CN103268083A - On-demand energy-saving run control method and system for numerically-controlled machine tool chip removal system - Google Patents
On-demand energy-saving run control method and system for numerically-controlled machine tool chip removal system Download PDFInfo
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Abstract
The invention provides an on-demand energy-saving run control method and system for a numerically-controlled machine tool chip removal system. A CNC system is utilized to control the numerically-controlled machine tool chip removal system, and due to the fact that workpiece parameters, technology parameters and chip removal system parameters are input before machining, chip generating average speed is acquired after initialization setting and analyzing. The chip generating speed and the relevant parameters are read, an on-demand run control algorithm is imported to calculate and acquire on-demand run time nodes of the chip removal system in one procedure, according to the run time nodes of the chip removal system, an opening signal/an closing signal is sequentially transmitted after the machining is started, in the machining time of one procedure, the chip removal system is controlled to run as required, and therefore the purpose of saving energy is achieved. The on-demand energy-saving run control method and system for the numerically-controlled machine tool chip removal system solves the problem that energy waste is caused by long-time continual running of the numerically-controlled machine tool chip removal system in a machining process.
Description
Technical Field
The invention relates to the fields of energy consumption in the machine manufacturing industry, numerical control machines and the like, in particular to a control method and a control system for the on-demand energy-saving operation of a chip removal system of a numerical control machine.
Background
Global climate warming and carbon emissions regulationsImplementation on a global scale is an important factor forcing the manufacturing industry to save energy. The electric energy is used as a necessary resource in the production process of a mechanical workshop, and the consumption is reduced not only for reducing the production running cost, but also for reducing CO2And (4) discharging. The energy consumption of a large and wide mechanical workshop is huge, so that the energy consumption problem is increasingly paid attention to and is regarded as one of important problems which must be solved for realizing sustainable development in the field of mechanical manufacturing, and energy conservation and consumption reduction of machine tools and machine tool components are necessary research approaches for reducing the energy consumption of the whole workshop.
At present, the domestic research on energy conservation of machine tools and machine tool components is partially explored. For example, the invention name disclosed in ZL201210235799.3 is "an energy-saving oil temperature control system for machine tool", which provides an energy-saving oil temperature control system for machine tool, and is used for effectively controlling the oil temperature of the machine tool so as to improve the service performance of hydraulic oil, and recycling the heat exchanged in the oil, thereby reducing the energy consumption of the machine tool. The invention discloses an invention name 'an energy-saving machine tool' disclosed by ZL201110378244.X, and provides a machine tool which is provided with a micro generator which is connected with a main shaft through gear transmission, and partial energy of the main shaft movement can be conducted to a storage battery through the micro generator, so that partial redundant energy consumption of the main shaft is stored and used by auxiliary components such as machine tool illumination and the like, and the purpose of saving energy of the machine tool is achieved. ZL200810070302.0 discloses an invention title "an energy-conserving implementation method of shutting down when no-load operation between adjacent working steps of the NC machine tool", it provides an implementation method of shutting down energy-conserving when no-load operation between adjacent working steps of the NC machine tool, obtain the main shaft operating speed and adjacent working step no-load operation time confirmed when the NC machine tool is programmed according to the processing technology before processing, and calculate control time and energy-conserving percentage of restarting after implementing shutting down energy-conserving between adjacent working steps through the method of test data table and curve fitting. When the energy-saving percentage is positive, the inter-process shutdown instruction and the subsequent restart instruction are embedded into the numerical control program according to the control time, so that the effect of saving the energy of the machine tool is achieved. ZL200910061412.5 discloses an invention name "a does not have main shaft mechanical transmission energy-saving machine tool", provides one kind and assembles the electric motor rotor in the end behind the lathe main shaft, uses the torque and the rotational speed of frequency conversion pressure regulating technology control chuck to save electricity.
In summary, the existing research on machine tool energy saving mainly aims at the improvement problems of energy saving of the whole machine tool running as required, machine tool spindle energy saving and machine tool hydraulic oil energy waste, and no mature energy saving and consumption reduction measures exist for numerous auxiliary components of the machine tool, such as a cooling system, a chip removal/flushing system, an illumination system, an air pressure system, an oil stain separation system, an electric cabinet fan and the like. At present, most of machine tool matching chip removal systems of machining factories are in a state of being opened for a long time in a working process of a shift, thereby causing unnecessary energy waste, and certain measures are lacked for controlling the chip removal systems of the machine tools to operate according to requirements, while the prior patents do not relate to the control of the chip removal systems of the machine tools to operate according to requirements and save energy.
