CN104698980A - Method and system for controlling parametric processing of numerical control vertical lathe based on features - Google Patents
Method and system for controlling parametric processing of numerical control vertical lathe based on features Download PDFInfo
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- CN104698980A CN104698980A CN201510058165.9A CN201510058165A CN104698980A CN 104698980 A CN104698980 A CN 104698980A CN 201510058165 A CN201510058165 A CN 201510058165A CN 104698980 A CN104698980 A CN 104698980A
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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
- G05B19/4097—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 characterised by using design data to control NC machines, e.g. CAD/CAM
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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
- G05B2219/33—Director till display
- G05B2219/33001—Director is the nc controller, computer
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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
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35001—Data input, data handling, programming, monitoring of nc
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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
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35097—Generation of cutter path, offset curve
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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
- G05B2219/45—Nc applications
- G05B2219/45136—Turning, lathe
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Abstract
The invention provides a method and a system for controlling of a numerical control vertical lathe based on features. The method comprises the steps of S11, pre-assembling a parametric standard circulating module for processing a product to be processed, a global variable definition module for defining processing parameters; S12, determining a feature processing area in the product to be processed; S13, selecting some feature of the feature processing area, and determining the geometric parameters of the selected feature; S14, determining the cutting parameters of the selected features; S15, selecting a standard circulating program unit corresponding to the selected feature from the parametric standard circulating module, inputting the geometric parameters and cutting parameters of the feature, and generating the processing procedure for the selected feature, so as to finish the processing of the selected feature; repeating steps S13 to S15 until all features in the processing area of the features are processed. The method is high in generality, and the processing efficiency and quality can be increased.
Description
Technical field
The present invention relates to fields of numeric control technique, particularly relate to numerical control programming control technology field, be specially a kind of numerical control vertical lathe parametrization processing control method and system of feature based.
Background technology
Digital control programming method is generally divided into manual programming and automated programming two kinds of methods.Manual programming refers to technological process, data calculate, track is determined with program ver-ify etc. all by a kind of programmed method manually completed, for the complex parts that contour shape is not made up of simple straight line, circular arc, numerical evaluation is quite loaded down with trivial details, and workload is large, easily make mistakes, and be difficult to check and correction.Automated programming, also known as computer programming, namely completes numerical evaluation, Program Generating by computer generation for program composition personnel, can reduce labor intensity, shorten programming time, generally be used in enormous quantities, complex-shaped part.
Large-scale and the heavy slewing parts that numerical control vertical lathe converted products characteristic is mainly complex-shaped, numerical control vertical lathe mainly processes the positions such as its inside and outside round line, plane, step, and product remodels speed soon simultaneously, belongs to Single unit job lot production.The various of product type causes the various of job sequence, and the change of dimensional parameters, use cutter or a cutting depth sometimes will cause a new numerical control program generation.Our factory programmed method was mainly based on manual programming in the past, and everyone thinking is different with idea, and cause subroutine not possess versatility, operating personnel call very inconvenient, easily make mistakes.Programming personnel's inefficiency, pressure are large, and the cutter path of manual programming may exist idle motion, reduces production capacity.If adopt the method numerical programming of automated programming to found Vehicle Processing program, then easily produce cutter interference due to during slewing parts embedded SMA actuators, conventional computer programming software, as being difficult to consider in all kinds of CAM software, is not therefore suitable for very factoried production actual yet.
Nc standard loop program is a kind of technique subroutine, is widely used in digital control processing.As some the standard cycle subroutines carried in Siemens's programming software, can be used for specific process, as turning step, screw thread or groove etc.But it is suitable for large batch of part, and processing uses, and is more suitable for for horizontal NC lathe.
The numerical control vertical lathe machining prgraming used for the part processing for short run does not also have the control method that versatility is good at present.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of numerical control vertical lathe parametrization processing control method and system of feature based, for solving numerical control vertical lathe machining prgraming method poor universality, inefficient problem in prior art.
