CN114326581A - Tip grinding process method based on numerical control machine tool - Google Patents
Tip grinding process method based on numerical control machine tool Download PDFInfo
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Abstract
The invention discloses a blade tip grinding process method based on a numerical control machine tool, which comprises the steps of inserting a circulation instruction into a program editor in the numerical control system, wherein the circulation instruction comprises a rotor definition and a grinding wheel definition; editing the integral characteristic parameters of the rotor and the integral characteristic parameters of the grinding wheel by using a guide interface of a numerical control system to form a parameter amplitude; the numerical control system decodes the circulation instruction, and the parameter amplitude in the circulation instruction is endowed with a corresponding system variable to form an NC circulation program; the numerical control system calls the NC circulation program according to the circulation instruction, and the rotor is machined according to the required technological process; and after the rotor machining is finished, the tool is retracted to a safe position. According to the invention, by inserting the circulation instruction, the NC circulation program which is adaptive to the processing technology of various rotors can be used in a matched manner, so that the numerical control system can automatically complete the operation by changing the integral characteristic parameters of the corresponding rotors when the corresponding rotors are replaced, the steps of modifying customized software programs and the like are omitted, and the operation is more convenient.
Description
Technical Field
The invention relates to the field of numerical control machine tools, in particular to a blade tip grinding process method based on a numerical control machine tool.
Background
Because the blade tip grinding process has strong regularity, the blade tip grinding process is similar to some operation instructions such as drilling, reaming and boring, but the difference of a rotor for machining is very large, some machine tool manufacturers can develop corresponding customized software according to the blade tip grinding process according to needs, so that a blade tip grinding center is more convenient, safer and more reliable in the programming and machining processes, but the customized software mode is high in development and maintenance cost, long in development and testing period, relatively independent in software, slightly weak in tightness with a numerical control system, the program of the customized software needs to be adjusted when the rotor is replaced, and meanwhile, the problem of functional compatibility exists in the matched use process.
Disclosure of Invention
The invention provides a blade tip grinding process method based on a numerical control machine tool, which aims to solve the technical problems that corresponding programs of software need to be adjusted when a rotor is replaced and the like.
In order to achieve the purpose, the technical scheme of the invention is as follows:
step 1, inserting a circulation instruction into a program editor in a numerical control system, wherein the circulation instruction comprises a rotor definition and a grinding wheel definition;
step 2, editing the integral characteristic parameters of the rotor and the integral characteristic parameters of the grinding wheel by using a guide interface of the numerical control system to form a parameter amplitude;
step 3, the numerical control system decodes the circulation command, and the parameter amplitude in the circulation command is endowed with a corresponding system variable to form an NC circulation program;
step 4, the numerical control system calls the NC cycle program according to the cycle instruction, and the rotor is processed according to the required technological process;
and 5, after the rotor machining is finished, retracting the tool to a safe position.
Further, the process in the step 4 comprises single-stage impeller measurement;
the single-stage impeller measurement is to measure the overall characteristics of the impeller of the rotor;
and when the required process is single-stage impeller measurement, activating the single-stage impeller measurement process.
Further, the process in the step 4 further comprises single-stage impeller machining;
when the required process is single-stage impeller measurement, activating the single-stage impeller measurement process, and locking the single-stage impeller machining process;
or when the required process is single-stage impeller processing, activating the single-stage impeller processing process and locking the single-stage impeller measuring process;
or when the required process is single-stage impeller machining and single-stage impeller measurement, activating the single-stage impeller measurement and single-stage impeller machining process.
Further, the process in the step 4 further comprises single-stage impeller burr removal;
when the required process is single-stage impeller measurement, activating a single-stage impeller measurement process, and locking a single-stage impeller machining process and a single-stage impeller burr removal process;
or when the required process is single-stage impeller machining, activating the single-stage impeller machining process, and locking the single-stage impeller measurement process and the single-stage impeller burr removal process;
or when the needed process is single-stage impeller burr removal, activating the single-stage impeller burr removal process, and locking the single-stage impeller measurement process and the single-stage impeller machining process;
or when the required process is single-stage impeller machining and single-stage impeller measurement, the activation process is the single-stage impeller machining and single-stage impeller measurement process, and the single-stage impeller burr removal process is locked;
or when the required process is single-stage impeller machining and single-stage impeller burr removal, activating the single-stage impeller machining and single-stage impeller burr removal process, and locking the single-stage impeller measurement process;
or when the required process is single-stage impeller measurement and single-stage impeller burr removal, the activation process is a single-stage impeller measurement and single-stage impeller burr removal process, and the single-stage impeller machining process is locked;
or when the required processes are single-stage impeller measurement, single-stage impeller burr removal and single-stage impeller machining, the activation process is the single-stage impeller measurement, single-stage impeller burr removal and single-stage impeller machining process.