Disclosure of Invention
Aiming at the defect that the prior art is lack of control on the chip removal system of the machine tool to operate as required to cause energy waste, the invention solves the problem of energy waste caused by long-time continuous operation in the chip removal system processing process of the numerical control machine tool, and provides the control method for realizing the energy-saving operation of the chip removal system of the numerical control machine tool as required.
The invention also provides a control system for realizing the method for the chip removal system of the numerical control machine tool to operate in an energy-saving manner according to requirements.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a digit control machine tool chip removal system energy-conserving operation control method as required, utilizes the CNC system to control the chip removal system of digit control machine tool, includes the following step in proper order:
1. determining the parameter types and initializing: initializing and setting processing technological parameters and chip removal system parameters according to a specific product and process to be processed;
2. calculating the operation time node of the chip removal system according to the requirement: calculating an optimized operation time node of the chip removal system according to the process parameters;
3. the chip removal system can operate in an energy-saving mode according to requirements: and controlling the chip removal system of the machine tool to be opened and closed according to the optimized operation time node of the chip removal system, thereby achieving the purpose of energy conservation and optimization.
Furthermore, the invention also provides a control system for realizing the on-demand energy-saving operation of the chip removal system of the numerical control machine tool, which is characterized in that a parameter input module, a control algorithm module and a control implementation module are embedded into the CNC system of the numerical control machine tool; wherein,
1) the parameter input module is used for initializing and setting the processing technological parameters of the workpiece and the parameters of the chip removal system and carrying out basic analysis; the input parameters comprise chip removal system parameters and process parameters, wherein the chip removal system parameters comprise chip removal speed vp(kg/s) safe flute accommodation value M0(kg) and the residual quantity m' (kg) of chips remaining in the chip discharge groove; the technological parameters include working hours ti(s), process man-hour T, and work material density ρ (kg/mm)3) N, and design parameters of the workpiece, and analyzing the process parameters according to the process steps to obtain the average rate v of chips generated in each process stepci(kg/s)；
2) The control algorithm module is used for reading the parameters after the basic analysis and importing the parameters into an energy-saving operation control algorithm according to needs, and the control algorithm module is activated after the control algorithm calculates the obtained result;
3) time node sequence t of control implementation module running on demand by reading chip removal systemmjAnd tcljAnd after the machining is started, a DDE link with the CNC system is established, the DDE service in the CNC system is used for rewriting corresponding variables controlled by the chip removal system in the PLC data block, and the PLC program is used for controlling the chip removal system of the machine tool to be opened or closed.
Compared with the prior art, the invention has the following beneficial effects:
1. the method has the idea that the average rate of chip generation is obtained after initialization setting and analysis by inputting a workpiece, process parameters and chip removal system parameters before processing; the chip generation rate and related parameters are read and led into an on-demand operation control algorithm to be calculated to obtain time nodes of the chip removal system which operates as required in one process, chip removal system opening/closing signals are sequentially sent according to the chip removal system operation time nodes after the machining is started, the chip removal system is controlled to operate as required within the machining time of one process, and the purpose of saving energy is achieved.
2. The method of the invention can carry out energy-saving control on the chip removal system according to the requirement without influencing the production and the processing of the machine tool by matching the processing process and the chip removal system operation process, thereby reducing unnecessary energy consumption and achieving the purpose of reducing the energy consumption of the machine tool.
3. The system realizes the control of the chip removal system of the numerical control machine tool according to the requirement of the machining process and the energy-saving operation according to the requirement. Firstly, initializing and setting basic parameters of two parts, namely a chip removal system parameter and a machining process parameter, by a parameter input module, and analyzing the parameters; then the control algorithm module reads the parameter analysis result and guides the parameter analysis result into an energy-saving operation control algorithm for calculation, and an operation time node of the chip removal system optimization control scheme is generated; and finally, the control implementation module sequentially sends an opening/closing control signal to the chip removal system according to the running time node generated by the control algorithm module, and the chip removal system is controlled to run according to the requirement of the machining process, so that the aim of energy conservation and optimization is fulfilled. The system can automatically output control signals to carry out energy-saving control on the chip removal system in the machining process, does not need labor cost, only needs to input basic parameters before a section of machining process is started, and is simple and clear in implementation process.
