CN107745515A - Towards melt molding and the numerical control code generating method and device of cutting Compound Machining - Google Patents
Towards melt molding and the numerical control code generating method and device of cutting Compound Machining Download PDFInfo
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- CN107745515A CN107745515A CN201711115270.7A CN201711115270A CN107745515A CN 107745515 A CN107745515 A CN 107745515A CN 201711115270 A CN201711115270 A CN 201711115270A CN 107745515 A CN107745515 A CN 107745515A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Abstract
Include the invention discloses a kind of towards melt molding and the numerical control code generating method and device of cutting Compound Machining, shown method：Receive the increasing material manufacturing numerical control code of model to be printed；Receive user's input subtracts manufacture process parameter, and the manufacture process parameter that subtracts includes cutting hierarchy number, represents to carry out to subtract the number of plies for increasing material before material every time, these layers are characteristic layer；For increasing material manufacturing numerical control code corresponding to each characteristic layer, the feature code of increasing material manufacturing is extracted from the increasing material manufacturing numerical control code, is substituted for the feature code for subtracting material manufacture；Generate and subtract material manufacture numerical control code corresponding to the characteristic layer；According to increasing material manufacturing numerical control code corresponding to each characteristic layer and subtract material manufacture numerical control code generation and increase and material and subtract the compound numerical control code of material.Compared to the mode detected again after the completion of traditional increasing material, the numerical control code generated using the present invention can obtain the more preferable model of surface quality.
Description
Technical field
The invention belongs to 3D printing field, more particularly to it is a kind of towards melt molding and the numerical control code of cutting Compound Machining
Generation method and device.
Background technology
Melt molding increasing material manufacturing can complete the shaping of parts with complex structures, but the surface quality of molding part is not high；Subtract
Material manufactures the surface quality that can improve molded part, but larger to the difficulty of processing of complex surface.Comprehensive increase and decrease material manufacture
The advantages of respective, the two is combined to the near-net-shape that both can be efficiently rapidly completed complex parts, machining accuracy can be ensured again,
There is critically important Research Significance.Especially in control method of machining path planning, unified numerical control code control how is automatically generated
Control equipment realizes that it is to be badly in need of research to increase material and subtract material process.
First, the course of work of the system of increasing material manufacturing at present is, using the electronic 3-D model designed, model is selected
Suitable fabrication orientation and thickness are selected, it is one group of orderly two-dimensional silhouette set that target three-dimensional, which is layered discrete, each layer
Two-dimensional silhouette be one section；Then, according to the two-dimensional silhouette information of every layer of section, adjusting process parameter, obtain and increase material
The numerical control code of the recognizable path planning track of manufacturing equipment, point-by-point processing can complete increasing material manufacturing individual layer processing procedure；
Finally, according to acquired every layer of numerical control code, scan track according to it and successively process, and glued each layer using different technique
Knot is together, you can obtains a complete threedimensional model entity.
Secondly, subtract material be produced by CAD (CAD) and manufacture (CAM) software, determine in advance cutter,
The parameter and standards such as processing technology, using digital control processing (CNC) module in UG, observation cutter is transported along track under graphics mode
It is dynamic, and modification is patterned, general point milling programing function is realized, so as to automatically generate processing journey on physical model
Sequence code simultaneously preserves, and then completes the systems such as control and drive shaft, feeding and do the operation such as milling, drilling.Anyway, material is increased
Ability of the manufacture with personalized labyrinth manufacture, but machined surface quality and precision deficiency；Subtract material manufacture with high-precision
Degree and high quality working ability, but it is relatively low to the working ability efficiency of labyrinth；Thus the processing for increasing material and subtracting material is integrated
Method progressively turns into study hotspot.Due to the complexity of increasing material manufacturing processing design of part, some work surfaces are being beaten completely
Finished surface is not easy after print, therefore, for the part of labyrinth, by the way of increasing that material is complete and subtracting material again, machined surface quality
Still it is difficult to ensure that with precision.
Complex parts surface quality and precision in increase and decrease material manufacturing process are how improved, is that those skilled in the art need at present
Technical problems to be solved.