Further, the method also comprises the following steps: and (3) initializing the machine tool after the rotor is defined, checking the state of the machine tool, if the state of the machine tool is good, executing the step (3), and if the state of the machine tool is not good, stopping the operation of the numerical control system and sending an alarm signal.
Further, the method also comprises the following steps: and (4) detecting whether the grinding wheel exists after the grinding wheel is defined, if so, executing the step (3), and if not, stopping running and sending an alarm signal by the numerical control system.
Further, the single-stage impeller measurement process comprises the following steps:
step 5.1.1, returning a measuring shaft of the numerical control system to a zero point;
step 5.1.2, enabling the measuring shaft to move to the starting point position according to the preset distance starting point length;
step 5.1.3, checking whether the maximum displacement distance of the measuring shaft is safe, if so, executing the next step, and if not, revising the maximum displacement distance again;
step 5.1.4, enabling the measuring shaft to feed forward, and measuring the radius of the blade tip in real time;
step 5.1.5, writing the measurement result into the numerical control system;
and 5.1.6, detecting whether the measurement is finished or not, finishing the measurement if the measurement is finished, and returning to the step 5.1.4 if the measurement is not finished.
Further, the single-stage impeller machining process comprises the following steps:
step 5.2.1, transmitting the impeller number and the blade number amplitude to a control system variable;
step 5.2.2, returning the measuring shaft and the grinding wheel feeding shaft to a zero point;
step 5.2.3, enabling the measuring shaft and the grinding wheel feeding shaft to move to the starting point position according to the preset distance starting point length;
step 5.2.4, enabling the main shaft of the numerical control system to start rotating according to the rotating direction of the main shaft and the rotating speed of the rotor;
step 5.2.5, enabling the grinding wheel to start to rotate according to the rotating speed of the grinding wheel;
step 5.2.6, the measuring shaft and the grinding wheel feeding shaft are simultaneously fed forwards;
5.2.7, detecting whether the feed amount is safe, if so, executing the next step, and if not, stopping the operation of the numerical control system and sending an alarm signal;
step 5.2.8, enabling the numerical control system to start feeding and detect the length of the blade in real time;
5.2.9, the numerical control system detects whether each blade reaches the preset target value, if so, the step 5.2.7 is executed.
Further, the single-stage impeller burr removing process comprises the following steps:
5.3.1, returning a brush feeding shaft of the numerical control system to the original point;
step 5.3.2, moving the brush feeding shaft to the starting point position according to the preset distance starting point length;
step 5.3.3, enabling the main shaft of the numerical control system to start rotating according to the rotating speed of the rotor;
step 5.3.4, enabling the brush main shaft to start rotating according to the rotating direction of the brush main shaft and the speed of the brush rotor;
5.3.5, starting feeding the brush feeding shaft;
5.3.6, detecting whether the brush feed shaft contacts the rotor by the numerical control system, if so, executing the next step, and if not, returning to the step 5.3.5;
and 5.3.7, stopping feeding the brush feeding shaft, returning to the original point after the brush feeding shaft is detained, and finishing the deburring process.
