CN103676785B - A kind of intelligence manufacture method of fan blade - Google Patents
A kind of intelligence manufacture method of fan blade Download PDFInfo
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- CN103676785B CN103676785B CN201310677858.7A CN201310677858A CN103676785B CN 103676785 B CN103676785 B CN 103676785B CN 201310677858 A CN201310677858 A CN 201310677858A CN 103676785 B CN103676785 B CN 103676785B
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Abstract
The invention discloses a kind of intelligence manufacture method of fan blade, specifically comprise the following steps that establishment process operation template set；Create operation resource storehouse；Create processing knowledge base；New menucommand is developed in CAM instrument；Specify the blade utilizing MBD technology to create as body of tool in CAM instrument；Search leaf characteristic；By the feature-modeling process operation method found, and it is automatically performed the generation of cutter rail；The cutter rail program generated is carried out post processing；Program transmission is carried out blade milling to four shaft vertical milling machines.The application of the method makes programming personnel improve work efficiency in programming process in the future, it is to avoid the repetitive operation to maturation process, it is simple to enterprise's storage to maturation process, is the most also beneficial to blade processing quality is effectively ensured.
Description
Technical field
The present invention relates to computer aided manufacturing field, specifically, be how to quickly finish the establishment of blade processing cutter rail, cutter is chosen and the method for monitoring in real time of blade processing process.
Background technology
High speed development along with China's aircraft industry, the most all there is bigger change in the various patterns such as its research and development, manufacture, initially carries out " head-twitch test " engineering in aircraft industry, is replaced with computer graphics by all drawings, the labor intensity progressively avoiding Hand drawing is big, the problems such as workload is loaded down with trivial details.Along with the development of 3D technology, progressively three-dimensional drawing is applied to the design field of aircraft industry.Application for 3D technology achieves the spatial visualization of part, facilitates staff's conception for design of part.Now, China progressively develops the development & production pattern being similar to Boeing, uses MBD(Model Based Definition in the research and development manufacture process of all kinds of structural member of aircraft and other functors) technology.
By the application of MBD technology being made the threedimensional model of blade and being not only the expression of geometric properties, in this model file, each attribute such as the design information of blade, manufacturing information, quality information and management information are comprehensively expressed.And blade is one of important spare part in aero-engine, the quality of its quality will directly affect life-span and the efficiency of electromotor.On the one hand the quality assurance of blade depends on the reasonability of design, it is often more important that depending on the quality of processing, the program quality the most how improving programming personnel is most important.
Designer is by the way of then dimensional Modeling Technology carries out cutter rail establishment by the process planning of technologist to blade to blade modeling, and on the one hand its repeated labor amount is big, inefficiency；On the other hand, blade construction is special, and technological parameter is difficult to hold, thus causes the uneven of processor quality, and length of blade is relatively big simultaneously, and blade thickness is less, easily occurs torsional deflection in the course of processing.
Nowadays aircraft industry is by the application to MBD technology, for how the various information comprised in leaf three-dimensional model is applied in the course of processing and the most effectively guarantees that the crudy of blade is significant.
By the processing knowledge of blade is arranged, high-quality processing technique is stored in the way of processing knowledge；And reasonably process knowledge rule according to the machining information establishment on leaf three-dimensional model, by processing the automated reasoning of knowledge, various process operation is created automatically for different blades, on the one hand improve the programming efficiency of programming personnel, on the other hand enterprise's reservation to high-quality process and the training of new person are conducive to, enable new employee to develop high-quality program at short notice, thus promote the overall development of enterprise.
Additionally the cutter rail program of Intelligent generation is sent to specifying lathe, equipped with Double-head on this lathe, the synchronous rotary of head one and head two effectively prevent blade torsional deflection in the course of processing, simultaneously equipped with sensor on lathe, can monitor the course of processing of blade in real time, appropriate program adjusts and the automatic execution of part instruction, is effectively guaranteed the crudy of blade by this mode.
In sum, on the premise of application MBD technology, work out on the one hand achieve the intelligent of programming by the method to be carried out cutter rail to blade, improve the programming efficiency of staff, but should first create in application the method and suitably process knowledge base, creating suitable leaf characteristic recognition rule and blade processing rule in this knowledge base, the Double-head on lathe and sensor can effectively ensure that the crudy of large-scale blades simultaneously.
Summary of the invention
The technical problem to be solved is to provide a kind of intelligence manufacture method of fan blade, on the one hand make during establishment blade processing cutter rail, decrease the repetitive operation of programmer, some machined parameters is solidificated in processing knowledge base simultaneously, be conducive to program staff's establishment to high-quality processor, on the other hand make the crudy of blade be effectively ensured by the application of sensor and Double-head in the course of processing.