4. The system for realizing the method of the invention embeds the energy-saving operation control program into a CNC system of the machine tool through an embedded software method, the system has a software function, and through a modularized operation technical scheme, the PLC replaces the traditional logic control device of the electric appliance of the machine tool, so that the system is smaller, has better flexibility, universality and reliability, is easy to realize a complex numerical control function, has the functions of connecting with an upper computer and carrying out remote communication, and has low realization cost without the support of complex precise instruments such as a sensor and the like.
5. The idea of the method and the system for realizing the method are technically improved, and the method can also be applied to energy-saving control of other energy-consuming components of the machine tool, has good expansibility, and provides effective tool support for realizing energy-saving control of the machine tool and refined energy-saving and consumption-reducing control of a mechanical workshop.
Drawings
FIG. 1 is a flow (composition) block diagram of an on-demand energy-saving operation control method (system) of a chip removal system of a numerical control machine tool according to the invention;
FIG. 2 is a functional flow diagram of a parameter input module of FIG. 1;
FIG. 3 is a flow chart of the average rate of cuttings produced in the on-demand energy-saving operation control method of the present invention;
FIG. 4 is a flow chart of an algorithm in the on-demand energy-saving operation control method of the present invention;
FIG. 5 is a schematic diagram of a control implementation process in the on-demand energy-saving operation control method of the present invention;
FIG. 6 is a schematic illustration of a ring gear machined according to an embodiment.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.
A control method for the on-demand energy-saving operation of a chip removal system of a numerical control machine tool utilizes a Computer Numerical Control (CNC) system of the machine tool to control the chip removal system of the numerical control machine tool, and sequentially comprises the following steps:
determining the parameter types and initializing: initializing and setting processing technological parameters and chip removal system parameters according to a specific product and process to be processed;
calculating the operation time node of the chip removal system according to the requirement: calculating an optimized operation time node of the chip removal system according to the process parameters;
the chip removal system can operate in an energy-saving mode according to requirements: and controlling the chip removal system of the machine tool to be opened and closed according to the optimized operation time node of the chip removal system, thereby achieving the purpose of energy conservation and optimization.
Firstly, taking a JWPXJ01 type chain plate type chip removal system matched with a YS3120CNC6 numerical control hobbing machine as an example, the control process is completed in the gear hobbing machining procedure on the YS3120CNC6 numerical control hobbing machine.
Firstly, determining the parameter types and initializing: initializing and setting a workpiece such as gear ring hobbing shown in fig. 6, wherein the machining process parameters and the chip removal system parameters are shown in tables 1 and 2, and performing basic analysis, wherein the analysis result is used for calculating an energy-saving operation control algorithm as required;
table 1 gear ring hobbing process cards are as follows:
table 2 the chip removal system models and parameters used in this case are as follows:
according to table 1 and table 2, parameters which need to be input are determined, and initialization setting is performed on the parameters, wherein the input parameter values are as follows:
the following information can be obtained from the gear machining process card: working hours t1=2460s, the number of steps n =1, the process time T =2460s, and the average rate v of chips generated by the hobbing step is calculated according to the process parameter analysis formula in the concrete implementation step and the gear design parametersc1=0.000566kg/s。
The following information can be obtained according to the chip removal system parameter table: chip removal speed vp=0.0097kg/s, flute safety accommodation value M0=0.8kg。
And automatically reading the residual chip quantity m' =0kg from the memory of the numerical control system.
And after the initialization of the basic parameters is finished, entering the second step.
And step two, calculating the operation time node of the chip removal system as required: calculating the operation time node of the optimized control scheme of the chip removal system;
and (3) importing the initialized parameters in the first step into a control algorithm to obtain two control time points, starting the chip removal system when the machining time reaches 1414 seconds, closing the chip removal system when the machining time reaches 1499 seconds, finally calculating the theoretical value of the residual chip quantity to be 0.544kg, and storing the theoretical value into a memory of a CNC (computer numerical control) system for the next machining.
And entering a third step after the control algorithm calculates the obtained result.
And thirdly, implementing the chip removal system according to the requirement and energy-saving operation: and controlling the chip removal system to operate according to the calculated energy-saving operation time node to achieve the purpose of saving energy, and recording the total starting time and the starting time percentage of the chip removal system.