For achieving the above object and other relevant objects, the present invention provides a kind of numerical control vertical lathe parametrization processing control method of feature based on the one hand, be applied in the digital control system being configured with standard cycle functional module, described processing control method comprises: step S11, the non-parameterized standard loop module of user's specification race way prepackage for processing processed product in the standard cycle functional module of digital control system, the global variable definition module of machined parameters is defined when global variable defined range prepackage simultaneously in the standard cycle functional module of digital control system is for processing processed product, step S12, by analyzing drawing and the process program of processed product, determines the feature machining region in processed product, step S13, a certain feature of selected characteristic machining area, determines the geometric parameter of the feature chosen according to drawing, step S14, determines the cutting parameter of the feature chosen according to the material of processed product, the tool-information used and the geometric parameter of feature chosen, step S15, selects and the selected standard cycle program element corresponding to feature, the geometric parameter of input feature vector and cutting parameter, generates the job sequence being used for selected feature, complete the processing of selected feature in non-parameterized standard loop module, repeat step S13 to step S15, until complete the feature machining characteristic processing in region.
Preferably, generate the job sequence being used for selected feature, the body of tool that adds completing selected feature comprises: introduce outside geometric parameter and cutting parameter, composes variable initial value by global variable definition module defining variable name; By the outside geometric parameter introduced and cutting parameter, calculate feature other physical dimension and the data parameters that formed needed for cutter rail; Above-mentioned each parameter utilizes above-mentioned each parameter Tool-path Generation to cut route; Perform cutter rail and cut route, complete required cut.
Preferably, if the cutting parameter mistake of input or when forming each parameter error of cutter rail, the step of reporting to the police when being also included in the job sequence generated for selected feature, is carried out.
Preferably, non-parameterized standard loop module comprises multiple standard cycle program element for processed product processing.
Preferably, the geometric parameter determination tool-information of feature by choosing; Described tool-information at least comprises tool type, tool characteristics parameter and tool sharpening mode.
The present invention is providing a kind of numerical control vertical lathe parametrization control system for processing of feature based in addition on the one hand, be applied in the digital control system being configured with standard cycle functional module, described control system for processing comprises: non-parameterized standard loop module, be pre-installed on the user's specification race way in the standard cycle functional module of digital control system, for processing processed product; Global variable definition module, is connected with non-parameterized standard loop module, is pre-installed on the global variable defined range in the standard cycle functional module of digital control system, defines machined parameters during for processing processed product; Feature machining area determination module, by analyzing drawing and the process program of processed product, determines the feature machining region in processed product; The geometric parameter determination module of feature, for a certain feature of selected characteristic machining area, determines the geometric parameter of the feature chosen according to drawing; Cutting parameter determination module, determines the cutting parameter of the feature chosen for the material according to processed product, the tool-information used and the geometric parameter of feature chosen; Feature machining Program Generating and execution module, according to select in non-parameterized standard loop module with the geometric parameter of feature that inputs in the standard cycle program element corresponding to selected feature and cutting parameter, generate the job sequence being used for selected feature, complete the processing of selected feature.
Preferably, described feature machining Program Generating and execution module comprise: original definition unit, introduce outside geometric parameter and cutting parameter, compose variable initial value by global variable definition module defining variable name; Computing unit, is connected with described original definition unit, by the outside geometric parameter introduced and cutting parameter, calculate feature other physical dimension and the data parameters that formed needed for cutter rail; Cutter orbit making unit, is connected with described computing unit, cuts route with above-mentioned each parameter Tool-path Generation; Cutter rail cutting unit, is connected with described cutter orbit making unit, performs cutter rail and cuts route, complete required cut.
Preferably, the alarm unit of reporting to the police if carry out when generating the job sequence for selected feature when described feature machining Program Generating and execution module also comprise the cutting parameter mistake for inputting or form each parameter error of cutter rail.
Preferably, non-parameterized standard loop module comprises multiple standard cycle program element for processed product processing.
Preferably, the geometric parameter determination tool-information of feature by choosing; Described tool-information at least comprises tool type, tool characteristics parameter and tool sharpening mode.
As mentioned above, the numerical control vertical lathe parametrization processing control method of a kind of feature based of the present invention and system, have following beneficial effect:
In the numerical control vertical lathe parametrization processing control method and system of feature based of the present invention, numerical control programming personnel are made only to need to pay close attention to the characteristic feature in product structure, determine external parameter assignment situation and call corresponding standard cycle program element, just can speed-generating program, reach and alleviate programming personnel's burden, improve the object manufacturing working (machining) efficiency and quality.In addition, the present invention can also report to the police, and can point out some tool selection mistake or misprogrammeds, avoid the generation of produced on-site accident.
Accompanying drawing explanation
Fig. 1 is shown as the schematic flow sheet of the numerical control vertical lathe parametrization processing control method of feature based of the present invention.