Has the advantages that: according to the invention, by inserting the circulation instruction, the NC circulation program which is adaptive to the processing technology of various rotors can be used in a matched manner, so that the numerical control system can automatically complete the operation by changing the integral characteristic parameters of the corresponding rotors when the corresponding rotors are replaced, the steps of modifying customized software programs and the like are omitted, and the operation is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a blade tip grinding process of a numerically controlled machine tool according to the present invention;
FIG. 2 is a flow chart of a rotor definition process of the present invention;
FIG. 3 is a flow chart of a wheel definition process of the present invention;
FIG. 4 is a flow chart of a single stage impeller measurement process of the present invention;
FIG. 5 is a flow chart of a single stage impeller machining process of the present invention;
fig. 6 is a flow chart of the single-stage impeller deburring process of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a tip grinding process method based on a numerical control machine tool, as shown in fig. 1-6, comprising the following steps:
step 1, inserting a circulation instruction into a program editor in a numerical control system, wherein the circulation instruction comprises a rotor definition and a grinding wheel definition; wherein the rotor is defined as the characteristic parameter of the whole given rotor, and the grinding wheel is defined as the characteristic parameter of the given at least one grinding wheel;
step 2, editing the integral characteristic parameters of the rotor and the integral characteristic parameters of the grinding wheel by using a guide interface of the numerical control system to form a parameter amplitude;
step 3, the numerical control system decodes the circulation command, and the parameter amplitude in the circulation command is endowed with a corresponding system variable to form an NC circulation program;
step 4, the numerical control system calls the NC cycle program according to the cycle instruction, and the rotor is processed according to the required technological process;
and 5, after the rotor machining is finished, retracting the tool to a safe position.
According to the invention, by inserting the circulation instruction, the NC circulation program which is adaptive to the processing technology of various rotors can be used in a matched manner, so that the numerical control system can automatically complete the operation by changing the integral characteristic parameters of the corresponding rotors when the corresponding rotors are replaced, the steps of modifying customized software programs and the like are omitted, and the operation is more convenient.
The technical process comprises single-stage impeller measurement, single-stage impeller machining and single-stage impeller burr removal, one or two or three of the single-stage impeller measurement, the single-stage impeller machining and the single-stage impeller burr removal can be selected in the specific machining process, when the corresponding technical process is selected, the selected technical process is activated, and the unselected technical process is locked. When all three processes are selected, there are a maximum of 7 process modes, and specific examples are given below.
In a specific embodiment, the process in step 4 comprises single stage impeller measurements;
the single-stage impeller measurement is to measure the overall characteristics of the impeller of the rotor;
and when the required process is single-stage impeller measurement, activating the single-stage impeller measurement process.
In a specific embodiment, the process in step 4 further comprises single-stage impeller machining;
when the required process is single-stage impeller measurement, activating the single-stage impeller measurement process, and locking the single-stage impeller machining process;
or when the required process is single-stage impeller processing, activating the single-stage impeller processing process and locking the single-stage impeller measuring process;
or when the required process is single-stage impeller machining and single-stage impeller measurement, activating the single-stage impeller measurement and single-stage impeller machining process.
In a specific embodiment, the process in step 4 further comprises single-stage impeller burr removal;
when the required process is single-stage impeller measurement, activating a single-stage impeller measurement process, and locking a single-stage impeller machining process and a single-stage impeller burr removal process;
or when the required process is single-stage impeller machining, activating the single-stage impeller machining process, and locking the single-stage impeller measurement process and the single-stage impeller burr removal process;
or when the needed process is single-stage impeller burr removal, activating the single-stage impeller burr removal process, and locking the single-stage impeller measurement process and the single-stage impeller machining process;
or when the required process is single-stage impeller machining and single-stage impeller measurement, the activation process is the single-stage impeller machining and single-stage impeller measurement process, and the single-stage impeller burr removal process is locked;
or when the required process is single-stage impeller machining and single-stage impeller burr removal, activating the single-stage impeller machining and single-stage impeller burr removal process, and locking the single-stage impeller measurement process;
or when the required process is single-stage impeller measurement and single-stage impeller burr removal, the activation process is a single-stage impeller measurement and single-stage impeller burr removal process, and the single-stage impeller machining process is locked;
or when the required processes are single-stage impeller measurement, single-stage impeller burr removal and single-stage impeller machining, the activation process is the single-stage impeller measurement, single-stage impeller burr removal and single-stage impeller machining process.
In a specific embodiment, the method further comprises: and (3) initializing the machine tool after the rotor is defined, checking the state of the machine tool, if the state of the machine tool is good, executing the step (3), and if the state of the machine tool is not good, stopping the operation of the numerical control system and sending an alarm signal.
In a specific embodiment, the method further comprises: and (4) detecting whether the grinding wheel exists after the grinding wheel is defined, if so, executing the step (3), and if not, stopping running and sending an alarm signal by the numerical control system.
