Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Capstone Design Team. CHI-A 정준영 20081838 전우준 20071223 김건식 20091798 김병찬 20091804 한일환 20111901 Bending Machine for Orthodontic Archwires 1 Problem Statement 2 Project Objectives Index 3 5 Design Process Final Product 4 6 Test & Evaluation Question & Answer 3 1 Why is it expensive to have Orthodontic Instruments? Problem Statement In this page, we are trying to find out the reasons. Dental clinic • Expert (Dentist) • Apparatus Components • Bracket • Orthodontic Archwires Technique • Patents • Monopoly on technique 4 We need to change the Current Status!! No precede Korean technical development and patent, yet. 1 Problem Statement In USA, Europe there exist Bending Machines For Orthodontic Archwires. In terms of Orthodontic Archwires, To Design a Bending Machine To Develop Local Techniques 5 Why have we chosen this subject? These followings are the reasons we have chosen the topic. 2 Project Objectives Designing a Bending Machine in our own way Makes Possibilities I. To meet the Increasing Demand for patient II. To make Economical Advantages in production III. To offer Short Delivery Period 6 2 Project Objectives Project Objectives These are the objectives we will accomplish. 1 Hardware (3 DOFs ; linear motion, Roll angle, bending) 2 Simple program to operation 3 High-quality product (LabVIEW) 7 2 Project Objectives Project Objectives 1. 3 degrees of freedom Wire Linear motion Roll angle Bending 3 DOFs are needed for wire bending 8 2 Project Objectives Project Objectives 2. Simple program to operation (LabVIEW) Computer (LabVIEW) Processor (FPGA) Motor operation 9 2 Project Objectives Project Objectives 3. High quality product Competitors Objectives Minimum bending length 2.2mm (Orametrix, USA) Less than 2mm Bending angle error less than 0.8 degree (Orametrix, USA) (experiment need) Bending time 40 seconds (Orametrix, USA) Less than 40 seconds Available wire shape round and square (Orametrix, USA), square (3M, Germany) round and square 10 2 Economical Profits Project Objectives In this page, numbers will be shown to be compared. Price[won] Unitek 3million Suresmile 2.5million Our product 1milion 11 2 Time Profits Project Objectives In this page, numbers will be shown to be compared. Product[day] Delivery[day] Unitek 28~30 14~15 Suresmile 24~28 14~15 Our product 1~2 1~2 12 3. Design Process 1) Concept Development 2) Concept Selection 3) Manufacturing Hardware 4) Developing Software 3 Concept Development This page is about Our initial design concept and its development. Wire Design Process Roll angle Linear motion 14 3 Concept Selection Design Process This page is about the bending part. Pins Wire Installing the two Guides in order to allow for bi-directional bending Guides Motor Engaging part of the Pin and the Motor 15 3 Realistic Constraints We are working on developing codes using Labview. Design Process Economy, Environment, Society, Ethics, Aesthetics, Health and Safety, Productivity, Durability, Industrial Standards. 16 Manufacturing Stage We are working on developing codes using Labview. 3 Design Process 1. Initialization 2. Check 3d graph, first slope 3. Tuning the property of bending wire (company, shape, thickness) 17 Manufacturing Stage We are working on developing codes using Labview. 3 Design Process 1. Using first slope and data of bending point make pulse 2. The pulse go next step *Can monitoring 18 Manufacturing Stage We are working on developing codes using Labview. 3 Design Process 1. Linear motion, roll, bending in FPGA 2. Control motors by pulses 19 Manufacturing Stage We are working on developing codes using Labview. 3 Design Process In final presentation… We won’t spend slide this much for Labview algorithm. 20 Manufacturing Hardware Stage This picture shows our design of bending machine. 3 Design Process 21 Manufacturing Hardware Stage This picture shows our assembled bending machine. 3 Design Process 22 Why is it required to have tests? Because of Spring-back effect, test is required. 4 Test & Evaluation We will find out spring back coefficient by experiment 23 Why is it required to have tests? 4 Test & Evaluation We have to find pulse function in terms of angle... 𝑝𝑢𝑙𝑠𝑒 = 𝑓 𝑐, 𝑠, 𝑤, 𝜑, 𝜃 𝑑 𝑐 ∶ 𝑐𝑜𝑚𝑝𝑎𝑛𝑦, 𝑠 ∶ 𝑠ℎ𝑎𝑝𝑒, 𝑤 ∶ 𝑤𝑖𝑑𝑡ℎ, 𝜑 ∶ 3𝐷 𝑏𝑒𝑛𝑑𝑖𝑛𝑔 𝑎𝑛𝑔𝑙𝑒, 𝜃 𝑑 ∶ 𝑑𝑒𝑠𝑖𝑟𝑒𝑑 𝑏𝑒𝑛𝑑𝑖𝑛𝑔 𝑎𝑛𝑔𝑙𝑒 by experiment, we need to figure out spring-back coefficient. Measure the angle while pulse is increasing. 24 4 Why is it required to have tests? Test & Evaluation These are fake data… Experiment Fitted function 25 How do we Evaluate Our Product? … 4 Test & Evaluation Criteria Accuracy Minimum bending length Bending angle error Bended wire width Bended wire shape Time Bending time 26 Bending Machine for Orthodontic archwires Maybe, Demonstration or Simulation Video will be shown here. 5 Final Product 27 Any question and advice are welcome :D Do not hesitate. Just raise your hands. 6 Question & Answer 28 Thank You