A kind of intelligence manufacture method of the fan blade of the present invention, it is characterised in that:
By processing knowledge base defined in Computer aided building instrument, operation resource storehouse, the leaf model created by application MBD technology is carried out the establishment of feature identification rule and feature machining rule, the intelligence establishment of the identification to leaf characteristic and blade processing technique is completed by program, then program transmission is processed to the vertical four-axis milling machine equipped with Double-head and sensor, by this kind of mode, on the one hand the leaf quality of processing is made to be guaranteed, on the other hand, realize the automatic feedback of machining information and the automatic execution of related command, thus realize blade processing programming intellectuality and the intellectuality of blade processing manufacture.
Step one:
Create process operation template set.The process operation type may used during blade processing is defined on ad-hoc location in the form of a file as process operation template set.By the action type of fan blade is carried out induction and conclusion, sort out its required various process operation types, such as: the action types such as die cavity milling, fixed-lag Kalman smoother, flexible shaft profile milling, with the formal definition of file template under the mounted specific installation path of Computer aided building instrument, this path is the store path of computer, and the position definition in this path being referred to mounted Computer aided building instrument is defined.The file comprising various process operation type is placed under this path so that calling in follow-up use.Process operation template set i.e. comprises multiple files of process operation type.
Step 2:
Create operation resource storehouse.The tool type may used during blade processing, machine tool type are defined in the form of a file ad-hoc location as operation resource storehouse.First, according to geometric properties and the processing technique of all kinds of blades being likely encountered in real work, sorting out the cutter of possible use, machine tool type, fixture operation resource, the most all kinds of operation resources create three complementary files.From the point of view of cutter: in complementary file 1, storage is the attribute information of all kinds of cutter, including the geometric model of cutter, the diameter of cutter, the length of cutter needed for different parameter values, the storage of complementary file 2 is the handling function screening different cutters, store in complementary file 3 is the style definitions of in use dialog box, which includes the definition of property value quantity in dialog box, i.e. definition and need the property value occurred in the user interface；
Then Miscellaneous Documents defined above is placed and in specific path, in order to during subsequent use, all kinds of operation resources are called.
Step 3:
Create processing knowledge base.Analyze existing vaned all kinds of architectural features, by applied topology rule and program language, each category feature is described, and define the processing method applied for different features the most simultaneously, i.e. process operation type, and the cutting parameter in the course of processing, this document is placed given position as processing knowledge base；Analyze existing vaned all kinds of architectural features, by applied topology rule and program language, each category feature is described, and define the processing method applied for different features, i.e. process operation type, and the cutting parameter in the course of processing the most simultaneously.This document is placed given position as processing knowledge base；
Blade containing different types of structure is carried out feature division blade and may contain leading edge, trailing edge, leaf basin, blade back, after the different characteristic of different leaves is divided, it is described by program language according to topology rule or other rules, after completing description thereof, the file comprising descriptive statement is placed on ad-hoc location, and become processing knowledge base by comprising the file that each category feature is described, the topology rule wherein carried refers to a kind of rule to each essential factors space location expression, artificial definition can be carried out, and program language refers to general computer language, such as, C, C++, JAVA etc.；
In the compilation process of blade processing knowledge rule, every processing knowledge rule is by input feature vector and the definition of output characteristic, the processing of such as certain blade may need three process, then when carrying out second operation work operation and creating, want the second processing rule successfully applied in processing knowledge base, then the input feature vector of second operation work should be the output characteristic of first operation, the output characteristic of second operation work should be the input feature vector of three process, and feature can be specially now blank state in which or geometric shape.Only input feature vector and output characteristic is consistent with processing knowledge rule, and this rule its is possible to be applied to current signature.If input feature vector and output characteristic mate, then start to compare the manufacturing information of leaf characteristic, such as roughness value size, characteristic size etc..Screening one by one in processing knowledge base in this way, final acquisition is best suitable for the processing rule of this feature；
During screening processing rule, it is possible that a plurality of qualified rule, now, by defining different priority, relatively low its priority of mode of processing cost is higher, in the case of i.e. there is a plurality of processing rule, and the lower-cost processing mode of prioritizing selection；
Processing knowledge base is processed the definition of rule, contain the comparison of the manufacturing information to feature, identify that feature need to comprise corresponding machining information: surface roughness, physical dimension, processing defined in the processing rule of knowledge base the application conditions of this rule, operating condition, tool-information, wherein application conditions contains the scope of this rule application: the surface roughness value of leaf characteristic need to be more than 6.3；Tool-information defines the screening conditions of cutter in this rule: blade will use ball head knife, and the radius of ball head knife need to be less than the surface minimum diameter of leaf characteristic；Operating condition defines for action type required during this feature establishment process operation, cutting parameter.
Step 4:
Create menucommand.Menucommand is created in CAM instrument, including: search feature and create processing technique two order；" lookup feature " order carries out the lookup of feature by calling processing knowledge base to blade；" establishment processing technique " order is by calling the leaf characteristic for having searched and create process operation process operation template set, processing knowledge base, operation resource storehouse, and be automatically performed the generation of cutter rail.Menucommand is created in CAM instrument, including: search feature and create processing technique two order." lookup feature " order carries out the lookup of feature by calling processing knowledge base to blade；" establishment processing technique " order is by calling the leaf characteristic for having searched and create process operation process operation template set, processing knowledge base, operation resource storehouse, and be automatically performed the generation of cutter rail.
