MINISTRY OF EDUCATION AND TRAINING HCMC UNIVERSITY OF TECHNOLOGY AND EDUCATION GRADUATION THESIS MECHATRONIC ENGINEERING TECHNOLOGY DESIGN AND IMPLEMENTATION OF A MULTICOLOR 3D PRINTER ADVISOR: VU QUANG HUY, PhD. PHAM BACH DUONG, M. STUDENT’S NAME: PHAM XUAN CHIEN STUDENT’S ID: 13146023 STUDENT’S NAME: NGHIEM LUONG HAI STUDENT’S ID: 13146057 STUDENT’S NAME: HA XUAN THANG STUDENT’S ID: 13146197 SKL 0 0 5 3 6 6 Ho Chi Minh city, July 2017 do an UNIVERSITY OF TECHNOLOGY AND EDUCATION FACULTY FOR HIGH QUALITY TRAINING DEPARTMENT OF MECHATRONICS GRADUATION THESIS DESIGN AND IMPLEMENTATION OF A MULTICOLOR 3D PRINTER ADVISOR: VU QUANG HUY, PhD. PHAM BACH DUONG, M.
STUDENT’S NAME: PHAM XUAN CHIEN (13146023) NGHIEM LUONG HAI (13146057) HA XUAN THANG (13146197) ACADEMIC BATCH: 2013 - 2017 MAJOR: MECHATRONICS Ho Chi Minh City, July 2017 1 do an SOCIALIST REPUBLIC OF VIETNAM Independence - Freedom - Happiness ----***---- Ho Chi Minh City, May 31th 2017 MISSION OF THESIS Student’s name: Pham Xuan Chien Student’s ID: 13146023 Nghiem Luong Hai 13146057 Ha Xuan Thang 13146197 Major: Mechatronics Class: 13146CLC Advisor: Vu Quang Huy, Ph.D Phone number: Delivery date: 20/2/2017 Submission date: 23/7/2017 1. Title of thesis: Design and implementation of a multicolor 3D printer 2. The original data, documents: -Documents about assembly and calibration of 3D printer. -Datasheets of electronic components.
-Articles of multicolor methods. -The Firmware and slicer software from open source 3. Main content: -Research on rapid prototyping. -Design a model of 3D printer and implement it.
-Experiment 3D printed products through for analyzing and evaluating product quality. Product: -A 3D printer has size of 200x200x100 mm, solid mechanics and stable operation. -3D printed products have diverse colors, high precision and good surface quality. Program Chair Advisor i do an SOCIALIST REPUBLIC OF VIETNAM Independence - Freedom - Happiness ----***---- ADVISOR’S COMMENT Student’s name: Pham Xuan Chien Student’s ID: 13146023 Nghiem Luong Hai 13146057 Ha Xuan Thang 13146197 Major: Mechatronics Title of thesis: Design and implementation of a multicolor 3D printer Advisor’s name: Pham Bach Duong, M.
The content of thesis and workload allocated:. Thesis defense approval: Yes No 5.) Ho Chi Minh City, July 2017 Advisor (Name, signature) ii do an SOCIALIST REPUBLIC OF VIETNAM Independence - Freedom - Happiness ----***---- REVIEWER’S COMMENT Student’s name: Pham Xuan Chien Student’s ID: 13146023 Nghiem Luong Hai 13146057 Ha Xuan Thang 13146197 Major: Mechatronics Title of thesis: Design and implementation of a multicolor 3D printer Reviewer’s name: Nguyen Vu Lan, Ph. The content of thesis and workload allocated:. Thesis defense approval: Yes No 5.) Ho Chi Minh City, July 2017 Reviewer (Name, signature) iii do an ACKNOWLEDGEMENT Firstly, we wish to thank our parents and our friends for their supports and encouragement throughout our study.
Secondly, we would like to express our gratitude to Dr. Vu Quang Huy - the project supervisor, for his patient guidance, enthusiastic encouragement and invaluable comments on this project. Thanks to his advices and assistances in keeping our progress on schedule. Our grateful thanks are also extended to Mr.
