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# \[ME303] Introduction to Mechanical Design

2018 Autumn

## Course Description

Major Core Course for Junior Year Undergrad

This course is intended for students beginning the professional study of mechanical engineering. The focus is on combining fundamental concept development with practical specification of mechanical components. Subjects covered by this course include engineering basics, failure prevention, gear components, joint components, flexible components and various other mechanical components. Special topics will be covered regarding the pathway from mechanical engineering fundamentals towards future directions of design engineer in research and industry towards advanced machinery, automation and robotics.

## Teaching Goals

* To teach students how to formulate the design and manufacturing problem for mechanical systems.
* To teach students how to apply the general mechanical engineering sciences in analyses specific to the design of mechanical components.
* To teach students in a laboratory setting how to generate concepts, conduct analyses to size components, construct, assemble, and program a prototype of a system and test its function to meet the specifications of a design and manufacturing problem.
* To reinforce students’ team skills through a team project, including problem formulation, problem solutions and written reporting of results.
* To reinforce students’ visualization and hands­-on skills through project virtual prototyping and/or physical construction exercises.

## Learning Outcomes

As a core course for mechanical engineering major, this course lays the foundation for students to conduct machine design, manufacturing and related research and development. The following learning outcomes are expected for students taking this course:

* Given functional and manufacturing requirements, utilize concept generation methods within a team setting to achieve a consensus for a product concept.
* Weigh trade-offs in concept and detail design from the perspectives of function, manufacture, design effort and available resources.
* Apply basics of conservation and constitutive laws from the mechanical engineering sciences to understand the basic nature of a posed problem.
* Compile reference (e.g. catalogue, handbook and textbook) resources to formulate an analysis for specific mechanical and mechatronic components addressed within those resources.
* Make decisions regarding buy or build for individual components of a design.
* Test, in a team setting or independently, the system performance and all failure modes that may be present per the analyses conducted during the design stage.
* Communicate engineering decisions, justification for those decisions, designs, manufacturing plans, and test results in multi-media presentation and report writing.

## Content Summary

* 4 teams of students will be formed to work on a Design Engineering Project.
* **The goal of this project** is to design and fabricate a manual linear line engraving device to mark a straight line of randomly selected length on an aluminum block with the highest precision and quality within 200 RMB budget.
* The device must be fabricated from a block of raw material according to the engineering design provided by each team.
  * All designs must be provided with a full set of engineering drawings, and approved by me before proceeding to actual fabrication.
  * The students can fabricate this device by themselves using any available tools and machines from the department, and must register with the TA before doing so.
  * The students can also send their drawings to a professional service provider, but the cost will be included in their final budget as well, and must register with the TA before doing so.
  * The students can not use any commercial linear parts to build their devices.
  * Any mechanism is welcome, as long as their can engrave a high quality and precision line on an aluminum block.
* Final assessment of their results will be scientifically tested by a professional measurement device from a professor’s lab, which will be unveiled in the final class.

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## Co-Requisite Courses

* ME102 CAD and Engineering Drawing
* MAE203 Theoretical Mechanics Ⅰ
* MSE305 Mechanics of Materials

## Course Instructor & Teaching Team

* Lead Instructor: Prof. Song Chaoyang
* Teaching Assistant: He Yang
* Office: Room 606, 7 Innovation Park

## Grading Policy

* 20%: Lab Projects
* 20%: Assignments
* 30%: Final Exam
* 30%: Final Presentation & Report

## Academic Integrity

* This course follows the SUSTech Code of Academic Integrity. Each student in this course is expected to abide by the SUSTech Code of Academic Integrity. Any work submitted by a student in this course for academic credit will be the student’s own work. Violations of the rules (e.g., cheating, copying, non-approved collaborations) will not be tolerated.