Second, the embodiment performs result analysis and energy saving situation comparison:
the control result is obtained as follows: the total starting time of the chip removal system is 84.8 seconds, and the starting time accounts for 3.4 percent of the total processing time, so that the total starting time of the chip removal system can be obviously reduced by the on-demand energy-saving operation control method provided by the invention, the electric energy consumption of about 0.26 kw.h is totally saved in the process, and the energy consumption of the machine tool can be obviously reduced if the on-demand energy-saving operation control method is carried out for a long time to control the chip removal system of the machine tool.
Thirdly, the numerical control machine tool chip removal system energy-saving operation control system for realizing the method is characterized in that a parameter input module, a control algorithm module and a control implementation module are embedded into a CNC system of the numerical control machine tool; wherein,
1. a parameter input module: the chip removal system is used for initializing and setting the processing technological parameters of the workpiece and the parameters of the chip removal system and performing basic analysis;
1.1 initialization of basic parameters
The parameter input module first determines the parameters to be input, and performs initialization setting on the parameters, and the functional flow is shown in fig. 2. The input parameters comprise chip removal system parameters and process parameters, wherein the chip removal system parameters comprise chip removal speed vp(kg/s) safe flute accommodation value M0(kg) and the residual quantity m' (kg) of chips remaining in the chip discharge groove; the technological parameters include working hours ti(s), process man-hours T(s), and work material density ρ (kg/mm)3) The number of process steps n, and the design parameters of the workpiece.
1.2 basic resolution of Process parameters
Analyzing the technological parameters according to the working steps to obtain the average speed v of the chips generated in each working stepci(unit: kg/s), the specific embodiment is described by taking the gear hobbing step as an example, and the functional flow is shown in FIG. 3. Because the hobbing procedure of the common numerical control hobbing machine can finish the whole tooth profile machining of a gear workpiece by only one hobbing step, the average rate of chip generation can be calculated by the following method: calculating the volume V of the material cut in the whole gear hobbing step through the design parameters of the gearc(mm3) Multiplying by density rho to obtain the mass of the cut material, and dividing by the working time tiObtaining an average rate v of chip generation for the hobbing stepci(unit: kg/s), the specific calculation formula is as follows:
obtaining the average rate v of chip generation in a single process stepci(kg/s), then, introducing the data into an energy-saving operation control algorithm according to requirements, and calculating by combining the parameters of the chip removal system and the parameters of the gear machining process。
2. A control algorithm module: the system is used for reading the parameters after the basic analysis and importing an energy-saving operation control algorithm according to the requirement;
the control algorithm module reads the parameters after the basic analysis and introduces the parameters into the energy-saving operation control algorithm according to the requirement, and calculates the time node sequence t of the chip removal system operating according to the requirement in one proceduremjAnd tcljIf the residual cutting amount M' after the working procedure is finished is less than the safe accommodation value M of the chip groove0Then, it is used as the input parameter before the next process.
The specific flow of this module is shown in fig. 5, and the input/output is as follows:
1) inputting parameters: total process time T, number of process steps n (default to 1), residual quantity of chips m' after the previous process, and average rate v of chip generationciSafe accommodation value M of chip groove0And a chip removal rate Vp；
2) Outputting parameters: chip removal system closing time tmjAnd the starting time point t of the chip removal systemcljAnd a chip residue m' after the present process;
3) intermediate variables: control sequence number j, process step number i, process step number h when chip removal system is closed, and chip accumulation judgment intermediate values m and mtAnd Δ m;
the algorithm is used for controlling the chip removal system to operate according to the requirement in one process, and the following principle is mainly adopted:
firstly, ensuring that the residual cuttings M' in the cuttings discharging groove after the processing of the current process of the cuttings discharging system does not exceed a set safe accommodation value M0；
Ensuring that the implementation of the control strategy of operating according to requirements does not influence the normal work of the chip removal system;
and thirdly, the chip removal system is closed before the process is started and is also closed after the process is finished.
3. A control implementation module:
the control implementation module is used for sequentially sending chip removal system opening/closing signals according to the chip removal system running time nodes after the machining is started, and controlling the chip removal system to run as required within one working procedure machining time so as to achieve the purpose of energy conservation;
the module mainly comprises a simulation and control module of real-time machining progress and communication between the module and a machine tool CNC system, the simulation machining progress can judge the control variable which should be output currently according to the running time node of a chip removal system after machining is started, and a communication protocol in the CNC system is used for establishing connection between a front-end control interface and a machine tool PLC data block so as to accurately output a control signal.