In a specific embodiment, the single-stage impeller measurement process comprises the following steps:
step 5.1.1, returning a measuring shaft of the numerical control system to a zero point;
step 5.1.2, enabling the measuring shaft to move to the starting point position according to the preset distance starting point length;
step 5.1.3, checking whether the maximum displacement distance of the measuring shaft is safe, if so, executing the next step, and if not, revising the maximum displacement distance again;
step 5.1.4, enabling the measuring shaft to feed forward, and measuring the radius of the blade tip in real time;
step 5.1.5, writing the measurement result into the numerical control system;
and 5.1.6, detecting whether the measurement is finished or not, finishing the measurement if the measurement is finished, and returning to the step 5.1.4 if the measurement is not finished.
In a specific embodiment, the single-stage impeller machining process comprises the following steps:
step 5.2.1, transmitting the impeller number and the blade number amplitude to a control system variable;
step 5.2.2, returning the measuring shaft and the grinding wheel feeding shaft to a zero point;
step 5.2.3, enabling the measuring shaft and the grinding wheel feeding shaft to move to the starting point position according to the preset distance starting point length;
step 5.2.4, enabling the main shaft of the numerical control system to start rotating according to the rotating direction of the main shaft and the rotating speed of the rotor;
step 5.2.5, enabling the grinding wheel to start to rotate according to the rotating speed of the grinding wheel;
step 5.2.6, the measuring shaft and the grinding wheel feeding shaft are simultaneously fed forwards;
5.2.7, detecting whether the feed amount is safe, if so, executing the next step, and if not, stopping the operation of the numerical control system and sending an alarm signal;
step 5.2.8, enabling the numerical control system to start feeding and detect the length of the blade in real time;
5.2.9, the numerical control system detects whether each blade reaches the preset target value, if so, the step 5.2.7 is executed.
In a specific embodiment, the single-stage impeller burr removing process comprises the following steps:
5.3.1, returning a brush feeding shaft of the numerical control system to the original point;
step 5.3.2, moving the brush feeding shaft to the starting point position according to the preset distance starting point length;
step 5.3.3, enabling the main shaft of the numerical control system to start rotating according to the rotating speed of the rotor;
step 5.3.4, enabling the brush main shaft to start rotating according to the rotating direction of the brush main shaft and the speed of the brush rotor;
5.3.5, starting feeding the brush feeding shaft;
5.3.6, detecting whether the brush feed shaft contacts the rotor by the numerical control system, if so, executing the next step, and if not, returning to the step 5.3.5;
and 5.3.7, stopping feeding the brush feeding shaft, returning to the original point after the brush feeding shaft is detained, and finishing the deburring process.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A blade tip grinding process method based on a numerical control machine tool is characterized by comprising the following steps:
step 1, inserting a circulation instruction into a program editor in a numerical control system, wherein the circulation instruction comprises a rotor definition and a grinding wheel definition;
step 2, editing the integral characteristic parameters of the rotor and the integral characteristic parameters of the grinding wheel by using a guide interface of the numerical control system to form a parameter amplitude;
step 3, the numerical control system decodes the circulation command, and the parameter amplitude in the circulation command is endowed with a corresponding system variable to form an NC circulation program;
step 4, the numerical control system calls the NC cycle program according to the cycle instruction, and the rotor is processed according to the required technological process;
and 5, after the rotor machining is finished, retracting the tool to a safe position.
2. The tip grinding process method based on the numerical control machine tool according to claim 1, characterized in that: the process in step 4 comprises single-stage impeller measurement;
the single-stage impeller measurement is to measure the overall characteristics of the impeller of the rotor;
and when the required process is single-stage impeller measurement, activating the single-stage impeller measurement process.
3. The tip grinding process method based on the numerical control machine tool according to claim 2, characterized in that: the process in the step 4 also comprises single-stage impeller machining;
when the required process is single-stage impeller measurement, activating the single-stage impeller measurement process, and locking the single-stage impeller machining process;
or when the required process is single-stage impeller processing, activating the single-stage impeller processing process and locking the single-stage impeller measuring process;
or when the required process is single-stage impeller machining and single-stage impeller measurement, activating the single-stage impeller measurement and single-stage impeller machining process.