Fig. 2 is shown as in the numerical control vertical lathe parametrization processing control method of feature based of the present invention the job sequence that can generate for selected feature, completes the schematic flow sheet of the processing of selected feature.
Fig. 3 is shown as the structural representation of the numerical control vertical lathe parametrization control system for processing of feature based of the present invention.
Fig. 4 is shown as the structural representation of feature machining Program Generating and execution module in the numerical control vertical lathe parametrization control system for processing of feature based of the present invention.
Element numbers explanation
1 control system for processing
11 non-parameterized standard loop modules
12 global variable definition modules
13 feature machining area determination module
The geometric parameter determination module of 14 features
15 cutting parameter determination modules
16 feature machining Program Generating and execution modules
161 original definition unit
162 computing units
163 cutter orbit making unit
164 cutter rail cutting units
165 alarm units
S11 ~ S24 step
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this instructions can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this instructions also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
The object of the present invention is to provide a kind of numerical control vertical lathe parametrization processing control method and system of feature based, for solving numerical control vertical lathe machining prgraming method poor universality, inefficient problem in prior art.Below by the principle of the numerical control vertical lathe parametrization processing control method and system that elaborate a kind of feature based of the present invention and embodiment, those skilled in the art are made not need creative work can understand numerical control vertical lathe parametrization processing control method and the system of a kind of feature based of the present invention.
first embodiment
The present embodiment provides a kind of numerical control vertical lathe parametrization processing control method of feature based, be applied in the digital control system being configured with standard cycle functional module, the numerical control vertical lathe parametrization processing control method of the feature based that the present embodiment proposes is a kind of based on design of part feature, only need can generate the numerical control vertical lathe programmed method of job sequence fast according to the change such as characteristic geometric dimension and production status (cutter parameters, the amount of feeding etc.) external parameter variable.
The numerical control vertical lathe parametrization processing control method of the feature based that the present embodiment proposes is by excavating the similarity of converted products structure, corresponding universal standard loop module has been worked out to common characteristic feature wherein, be prestored in machine tool control system, user only needs to change outside parametric variable and just can call these standard cycle modules and complete machined of different product same characteristic features.Particularly, as shown in Figure 1, described processing control method comprises the following steps.
Step S11, the non-parameterized standard loop module of user's specification race way prepackage for processing processed product in the standard cycle functional module of digital control system, defines the global variable definition module of machined parameters when the global variable defined range prepackage simultaneously in the standard cycle functional module of digital control system is for processing processed product.
Wherein, non-parameterized standard loop module comprises multiple standard cycle program element for processed product processing.In the present embodiment, the machining feature that covers at present of non-parameterized standard loop module is as shown in table 1.
Standard cycle program element list in table 1 non-parameterized standard loop module
| Unit name | Machining feature |
| QF_CYCLE11 | The roughing of all kinds of step |
| QF_CYCLE21 | The roughing of all kinds of straight trough |
| QF_CYCLE_XR21 | Blank has cast the roughing of straight trough or the semi-finishing of straight trough |
| QF_CYCLE_XR | Inner circle inclined-plane, inner circle circular arc and have the inner circle inclined-plane of arc transition |
| QF_QIFENG | The roughing of stator blade shroud groove |
| QF_QIFENG_J | The finishing of stator blade shroud groove |
Step S12, by analyzing drawing and the process program of processed product, determines the feature machining region in processed product.
Step S13, a certain feature of selected characteristic machining area, determines the geometric parameter of the feature chosen according to drawing.Particularly, after a certain feature of selected characteristic machining area, first according to detail drawing, the driving geological information in feature machining region should be extracted, determines the geometric parameter of the feature chosen.
Step S14, determines the cutting parameter of the feature chosen according to the material of processed product, the tool-information used and the geometric parameter of feature chosen.Particularly, in the present embodiment, the geometric parameter determination tool-information of feature by choosing; Described tool-information at least comprises tool type, tool characteristics parameter and tool sharpening mode etc.
Step S15, select in non-parameterized standard loop module and the selected standard cycle program element corresponding to feature, the geometric parameter of input external parameter and input feature vector and cutting parameter, generate the job sequence being used for selected feature, complete the processing of selected feature.
Particularly, as shown in Figure 2, in the present embodiment, generate the job sequence being used for selected feature, the body of tool that adds completing selected feature comprises the following steps:
Step S21, introduces external parameter, namely introduces outside geometric parameter and cutting parameter, composes variable initial value by global variable definition module defining variable name.
