summing up, which is the real-time vibration after cleaning. ; The real-time pressure after cleaning The algorithm expression is as follows: In the formula, In Indicates that the calculation starts from the first data in the real-time pressure data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The calculated result is the mean of all the data in the data set after summing up, which is the real-time pressure after cleaning. ; The real-time cutting force after cleaning The algorithm expression is as follows: In the formula, In It means that the calculation starts from the first data in the real-time cutting force data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The calculated result is the mean of all the data in the data set after summing up, which is the real-time cutting force after cleaning. ; The real-time pulse number after cleaning The algorithm expression is as follows: In the formula, In It means starting from the first data in the real-time pulse number data set, that is, Start calculating, Indicates that the calculation is done up to the first data, that is, calculate until So far, in the denominator This means that there are The result of calculation is the mean of all data in the data set after summing up, which is the real-time pulse number after cleaning. .

4. A lathe control system for production and processing according to claim 3, characterized in that: The temperature fluctuation value The algorithm expression is as follows: In the formula, Indicates the real-time temperature after cleaning calculated this time The real-time temperature after the previous cleaning, that is, the real-time temperature of the previous temperature data set of the current temperature data set calculated according to the algorithm, It means the absolute value of the difference between the two.

5. A lathe control system for production and processing according to claim 4, characterized in that: The vibration fluctuation value The algorithm expression is as follows: In the formula, Indicates the real-time vibration after cleaning calculated this time The real-time vibration after the previous cleaning is the real-time vibration calculated by the algorithm based on the previous vibration data set of the current vibration data set. It means the absolute value of the difference between the two.

6. A lathe control system for production and processing according to claim 5, characterized in that: The workpiece clamping force The algorithm expression is as follows: In the formula, Indicates the workpiece clamping force, Indicates the real-time pressure after cleaning. Represents the fixture contact area.

7. A lathe control system for production and processing according to claim 6, characterized in that: The tool wear The algorithm expression is as follows: In the formula, Indicates tool wear, Indicates the real-time cutting force after cleaning, Indicates the cutting time, Indicates the wear coefficient.

8. A lathe control system for production and processing according to claim 7, characterized in that: The tool movement amount The algorithm expression is as follows: In the formula, Indicates the tool movement amount, Indicates the real-time pulse number after cleaning. represents the displacement corresponding to each pulse, Indicates the number of pulses per millimeter.

9. A lathe control system for production and processing according to claim 8, characterized in that: The data analysis module converts the temperature fluctuation value , vibration fluctuation value , Workpiece clamping force , tool wear And the tool movement The data analysis module sends the comparison results to the output module through the network. When the corresponding threshold is exceeded, the temperature is judged to be too high; When the vibration fluctuation value When the corresponding threshold is exceeded, the vibration amplitude is judged to be too large; When the workpiece clamping force When it is lower than the corresponding threshold, it is judged that the clamping force is too small; When tool wear When the corresponding threshold is exceeded, it is determined that the cutting ability of the tool decreases; When the tool moves When the corresponding threshold is exceeded, it is determined that the tool path is deviated; The output module sends the abnormal signal to the early warning module through the network.

10. A lathe control system for production and processing according to claim 9, characterized in that: The early warning module includes a display end and an audio end. The display end is used to display the units exceeding the corresponding threshold value, and the audio end is used to play the units exceeding the corresponding threshold value, so as to assist the staff to quickly find the abnormal units and take corresponding measures.

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