CN107526338A - A kind of numerical control electrolytic machine tool control system based on PMAC - Google Patents
A kind of numerical control electrolytic machine tool control system based on PMAC Download PDFInfo
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- CN107526338A CN107526338A CN201610456457.2A CN201610456457A CN107526338A CN 107526338 A CN107526338 A CN 107526338A CN 201610456457 A CN201610456457 A CN 201610456457A CN 107526338 A CN107526338 A CN 107526338A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
- G05B19/4141—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller characterised by a controller or microprocessor per axis
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31121—Fielddevice, field controller, interface connected to fieldbus
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Abstract
A kind of numerical control electrolytic machine tool control system based on PMAC, PC type digital control system in open type structures are embedded in using NC, powerful PMAC motion controls card insertion is manually controlled to composition Master-Slave Distributive Control system in the expansion slot of machine, both it ensure that the control accuracy of system in turn ensure that the flexible and open of system, user can increase or decrease control function according to the process requirements of oneself, different the servo number of axle and functional module are configured, meets the needs of complex profile Electrolyzed Processing.
Description
Art
The present invention relates to a kind of numerical control electrolytic machine tool control system based on PMAC, suitable for mechanical field.
Background technology
With the development of modern processing, the application of Complex Parts is more and more extensive made of difficult-to-machine material (such as stainless steel, hard alloy, high temperature alloy).The cutting ability of these materials is poor, and to complex-curved on the part that is made from it, processed using traditional numerical control milling mode often can not obtain high machining accuracy and surface quality because of cutter rigidity deficiency or rapid wear.
Electrolyzed Processing is to produce the principle of anodic solution in the electrolytic solution using metal to remove metal material, in processing tool cathode it is lossless, without macroscopical cutting force, the batch production for difficult-to-machine material, complicated shape part be it is a kind of efficiently, great surface quality, the process of high economy.Traditional Electrolyzed Processing is using Shaped Cathode by copy mode processing cavity, type face, the design and manufacture of its Shaped Cathode are difficult, and the manufacturing cycle is grown, along with cathode shape is complicated, working (finishing) area is big so that the accuracy of repetition of copy type processing, repeatable accuracy be not high.
In order to solve the above problems, begun one's study the tool cathode using simple shape from mid-term the 1980s both at home and abroad, pass through computer and control motion of the negative electrode relative to workpiece come the numerical control electrochemical Machining Technology of processed complex curved surface.The technology processes complex profile by the motion of programme-control negative electrode opposite piece, avoids the design and manufacture of complicated Shaped Cathode, available in small lot, the multi items even production of single-piece trial-production.Moreover the region that processing is participated in numerical control electrochemical machining process, on negative electrode greatly reduces compared with traditional copy type is processed, so that the influence of caused gas and heat is remarkably decreased in electrolyte, thus can improve machining accuracy and surface quality.
The content of the invention
The present invention proposes a kind of numerical control electrolytic machine tool control system based on PMAC, PC type digital control system in open type structures are embedded in using NC, powerful PMAC motion controls card insertion is manually controlled to composition Master-Slave Distributive Control system in the expansion slot of machine, both it ensure that the control accuracy of system in turn ensure that the flexible and open of system, user can increase or decrease control function according to the process requirements of oneself, different the servo number of axle and functional module are configured, meets the needs of complex profile Electrolyzed Processing.
The technical solution adopted in the present invention is：
The control system is responsible for realizing whole system control function using PMAC2A.PCI04 types motion control card as control core, including completes locus interpolation computing, realizes complex-curved processing；The control of servo-drive system and correct control instruction is sent to drive device, ensure the security of whole system and the accuracy of motion control；The collection of system running state signal, the real-time monitoring of operation conditions；Back to zero, spacing and servo such as report an error at the realization of function.Man-machine interactive platform is used as using AD-VANTECH-610 types industrial control computer, using its processing speed is fast, computing capability is strong and the characteristics of working stability, the information management of system, the transmission of NC instruction, system state monitoring and processing on real-time status monitoring quickly and accurately can be completed by software and the function such as show.Servo drive system uses Cyclone AC synchronous samplings motor to drive ball-screw motion, the minimum reachable 0.1mm/min of feed speed after gearratio slows down for 5 belt wheel reducing gear.
