CN106094732B - A kind of teeth processing route generating method of What You See Is What You Get - Google Patents

A kind of teeth processing route generating method of What You See Is What You Get Download PDF

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Publication number
CN106094732B
CN106094732B CN201610586445.1A CN201610586445A CN106094732B CN 106094732 B CN106094732 B CN 106094732B CN 201610586445 A CN201610586445 A CN 201610586445A CN 106094732 B CN106094732 B CN 106094732B
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technique
parts
cad file
machining locus
initialization
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CN106094732A (en
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代田田
龚澜希
恽筱源
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Shanghai Pak Chu Electronic Polytron Technologies Inc
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Shanghai Pak Chu Electronic Polytron Technologies Inc
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical 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
    • G05B19/4097Numerical 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
    • G05B19/4099Surface or curve machining, making 3D objects, e.g. desktop manufacturing
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/45Nc applications
    • G05B2219/45041Laser cutting

Abstract

The present invention relates to lasser cutting technical field, specifically a kind of teeth processing route generating method of What You See Is What You Get.Include the following steps: step 1: input cad file;Step 2: entity initialization;Step 3: judging whether to need the adding technology into entity initialization cad file, then go to step 4 in this way, otherwise go to step 5;Step 4: adding technology label;Step 5: judging whether entity initialization cad file needs to modify technique, then go to step 6 in this way, otherwise go to step 7;Step 6: carrying out geometric modification and technique label modification;Step 7: the parts pattern in computational entity initialization cad file is shown and machining locus;Step 8: output element graphical display and machining locus.The present invention compared with the existing technology, can geological information to part or process information make reversible modification and modify again;To the material object parts for having done kinds of processes processing, relatively reasonable graphical display and machining locus can be exported.

