1. CAPSTONE DESIGN 정준영 20081838 전우준김건식김병찬한일환

2. 0. Summary 1. Project selection 2. Relevant Background 3. Concepts Development 4. Preceding Research 5. Research Plan Contents Contents

3. Apparatus and Method for Bending Orthodontic Archwires

4. 0. SUMMARY Our goal for this class is… 1.Develop algorithm for calculate bending angle according to property of wires. 2.Design the apparatus for bending orthodontic archwires. 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan

5. PROJECT SELECTION

6. 1. PROJECT SELECTION 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan

7. WHY? Project Candidates Suitability for this class Progress ratio of research Covering range in engineering Probability for manufacture FIANL GRADE Bending Apparatus 1020%810 A Develop link Mechanism by Theo Jansenism 30%56 C Cheetaroid- 2S 580%410 B 1. PROJECT SELECTION 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan

8. RELEVANT BACKGROUND

9. Based on real world problems… 2. RELEVANT BACKGROUND 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Increased demand for patient customized treatment Provide alternative way to lingual orthodontic (handiwork) Resolve long delivery period I. II. III.

10. 2. RELEVANT BACKGROUND 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Competitors -3M(Europe), “Unitek”, 3 million Won(Price), 150 billion Won(Annual Price) -Orametrix(USA), “Suresmile”, 2.5 million won(Price), 100 billion Won(Annual Price)

11. 2. RELEVANT BACKGROUND 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Competitors -Only 2D shape available -Torsion shape unavailable -Expensive -Spend long delivery -2D, 3D shape available -Torsion shape available -Over-specification -Expensive -Spend long delivery No precede local(Korean) technical development and patent, yet.

12. CONCEPT DEVELOPMENT

13. 3. CONCEPTS DEVELOPMENT 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Conditions for the bending apparatus… 3 DOFs (linear motion, Roll angle, bending) Simple program to operation (LabVIEW) High-quality product I. II. III.

14. 3. CONCEPTS DEVELOPMENT 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Linear motion Roll angle Bending Wire 3 DOFs are needed for wire bending 3 degrees of freedom

15. 3. CONCEPTS DEVELOPMENT 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Simple program to operation (LabVIEW) Computer (LabVIEW) Processor (FPGA) Motor operation

16. 3. CONCEPTS DEVELOPMENT 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan High quality product According to competitors specification… -Minimum bending length : less than 2mm (World level : 2.2mm(Orametrix, USA)) -Bending angle error : less than 1 degree (World level : less than 0.8 degree(Orametrix, USA)) -Bending time : less than 60 seconds (World level : 40 seconds(Orametrix, USA)) -Bended wire width : less than 0.3 inch (World level : 0.25inch(3M, Germany)) -Available wire shape : round and square (World level : round and square(Orametrix, USA), square(3M, Germany))

17. PRECEDING RESEARCH

18. 4. PRECEDING RESEARCH 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Needed components -Program (LabVIEW) -Processor (SbRIO 9601) -3 Motors (step motor) -3 Motor drivers -Power supply -Ball screw drive -Aluminum structure -Others Components are almost prepared, Assembling is not started, yet.

19. 4. PRECEDING RESEARCH 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan LabVIEW -LabVIEW program -Easy to control motors by FPGA

20. 4. PRECEDING RESEARCH 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan 9601 SbRIO -National Instruments -266MHz processor -128MB storage, 64MB DRAM -2M gate I/O FPGA -Ethernet port -110 DIO

21. 4. PRECEDING RESEARCH 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan 3 step motors -2 phases, 1.8deg/step -3.2V, 2.8A -1.85N*m holding torque -Linear motion & Roll Angle * 2EA * 1EA -5 phases, 0.072deg/phase -3.64V, 1.4A -20N*m holding torque -1:10 gear ratio -Bending

22. 4. PRECEDING RESEARCH 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan 3 motor drivers * 2EA* 1EA -NT-BST2403 -2 phases, PWM -Input voltage : DC 12~30V -Output ampere : 0~2.5A -Linear motion & Roll Angle -MD5-HF28 -5 phases -Input voltage : AC 110~220V -Output ampere : 0~5A -Bending

23. 4. PRECEDING RESEARCH 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Power supply -UP200S12L -200W 1-Channel -Input : AC 90~132V -Output 1 : DC 12V/16.7A -Output 2 : AC 180~264V

24. 4. PRECEDING RESEARCH 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Ball screw drive -Realize linear motion by rotary step motor. Aluminum structures Etc. -Use aluminum profile to make structure. -Other simple components.

25. RESEARCH PLAN

26. 5. RESEARCH PLAN 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan -Finish manufacturing -Spring-back coefficient detection experiment -Vision sensing by CCD camera -Make 2D shape available -Try 3D shape & Torsion function

27. 5. RESEARCH PLAN 1. Project selection 0. Summary 3. Concepts Development 2. Relevant Background 4. Preceding Research 5. Research Plan Sep 3rd Sep 4th Oct 1st Oct 2nd Oct 3rd Oct 4th Oct 5th Nov 1st Nov 2nd Nov 3rd Nov 4th Dec 1st Dec 2nd Dec 3 rd Assembly MIDTERMMIDTERM FINALEXAMFINALEXAM 2D Programming Vision Programming Spring-back Exp. Verification Exp. 3D Programming Torsion Programming Final Product

28. Q&A