The PMAC motion controllers of the control system are by U.S. Delta
The multi-axis motion controller based on DSP technologies that Tau companies release, there is the characteristics of fast response time, precision are high, the construction cycle is short, program and be simple to operate, be widely used on the high-precision servo device of the multi-shaft interlocked controls such as robot, Digit Control Machine Tool.Core component inside PMAC motherboards has one piece of DSP56001/DSP56002 chip and two pieces of user's gate array chips, it can carry out independent computing to being stored in its internal program, perform motor program, PLC program and servo loop renewal, 8 axles can be manipulated simultaneously, and are communicated with string 121, bus two ways and main frame.And it can also carry out priority level differentiation to task automatically, so as to carry out real-time multi-task processing, this causes it to significantly reduce the burden of main frame and programmable device in processing time and task switching these two aspects, improves the speed of service and control accuracy of whole control system.
The Cyclone AC servoes have very high Stability and veracity, while have good self-protection performance, are fully able to the control requirement for meeting processed complex curved surface.The correct connection established between PMAC and servo-driver is to ensure the key factor that whole system normally steadily operates.
The control software is the human-computer interaction interface and control core of system.PMAC has good software open, it is allowed to which user uses the multilinguals such as VC++, C, C++, VB, Delphi free development control software according to demand.Communicated for the ease of PMAC with upper strata Windows, Delta
Tau companies provide PComm32 dynamic link libraries as the bridge to be communicated between upper level applications and PMAC.PComm32 is a very effective developing instrument, it is made up of PMAC.DLL (communication function storehouse), PMAC.SYS (kernel driver) and 3 files of PMAC.VXD3 (32 virtual device drivers), individual function more than 250 is contained altogether, almost includes all and PMAC communication means.Because PComm32 Dynamic Link Library Functions and VC++ have good compatibility, control software is developed using visual c++ 6.0, by calling PComm32.DLL Dynamic Link Library Functions to realize communication and data exchange between software and PMAC cards, so as to realize the control to whole system.In order to ensure the opening of software and scalability, software systems use delamination modularization structure (as shown in Figure 3).System is divided into two layers, and first layer is Communication Layer, and major function is the communication established between software and PMAC；The second layer is managed application data-layer, include a series of application module and management module, major function is to realize that PMAC initialization, machined parameters are set, control, automatic processing, real time position are shown and decoding explanation program etc. manually, user according to oneself increase in demand or can delete module, fully demonstrate the opening of system.
The beneficial effects of the invention are as follows：The control system is using NC insertion PC type digital control system in open type structures, powerful PMAC motion controls card insertion is manually controlled to composition Master-Slave Distributive Control system in the expansion slot of machine, both it ensure that the control accuracy of system in turn ensure that the flexible and open of system, user can increase or decrease control function according to the process requirements of oneself, different the servo number of axle and functional module are configured, meets the needs of complex profile Electrolyzed Processing.
Brief description of the drawings
Fig. 1 is the control system hardware structure diagram of the present invention.
Fig. 2 is the servo-drive wiring diagram of the present invention.
Fig. 3 is the software architecture diagram of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Such as Fig. 1, control system is responsible for realizing whole system control function using PMAC2A.PCI04 types motion control card as control core, including completes locus interpolation computing, realizes complex-curved processing；The control of servo-drive system and correct control instruction is sent to drive device, ensure the security of whole system and the accuracy of motion control；The collection of system running state signal, the real-time monitoring of operation conditions；Back to zero, spacing and servo such as report an error at the realization of function.Man-machine interactive platform is used as using AD-VANTECH-610 types industrial control computer, using its processing speed is fast, computing capability is strong and the characteristics of working stability, the information management of system, the transmission of NC instruction, system state monitoring and processing on real-time status monitoring quickly and accurately can be completed by software and the function such as show.Servo drive system uses Cyclone AC synchronous samplings motor to drive ball-screw motion, the minimum reachable 0.1mm/min of feed speed after gearratio slows down for 5 belt wheel reducing gear.
Such as Fig. 2, the PMAC motion controllers of control system are the multi-axis motion controllers based on DSP technologies released by Delta Tau companies of the U.S., with fast response time, precision is high, the construction cycle is short, programming and it is simple to operate the characteristics of, be widely used on the high-precision servo device of the multi-shaft interlocked controls such as robot, Digit Control Machine Tool.Core component inside PMAC motherboards has one piece of DSP56001/DSP56002 chip and two pieces of user's gate array chips, it can carry out independent computing to being stored in its internal program, perform motor program, PLC program and servo loop renewal, 8 axles can be manipulated simultaneously, and are communicated with string 121, bus two ways and main frame.And it can also carry out priority level differentiation to task automatically, so as to carry out real-time multi-task processing, this causes it to significantly reduce the burden of main frame and programmable device in processing time and task switching these two aspects, improves the speed of service and control accuracy of whole control system.