Step S22, by the outside geometric parameter introduced and cutting parameter, calculate feature other physical dimension and the data parameters that formed needed for cutter rail.
Step S23, above-mentioned each parameter utilizes above-mentioned each parameter Tool-path Generation to cut route.
Step S24, performs cutter rail and cuts route, complete required cut.
General needs feature machining region towards processed products has multiple feature to need processing, so after execution processes some features, should carry out judging whether that further feature needs processing in addition, namely then performs step S16.
Whether step S16, complete all feature machining in feature machining region, if complete all feature machining in feature machining region, terminates, and if not, then repeats step S13 to step S15, until complete the feature machining characteristic processing in region.
Carry out revising or devise if there is drawing after programming the situation that other feature structures similar products etc. can cause practical production status to change, or have selected different cutter, different processing mode, different cutting outputs etc. in process of production, can directly modify to corresponding external parameter (cutting parameter), nc program just can be general, significantly reduce the labour intensity of programming personnel, shorten the Operational preparation cycle.
In addition, in the present embodiment, if the cutting parameter mistake of input or when forming each parameter error of cutter rail, the step of reporting to the police when being also included in the job sequence generated for selected feature, is carried out.Like this, if be provided with the parameter of mistake or have input the tool-information of mistake in establishment or update routine process, program has warning message in the process of implementation and occurs, to remind programming personnel or machine operation personnel to correct in time, avoids the generation of produced on-site accident.
Particularly, warning message can be arranged according to actual needs, only illustrates in the present embodiment, please refer to following example.
66001: breakpoint is cut, coordinate points dimensional error.
66002: angle input error, meaningless or size is made mistakes.
66005: cutting tool choice is made mistakes or axial dimension mistake.
66006: gullet parameter is made mistakes.
66007: grooved 2, FAL_1 parameter is made mistakes, surplus is overproof or be negative value.
66008: parameter WIDG, DIAG, SPD, SPD_1, SPD_2, SPD_3 or R_SPD make mistakes or be negative value.
66009: breakpoint incision R_SPD parameter is made mistakes.
66010:DIAG parameter is made mistakes.
66011:WIDG parameter is made mistakes, and blade width is less than 3MM.
Further, in the present embodiment, after being also included in tool damage or lathe power-off supervisor reset case, breakpoint incision can be carried out, so-called breakpoint incision refers in processing individual features process if there is tool damage or lathe power-off supervisor reset case, processing place that program can be got back to before reset continues processing, and without the need to from the beginning re-executing.
Like this, breakpoint also can be used when the special circumstances such as power-off or program interrupt appear in lathe to cut the processing of functional realiey fast splicing, reach the object alleviating programming personnel's burden, improve manufacture working (machining) efficiency and quality.
This enforcement is for the program generation procedure of certain type IP inner casing numerical control vertical lathe processing step feature.
The enforcement prerequisite of the present embodiment is non-parameterized standard loop module and the global variable definition module that need be loaded into good feature based prepared in advance in the respective regions of digital control system, first, numerical control programming personnel are by analyzing IP inner casing roughing drawing and process program, feature structure wherein in identification, comprise the step-feature and straight trough feature etc. in the present embodiment, and select corresponding standard cycle program element.The corresponding standard cycle program element of step-feature is: QF_CYCLE11 (VARI, WIDG, DIAG, SPD_1, SPL_1, SPL_2, STA_1, SPD, SPL, R_SPD, R_SPL).
Then, determine the geometrical characteristic parameter needed for processing step feature, determine to use cutter, correlation parameter, tool sharpening mode etc. based on current cutter and processed product according to feature geometries information, determine the concrete numerical value of the cutting parameter of processed product feature, specifically as shown in table 2.
Table 2
Select the non-parameterized standard loop program unit that feature is corresponding, input corresponding external parameter, generate job sequence.The actual job sequence generated is as follows:
QF_CYCLE11(1，0，9，1704，0，224.8，ATAN2((1680-1200)/2，1651)，1680，-1)。
Visible, the program structure that the numerical control vertical lathe parametrization machining prgraming method employing feature based generates is clear, format specification, and programming personnel's workload is little, and work efficiency is high.For the multiple situation of different processing dimension, different process tool, different blank material etc., only corresponding parameter need be changed, can be all general, and there is warning and breakpoint incision function.
second embodiment
For realizing the numerical control vertical lathe parametrization processing control method of above-mentioned feature based, the present embodiment correspondence provides a kind of numerical control vertical lathe parametrization control system for processing of feature based, be applied in the digital control system being configured with standard cycle functional module, the numerical control vertical lathe parametrization control system for processing of the feature based that the present embodiment proposes is a kind of based on design of part feature, only need can generate the numerical control vertical lathe programing system of job sequence fast according to the change such as characteristic geometric dimension and production status (cutter parameters, the amount of feeding etc.) external parameter variable.