The content of the invention
To overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of towards melt molding and cutting Compound Machining
Numerical control code generating method and device, this method subtract material system by being parsed to increasing material manufacturing numerical control code, using user's input
Make parameter and it is modified to obtain and subtract material numerical control code, and then obtain meeting code, and it is to increase material one to subtract material every time
Carried out after hierarchy number, realize alternate " being cut when the beating " function of increase and decrease.
To achieve the above object, the present invention adopts the following technical scheme that：
It is a kind of towards melt molding with cutting Compound Machining numerical control code generating method, comprise the following steps：
Receive the increasing material manufacturing numerical control code of model to be printed；
Receive user's input subtracts manufacture process parameter；
Receive user's input subtracts manufacture process parameter, and the manufacture process parameter that subtracts includes cutting hierarchy number, table
Show the number of plies for every time subtract and increasing material before material, these layers are characteristic layer；
For increasing material manufacturing numerical control code corresponding to each characteristic layer, the extraction increasing material from the increasing material manufacturing numerical control code
The feature code of manufacture, the feature code for subtracting material manufacture is substituted for, generates and subtract material manufacture numerical control code corresponding to the characteristic layer；
According to increasing material manufacturing numerical control code corresponding to each characteristic layer and subtract material manufacture numerical control code generation and increase material and subtract material and answer
The numerical control code of conjunction.
Further, it is described increase material and subtract the compound numerical control code of material by each characteristic layer increasing material manufacturing numerical control code and
Subtract material manufacture numerical control code composition.
Further, also the numerical control code is parsed after receiving the increasing material manufacturing numerical control code of model to be printed,
Obtain and show to print the number of plies, fuse temperature, platform temperature, gauge or diameter of wire, nozzle diameter and printing thickness.
Further, the manufacture process parameter that subtracts of input also includes：The speed of mainshaft, radial direction cutting-in, axial cutting-in and enter
To speed.
Further, subtracting material manufacture numerical control code corresponding to the generation characteristic layer includes：
The increasing material manufacturing numerical control code of layer is resolved the features as, the cutter path code of relieved portions point is wanted in extraction；
Wire feed length is deleted from the cutter path code, control spindle switch code is added and subtracts material technological parameter
Code, generate the characteristic layer subtracts material manufacture numerical control code.
Further, if the model file is stl file, in increasing material manufacturing numerical control generation, is converted to by crossover tool first
Code.
According to the second object of the present invention, present invention also offers a kind of towards melt molding and the number of cutting Compound Machining
Control code generating unit, including memory, processor and storage are on a memory and the computer journey that can run on a processor
Sequence, described numerical control code generating method is realized during the computing device described program.
According to the third object of the present invention, present invention also offers a kind of computer-readable recording medium, it is stored thereon with
Computer program, performed when the program is executed by processor described towards melt molding and the numerical control code of cutting Compound Machining
Generation method.
Beneficial effects of the present invention
The present invention for increasing material manufacturing model surface it is of low quality the problem of, devise a kind of material that increases and subtract material alternately
Method, it is determined that often increasing that material how many floor height carry out subtracting material, extract this part path when subtracting material, subtract material according to what user inputted
The technological parameter of processing, such as speed of mainshaft, feed speed, amount of feeding etc., generation subtract the Gcode of material, and increasing material finally is subtracted into material adds
Work code, which is integrated together to obtain, meets numerical control code, compared to the mode detected again after the completion of traditional increasing material, uses
The numerical control code that the present invention generates can obtain the more preferable model of surface quality.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is the workflow of existing increase and decrease material composite manufacturing software；
Fig. 2 is of the invention towards melt molding and the numerical control code generating method flow chart of cutting Compound Machining；
Fig. 3 is the software interface example according to designed by code generating method of the present invention.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
In the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
It is as shown in Figure 1 to the workflow of increase and decrease material composite manufacturing software：1. model loading, 2. pairs of model layers, 3. are incited somebody to action
Every layer of information partitioning component, the filling of 4. paths, 5.Gcode generations.
Increase and decrease material composite manufacturing software does not all change in model loading, layering and partitioning component part, it is emphasized that one
Point be in software layering be that model is placed on X/Y plane, be the height of model corresponding to Z axis, in this direction every
Certain altitude just goes to intersect with model with an X/Y plane makees layer section.