Cyclone AC servoes have very high Stability and veracity, while have good self-protection performance, are fully able to the control requirement for meeting processed complex curved surface.The correct connection established between PMAC and servo-driver is to ensure the key factor that whole system normally steadily operates.
Such as Fig. 3, control software is the human-computer interaction interface and control core of system.PMAC has good software open, it is allowed to which user uses the multilinguals such as VC++, C, C++, VB, Delphi free development control software according to demand.Communicated for the ease of PMAC with upper strata Windows, Delta Tau companies provide PComm32 dynamic link libraries as the bridge to be communicated between upper level applications and PMAC.PComm32 is a very effective developing instrument, it is made up of PMAC.DLL (communication function storehouse), PMAC.SYS (kernel driver) and 3 files of PMAC.VXD3 (32 virtual device drivers), individual function more than 250 is contained altogether, almost includes all and PMAC communication means.Because PComm32 Dynamic Link Library Functions and VC++ have good compatibility, control software is developed using visual c++ 6.0, by calling PComm32.DLL Dynamic Link Library Functions to realize communication and data exchange between software and PMAC cards, so as to realize the control to whole system.In order to ensure the opening of software and scalability, software systems use delamination modularization structure (as shown in Figure 3).System is divided into two layers, and first layer is Communication Layer, and major function is the communication established between software and PMAC；The second layer is managed application data-layer, include a series of application module and management module, major function is to realize that PMAC initialization, machined parameters are set, control, automatic processing, real time position are shown and decoding explanation program etc. manually, user according to oneself increase in demand or can delete module, fully demonstrate the opening of system.
Claims (6)
1. a kind of numerical control electrolytic machine tool control system based on PMAC, it is characterized in that：The control system is responsible for realizing whole system control function using PMAC2A.PCI04 types motion control card as control core, including completes locus interpolation computing, realizes complex-curved processing；The control of servo-drive system and correct control instruction is sent to drive device, ensure the security of whole system and the accuracy of motion control；The collection of system running state signal, the real-time monitoring of operation conditions；Back to zero, spacing and servo such as report an error at the realization of function.
2. a kind of numerical control electrolytic machine tool control system based on PMAC according to claim 1, it is characterized in that：The control system is used as man-machine interactive platform using AD-VANTECH-610 types industrial control computer, using its processing speed is fast, computing capability is strong and the characteristics of working stability, the information management of system, the transmission of NC instruction, system state monitoring and processing on real-time status monitoring quickly and accurately can be completed by software and the function such as show.
3. a kind of numerical control electrolytic machine tool control system based on PMAC according to claim 1, it is characterized in that：The control system servo drive system uses Cyclone AC synchronous samplings motor to drive ball-screw motion, the minimum reachable 0.1mm/min of feed speed after gearratio slows down for 5 belt wheel reducing gear.
4. a kind of numerical control electrolytic machine tool control system based on PMAC according to claim 1, it is characterized in that：Core component inside the PMAC motherboards of the control system has one piece of DSP56001/DSP56002 chip and two pieces of user's gate array chips, it can carry out independent computing to being stored in its internal program, perform motor program, PLC program and servo loop renewal, 8 axles can be manipulated simultaneously, and are communicated with string 121, bus two ways and main frame.
5. a kind of numerical control electrolytic machine tool control system based on PMAC according to claim 1, it is characterized in that：The Cyclone AC servoes have very high Stability and veracity; there is good self-protection performance simultaneously; the control requirement for meeting processed complex curved surface is fully able to, the correct connection established between PMAC and servo-driver is to ensure the key factor that whole system normally steadily operates.
6. a kind of numerical control electrolytic machine tool control system based on PMAC according to claim 1, it is characterized in that：The control software is the human-computer interaction interface and control core of system, and PMAC has good software open, it is allowed to which user uses the multilinguals such as VC++, C, C++, VB, Delphi free development control software according to demand.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873821A (en) * | 2018-09-17 | 2018-11-23 | 皖西学院 | A kind of electrochemical machine control cabinet and its control system |
| CN110815244A (en) * | 2019-11-18 | 2020-02-21 | 扬州大学 | Spraying robot workstation control system |
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2016
- 2016-06-22 CN CN201610456457.2A patent/CN107526338A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873821A (en) * | 2018-09-17 | 2018-11-23 | 皖西学院 | A kind of electrochemical machine control cabinet and its control system |
| CN110815244A (en) * | 2019-11-18 | 2020-02-21 | 扬州大学 | Spraying robot workstation control system |
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Application publication date: 20171229 |