4. The tip grinding process method based on the numerical control machine tool according to claim 3, characterized in that: the process in the step 4 further comprises the step of removing burrs of the single-stage impeller;
when the required process is single-stage impeller measurement, activating a single-stage impeller measurement process, and locking a single-stage impeller machining process and a single-stage impeller burr removal process;
or when the required process is single-stage impeller machining, activating the single-stage impeller machining process, and locking the single-stage impeller measurement process and the single-stage impeller burr removal process;
or when the needed process is single-stage impeller burr removal, activating the single-stage impeller burr removal process, and locking the single-stage impeller measurement process and the single-stage impeller machining process;
or when the required process is single-stage impeller machining and single-stage impeller measurement, the activation process is the single-stage impeller machining and single-stage impeller measurement process, and the single-stage impeller burr removal process is locked;
or when the required process is single-stage impeller machining and single-stage impeller burr removal, activating the single-stage impeller machining and single-stage impeller burr removal process, and locking the single-stage impeller measurement process;
or when the required process is single-stage impeller measurement and single-stage impeller burr removal, the activation process is a single-stage impeller measurement and single-stage impeller burr removal process, and the single-stage impeller machining process is locked;
or when the required processes are single-stage impeller measurement, single-stage impeller burr removal and single-stage impeller machining, the activation process is the single-stage impeller measurement, single-stage impeller burr removal and single-stage impeller machining process.
5. The tip grinding process method based on the numerical control machine tool according to claim 4, further comprising: and (3) initializing the machine tool after the rotor is defined, checking the state of the machine tool, if the state of the machine tool is good, executing the step (3), and if the state of the machine tool is not good, stopping the operation of the numerical control system and sending an alarm signal.
6. The tip grinding process method based on the numerical control machine tool according to claim 5, further comprising: and (4) detecting whether the grinding wheel exists after the grinding wheel is defined, if so, executing the step (3), and if not, stopping running and sending an alarm signal by the numerical control system.
7. The tip grinding process method based on the numerical control machine tool according to claim 6, wherein the single-stage impeller measurement process is as follows:
step 5.1.1, returning a measuring shaft of the numerical control system to a zero point;
step 5.1.2, enabling the measuring shaft to move to the starting point position according to the preset distance starting point length;
step 5.1.3, checking whether the maximum displacement distance of the measuring shaft is safe, if so, executing the next step, and if not, revising the maximum displacement distance again;
step 5.1.4, enabling the measuring shaft to feed forward, and measuring the radius of the blade tip in real time;
step 5.1.5, writing the measurement result into the numerical control system;
and 5.1.6, detecting whether the measurement is finished or not, finishing the measurement if the measurement is finished, and returning to the step 5.1.4 if the measurement is not finished.
8. The tip grinding process method based on the numerical control machine tool according to claim 7, wherein the single-stage impeller machining process comprises the following steps:
step 5.2.1, transmitting the impeller number and the blade number amplitude to a control system variable;
step 5.2.2, returning the measuring shaft and the grinding wheel feeding shaft to a zero point;
step 5.2.3, enabling the measuring shaft and the grinding wheel feeding shaft to move to the starting point position according to the preset distance starting point length;
step 5.2.4, enabling the main shaft of the numerical control system to start rotating according to the rotating direction of the main shaft and the rotating speed of the rotor;
step 5.2.5, enabling the grinding wheel to start to rotate according to the rotating speed of the grinding wheel;
step 5.2.6, the measuring shaft and the grinding wheel feeding shaft are simultaneously fed forwards;
5.2.7, detecting whether the feed amount is safe, if so, executing the next step, and if not, stopping the operation of the numerical control system and sending an alarm signal;
step 5.2.8, enabling the numerical control system to start feeding and detect the length of the blade in real time;
5.2.9, the numerical control system detects whether each blade reaches the preset target value, if so, the step 5.2.7 is executed.
9. The tip grinding process method based on the numerical control machine tool according to claim 8, wherein the single-stage impeller burr removing process comprises the following steps:
5.3.1, returning a brush feeding shaft of the numerical control system to the original point;
step 5.3.2, moving the brush feeding shaft to the starting point position according to the preset distance starting point length;
step 5.3.3, enabling the main shaft of the numerical control system to start rotating according to the rotating speed of the rotor;
step 5.3.4, enabling the brush main shaft to start rotating according to the rotating direction of the brush main shaft and the speed of the brush rotor;
5.3.5, starting feeding the brush feeding shaft;
5.3.6, detecting whether the brush feed shaft contacts the rotor by the numerical control system, if so, executing the next step, and if not, returning to the step 5.3.5;
and 5.3.7, stopping feeding the brush feeding shaft, returning to the original point after the brush feeding shaft is detained, and finishing the deburring process.
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