3.1 control implementation module function flow analysis: control implementation module reads time node sequence t of chip removal system running as requiredmjAnd tcljAnd after the machining is started, a DDE link with the CNC system is established, the DDE service in the CNC system is used for rewriting corresponding variables controlled by the chip removal system in the PLC data block, and the PLC program is used for controlling the chip removal system of the machine tool to be opened or closed.
The flow of this module is shown in fig. 6, and the main flow analysis is as follows:
1) reading a sequence of time nodes t of a chip removal system operating on demandmjAnd tclj；
2) A control preparation stage, detecting a main shaft opening signal;
3) after the main shaft is detected to start to operate, starting dynamic time which increases along with real time, and a dynamic time and control time sequence tmjAnd tcljCarrying out matching judgment;
4) when the dynamic time is matched with any control time node, a DDE link is established with the CNC system, and 0/1 digital signals which are correspondingly opened/closed are sent through the DDE link; if the dynamic time is not matched with the control time node, no control signal is sent;
5) the dynamic time is finished along with the end of the machining process, the whole control process is finished, and the chip residue theoretical value m' is used as an input parameter before the next procedure;
6) and closing the whole control flow, and restoring the program to the initial state to prepare the initial setting of the parameters before the processing of the next procedure is started.
3.2 control implementation process bottom layer communication principle analysis:
the main way for the control implementation module to communicate with the CNC system of the machine tool is a dynamic data exchange DDE communication protocol, which is a data exchange technology provided by the WINDOWS operating system, is a means for communication between application programs in the WINDOWS environment, and realizes the communication between two or more application programs by using a public protocol.
According to the roles played by two application programs in the DDE when exchanging information, the application programs are divided into a client and a server, the program providing service is called a DDE server, the application program applying for informing information is called a DDE client, usually, the DDE client makes a request to the DDE server and acts according to the requirement of the DDE client, the information flows from the server to the client, but the client can also send the information back to the server. The exchange of data between applications entails the establishment of DDE links, of three types:
automatic linking: the server sends data in the project specially set for the DDE conversation, and when the data are changed, the link acts in real time and automatically updates the data;
manual linking: when the data changes, the client must explicitly indicate the updating requirement, and the data is updated;
and (3) notification linkage: the server informs the client when the data changes, and the client determines whether to update the data according to the requirement of the client.
In the control implementation module of the invention, the front end control module is a DDE client, the CNC data block is a DDE server, and the application of the DDE communication protocol in the module is as follows:
1) the process of detecting the opening of the main shaft adopts a DDE automatic linking method, when the parameter which identifies the main shaft state in the CNC data block changes, the change value is automatically sent to the front-end control module, the front-end control module detects the data to make judgment, and the adopted basic statements are as follows:
Label2.LinkTopic="ncdde|ncu840d"
Label2.LinkItem="/Channel/Spindle/actSpeed"
Label2.LinkMode=1
label2 is a front-end control, LinkTopic is a DDE link theme, shows the content of the current DDE link, and establishes the DDE link with a numerical control inner core of Siemens 840D; linkitem is data transmitted in a link mode, and the linkitem is the actual rotating speed of the spindle; linkmode is a type of link, here "1", i.e. automatic link;
2) the DDE manual connection method is adopted in the process of sending the control signal, when the dynamic time is matched with the control time point, the corresponding on/off 0/1 digital signal is sent by the LikePoke method, the real-time control is realized, and the adopted basic statements are as follows:
Label9.LinkTopic="ncdde|local"
Label9.LinkItem=plcDBaddress
Label9.LinkMode=2
Label9.Caption=0
Label9.LinkPoke
the other attributes have the same meanings as above, wherein link transmission data linkitem is a block address and a byte number (determined by a machine tool user and corresponding to a program interface for controlling a chip removal system) of a PLC (programmable logic controller) of the machine tool which needs to receive signals, a link mode is '2', namely manual link, Label9.Caption is a parameter value which needs to be written, and LinkPoke is a behavior for triggering the parameter to be written.