The numerical control vertical lathe parametrization control system for processing of the feature based that the present embodiment proposes is by excavating the similarity of converted products structure, corresponding universal standard loop module has been worked out to common characteristic feature wherein, be prestored in machine tool control system, user only needs to change outside parametric variable and just can call these standard cycle modules and complete machined of different product same characteristic features.
Particularly, as shown in Figure 3, in the present embodiment, described control system for processing 1 specifically comprises: the geometric parameter determination module 14 of non-parameterized standard loop module 11, global variable definition module 12, feature machining area determination module 13, feature, cutting parameter determination module 15 and feature machining Program Generating and execution module 16.
Non-parameterized standard loop module 11 is pre-installed on the user's specification race way in the standard cycle functional module of digital control system, for processing processed product; Non-parameterized standard loop module 11 comprises multiple standard cycle program element for processed product processing.
In the present embodiment, the machining feature of non-parameterized standard loop module 11 covering is at present as shown in table 3.
Standard cycle program element list in table 3 non-parameterized standard loop module 11
| Unit name | Machining feature |
| QF_CYCLE11 | The roughing of all kinds of step |
| QF_CYCLE21 | The roughing of all kinds of straight trough |
| QF_CYCLE_XR21 | Blank has cast the roughing of straight trough or the semi-finishing of straight trough |
| QF_CYCLE_XR | Inner circle inclined-plane, inner circle circular arc and have the inner circle inclined-plane of arc transition |
| QF_QIFENG | The roughing of stator blade shroud groove |
| QF_QIFENG_J | The finishing of stator blade shroud groove |
Global variable definition module 12 is connected with non-parameterized standard loop module 11, is pre-installed on the global variable defined range in the standard cycle functional module of digital control system, defines machined parameters during for processing processed product.
Feature machining area determination module 13, by analyzing drawing and the process program of processed product, determines the feature machining region in processed product.
The geometric parameter determination module 14 of feature, for a certain feature of selected characteristic machining area, determines the geometric parameter of the feature chosen according to drawing.Particularly, after a certain feature of selected characteristic machining area, first according to detail drawing, the driving geological information in feature machining region should be extracted, determines the geometric parameter of the feature chosen.
Cutting parameter determination module 15 determines the cutting parameter of the feature chosen for the material according to processed product, the tool-information used and the geometric parameter of feature chosen.Particularly, in the present embodiment, the geometric parameter determination tool-information of feature by choosing; Described tool-information at least comprises tool type, tool characteristics parameter and tool sharpening mode etc.
Feature machining Program Generating and execution module 16 according to select in non-parameterized standard loop module 11 with the geometric parameter of feature that inputs in the standard cycle program element corresponding to selected feature and cutting parameter, generate the job sequence being used for selected feature, complete the processing of selected feature.
Particularly, in the present embodiment, as shown in Figure 4, described feature machining Program Generating and execution module 16 comprise: original definition unit 161, computing unit 162, cutter orbit making unit 163, cutter rail cutting unit 164 and alarm unit 165.
Original definition unit 161 introduces outside geometric parameter and cutting parameter, composes variable initial value by global variable definition module 12 defining variable name.
Computing unit 162 is connected with described original definition unit 161, by the outside geometric parameter introduced and cutting parameter, calculate feature other physical dimension and the data parameters that formed needed for cutter rail.
Cutter orbit making unit 163 is connected with described computing unit 162, cuts route with above-mentioned each parameter Tool-path Generation.
Cutter rail cutting unit 164 is connected with described cutter orbit making unit 163, performs cutter rail and cuts route, complete required cut.
The effect of alarm unit 165 is: if the cutting parameter mistake of input or report to the police when generating the job sequence being used for selected feature when forming each parameter error of cutter rail.Like this, if be provided with the parameter of mistake or have input the tool-information of mistake in establishment or update routine process, program has warning message in the process of implementation and occurs, to remind programming personnel or machine operation personnel to correct in time, avoids the generation of produced on-site accident.