It is key problems-solving in the invention by model partition component and to component progress path planning.In layering
Afterwards, a series of 2-d plane graph has been obtained, before each component in X-Y scheme carries out path planning, have been marked
The type of component is remembered, we define the type of component in software：The portions such as interior wall, exterior wall, filling, upper and lower surface, support
Point.After this several part is determined, corresponding feed path planning is carried out.All it is first to each layer of printing in path planning
Sideline is printed, then sideline inside is filled, sideline can print multilayer, and outermost sideline is referred to as exterior wall (WALL-OUTER),
Others are referred to as interior wall (WALL-INNER), and the differentiation of inner-outer wall is the rank as caused by it because exterior wall can be observed by people
Terraced effects surface quality, therefore, we will try every possible means to remove this part of exterior wall, so this part of path planning is exactly
Subtract the cutter path of material；Interior wall is that internal filling plays a part of to increase intensity.Internal filling rate is required to increase and decrease material composite manufacturing
It is 100%, is so the intensity for ensureing that part is enough and the needs for subtracting material.One layer of path planning is often completed, just in Z-direction
A floor height is adjusted, continues next layer of printing, until printing is completed.
General thought proposed by the present invention：It can not meet surface quality of workpieces and essence due to increasing the complete mode for subtract material of material
Degree, the present invention, which proposes to increase in process, material and subtracts material alternately, " being cut when beating " i.e.：Need increase material when will
Increase material, it is necessary to which material will be subtracted when subtracting material.This just needs to subtract material manufacture control can be during increasing material manufacturing, according to model
The automatic planning feed path of analysis, material is removed by subtracting material after being superimposed the superposition of several layers of or entity and completing, makes surface matter
Amount reaches regulation requirement.
Embodiment one
Present embodiment discloses a kind of towards melt molding and the numerical control code generating method of cutting Compound Machining, such as Fig. 2
It is shown, comprise the following steps：
Step 1：Receive the increasing material manufacturing numerical control code of model to be printed；
Step 2：The numerical control code is parsed, obtains the model number of plies and floor height；
Step 3：Receive user's input subtracts manufacture process parameter；The manufacture process parameter that subtracts includes cutting layering
Number, i.e., carry out subtracting the number of plies of increasing material before material when beating in " cutting " every time, i.e. increasing material how many layer carry out subtracting material, with reference to the floor height of printing
(h), so that it is determined that needing the height (H=n*h) cut, subtract every time and increase the layer of material before material and be integrally designated as characteristic layer；
Step 4：For increasing material manufacturing numerical control code corresponding to each characteristic layer, carried from the increasing material manufacturing numerical control code
The feature code of increasing material manufacturing is taken, is substituted for the feature code for subtracting material manufacture, generates and subtracts material manufacture number corresponding to the characteristic layer
Control code.Step 4 concrete methods of realizing is：The increasing material manufacturing numerical control code of layer is resolved the features as, relieved portions is wanted in extraction
The cutter path code divided, i.e. exterior wall (WALL-OUTER), remove exterior wall (WALL-OUTER) part numerical control code wire feed length
A, add control spindle switch code and subtract material technological parameter code, such as speed of mainshaft S, radial direction cutting-in Z, feed speed M etc..
Step 5：According to increasing material manufacturing numerical control code corresponding to each characteristic layer and subtract material manufacture numerical control code generation increase material and
Subtract the compound numerical control code of material.
It is described increase material and subtract the compound numerical control code of material be by each characteristic layer increasing material manufacturing numerical control code and subtract material system
Make numerical control code composition.
Alternatively, if the model file is stl file, in increasing material manufacturing numerical control generation, is converted to by crossover tool first
Code.
Alternatively, parse the increasing material manufacturing numerical control code, obtain and show printing the number of plies, fuse temperature, platform temperature,
Gauge or diameter of wire, nozzle diameter and printing thickness.
The manufacture process parameter that subtracts of input includes：Cut layering, the speed of mainshaft, radial direction cutting-in, axial cutting-in and feeding
Speed.