Secondary development is carried out in used Computer aided building instrument, complete the menu of Computer aided building instrument is extended by using computer language to write corresponding programmed instruction, defined menu comprises " lookup feature " and " establishment processing technique " two orders；Ad-hoc location need to be placed it in so that effectively managing for the application definition file needed for secondary development, corresponding process operation template set defined previously, operation resource storehouse and processing knowledge base is answered when above two menu instructions are defined, the screening to types of objects and loading is realized by program statement, after i.e. completing the screening of destination object, instruct by clicking on " determination " in defined dialog box, automatically the object screened should be loaded onto in processing environment and create and use；
When defining " lookup feature " instruction, object to be processed is mainly compared with the defined characteristic type processed defined in knowledge base before by it by coding, definition for " establishment processing technique " menu instructions, mainly according to identified characteristic attribute and feature, it is processed the automatic loading of action type and operation resource；Quoting the process operation template set defined before when now creating process operation type；And the automatic loading of operation resource, it is then that the machining information treated included in machining feature by program is compared with the operation resource in operation resource storehouse, after finding suitable operation resource, to automatically be loaded onto in processing environment, thus avoid and artificial go manual creation, substantially increase the work efficiency of staff, it is achieved thereby that intelligent.
Step 5:
Specify processing object.Being opened in CAM instrument and specify blade by the leaf model that application MBD technology creates is processing object.First should complete the establishment to model by using MBD technology, during creating, because blade belongs to curved surface complexity parts, need to create substantial amounts of surface point, put structure line, line builds face, the method for face construct completes.First reading in the coordinate figure of blade table cake now by use program, create line and face the most again, the method eventually through face construct completes the establishment to leaf model；In the above process, model set up the typing needing a large amount of points, thousands of point coordinates are read in by automatic now by program, and complete automatically creating a little, and then by coding, the point that utilization is created completes line, face, the establishment of body；
After completing the establishment of model, need to apply MBD technology to define all kinds of machining information in the three-dimensional model, including physical dimension.Tolerance dimension, now completes the definition of MBD model；During this follow-up " lookup feature " and " establishment feature process ", machining information is also the reference standard in comparison process；
Step 6:
Search feature." lookup feature " is selected to order the lookup of feature included in blade pair in Computer aided building instrument.In the Computer aided building instrument doing secondary development, by selecting " lookup feature " menu instructions, now program will be run automatically on backstage, solid to be processed is carried out aspect ratio to inspection, complete after feature searches, by pop-up dialogue box and list the feature classification identified wherein；It is simple to operate, is improve the work efficiency of staff by the automatic decision of program and identification.
Step 7:
Create processing technique.After selecting identified feature, by selecting " establishment processing technique " order to be automatically created process operation by knowing another characteristic, complete the generation of cutter rail；After selecting known another characteristic, then " establishment processing technique " menu instructions customized in selecting, now by pop-up dialogue box, this dialog box lists all of processing rule, the now order of " determination " in user by selecting dialog box, the establishment of process operation, and the loading of operation resource will be automatically performed；After completing the establishment of process operation, the process operation that user by selecting is created, select " generating cutter rail " order by shortcut menu, the generation to cutter rail will be completed；Order is order intrinsic in Computer aided building work " to generate cutter rail ", and non-customized exploitation generates.
Step 8:
Post processing.The cutter rail program generated is carried out post processing.Select the processing cutter rail generated in step 7, by selecting " post processing " to order, complete the post processing to cutter rail.Code now can directly run on machining tool；" post processing " order is intrinsic instruction in Computer aided building instrument, non-customized exploitation；Its operational approach is consistent with general post-process treatment method.
Step 9:
Clamping blank.The cutter rail program generated is sent to the four shaft vertical milling machines equipped with blade blank.It is consistent with general processing method that this program sends process, can be transmitted by flash memory or network.
Step 10:
Machine tooling.By this kind of method, blade clamping is made to have the workbench of Double-head, two head synchronous rotaries, use screw type processing mode in the milling process of blade, and clamped one time avoids the error repeatedly installed, simultaneously equipped with multiple sensors on lathe, the motion conditions of real-time detection main shaft, simultaneously by the establishment of command adapted thereto, can program be adjusted by information intelligent that sensor returns, such as, the relative position of each cutter location of sensor acquisition can be passed through and compare.
The present invention is compared with prior art, there is following obvious prominent substantive distinguishing features and significant technological progress: the method is expanded definition process operation template set and operation resource storehouse and processing knowledge base on the basis of existing CAM instrument, routine call all kinds of process operation templates and operation resource is passed through in processing knowledge base, through certain knowledge reasoning, process operation is automatically created for processing blade, then program is carried out post processing, send it to the vertical four axle lathes equipped with there being Double-head be processed, machining information can be obtained so that debugging routine by sensor in the course of processing in good time.The application of the method makes programming personnel improve work efficiency in programming process in the future, it is to avoid the repetitive operation to maturation process, it is simple to enterprise's storage to maturation process, is the most also beneficial to blade processing quality is effectively ensured.