Trung – the specialist in 3D printing workshop, for his supports in offering us the resources, troubleshooting and increasing the qualification of our 3D printing products. They did contributed a lot in helping us to successfully complete project “Design and implementation of a multicolor 3D printer”. In the implementation process of the project, there would certainly be some inevitable mistakes, we do hope to receive your comments for future improvements. Ho Chi Minh City, May 31th, 2017 Group of students: Pham Xuan Chien Nghiem Luong Hai Ha Xuan Thang iv do an ABSTRACT In this project “Design and implementation of a multicolor 3D printer”, our group sets the goal to make a 3D printer that can print not only in single color but also in multiple colors automatically without changing the filament manually.
The printer is designed according to the Cartesian structure, with dimension of printing is 200x200x150mm. The 3D printer model is designed on Solidworks according to the intended size. Based on the model, we analyze and calculate to purchase and outsourcing materials. For multicolor printing, we use the Diamond Hotend that has three inputs, one output and a small color mixing chamber.
Repetier host is used to choose color for product and send G-code to Arduino. After 3 months of project implementation, our group has achieved some results. The 3D printer can print the product that has 200x200x100 mm dimension. It operates smooth with an average speed of 40 to 60 mm / s.
Products with a slight deviation of 0. With the use of Diamond Hotend, the 3D printer prints products that has from one to four colors are quite good, the surface of them is smooth. When printing five-color products, they are quite bad with the surface deformation. Filament usually get stuck on Diamond Hotend.
Keywords: Rapid prototying, 3D printing, multicolor, Diamond Hotend, filament jam v do an CONTENTS COVER PAGE. PAGE MISSION OF THESIS. ii REVIEWER’S COMMENT. v LIST OF ABBREVIATIONS.
viii LIST OF TABLES. ix LIST OF FIGURES AND CHARTS. The necessary of the thesis. Scientific and practical meanings.
Research objectives of the thesis. Object and goal of the study. Introduction to rapid prototyping technology [1]. The introduction and development of the RAP method [9].
Early period: Manual Sampling. Second period: virtual prototyping or creation software. Third period: RAP process. Application of RAP.
4 CHAPTER 2: LITERATURE REVIEW. Some methods of template creation. Solid Ground Curing (SGC). 3D FDM Printing Method (Fused Deposition Manufacturing).
Analysis of 3D FDM (Fused Deposition Manufacturing). Multicolor printing solutions. Using multi nozzle. 13 vi do an 2.
The effect of temperature on the operation of the printing [8]. 18 CHAPTER 3: DESIGN AND ANALYSIS. The structure of 3D printer [3]. Analysis of axis-driven motors.
Analysis of transmission mechanisms. Check the deviation on the axes. Programming in Arduino. Adjust PID temperature of extruder [6].
Custom Slicing with Slice Software. Multi-material printing with Repetier Host. Convert data from CAD to G-code. Read and process G-code data.
40 CHAPTER 4: EXPERIMENTS AND RESULTS. Modes of experiments:. Analysis and comments:. Bill of materials.
51 CHAPTER 5: CONCLUSION AND RECOMMENDATIONS. 54 vii do an LIST OF ABBREVIATIONS ABS Acrylonitrile Butadiene Styrene CNC Computer Numerical Controlled CAD Computer Aided Design CAE Computer-aided engineering CAM Computer-aided manufacturing CMM Coordinate Measuring Machine FDM Fused Deposition Manufacturing LOM Laminated Object Manufacturing PLA Poly Lactic Acid FDM Fused Deposition Manufacturing STL Stereo lithography SLA Stereo Lithography Apparatus SGC Solid Ground Curing SLS Selective Laser Sintering SLS Selective Laser Sintering RAP Rapid prototyping viii do an LIST OF TABLES Table 4. 1 Run from 1 point. 2 Run continuously 1 mm.
3 Angle error test with sample 1 and 2. 4 Test height and diameter of sample 3. 47 ix do an LIST OF FIGURES AND CHARTS Figure 1. 1 The engine of plane is 3D printed for checking error.