For clearer elaboration the present embodiment, the increasing material and subtract the compound G code generating process of material and can be described as follows：
1st, the increasing material manufacturing G code of model to be printed is received, and parses its parameter information and is shown；Such as：
Layer 1：WALL-INNER1, WALL-OUTER 1, FILL 1；
Layer 2：WALL-INNER2, WALL-OUTER 2, FILL 2；Layer 3：WALL-INNER3, WALL-
OUTER 3, FILL 3；
……
Layer n：WALL-INNER n, WALL-OUTER n, FILL n；
2nd, receive user's input subtracts manufacture process parameter, such as cutting layering=5, the speed of mainshaft=12000, radial cut
Depth=0.4mm, axial cutting-in=0.5mm and feed speed 1500mm/min；
3rd, cutting layering, the feature number of plies and floor height, the feature number of plies represent to carry out subtracting material after increasing material how many layer；
4th, the increasing material G code to each characteristic layer carries out feature extraction, the feature code for increasing material part is removed, such as A500 wire feeds
Length 500mm, the feature code of relieved portions point is added, such as S10000 speed of mainshaft 10000r/min, that is, generates this feature layer
It is corresponding to subtract material G code；
5th, by the increasing material of each characteristic layer and subtract material G code and combine and obtained increasing material and subtract the compound G code of material.Example
Such as：
Layer 1：WALL-INNER1, WALL-OUTER 1, FILL 1；
……
Layer n1：WALL-INNER n1, WALL-OUTER n1, FILL n1；
g-n1；
……
Layer n2：WALL-INNER n2, WALL-OUTER n2, FILL n2；g-n2；
……
Layer n3：WALL-INNER n3, WALL-OUTER n3, FILL n3；
g-n3；
……
End
Wherein, Layer1-n1 represents the increasing material manufacturing G code of first characteristic layer, and g-n1 represents that this feature layer is corresponding
Subtract material manufacture G code.
Fig. 3 is using the software interface example designed by code generating method of the present invention.
Embodiment two
The purpose of the present embodiment is to provide a kind of computing device.
It is a kind of towards melt molding with cutting Compound Machining numerical control code generating means, including memory, processor and
Storage is realized below on a memory and the computer program that can run on a processor, during the computing device described program
Receive the increasing material manufacturing numerical control code of model to be printed；
Receive user's input subtracts manufacture process parameter, and the manufacture process parameter that subtracts includes cutting hierarchy number, table
Show the number of plies for every time subtract and increasing material before material, these layers are characteristic layer；
For increasing material manufacturing numerical control code corresponding to each characteristic layer, the extraction increasing material from the increasing material manufacturing numerical control code
The feature code of manufacture, it is substituted for the feature code for subtracting material manufacture；Generate and subtract material manufacture numerical control code corresponding to the characteristic layer；
According to increasing material manufacturing numerical control code corresponding to each characteristic layer and subtract material manufacture numerical control code generation and increase material and subtract material and answer
The numerical control code of conjunction.
Embodiment three
The purpose of the present embodiment is to provide a kind of computer-readable recording medium.
A kind of computer-readable recording medium, is stored thereon with computer program, and the program performs when being executed by processor：
Receive the increasing material manufacturing numerical control code of model to be printed；
Receive user's input subtracts manufacture process parameter, and the manufacture process parameter that subtracts includes cutting hierarchy number, table
Show the number of plies for every time subtract and increasing material before material, these layers are characteristic layer；
For increasing material manufacturing numerical control code corresponding to each characteristic layer, the extraction increasing material from the increasing material manufacturing numerical control code
The feature code of manufacture, it is substituted for the feature code for subtracting material manufacture；Generate and subtract material manufacture numerical control code corresponding to the characteristic layer；
According to increasing material manufacturing numerical control code corresponding to each characteristic layer and subtract material manufacture numerical control code generation and increase material and subtract material and answer
The numerical control code of conjunction.
Each step being related in the device of above example two and three is corresponding with embodiment of the method one, embodiment
Reference can be made to the related description part of embodiment one.Term " computer-readable recording medium " is construed as including one or more
The single medium or multiple media of instruction set；Any medium is should also be understood as including, any medium can be stored, compiled
Code carries for the instruction set by computing device and makes the either method in the computing device present invention.
The present invention for increasing material manufacturing model surface it is of low quality the problem of, devise a kind of material that increases and subtract material alternately
Method, it is determined that often increasing that material how many floor height carry out subtracting material, extract this part path when subtracting material, subtract material according to what user inputted
The technological parameter of processing, such as speed of mainshaft, feed speed, amount of feeding etc., generation subtract the Gcode of material, and increasing material finally is subtracted into material adds
Work code, which is integrated together to obtain, meets numerical control code, compared to the mode detected again after the completion of traditional increasing material, uses
The numerical control code that the present invention generates can obtain the more preferable model of surface quality.