Accompanying drawing explanation
Fig. 1 is the intelligence manufacture method system Organization Chart of a kind of fan blade of the present invention.
Fig. 2 is the intelligence manufacture method flow diagram of a kind of fan blade of the present invention.
Fig. 3 is the intelligence manufacture method lathe operating diagram of a kind of fan blade of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing and preferred embodiment, technical scheme is described in further detail.
Embodiment one:
See Fig. 1-Fig. 3, the intelligence manufacture method of this fan blade is characterized in that by processing knowledge base defined in Computer aided building instrument, operation resource storehouse, the leaf model created by application MBD technology is carried out the establishment of feature identification rule and feature machining rule, the intelligence establishment of the identification to leaf characteristic and blade processing technique is completed by program, then program transmission is processed to the vertical four-axis milling machine equipped with Double-head and sensor, by this kind of mode, on the one hand the leaf quality of processing is made to be guaranteed, on the other hand, realize the automatic feedback of machining information and the automatic execution of related command, thus realize blade processing programming intellectuality and the intellectuality of blade processing manufacture.Its operating procedure is: the process operation type may used during blade processing is defined on ad-hoc location as process operation template set by (1) in the form of a file；(2) tool type may used during blade processing, machine tool type are defined on ad-hoc location in the form of a file as operation resource storehouse；(3) existing vaned all kinds of architectural features are analyzed, by applied topology rule and program language, each category feature is described, and define the processing method applied for different features the most simultaneously, i.e. process operation type, and the cutting parameter in the course of processing, such as main shaft speed etc..This document is placed ad-hoc location as processing knowledge base；(4) in CAM instrument, menucommand is created, including: search feature and create processing technique two order." lookup feature " order carries out the lookup of feature by calling processing knowledge base to blade；" establishment processing technique " order is by calling the leaf characteristic for having searched and create process operation process operation template set, processing knowledge base, operation resource storehouse, and be automatically performed the generation of cutter rail.(5) being opened in CAM instrument and specify blade by the leaf model that application MBD technology creates is processing object；(6) " lookup feature " is selected to order the lookup of feature included in blade pair in Computer aided building instrument；(7), after selecting identified feature, by selecting " establishment processing technique " order to be automatically created process operation by knowing another characteristic, the generation of cutter rail is completed；(8) the cutter rail program generated is carried out post processing；(9) the cutter rail program generated is sent to the four shaft vertical milling machines equipped with blade blank；(10) by the course of processing of detection blade that can be real-time to the application of sensor on this milling machine, and feedback information is collected and responds, the processing completing blade of intelligence.
Embodiment two: the present embodiment is essentially identical with embodiment one, and special feature is as follows:
(1) the process operation type may used during blade processing is defined on ad-hoc location in the form of a file as process operation template set.When realizing the intelligence manufacture method of this blade, existing Computer aided building instrument is extended definition.In general Computer aided building instrument, need to create lathe coordinate system as a part need to carry out the establishment of numerical control knife rail, create primitives, create cutter, create some row steps such as process operation, step is relatively complicated.
(2) tool type may used during blade processing, machine tool type are defined on ad-hoc location in the form of a file as operation resource storehouse.During creating cutter rail for each type component, it is generally required to manual selects for each type component or creates new cutter, its process is the most intelligent, and the cutter may used in the course of processing by all kinds of blades by the method, lathe, fixture carry out sorted generalization, realized the automatic screening of all kinds of operation resource (cutter, lathe, fixture) by coding.
(3) existing vaned all kinds of architectural features are analyzed, by applied topology rule and program language, each category feature is described, and define the processing method applied for different features the most simultaneously, i.e. process operation type, and the cutting parameter in the course of processing, such as main shaft speed etc..This document is placed ad-hoc location as processing knowledge base.
(4) in CAM instrument, menucommand is created, including: search feature and create processing technique two order." lookup feature " order carries out the lookup of feature by calling processing knowledge base to blade；" establishment processing technique " order is by calling the leaf characteristic for having searched and create process operation process operation template set, processing knowledge base, operation resource storehouse, and be automatically performed the generation of cutter rail.
(5) being opened in CAM instrument and specify blade by the leaf model that application MBD technology creates is processing object.The MBD technology that this place is said is definition based on model (Model Based Definition) technology.
(6) " lookup feature " is selected to order the lookup of feature included in blade pair in Computer aided building instrument.
(7), after selecting identified feature, by selecting " establishment processing technique " order to be automatically created process operation by knowing another characteristic, the generation of cutter rail is completed.
(8) the cutter rail program generated is carried out post processing.
(9) the cutter rail program generated is sent to the four shaft vertical milling machines equipped with blade blank.It is consistent with general processing method that this program sends process, can be transmitted by flash memory or network.
(10) by the course of processing of detection blade that can be real-time to the application of sensor on this milling machine, and feedback information is collected and responds, the processing completing blade of intelligence.