2 Mold by 3D printing technology. 3 The joints are made form a 3D printer. 1 SLA Modeling Methodology. 2 SGC Modeling Methodology.
3 LOM Modeling Methodology. 4 SLS Modeling Methodology. 5 FDM Modeling Methodology. 7 Filament stuck on the print.
9 Structure of Palette. 10 Product of Palette. 12 Multiclor filament and product. 13 Compare the temperature distribution between nozzles have good heat sink and don’t have good heat sink.
14 Material jam at the location exposed two heat zones. 15 Add material at the heat transfer location[6]. 4 Design model in Solidworks. 5 Model in reality.
9 Lead screw nut. 12 Check the flatness of the bed with bubble level. 13 Check the flatness of the X axis. 14 Check the equality of the two Z axes.
15 Control block diagram of the 3D printer. 19 Schematic of DRV8825 [10]. 20 Interface of Repetier host. 21 Manual of Repetier host.
OVERALL CONTROL DIAGRAM OF ARDUINO. 23 Control PID of temperature. 24 Adjust PID on Marlin firmware. 36 x do an Figure 3.
26 Combine STL file. 27 Use Meshmixer to cut STL file. 29 Diagram convert data from CAD to G-code. 30 Flowchart of reading and processing G-code data.
1 Test and mix color. 2 Colors of our 3D printer. 3 Products with single color: red, cyan, yellow. 4 Mixing color products.
5 Products with 2 or 3 independent color. 6 Printing with “Wipe and prime tower”. 9 Samples is used for precise test. 10 Filament stuck in Teflon tube.
12 Error product due to filament jam. 13 The filaments flow out and stick on the nozzle. 50 xi do an CHAPTER 1: OVERVIEW 1. The necessary of the thesis Nowadays, the applications of fast shaping respond the practical needs which is the basis for the development of RAP machines (3D printers).
Applicability in many areas such as product modeling, health and education, architecture. The 3D printing technology development will help the production process as well as the design stage cut down on product creation time, bringing the idea of real things in order to analysis more easily. It also gives the designer more flexibility, creativity when it comes to ideas that are not afraid how to create that product, and how long it takes to create it. So the 3D printing is the best RAP tool.
Scientific and practical meanings For the purpose of studying and researching field the 3D printing group has chosen "Design and implementation of a multicolor 3D printer" project with the following objectives: Join the study and learn the RAP 3D printing technology Practical the 3D printing application. Research products to meet commercial needs. Research objectives of the thesis. Design drawing and implement the mechanic of the 3D printer.
Developing a 3D printers creates colorful products Find out some printing errors of the 3D printing methods and come up with a solution based solution in the experiment. Object and goal of the study 1. Object of study 3D printer with Prusa I3 structure. FDM (Fused Deposition Manufacturing) 3D printing method, using PLA to create samples.
Goal of the study Structure Cartesian structure Print dimension 200x200x150 Nozzle Diamond Hotend Precise 0.3 mm Material PLA and ABS Number of color 10 1. Research Methodology We use top down method to apply in this project. - Self-collected data: + Test axes of the 3D printer to find the tolerance, working precision of its. + Experiment the 3D printer at different speeds and temperatures to find the effect of these factors on the product to find out the appropriate parameters print the product.
+ Print detailed patterns to assess the profile, tolerance. + Coordinate the color of the plastic rolls of the machine to find the color printing machine. - Reference data: + Set multi-color printing on the software + Design model and nozzle holder from the manufacturer + Reference from the 3D printer project of the previous senior and suggestions of friends who used to make printers + Common mistakes when printing products. Introduction to rapid prototyping technology [1] Rapid prototyping is a group of techniques used to quickly fabricate a scale model of a physical part or assembly using three-dimensional computer aided design (CAD) data.
Construction of the part or assembly is usually done using the 3D printing or "additive layer manufacturing" technology. RAP technology can be known as a kind of technology that can directly create one 3D object with very short time, usually only one operation with the support of 2 do an CAD software packages to create object models that serve as databases for RAP machines.