CN109878073A - A kind of 3D printer formed precision optimization method - Google Patents
A kind of 3D printer formed precision optimization method Download PDFInfo
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- CN109878073A CN109878073A CN201910241103.XA CN201910241103A CN109878073A CN 109878073 A CN109878073 A CN 109878073A CN 201910241103 A CN201910241103 A CN 201910241103A CN 109878073 A CN109878073 A CN 109878073A
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Abstract
The invention discloses a kind of 3D printer formed precision optimization methods comprising the steps of: the integrally-built modeling of A, FDM type 3D printer；B, the analysis of Influential Factors of FDM type 3D printer formed precision；C, the optimization of FDM type 3D printer motion control unit；D, the optimization of FDM type 3D printer technological parameter, the principal element of formed precision is influenced in present invention comprehensive analysis fusion sediment technique links first, then the mechanism of production of the various errors of Taxonomic discussion, finally, the three phases of connecting shaping process, from main structure, motion control unit and technological parameter etc., which are summarized, to be obtained the method for improving formed precision and optimizes, the formed precision for improving 3D printer can improve molding effect and give user better usage experience, enhance the market competitiveness of 3D printer.
Description
Technical field
The present invention relates to 3D printer technical field, specifically a kind of 3D printer formed precision optimization method.
Background technique
With advances in technology and the appearance of new material, various types of 3D printers also come out one after another, existed in recent years
The output of 3D printer and sales volume are also in steady growth year by year on international market.For consumer angle, traditional is big
Article needed for bulk article production system almost can provide all lives for people accommodates food and clothing and lives the consumption production such as row object for appreciation
Product, but these consumer goods are produced using unified standard, it is stereotyped.Although being able to produce out in manual industry
Have personalized product, and quality is superior, but produces and time-consuming huge be unable to satisfy public demand.And the appearance of 3D printing technique
It not only can satisfy pursuit of the people to " personalized customization ", while can also improve production efficiency.
The principal element that formed precision is influenced in present invention comprehensive analysis fusion sediment technique links first, then divides
Class discusses the mechanism of production of various errors.Finally, the three phases of connecting shaping process, from main structure, motion control unit
It is obtained with technological parameter etc. summary and improves the method for formed precision and optimize, improve the molding essence of 3D printer
Degree can improve molding effect and give user better usage experience, enhance the market competitiveness of 3D printer.So to 3D printing
The formed precision of machine, which carries out research and analysis, has very important realistic meaning and economic value.
Summary of the invention
The purpose of the present invention is to provide a kind of 3D printer formed precision optimization methods, to solve in the background technique
The problem of proposition.
In order to achieve the object, the invention provides the following technical scheme:
A kind of 3D printer formed precision optimization method comprising the steps of:
A, the integrally-built modeling of FDM type 3D printer；
B, the analysis of Influential Factors of FDM type 3D printer formed precision；
C, the optimization of FDM type 3D printer motion control unit；
D, the optimization of FDM type 3D printer technological parameter.
As further technical solution of the present invention: step A is specifically: by using three-dimensional CAD modeling software to existing
FDM type 3D printer integral mechanical structure carry out modeling and simulating, the integral mechanical structure of FDM type 3D printer includes that 3D is beaten
Four print machine main structure, motion structure, nozzle structure and print platform structure aspects.Mainly pass through model analysis 3D herein
The influence that the main structure of printer may generate formed precision.
As further technical solution of the present invention: the formed precision refers between final product and part mathematical model
Error size, including form accuracy, dimensional accuracy and the aspect of surface roughness three.
As further technical solution of the present invention: be using the process that 3D printer carries out fused glass pellet manufacture:
Spray head is scanned movement according to the two-dimensional signal that hierarchy slicing obtains, while melt extruded silk is successively folded on print platform
Add, curing molding, until completing the process entire threedimensional model.
As further technical solution of the present invention: the molding process of 3D printer is divided into Primary Stage Data processing rank
Section, machine-shaping stage and post-processing three phases.
As further technical solution of the present invention: the optimization aim of the step C includes the driving belt of stepper motor
The error that gap between gear generates, some amount out of control and movement inertia from mechanical structure.
As further technical solution of the present invention: the 3D printer technological parameter includes thickness, nozzle temperature, printing
Platform temperature, fill pattern, packed density and extruded velocity.