Embodiment three: this enforcement is described as follows by figure:
Describe the system architecture of the method the most in FIG, the method is with existing CAM instrument as platform, after opening leaf model to be processed in CAM instrument, by specifying blade as processing object, first pass through custom menu call processing knowledge base blade is carried out feature lookup, check whether containing the feature included in this storehouse.By the comparison of existing feature and destination object in processing knowledge base, will identify that profile feedback, to CAM instrument, and lists identified feature in CAM instrument in the form of a list.
After completing the identification to leaf characteristic, select identified leaf characteristic, by selecting self-defining menucommand, create process operation for identified leaf characteristic, be now that processing rule in processing knowledge base is called.In processing knowledge base, may there is the storage of multiple processing scheme for same class feature.By the machining information on definition leaf model, such as: the information such as roughness are screened, can also define priority in processing knowledge base, required precision and processing cost according to different leaves are that each processing mode formulates corresponding priority simultaneously.
Geometric properties and the machining information of blade are compared by the application of processing knowledge base indeed through program, on the premise of identifying feature, it is characterized the corresponding process operation of establishment, it is achieved the automatization of process operation creates, i.e. the intelligence manufacture of blade by driven by program CAM instrument.
Regular instructions in blade processing knowledge base drives CAM instrument to create corresponding operation, on the one hand need to operate the support of template, because many action types are predefined in operation template, on the other hand the support in operation resource storehouse is needed, because in process operation, need to use the resources such as different cutter, fixture, lathe.
Describe utilization the method in fig. 2, first pass through geometry and the processing mode analyzing blade, the processing type arrived may be used such as: fixing axle processing, variable contour machine etc. during analyzing blade processing, all kinds of operation resources may used in trimming blade processing simultaneously, create process operation template set and operation resource storehouse.
Then the topology information to correlated characteristic effectively organizes arrangement, forms the feature identification rule in processing knowledge base.Processing knowledge base is mainly the description to processing object, leaf characteristic is stored in this processing knowledge base, and form feature identification rule, it is simultaneous for a certain category feature, processing rule is write for it, on the one hand consider its geological information when writing processing method, on the other hand need to make full use of processing and manufacturing information contained on MBD model.
Processing knowledge base is processed the establishment of rule, actually how to pass through Automatic Program for a certain category feature and create operation and add the arrangement of operation resource.When establishment processing rule, according to existing processing conditions and suitable blade processing strategy, each feature machining for blade formulates efficient Cutting Process and cutting parameter.The geological information of leaf model and manufacturing information therein should be taken into full account when working out Cutting Process and specifying cutting parameter, because containing processing and manufacturing information with MBD technology in leaf model, during creating process operation by processing knowledge base, on the one hand it is the comparison of geometric topology information, is on the other hand the comparison to the manufacturing information in the MBD model of blade.Automatically the manufacturing information on leaf model is read so that it is compare with the processing rule in processing knowledge base in CAM instrument.Such as: when being 0.4 for blade surface roughness, processing knowledge base should draw processing scheme 1 after knowledge reasoning, and automatically creates for it；For same blade, when blade surface roughness is 0.8, processing knowledge base should draw another processing scheme 2 after knowledge reasoning, then automatically creates in CAM instrument.For blade create processing cutter rail program step change create in the past cutter, create operation, specify cutting parameter tedious work, after the MBD model of blade is opened in CAM instrument, first specifying blade is solid to be processed, then by searching feature and creating the establishment that feature process two step completes to operate blade processing, the work efficiency of programming personnel is improved.
Fig. 3 describes this Intelligent Machining method and specifies the application on lathe, this lathe is completed the disposable clamping of blade by head one and head two, in the course of processing, two heads can realize synchronous rotary, effectively prevent the torsional deflection used caused by thimble, can effectively monitor the course of processing of blade at main shaft sensor installed above, it is ensured that the crudy of blade simultaneously, simultaneously in the course of processing, can effectively control lathe by the application of sensor and perform relevant instruction.
By this kind of method, on the one hand good processing technique can be preserved by enterprises with the form of knowledge, constantly expands perfect to this processing knowledge base in daily processing and manufacturing.Processing and manufacturing afterwards can make full use of the effect of this processing knowledge base, improve the work efficiency of programming personnel, it is to avoid some repetitive works.The parts held it are difficult to simultaneously for this more difficult to process, cutting parameter of blade, part working process parameter can be retained by this kind of mode, make the less personnel of programming experience can develop the program of better quality at short notice, on the other hand can effectively ensure that the crudy of blade, the development of enterprise, the beneficially development of China's aviation industry can be promoted as a whole.