Particularly, the warning message of alarm unit 165 can be arranged according to actual needs, only illustrates in the present embodiment, please refer to following example.
66001: breakpoint is cut, coordinate points dimensional error.
66002: angle input error, meaningless or size is made mistakes.
66005: cutting tool choice is made mistakes or axial dimension mistake.
66006: gullet parameter is made mistakes.
66007: grooved 2, FAL_1 parameter is made mistakes, surplus is overproof or be negative value.
66008: parameter WIDG, DIAG, SPD, SPD_1, SPD_2, SPD_3 or R_SPD make mistakes or be negative value.
66009: breakpoint incision R_SPD parameter is made mistakes.
66010:DIAG parameter is made mistakes.
66011:WIDG parameter is made mistakes, and blade width is less than 3MM.
Further, in the present embodiment, after being also included in tool damage or lathe power-off supervisor reset case, breakpoint incision can be carried out, so-called breakpoint incision refers in processing individual features process if there is tool damage or lathe power-off supervisor reset case, processing place that program can be got back to before reset continues processing, and without the need to from the beginning re-executing.Like this, breakpoint also can be used when the special circumstances such as power-off or program interrupt appear in lathe to cut the processing of functional realiey fast splicing, reach the object alleviating programming personnel's burden, improve manufacture working (machining) efficiency and quality.
In addition, general needs feature machining region towards processed products has multiple feature to need processing, so after execution processes some features, should carry out judging whether that further feature needs processing in addition, so in the present embodiment, judging unit (being illustrated in figure) is also comprised in described feature machining Program Generating and execution module 16, for having judged whether all feature machining in feature machining region, if complete all feature machining in feature machining region, notify that described feature machining Program Generating and execution module 16 terminate to cut, such cutter rail cutting unit 164 terminates to cut, if not, then notify that described feature machining Program Generating and execution module 16 continue the further feature of processing processed product, until complete the feature machining characteristic processing in region.
This enforcement is for the program generation procedure of certain type IP inner casing numerical control vertical lathe processing step feature.
The enforcement prerequisite of the present embodiment is non-parameterized standard loop module 11 and the global variable definition module 12 that need be loaded into good feature based prepared in advance in the respective regions of digital control system.First, numerical control programming personnel are by analyzing IP inner casing roughing drawing and process program, and feature structure wherein in identification, comprises the step-feature and straight trough feature etc. in the present embodiment, and select corresponding standard cycle program element.The corresponding standard cycle program element of step-feature is:
QF_CYCLE11(VARI，WIDG，DIAG，SPD_1，SPL_1，SPL_2，STA_1，SPD，SPL，R_SPD，R_SPL)。
Then, determine the geometrical characteristic parameter needed for processing step feature, determine to use cutter, correlation parameter, tool sharpening mode etc. based on current cutter and processed product according to feature geometries information, determine the concrete numerical value of the cutting parameter of processed product feature, specifically as shown in table 4.
Table 4
Select the non-parameterized standard loop program unit that feature is corresponding, input corresponding external parameter, generate job sequence.The actual job sequence generated is as follows:
QF_CYCLE11(1，0，9，1704，0，224.8，ATAN2((1680-1200)/2，1651)，1680，-1)。
Visible, the program structure that the numerical control vertical lathe parametrization machining prgraming method employing feature based generates is clear, format specification, and programming personnel's workload is little, and work efficiency is high.For the multiple situation of different processing dimension, different process tool, different blank material etc., only corresponding parameter need be changed, can be all general, and there is warning and breakpoint incision function.
In sum, in the numerical control vertical lathe parametrization processing control method and system of feature based of the present invention, numerical control programming personnel are made only to need to pay close attention to the characteristic feature in product structure, determine external parameter assignment situation and call corresponding standard cycle program element, just can speed-generating program, reach and alleviate programming personnel's burden, improve the object manufacturing working (machining) efficiency and quality.In addition, the present invention can also report to the police, and can point out some tool selection mistake or misprogrammeds, avoid the generation of produced on-site accident.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a numerical control vertical lathe parametrization processing control method for feature based, be applied in the digital control system being configured with standard cycle functional module, it is characterized in that, described processing control method comprises:
Step S11, the non-parameterized standard loop module of user's specification race way prepackage for processing processed product in the standard cycle functional module of digital control system, defines the global variable definition module of machined parameters when the global variable defined range prepackage simultaneously in the standard cycle functional module of digital control system is for processing processed product;
Step S12, by analyzing drawing and the process program of processed product, determines the feature machining region in processed product;
Step S13, a certain feature of selected characteristic machining area, determines the geometric parameter of the feature chosen according to drawing;
Step S14, determines the cutting parameter of the feature chosen according to the material of processed product, the tool-information used and the geometric parameter of feature chosen;
Step S15, selects and the selected standard cycle program element corresponding to feature, the geometric parameter of input feature vector and cutting parameter, generates the job sequence being used for selected feature, complete the processing of selected feature in non-parameterized standard loop module;
Repeat step S13 to step S15, until complete the feature machining characteristic processing in region.