Among them, a Computer Numerical Control (CNC) system is a system that controls a processing function by a computer to realize numerical control. The CNC system executes part or all of the numerical control functions according to the control programs stored in the computer memory, and is provided with a special computer system of an interface circuit and a servo driving device. The CNC system is composed of a numerical control program, an input device, an output device, a computer numerical control device (CNC device), a Programmable Logic Controller (PLC), a spindle driving device, a feeding (servo) driving device (including a detecting device), and the like.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, although the present invention is described in detail with reference to the preferred embodiments, modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (4)
1. The control method for the on-demand energy-saving operation of the chip removal system of the numerical control machine is characterized in that the chip removal system of the numerical control machine is controlled by the CNC system of the numerical control machine, and sequentially comprises the following steps:
1) determining the parameter types and initializing: initializing and setting processing technological parameters and chip removal system parameters according to a specific product and process to be processed;
2) calculating the operation time node of the chip removal system according to the requirement: calculating an optimized operation time node of the chip removal system according to the process parameters;
3) the chip removal system can operate in an energy-saving mode according to requirements: and controlling the chip removal system of the machine tool to be opened and closed according to the optimized operation time node of the chip removal system, thereby achieving the purpose of energy conservation and optimization.
2. A chip removal system of a numerical control machine tool is an energy-saving operation control system as required, which is characterized in that a parameter input module, a control algorithm module and a control implementation module are embedded into a CNC system of the numerical control machine tool; wherein,
1) the parameter input module is used for initializing and setting the processing technological parameters of the workpiece and the parameters of the chip removal system and carrying out basic analysis; the input parameters comprise chip removal system parameters and process parameters, wherein the chip removal system parameters comprise chip removal speed vp(kg/s) safe flute accommodation value M0(kg) and the residual quantity m' (kg) of chips remaining in the chip discharge groove; the technological parameters include working hours ti(s), process man-hour T, and work material density ρ (kg/mm)3) N, and design parameters of the workpiece, and analyzing the process parameters according to the process steps to obtain the average rate v of chips generated in each process stepci(kg/s)；
2) The control algorithm module is used for reading the parameters after the basic analysis and importing the parameters into an energy-saving operation control algorithm according to needs, and the control algorithm module is activated after the control algorithm calculates the obtained result;
3) time node sequence t of control implementation module running on demand by reading chip removal systemmjAnd tcljAnd after the machining is started, a DDE link with the CNC system is established, the DDE service in the CNC system is used for rewriting corresponding variables controlled by the chip removal system in the PLC data block, and the PLC program is used for controlling the chip removal system of the machine tool to be opened or closed.
3. The numerically-controlled machine tool chip removal system on-demand energy-saving operation control system according to claim 1, characterized in that: the control algorithm module is used for reading parameters and analysis results in the parameter input module, importing an energy-saving operation control algorithm according to needs, and calculating through the algorithm to obtain an operation time node of the chip removal system optimization control scheme; the control algorithm follows the following principles:
firstly, ensuring that the residual cuttings in a cuttings discharge groove of a cuttings discharge system do not exceed a set safe accommodation value after the processing of the current process is finished;
ensuring that the implementation of the control strategy of operating according to requirements does not influence the normal work of the chip removal system;
the chip removal system is closed before the process is started and is also closed after the process is finished;
directly recording the residual cuttings after the current process as input parameters of the next process.
4. An on-demand energy-saving operation control system of a chip removal system of a numerical control machine tool according to claim 2, characterized in that: the control implementation module is used for sequentially sending chip removal system opening/closing signals according to the chip removal system running time nodes after the machining is started, and controlling the chip removal system to run as required within one working procedure machining time so as to achieve the purpose of energy conservation;