Claims (11)
- null1. the intelligence manufacture method of a fan blade，It is characterized in that by processing knowledge base defined in Computer aided building instrument、Operation resource storehouse，The leaf model created by application MBD technology is carried out the establishment of feature identification rule and feature machining rule，The intelligence establishment of the identification to leaf characteristic and blade processing technique is completed by program，Then program transmission is processed to the vertical four-axis milling machine equipped with Double-head and sensor，By this kind of mode，On the one hand the leaf quality of processing is made to be guaranteed，On the other hand，Realize the automatic feedback of machining information and the automatic execution of related command，Thus realize blade processing programming intellectuality and the intellectuality of blade processing manufacture，Its concrete operation step is: (1) creates process operation template set，The process operation type may used during blade processing is defined on given position in the form of a file as process operation template set；(2) create operation resource storehouse, the tool type may used, machine tool type are defined in the form of a file given position as operation resource storehouse during blade processing；(3) processing knowledge base is created, analyze existing vaned all kinds of architectural features, by applied topology rule and program language, each category feature is described, and define the processing method applied for different features the most simultaneously, i.e. process operation type, and the cutting parameter in the course of processing, this document is placed given position as processing knowledge base；(4) create menucommand, CAM instrument creates menucommand, including: search feature and create processing technique two order；" lookup feature " order carries out the lookup of feature by calling processing knowledge base to blade；" establishment processing technique " order is by calling the leaf characteristic for having searched and create process operation process operation template set, processing knowledge base, operation resource storehouse, and be automatically performed the generation of cutter rail；(5) specifying processing object, being opened in CAM instrument and specify blade by the leaf model that application MBD technology creates is processing object；(6) search feature, select " lookup feature " to order the lookup of feature included in blade pair in Computer aided building instrument；(7) create processing technique, after selecting identified feature, by selecting " establishment processing technique " order to be automatically created process operation by knowing another characteristic, complete the generation of cutter rail；(8) post processing, carries out post processing to the cutter rail program generated；(9) clamping blank, sends the cutter rail program generated to the four shaft vertical milling machines equipped with blade blank；(10) machine tooling, by the course of processing of detection blade that can be real-time to the application of sensor on this milling machine, and is collected feedback information and responds, the processing completing blade of intelligence.
- The intelligence manufacture method of a kind of fan blade the most according to claim 1, it is characterized in that, described step (1) creates process operation template set, the process operation type may used during blade processing is defined on ad-hoc location in the form of a file as process operation template set, when realizing the intelligence manufacture method of this blade, being extended definition in existing Computer aided building instrument, it specifically comprises the following steps thatBy the action type of fan blade is carried out induction and conclusion, sort out its required process operation type, die cavity milling, fixed-lag Kalman smoother, flexible shaft profile milling action type, with the formal definition of file template under the mounted specific installation path of Computer aided building instrument, this path is the store path of computer, the position definition in this path being referred to mounted Computer aided building instrument is defined, the file comprising various process operation type is placed under this path so that calling in follow-up use, process operation template set i.e. comprises multiple files of process operation type.
- The intelligence manufacture method of a kind of fan blade the most according to claim 1, it is characterized in that, described step (2) creates operation resource storehouse, the tool type may will used during blade processing, machine tool type is defined on ad-hoc location in the form of a file as operation resource storehouse, during creating cutter rail for each type component, and the cutter all kinds of blades may used in the course of processing by the method, lathe, fixture carries out sorted generalization, all kinds of operation resource cutter is realized by coding, lathe, the automatic screening of fixture, it concretely comprises the following steps:First, geometric properties according to all kinds of blades being likely encountered in real work and processing technique, sort out the cutter that may use, machine tool type, fixture operation resource, it is respectively all kinds of operation resources and creates three complementary files, from the point of view of cutter: in complementary file 1, storage is the attribute information of all kinds of cutter, including the geometric model of cutter needed for different parameter values, the diameter of cutter, the length of cutter, the storage of complementary file 2 is the handling function screening different cutters, store in complementary file 3 is the style definitions of in use dialog box, which includes the definition of property value quantity in dialog box, i.e. definition needs the property value occurred in the user interface；Then Miscellaneous Documents defined above is positioned in specific path, in order to during subsequent use, all kinds of operation resources are called.