2. the numerical control vertical lathe parametrization processing control method of feature based according to claim 1, is characterized in that, generate the job sequence being used for selected feature, the body of tool that adds completing selected feature comprises:
Introduce outside geometric parameter and cutting parameter, compose variable initial value by global variable definition module defining variable name;
By the outside geometric parameter introduced and cutting parameter, calculate feature other physical dimension and the data parameters that formed needed for cutter rail;
Above-mentioned each parameter utilizes above-mentioned each parameter Tool-path Generation to cut route;
Perform cutter rail and cut route, complete required cut.
3. the numerical control vertical lathe parametrization processing control method of feature based according to claim 2, it is characterized in that, if the cutting parameter mistake of input or when forming each parameter error of cutter rail, when being also included in the job sequence generated for selected feature, carry out the step of reporting to the police.
4. the numerical control vertical lathe parametrization processing control method of feature based according to claim 1, is characterized in that, non-parameterized standard loop module comprises multiple standard cycle program element for processed product processing.
5. the numerical control vertical lathe parametrization processing control method of feature based according to claim 1, is characterized in that, by the geometric parameter determination tool-information of feature chosen; Described tool-information at least comprises tool type, tool characteristics parameter and tool sharpening mode.
6. a numerical control vertical lathe parametrization control system for processing for feature based, be applied in the digital control system being configured with standard cycle functional module, it is characterized in that, described control system for processing comprises:
Non-parameterized standard loop module, is pre-installed on the user's specification race way in the standard cycle functional module of digital control system, for processing processed product;
Global variable definition module, is connected with non-parameterized standard loop module, is pre-installed on the global variable defined range in the standard cycle functional module of digital control system, defines machined parameters during for processing processed product;
Feature machining area determination module, by analyzing drawing and the process program of processed product, determines the feature machining region in processed product;
The geometric parameter determination module of feature, for a certain feature of selected characteristic machining area, determines the geometric parameter of the feature chosen according to drawing;
Cutting parameter determination module, determines the cutting parameter of the feature chosen for the material according to processed product, the tool-information used and the geometric parameter of feature chosen;
Feature machining Program Generating and execution module, according to select in non-parameterized standard loop module with the geometric parameter of feature that inputs in the standard cycle program element corresponding to selected feature and cutting parameter, generate the job sequence being used for selected feature, complete the processing of selected feature.
7. the numerical control vertical lathe parametrization control system for processing of feature based according to claim 6, is characterized in that, described feature machining Program Generating and execution module comprise:
Original definition unit, introduces outside geometric parameter and cutting parameter, composes variable initial value by global variable definition module defining variable name;
Computing unit, is connected with described original definition unit, by the outside geometric parameter introduced and cutting parameter, calculate feature other physical dimension and the data parameters that formed needed for cutter rail;
Cutter orbit making unit, is connected with described computing unit, cuts route with above-mentioned each parameter Tool-path Generation;
Cutter rail cutting unit, is connected with described cutter orbit making unit, performs cutter rail and cuts route, complete required cut.
8. the numerical control vertical lathe parametrization control system for processing of feature based according to claim 6, it is characterized in that, the alarm unit of reporting to the police if carry out when generating the job sequence for selected feature when described feature machining Program Generating and execution module also comprise the cutting parameter mistake for inputting or form each parameter error of cutter rail.
9. the numerical control vertical lathe parametrization control system for processing of feature based according to claim 8, is characterized in that, non-parameterized standard loop module comprises multiple standard cycle program element for processed product processing.
10. the numerical control vertical lathe parametrization control system for processing of feature based according to claim 6, is characterized in that, by the geometric parameter determination tool-information of feature chosen; Described tool-information at least comprises tool type, tool characteristics parameter and tool sharpening mode.
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