the module mainly comprises a simulation and control module of real-time machining progress and communication between the module and a machine tool CNC system, the simulation machining progress can judge the control variable which should be output currently according to the running time node of a chip removal system after machining is started, and a communication protocol in the CNC system is used for establishing connection between a front-end control interface and a machine tool PLC data block so as to accurately output a control signal.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744356A (en) * | 2014-01-17 | 2014-04-23 | 重庆大学 | Intelligent dynamically-configurable controller of tool based on DSP (Digital Signal Processor)/FPGA (Field Programmable Gate Array) and control method |
| CN104503368A (en) * | 2014-12-09 | 2015-04-08 | 上海航天精密机械研究所 | Cooling liquid control system, numerical control machine tool and machining method |
| CN104698982A (en) * | 2015-03-13 | 2015-06-10 | 江俊逢 | Stepping CNC system, generating method of machining file, and real-time control method |
| CN107340754A (en) * | 2016-04-28 | 2017-11-10 | 发那科株式会社 | Numerical control device |
| CN107957706A (en) * | 2017-12-13 | 2018-04-24 | 福建省威诺数控有限公司 | Numerically-controllmachine machine tool chip removal automatic start-stop control method |
| CN109242328A (en) * | 2018-09-20 | 2019-01-18 | 珠海格力智能装备有限公司 | Chip removal system control method and device |
| CN109407516A (en) * | 2018-12-19 | 2019-03-01 | 哈尔滨理工大学 | The adaptive feedback chip removal system of CFRP processing |
| CN105338114B (en) * | 2015-11-25 | 2019-06-04 | 中国石油集团东方地球物理勘探有限责任公司 | The control method and control device of earthquake data processing system |
| CN112692635A (en) * | 2020-12-11 | 2021-04-23 | 珠海格力智能装备有限公司 | Machine tool control method and control device, and machine tool equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201186391Y (en) * | 2008-03-18 | 2009-01-28 | 郭自刚 | Novel energy-saving machine tool |
| CN101367173A (en) * | 2008-09-16 | 2009-02-18 | 重庆大学 | Machine halt energy conservation implementing method in no-load running period of adjacent process steps of numerical control machine |
| CN202217165U (en) * | 2011-07-18 | 2012-05-09 | 山东永华机械有限公司 | Numerical control machine dormancy energy-saving control device |
| JP2012113522A (en) * | 2010-11-25 | 2012-06-14 | Amada Co Ltd | Method and device for collecting energy consumption |
| CN102601673A (en) * | 2012-01-05 | 2012-07-25 | 浙江陀曼精密机械有限公司 | Energy saving method for oil pump motor |
-
2013
- 2013-05-06 CN CN201310162685.5A patent/CN103268083B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201186391Y (en) * | 2008-03-18 | 2009-01-28 | 郭自刚 | Novel energy-saving machine tool |
| CN101367173A (en) * | 2008-09-16 | 2009-02-18 | 重庆大学 | Machine halt energy conservation implementing method in no-load running period of adjacent process steps of numerical control machine |
| JP2012113522A (en) * | 2010-11-25 | 2012-06-14 | Amada Co Ltd | Method and device for collecting energy consumption |
| CN202217165U (en) * | 2011-07-18 | 2012-05-09 | 山东永华机械有限公司 | Numerical control machine dormancy energy-saving control device |
| CN102601673A (en) * | 2012-01-05 | 2012-07-25 | 浙江陀曼精密机械有限公司 | Energy saving method for oil pump motor |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10078323B2 (en) | 2014-01-17 | 2018-09-18 | Chongqing University | Dynamically configurable intelligent controller and control method for machine tools based on DSP/FPGA |
| CN103744356A (en) * | 2014-01-17 | 2014-04-23 | 重庆大学 | Intelligent dynamically-configurable controller of tool based on DSP (Digital Signal Processor)/FPGA (Field Programmable Gate Array) and control method |
| CN104503368A (en) * | 2014-12-09 | 2015-04-08 | 上海航天精密机械研究所 | Cooling liquid control system, numerical control machine tool and machining method |
| CN104698982A (en) * | 2015-03-13 | 2015-06-10 | 江俊逢 | Stepping CNC system, generating method of machining file, and real-time control method |
| CN104698982B (en) * | 2015-03-13 | 2018-01-12 | 江俊逢 | Stepping type CNC system and the generation method of processed file, real-time control method |
| CN105338114B (en) * | 2015-11-25 | 2019-06-04 | 中国石油集团东方地球物理勘探有限责任公司 | The control method and control device of earthquake data processing system |
| CN107340754A (en) * | 2016-04-28 | 2017-11-10 | 发那科株式会社 | Numerical control device |
| US10521724B2 (en) | 2016-04-28 | 2019-12-31 | Fanuc Corporation | Numerical controller with swarf removal calculations |
| CN107340754B (en) * | 2016-04-28 | 2020-09-04 | 发那科株式会社 | Numerical controller |
| CN107957706A (en) * | 2017-12-13 | 2018-04-24 | 福建省威诺数控有限公司 | Numerically-controllmachine machine tool chip removal automatic start-stop control method |
| CN109242328A (en) * | 2018-09-20 | 2019-01-18 | 珠海格力智能装备有限公司 | Chip removal system control method and device |
| CN109407516A (en) * | 2018-12-19 | 2019-03-01 | 哈尔滨理工大学 | The adaptive feedback chip removal system of CFRP processing |
| CN112692635A (en) * | 2020-12-11 | 2021-04-23 | 珠海格力智能装备有限公司 | Machine tool control method and control device, and machine tool equipment |
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