- The intelligence manufacture method of a kind of fan blade the most according to claim 1, it is characterized in that, described step (3) creates processing knowledge base, analyze existing vaned all kinds of architectural features, by applied topology rule and program language, each category feature is described, and defines the processing method applied for different features the most simultaneously, i.e. process operation type, and the cutting parameter in the course of processing, this document is placed given position as processing knowledge base；Different leaf structures will describe containing different structures, i.e. structure definition, when using this Intelligent Machining method, needs to first look for feature, and geometry entity that will be to be processed compares with the storage class in processing knowledge base；So first processing knowledge base should be defined, it concretely comprises the following steps:Blade containing different types of structure is carried out feature division blade and may contain leading edge, trailing edge, leaf basin, blade back, after the different characteristic of different leaves is divided, it is described by program language according to topology rule or other rules, after completing description thereof, the file comprising descriptive statement is placed on ad-hoc location, and become processing knowledge base by comprising the file that each category feature is described, the topology rule wherein carried refers to a kind of rule to each essential factors space location expression, artificial definition can be carried out, and program language refers to general computer language；After completing the definition to each category feature, the process operation method of each category feature and the operation resource used need to be defined, the i.e. processing rule of indication, being to carry out object screening in the way of program equally, the construction features of combining target feature is that it automatically creates process operation type and loads operation resource；In the compilation process of blade processing knowledge rule, every processing knowledge rule is by input feature vector and the definition of output characteristic: the processing of blade needs three process, then when carrying out second operation work operation and creating, want the second processing rule successfully applied in processing knowledge base, then the input feature vector of second operation work should be the output characteristic of first operation, the output characteristic of second operation work should be the input feature vector of three process, feature can be specially now blank state in which or geometric shape, only input feature vector and output characteristic is consistent with processing knowledge rule, this rule its is possible to be applied to current signature, if input feature vector and output characteristic mate, then start to compare the manufacturing information of leaf characteristic, screen one by one in processing knowledge base in this way, final acquisition is best suitable for the processing rule of this feature；During screening processing rule, it is possible that a plurality of qualified rule, now, by defining different priority, relatively low its priority of mode of processing cost is higher, in the case of i.e. there is a plurality of processing rule, and the lower-cost processing mode of prioritizing selection；After completing the screening to processing knowledge rule in processing knowledge base, driving Computer aided building instrument is that this feature creates corresponding action type by this processing knowledge rule, during creating action type, specifies a series of cutting parameter value simultaneously；Containing recognition rule and the processing rule of all kinds of leaf characteristic in processing knowledge base, wherein, the topology information of each category feature is mainly compared by feature identification rule, judges whether to contain in blade discernible feature with this；Processing rule is to be characterized as that it defines operation resource, action type, cutting parameter information for identified；Computer aided building instrument is enable to be characterized establishment operation automatically；Processing knowledge base is operation resource storehouse, processes the bridge that template set is connected with Computer aided building instrument；Processing knowledge base is processed the definition of rule, contain the comparison of the manufacturing information to feature, identify that feature need to comprise corresponding machining information: surface roughness, physical dimension, processing defined in the processing rule of knowledge base the application conditions of this rule, operating condition, tool-information, wherein application conditions contains the scope of this rule application: the surface roughness value of leaf characteristic need to be more than 6.3；Tool-information defines the screening conditions of cutter in this rule: blade will use ball head knife, and the radius of ball head knife need to be less than the surface minimum diameter of leaf characteristic；Operating condition defines for action type required during this feature establishment process operation, cutting parameter.
- The intelligence manufacture method of a kind of fan blade the most according to claim 1, it is characterised in that described step (4) creates menucommand, creates menucommand in CAM instrument；Including: searching feature and create processing technique two order, " lookup feature " order carries out the lookup of feature by calling processing knowledge base to blade；" establishment processing technique " order is by calling the leaf characteristic for having searched and create process operation process operation template set, processing knowledge base, operation resource storehouse, and be automatically performed the generation of cutter rail；It concretely comprises the following steps:Secondary development is carried out in used Computer aided building instrument, complete the menu of Computer aided building instrument is extended by using computer language to write corresponding programmed instruction, defined menu comprises " lookup feature " and " establishment processing technique " two orders；Ad-hoc location need to be placed it in so that effectively managing for the application definition file needed for secondary development, corresponding process operation template set defined previously, operation resource storehouse and processing knowledge base is answered when above two menu instructions are defined, the screening to types of objects and loading is realized by program statement, after i.e. completing the screening of destination object, instruct by clicking on " determination " in defined dialog box, automatically the object screened should be loaded onto in processing environment and create and use；When defining " lookup feature " instruction, object to be processed is mainly compared with the defined characteristic type processed defined in knowledge base before by it by coding, if able to comparison success, the successful feature of comparison i.e. identified feature will be listed with the form of dialog box, then being confirmed by selection, the feature identified will be listed in processing work environment automatically in the form of a list；For the definition of " establishment processing technique " menu instructions, mainly according to identified characteristic attribute and feature, it is processed the automatic loading of action type and operation resource；Quoting the process operation template set defined before when now creating process operation type；And the automatic loading of operation resource, it is then that the machining information treated included in machining feature by program is compared with the operation resource in operation resource storehouse, after finding suitable operation resource, to automatically be loaded onto in processing environment, thus avoid and artificial go manual creation, substantially increase the work efficiency of staff, it is achieved thereby that intelligent；This feature essentially consists in develops customization by program to original Computer aided building instrument, it is achieved call the library file defined before.