## Recommended Textbook(s)

* **Required**: Shigley’s Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering) 10th Edition by Richard G Budynas (Author), Keith J Nisbett (Author)
  * Limited reprinted copies can be borrowed from the TA.
* **Optional**: Machine Design (5th Edition) by Robert L. Norton (Author)

## Teaching Schedule

W01-C01 | [**Introduction to Mechanical Design**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK1-3Lecture.pdf) | Tue, 0800-0950, Rm 407, Block 6, Lychee Park

W01-C02 | [**Materials**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK1-5Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W02-C03 | [**Kinematics & Load Analysis**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK2-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W03-C04 | [**Deflection & Stiffness**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK3-3Lecture.pdf) | Tue, 0800-0950, Rm 407, Block 6, Lychee Park

W03-C05 | [**ME303-Wk3-5LabDis-参考文件.pdf**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-Wk3-5LabDis-%E5%8F%82%E8%80%83%E6%96%87%E4%BB%B6.pdf); [**ME303-Wk3-5LabDis-实验一.pdf**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-Wk3-5LabDis-%E5%AE%9E%E9%AA%8C%E4%B8%80.pdf)

W04-C06 | [**Failures Resulting from Static Loading**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK4-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W04-C07 | [**ME303-Wk4-5Lab-实验二.pdf**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-Wk4-5Lab-%E5%AE%9E%E9%AA%8C%E4%BA%8C.pdf)

W05-C08 | [**Failures Resulting from Variable Loading**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK5-3Lecture.pdf) | Tue, 0800-0950, Rm 407, Blk 6, Lychee Park

W05-C09 | [**Design Project**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK5-6Lab.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W06-C10 | [**Gears in General**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK6-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W07-C11 | [**Spur, Helical, Bevel & Worm Gears**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK7-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W08-C12 | [**Shafts & Shaft Components**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK8-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W09-C13 | [**Power Transmission Case Study**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK9-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W10-C14 | [**Non-Permanent Joints**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK10-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W11-C15 | [**Permanent Joints**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK11-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W12-C16 | [**Bearings, Lubrications, Brakes & Couplings**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK12-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Blk 6, Lychee Park

W13-C17 | [**Mechanical Springs**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK13-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W14-C18 | [**Flexible Mechanical Components**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK14-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

W15-C19 | [**Advanced Topics**](https://github.com/asMagicBrain/ME303-311/blob/main/2018-autumn/ME303-WK15-3Lecture.pdf) | Thu, 1400-1550, Rm 407, Block 6, Lychee Park

## Important Deadlines

### Final Week Presentation

* We will host **a mini competition** in the final week’s class, and there will be prizes.
  * Before class starts, you must submit your final report electronically at this link (to be provided later).
  * Each team will prepare a poster to showcase your design and fine-tune your prototype.
  * Then, we will compete to see which team’s design can produce the most accurate measurement.
  * Selected teams will be invited to give a 5-min Video Presentation of their design, followed by a quick Q\&A.
  * Your markings for this session will be based on your competition results\~
* Here are the things you will need before coming to the final week’s class
  * A **Prototype** fully designed and built by you, preferably a working one
  * A **Poster** describing the key features of your design and device
  * A **5-min Video** describing the technical details of your design
  * A **5-page Report** describing the technical details of your design
  * And all your team members.

### How to Video Record Your Presentation Using PowerPoint

* [There is a simple solution in Microsoft PowerPoint](https://support.office.com/en-us/article/Record-your-slide-show-in-PowerPoint-2016-or-2011-for-Mac-93e8b4a1-5efb-4f78-903b-62897b8bb14b), as a recording function is built-in in the software.
  * The content of the video should revolve around your presentation, but you are welcome to be creative about how to present it.
  * This is a Team assignment, and the question about who to present makes no sense.
  * You need to prepare and submit a PDF version of the slides.

### Late Homework Policy

* Each student is granted four unpenalized late days for the semester. Homework can be handed in no more than four days late and will receive a 25% penalty for each day late (excluding unpenalized late days used). Homework are due at 3 PM on the due date, and each late day extends the deadline by exactly 24 hours. All homework must be done to pass the course.


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