Description

A kind of teeth processing route generating method of What You See Is What You Get
Technical field
The present invention relates to lasser cutting technical field, the machining locus of specifically a kind of What You See Is What You Get is generated Method.
Background technique
It can usually involve the need for adding the part geometry shape of input by CAD in laser processing Some process, then regeneration is suitble to the machining locus of laser cutting.The process refers to: cutting to adapt to laser The processing characteristic cut is obtained and is preferably added with tool path optimization to some specific modifications that the geometry of part carries out Working medium amount.
Domestic general method is to achieve the purpose that process by directly modifying geometry at present, is done so Disadvantage is: 1) being directly modified to geometry, cause to modify irreversible, modify difficulty again to process;2) When modifying to figure, since figure and technique have been integrated, process is also modified;3) it is needing to add Reasonable processing cannot be compatible with when adding kind of process.
Summary of the invention
The present invention in order to overcome the deficiencies of the prior art, designs a kind of teeth processing route generating method of What You See Is What You Get, can be with Geological information or technology process processing information to part make reversible modification and modify again, while can be compatible with kinds of processes Processing.
To achieve the above object, a kind of teeth processing route generating method of What You See Is What You Get is designed, it is characterized in that including as follows Step:
(1) step 1: the cad file of parts to be processed is inputted;
(2) entity initialization step 2: is carried out to parts to be processed in cad file;
(3) step 3: judge whether to need the adding technology into entity initialization cad file, then go to step 4 in this way, otherwise Go to step 5;
(4) step 4: into the entity initialization cad file for need adding technology, adding technology is marked;
(5) step 5: judging whether entity initialization cad file needs to modify technique, then goes to step 6 in this way, otherwise turns to walk Rapid 7;
(6) step 6: geometric modification is carried out to the entity initialization cad file for needing to modify technique respectively and technique marks Modification;
(7) step 7: the parts pattern in computational entity initialization cad file is shown and machining locus, and due to part drawing Shape show with machining locus generate used in rule it is consistent, so the curve of parts pattern and the complete phase of the curve of machining locus Together;
(8) step 8: output element graphical display and machining locus.
Part initialization comprises the following processes in the step 2:
(1) material object parts are created to parts to be processed, wherein the material object parts refer to the geological information to part With the record of technique information;
(2) with the geometry of geological information record part;
(3) process to be added is needed with the form record part of technique label, wherein technique label includes at technique All relevant parameters that the type and addition process needs of reason are used;
(4) geometry for analyzing part carries out the initialization of technique information, automatically generates and adds some most basic Technique label.
The technique added in the step 3 is to introduce Wiring technology, cutting gap compensation technique, micro- even technique, cross cutting process, rounding Any one of angle technique, separation angle technique, wedge angle ring cutting technique are whole.
Geometric modification and technique label modification carry out respectively in the step 6, are independent of each other.
It is to calculate material object parts in conjunction with the geometry of part and its technique label that parts pattern, which is shown, in the step 7 Display figure;It needs to calculate in conjunction with the geometry of part and its technique label when in the step 7 to part trajectory calculation Machining locus after generating adding technology.
The present invention compared with the existing technology, can geological information to part or process information make reversible modification and It modifies again;Individually geological information or technique mark information are made an amendment and will not be influenced each other;To done kinds of processes processing zero Part entity, it may be considered that calculated, exported relatively reasonable to the priority between each process and the relationships such as influence each other Graphical display and machining locus.
Detailed description of the invention
Fig. 1 is work flow diagram of the invention.
Fig. 2 is the schematic diagram of embodiment one in the present invention.
Fig. 3 is the schematic diagram of embodiment two in the present invention.
Fig. 4 is the schematic diagram of embodiment three in the present invention.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
In the use of the present invention, the information of material object parts can be divided into geological information and technique label letter in cad file Two parts are ceased, record the geometry and process setting of part respectively;It can't change to part setting technique simultaneously several What information, but corresponding technique label is added in material object parts;When showing to material object parts, part can be combined The output that geometry and its technique mark two parts information to be shown, that is, the part shape after showing adding technology;Right When material object parts carry out the output of machining locus, the geological information and technique mark information of part are combined with same rule, it is defeated The machining locus after technique has been added out.
Meanwhile software can initialize each of cad file part after importing cad file;It initialized Journey includes: the material object parts that the part 1) is created to each part, thus to the geological information and technique information of part It is recorded;2) with the geometry of geological information record part;3) it is needed with the form record part of technique label to be added Process, and all relevant parameters that type of the technique label comprising process and addition process needs are used; 4) geometry for analyzing part carries out the initialization of technique information, automatically generates and adds some most basic technique labels;
During the modification to part, it is characterized in that: 1) being needed to carry out technique to part according to actual processing in user The addition of processing when being deleted or modified, can only mark the technique in technique information and be added, delete and modify, will not be right Geological information has any influence;2) when user carries out modification geometrically to part, the geological information of part can be only modified, no There can be any influence to technique information;
Finally shown and feature when machining locus in calculating parts pattern are as follows: 1) when to material object parts show, Two parts information can be marked in conjunction with the geometry of part and its technique, calculate the display figure of material object parts.For convenience User intuitively observes, and can show what the geometry lines of process auxiliary line generated and part itself were distinguished Come, such as represents different geometry lines with different colours or not synteny;2) the defeated of machining locus is being carried out to material object parts When out, two parts information can be marked in conjunction with the geometry of part and its technique, calculate the processing for generating and having added after technique Then track is exported;3) it once the geological information or technique information of material object parts produce any variation, can all weigh Newly calculate and refresh display figure and the machining locus output of material object parts;4) generation of the display of material object parts and machining locus The rule used is consistent, the curve of generation be also it is identical, seen part shows that figure is resulting processing Track;5) in the case where in the technique information of material object parts containing kinds of processes label, when calculating, can consider between technique label The relationship that influences each other, technique label and the relationship that influences each other of part geometry, generate more reasonable part show figure and plus Work track.
Embodiment one:
In the beginning and end of processing due to perforate or laser is unstable in laser cutting, slot has overlapping etc. Reason, cut quality it is difficult to ensure that, to guarantee the smooth smoothness of parts profile, it is general using addition secondary process route as profile The beginning and end of cutting makes laser cutting path cut the method cut out other than profile, exactly leads in/out at Wiring technology Reason.
As shown in Fig. 2, part original image is the gear shape drawn with solid line, the technique of addition is drawing of being drawn in phantom Enter line, technique mark information are as follows: process is lead-in;Lead form is circular arc introducing, wire length 10mm, introduction point It induces one a little for such as figure.Figure such as can be generated automatically according to the information for introducing Wiring technology label when then calculating display and machining locus to introduce Line.Geological information or introducing Wiring technology label to the material object parts can all regenerate new display result after making any modification And machining locus.
Embodiment two:
In laser cutting, since laser facula has certain width, when being cut according to part geometry shape, actually obtain Part size can than the undersized on drawing, solution be usually by machining locus one slot radius value of offset come into Row compensation, as cutting gap compensation.
If Fig. 3 is the example of a cutting gap compensation process: part original image is the gear shape drawn by solid line, is added After adding cutting gap compensation, being formed by new machining locus is shown in dotted line.Geological information or lead-in work to the material object parts Skill label can all regenerate new display result and machining locus after making any modification.
Embodiment three:
It, can be first according to cutting gap compensation if a material object parts exist simultaneously cutting gap compensation technique and lead in/out Wiring technology Calculation calculate auxiliary equal space line, then lead line is added to auxiliary equal space line.It is last the result is that leading in/out Line, which adds, to be applied in cutting gap compensation auxiliary line, is the reasonable treating method of comparison that can satisfy actual processing demand in this way.
As shown in figure 4, be one while being added to the part of cutting gap compensation and lead-in, the shape of part script such as solid line Drawn, the machining locus after adding lead-in and cutting gap compensation technique is drawn as dashed lines, it is seen that the method marked with technique The relationship that influences each other being considered that between technique label when kinds of processes exists simultaneously, reasonably generates final processing Track.