- The intelligence manufacture method of a kind of fan blade the most according to claim 1, it is characterized in that, described step (5) specifies processing object, being opened in CAM instrument and specify blade by the leaf model that application MBD technology creates is processing object, and the MBD technology that this place is said is definition technology based on model；It concretely comprises the following steps；First the establishment to model should be completed by using MBD technology, during creating, because blade belongs to curved surface complexity parts, substantial amounts of surface point need to be created, having put structure line, line builds face, the method for face construct completes, and first reads in the coordinate figure of blade table cake now by use program, creating line and face the most again, the method eventually through face construct completes the establishment to leaf model；In the above process, model set up the typing needing a large amount of points, thousands of point coordinates are read in by automatic now by program, and complete automatically creating a little, and then by coding, the point that utilization is created completes line, face, the establishment of body；After completing the establishment of model, need to apply MBD technology to define all kinds of machining information in the three-dimensional model, including physical dimension, tolerance dimension, now complete the definition of MBD model；During this follow-up " lookup feature " and " establishment feature process ", machining information is also the reference standard in comparison process；After completing the definition of MBD model, it being opened in Computer aided building software, its process is similar with general File Open.
- The intelligence manufacture method of a kind of fan blade the most according to claim 1, it is characterized in that, described step (6) searches feature, " lookup feature " is selected to order the lookup of feature included in blade pair in Computer aided building instrument, it concretely comprises the following steps: in the Computer aided building instrument doing secondary development, by selecting " lookup feature " menu instructions, now program will be run automatically on backstage, solid to be processed is carried out aspect ratio to inspection, after completing feature lookup, by pop-up dialogue box and list the feature classification identified wherein；It is simple to operate, is improve the work efficiency of staff by the automatic decision of program and identification.
- The intelligence manufacture method of a kind of fan blade the most according to claim 7, it is characterized in that, described step (7) creates processing technique, after selecting identified feature, by selecting " establishment processing technique " order to be automatically created process operation by knowing another characteristic, complete the generation of cutter rail；It concretely comprises the following steps: first, complete the identification to feature, after selecting known another characteristic, then " establishment processing technique " menu instructions customized in selecting, now by pop-up dialogue box, this dialog box lists all of processing rule, the now order of " determination " in user by selecting dialog box, the establishment of process operation, and the loading of operation resource will be automatically performed；After completing the establishment of process operation, the process operation that user by selecting is created, select " generating cutter rail " order by shortcut menu, the generation to cutter rail will be completed；Order is order intrinsic in Computer aided building work " to generate cutter rail ", and non-customized exploitation generates.
- The intelligence manufacture method of a kind of fan blade the most according to claim 1, it is characterised in that described step (8) post processing, carries out mainly comprising the following steps of post processing to the cutter rail program generated:Selecting the processing cutter rail generated in claim 8, by selecting " post processing " to order, complete the post processing to cutter rail, code now can directly run on machining tool；" post processing " order is intrinsic instruction in Computer aided building instrument, non-customized exploitation；Its operational approach is consistent with general post-process treatment method.
- The intelligence manufacture method of a kind of fan blade the most according to claim 1, it is characterised in that described step (9) clamping blank, sends the cutter rail program generated to the four shaft vertical milling machines equipped with blade blank；It is consistent with general processing method that this program sends process, can be transmitted by flash memory or network.
- The intelligence manufacture method of 11. a kind of fan blade according to claim 1, it is characterized in that described step (10) machine tooling, by the course of processing of detection blade that can be real-time to the application of sensor on this milling machine, and feedback information is collected and responds, the processing completing blade of intelligence；General fan blade length is big, thickness is thin, vibration and torsional deformation is easily produced in the course of processing, by this kind of method, blade clamping is made to have the workbench of Double-head, two head synchronous rotaries, screw type processing mode is used in the milling process of blade, clamped one time avoids the error repeatedly installed, simultaneously equipped with multiple sensors on lathe, the motion conditions of real-time detection main shaft, simultaneously by the establishment of command adapted thereto, can program be adjusted by information intelligent that sensor returns, the relative position of each cutter location of sensor acquisition can be passed through and compare, or directly control the operating of lathe, the intellectuality of vane manufacturing is reached by this kind of mode；Computer aided building instrument is the basic platform that whole blade intelligence manufacture method is run, it is that Computer aided building instrument is extended by self-defining library file, Computer aided building instrument is driven to complete the intelligence establishment to blade processing operation automatically by the rule definition in processing knowledge base, thus complete the automatic establishment of blade processing program, it is then sent to specifying lathe, under the effect of sensor and Double-head, the crudy making blade is guaranteed, and realizes the intellectuality of the whole course of processing simultaneously.
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| CN105651216B (en) * | 2014-11-10 | 2018-08-03 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of no positioning reference plane blade parts coordinate system measurement method |
| JP6717795B2 (en) * | 2017-10-30 | 2020-07-08 | ファナック株式会社 | Integrated processing system, integrated processing method and program |
| CN109459976A (en) * | 2018-11-15 | 2019-03-12 | 哈尔滨汽轮机厂有限责任公司 | Turbine Blade Machining numerical control program preparation method |
| CN111159147A (en) * | 2019-12-09 | 2020-05-15 | 清华大学 | Entire impeller milling process knowledge base model based on Teamcenter platform |
| CN113295096A (en) * | 2020-02-24 | 2021-08-24 | 青岛海尔模具有限公司 | Workpiece machining device and method |
| CN111352398B (en) * | 2020-02-28 | 2023-08-25 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Intelligent precision machining unit |
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