It will be understood by those skilled in the art that each module or each step of the invention described above can be filled with general computer
Put to realize, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.The present invention be not restricted to any specific hardware and
The combination of software.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (8)
- It is 1. a kind of towards melt molding and the numerical control code generating method of cutting Compound Machining, it is characterised in that including following step Suddenly：Receive the increasing material manufacturing numerical control code of model to be printed；Receive user's input subtracts manufacture process parameter, and the manufacture process parameter that subtracts includes cutting hierarchy number, represents every Secondary subtract the number of plies for increasing material before material, these layers are characteristic layer；For increasing material manufacturing numerical control code corresponding to each characteristic layer, increasing material manufacturing is extracted from the increasing material manufacturing numerical control code Feature code, be substituted for subtract material manufacture feature code, generate subtract corresponding to the characteristic layer material manufacture numerical control code；According to increasing material manufacturing numerical control code corresponding to each characteristic layer and subtract that material manufacture numerical control code generation increases material and to subtract material compound Numerical control code.
- 2. numerical control code generating method as claimed in claim 1, it is characterised in that described to increase material and subtract material compound numerical control generation Code is made up of the increasing material manufacturing numerical control code of each characteristic layer with material manufacture numerical control code is subtracted.
- 3. numerical control code generating method as claimed in claim 1, it is characterised in that receive the increasing material manufacturing number of model to be printed Also the numerical control code is parsed after control code, obtains and shows that the printing number of plies, fuse temperature, platform temperature, wire rod are straight Footpath, nozzle diameter and printing thickness.
- 4. numerical control code generating method as claimed in claim 1, it is characterised in that the manufacture process parameter that subtracts of input is also wrapped Include：The speed of mainshaft, radial direction cutting-in, axial cutting-in and feed speed.
- 5. numerical control code generating method as claimed in claim 1, it is characterised in that subtract corresponding to the generation characteristic layer Material manufacture numerical control code includes：The increasing material manufacturing numerical control code of layer is resolved the features as, the cutter path code of relieved portions point is wanted in extraction；Wire feed length is deleted from the cutter path code, control spindle switch code is added and subtracts material technological parameter generation Code, generate the characteristic layer subtracts material manufacture numerical control code.
- 6. numerical control code generating method as claimed in claim 1, it is characterised in that first if the model file is stl file First pass through crossover tool and be converted to increasing material manufacturing numerical control code.
- 7. it is a kind of towards melt molding and the numerical control code generating means of cutting Compound Machining, including memory, processor and deposit Storage realizes such as right on a memory and the computer program that can run on a processor, during the computing device described program It is required that the numerical control code generating method described in any one of 1-6.
- 8. a kind of computer-readable recording medium, is stored thereon with computer program, performed such as when the program is executed by processor Described in claim any one of 1-6 towards melt molding with cutting Compound Machining numerical control code generating method.
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| CN110394448A (en) * | 2019-09-03 | 2019-11-01 | 深圳大学 | A kind of metal 3D printing method and system |
| CN112925266A (en) * | 2021-02-02 | 2021-06-08 | 深圳市显控科技股份有限公司 | G code generation method, device, equipment and storage medium based on general HMI |
| CN114077222A (en) * | 2020-08-21 | 2022-02-22 | 中国科学院沈阳自动化研究所 | Equipment control system for increasing and decreasing materials alternately by multiple threads |
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| CN115774551A (en) * | 2023-02-10 | 2023-03-10 | 济南邦德激光股份有限公司 | G code generation method, cutting method, device and storage medium |
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| CN114160811A (en) * | 2021-11-12 | 2022-03-11 | 大族激光科技产业集团股份有限公司 | Material forming processing method, device, equipment and storage medium |
| CN114160811B (en) * | 2021-11-12 | 2023-06-16 | 大族激光科技产业集团股份有限公司 | Material molding processing method, device, equipment and storage medium |
| CN115774551A (en) * | 2023-02-10 | 2023-03-10 | 济南邦德激光股份有限公司 | G code generation method, cutting method, device and storage medium |
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