Claims (4)

1. a kind of teeth processing route generating method of What You See Is What You Get, it is characterized in that including the following steps:
(1) step 1: the cad file of parts to be processed is inputted;
(2) step 2: judge parts to be processed whether be
(2) entity initialization step 2: is carried out to parts to be processed in cad file;
(3) step 3: judge whether to need the adding technology into entity initialization cad file, then go to step 4 in this way, otherwise turn to walk Rapid 5;
(4) step 4: into the entity initialization cad file for need adding technology, adding technology is marked;
(5) step 5: judging whether entity initialization cad file needs to modify technique, then goes to step 6 in this way, otherwise goes to step 7;
(6) geometric modification and technique label modification step 6: are carried out respectively to the entity initialization cad file for needing to modify technique;
(7) step 7: the parts pattern in computational entity initialization cad file is shown and machining locus, and since parts pattern is aobvious Show that rule used in generating with machining locus is consistent, so the curve of parts pattern is identical with the curve of machining locus;
(8) step 8: output element graphical display and machining locus;
Include the following steps: in the step 4
S41 then executes S42 when part needs to add lead-in, then executes S43 when part needs to carry out cutting gap compensation, when Part needs while adding lead-in and cutting gap compensation then executes S44;
S42 imports lead-in with arc form, and the length of the lead-in is 10mm;
S43 deviates machining locus using a slot radius value as distance;
Machining locus is deviated, is then imported with arc form first, in accordance with a slot radius value as distance by S44 Lead-in.
2. a kind of teeth processing route generating method of What You See Is What You Get as described in claim 1, it is characterized in that zero in the step 2 Part initialization comprises the following processes:
(1) material object parts are created to parts to be processed, wherein the material object parts refer to the geological information and work to part The record of skill information;
(2) with the geometry of geological information record part;
(3) process to be added is needed with the form record part of technique label, wherein technique label includes process All relevant parameters that type and addition process needs are used;
(4) geometry for analyzing part carries out the initialization of technique information, automatically generates and adds some most basic techniques Label.
3. a kind of teeth processing route generating method of What You See Is What You Get as described in claim 1, it is characterized in that: in the step 6 Geometric modification and technique label modification carry out respectively, are independent of each other.
4. a kind of teeth processing route generating method of What You See Is What You Get as described in claim 1, it is characterized in that: in the step 7 It is to calculate the display figure of material object parts in conjunction with the geometry of part and its technique label that parts pattern, which is shown,;The step 7 In to part trajectory calculation when need in conjunction with part geometry and its technique label, calculate generate adding technology after processing Track.
CN201610586445.1A 2016-07-25 2016-07-25 A kind of teeth processing route generating method of What You See Is What You Get Active CN106094732B (en)

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CN111489614A (en) * 2019-01-29 2020-08-04 天津师范大学 CAD auxiliary teaching method based on forming process analysis

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EP1665103B1 (en) * 2003-09-11 2008-04-09 Autoform Engineering Gmbh Determination of a model of a geometry of a metal sheet forming stage
EP2231992A1 (en) * 2007-12-05 2010-09-29 Halliburton Energy Services, Inc. Method and apparatus to improve design, manufacture, performance and/or use of well tools
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CN103056625A (en) * 2012-12-29 2013-04-24 中国人民解放军总参谋部第六十研究所 Integral impeller 5-axis machining method based on UG NX system platform
CN103412515A (en) * 2013-08-26 2013-11-27 济南铸造锻压机械研究所有限公司 CAM system and machining method of servo numerical control press
CN103955167A (en) * 2014-05-06 2014-07-30 南京航空航天大学 Numerical control machining tool feeding and retracting track interference check method based on dynamic visualization
CN104375464A (en) * 2014-11-12 2015-02-25 南京航空航天大学 Aircraft skin milling efficient machining path automatic generating method
CN104875104A (en) * 2015-05-14 2015-09-02 常州大思世成机电科技有限公司 Wheel hub irregular curved surface polishing method based on CAD/CAM technologies
CN105447284A (en) * 2016-01-13 2016-03-30 上海振华重工(集团)股份有限公司 Technical allowance adding method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1665103B1 (en) * 2003-09-11 2008-04-09 Autoform Engineering Gmbh Determination of a model of a geometry of a metal sheet forming stage
EP2231992A1 (en) * 2007-12-05 2010-09-29 Halliburton Energy Services, Inc. Method and apparatus to improve design, manufacture, performance and/or use of well tools
CN102847767A (en) * 2012-09-17 2013-01-02 广西工学院 Punching processing quality control method of large-scale covering component
CN103056625A (en) * 2012-12-29 2013-04-24 中国人民解放军总参谋部第六十研究所 Integral impeller 5-axis machining method based on UG NX system platform
CN103412515A (en) * 2013-08-26 2013-11-27 济南铸造锻压机械研究所有限公司 CAM system and machining method of servo numerical control press
CN103955167A (en) * 2014-05-06 2014-07-30 南京航空航天大学 Numerical control machining tool feeding and retracting track interference check method based on dynamic visualization
CN104375464A (en) * 2014-11-12 2015-02-25 南京航空航天大学 Aircraft skin milling efficient machining path automatic generating method
CN104875104A (en) * 2015-05-14 2015-09-02 常州大思世成机电科技有限公司 Wheel hub irregular curved surface polishing method based on CAD/CAM technologies
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