Compared with prior art, the beneficial effects of the present invention are: present invention comprehensive analysis fusion sediment technique first is each
The principal element of formed precision is influenced in link, then the mechanism of production of the various errors of Taxonomic discussion, finally, connecting shaping process
Three phases, from main structure, motion control unit and technological parameter etc. summarize obtain improve formed precision method
And optimize, the formed precision for improving 3D printer can improve molding effect and give user better usage experience, increase
The market competitiveness of strong 3D printer.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A kind of embodiment 1: 3D printer formed precision optimization method comprising the steps of:
A, the integrally-built modeling and simulating of FDM type 3D printer；
Modeling and simulating is carried out using main structure of the SOLIDWORKS modeling software to 3D printer, the part of modeling includes printing
The braced frame of machine main structure, stepper motor, connecting rod, the parts such as driving belt, when modeling, fully consider 3D printer
Actual working environment, and modeling and simulating is carried out fully according to the actual size of 3D printer, it is further by modeling and simulating
The analysis of Influential Factors of 3D printer formed precision prepare.
B, the analysis of Influential Factors of FDM type 3D printer formed precision；
Mechanical analysis is carried out to main structure by modeling and simulating and vibration is analyzed, analyzes main structure in the processing and forming stage
The influence that may be generated to formed precision, influence factor a part that wherein main structure generates formed precision is due in 3D
Machine shaking of the printer in print procedure causes the spray head of printer to move unstable generation, it is therefore necessary to beat 3D
The main structure of print machine carries out firm optimization design, then passes through experimental verification concept feasible.
C, the optimization design of FDM type 3D printer motion control unit；
In the motion control unit of 3D printer, in order to overcome the amount out of control of mechanical structure, movement inertia is reduced, and reduce
The error that gap between the driving belt and gear of stepper motor generates will select servo motor that stepper motor is replaced to carry out excellent
Change design, then pass through the feasibility of modeling analysis scheme, finally carry out experimental verification, to reach the mesh for improving formed precision
's.
D, the optimization of FDM type 3D printer technological parameter；
After the optimization design of the mechanical structure and control moving cell of completing printer, to the printing effect of 3D printer into
Row test, and the affecting laws of technological parameter and printout print quality are just carried out to the 3D printer after optimization on this basis
It is studied, is subject to analytic demonstration by several groups of different orthogonal experiments of design and obtains influence rule of the technological parameter to printing precision
Rule, then determines reasonable technological parameter.
The present invention emulates work by the improvement to existing 3D printer formed precision optimization method, in the advanced profession of application
On the basis of tool, accurate complete parallel circuit system model is established, and use modularized design, be suitable for various high-voltage flats
Row transmission line of electricity induced voltage and induced current analysis overcome traditional artificial calculating analysis or the analysis of some absorptions
The shortcomings that low efficiency, bad adaptability, significantly improves analysis efficiency, accuracy and engineering adaptability, transmits electricity in high-pressure parallel
Popularization and application in line influence voltage and induced current analysis work are of great immediate significance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of 3D printer formed precision optimization method, which is characterized in that comprise the steps of:
A, the integrally-built modeling of FDM type 3D printer；
B, the analysis of Influential Factors of FDM type 3D printer formed precision；
C, the optimization of FDM type 3D printer motion control unit；
D, the optimization of FDM type 3D printer technological parameter.
2. a kind of 3D printer formed precision optimization method according to claim 1, which is characterized in that step A is specifically:
Modeling and simulating, FDM type are carried out by using integral mechanical structure of the three-dimensional CAD modeling software to existing FDM type 3D printer
The integral mechanical structure of 3D printer includes 3D printer main structure, motion structure, nozzle structure and print platform structure
Four aspects.
3. a kind of 3D printer formed precision optimization method according to claim 1, which is characterized in that the formed precision
Refer to the error size between final product and part mathematical model, including form accuracy, dimensional accuracy and surface roughness three
A aspect.
4. a kind of 3D printer formed precision optimization method according to claim 1, which is characterized in that use 3D printer
The process for carrying out fused glass pellet manufacture is: spray head is scanned movement according to the two-dimensional signal that hierarchy slicing obtains, simultaneously
Melt extruded silk successively superposition, curing molding on print platform, until completing the process entire threedimensional model.
5. a kind of 3D printer formed precision optimization method according to claim 1, which is characterized in that 3D printer at
Type process is divided into Primary Stage Data processing stage, machine-shaping stage and post-processing three phases.
6. a kind of 3D printer formed precision optimization method according to claim 1, which is characterized in that the step C's
Optimization aim includes the error that gap between the driving belt of stepper motor and gear generates and from the out of control of mechanical structure
Amount and movement inertia.
7. -6 any a kind of 3D printer formed precision optimization method according to claim 1, which is characterized in that the 3D
Printer technological parameter includes thickness, nozzle temperature, print platform temperature, fill pattern, packed density and extruded velocity.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757786A (en) * | 2019-11-18 | 2020-02-07 | 温州大学 | Online laser leveling detection method for 3D printer |
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| CN108577958A (en) * | 2018-04-04 | 2018-09-28 | 广东医科大学附属医院 | A kind of design method of the personalized 3D printing calcaneal steel plate based on topological optimization |
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Application publication date: 20190614 |