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1 ME 383 Modern Manufacturing Practices Lecture Note #1 Introduction Dr. Y.B. Guo Mechanical Engineering The University of Alabama

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Page 1: ME 383 Modern Manufacturing Practices - University of … ·  · 2005-01-09ME 383 Modern Manufacturing Practices Lecture Note #1 ... (CNC rapid prototyping or computer simulation)

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ME 383

Modern Manufacturing Practices

Lecture Note #1

Introduction

Dr. Y.B. GuoMechanical Engineering

The University of Alabama

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Today’s Lecture

• Course Policy• Introduction• Aspects of Manufacturing

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Instructor

Dr. Y.B. GuoHR 261, 348-2615

[email protected]://unix.eng.ua.edu/~yguo

Office Hours: MW 4:00-5:00 PM orby Appointment

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TA

Sushil Ammula HR 285

[email protected]

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Pre and Corequisites

• Prerequisites: DR 133 (2D AutoCAD for Engineers)

• Corequisites: ESM 250 (Mechanics of Materials);MTE 271 (Engineering Materials)

• Required for ME, MFGE, IE …

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Notes, Textbook, and References

• Lecture Notes: http://www.me.ua.edu/me383• Text: Manufacturing Processes for Engineering

Materials, 4th edition, S. Kalpakjian and S.R. Schmid, Prentice Hall, 2003

• References: three books

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Enrollment

• Lec :MW 9:00 - 9:50am , HR 286• Lab: M 2:30-6:30 pm

Rm. 1213 (machine shop)Shelton State Community College 9500 Old Greensboro Rd.

• Mandatory Enrollment: Lecture (ME 383)Laboratory (ME 283)

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Class Structure and Policies

• Mandatory Attendance• Assignments

Regular HW and in-class quizzesHW due as specified50% off for late HW

• Lab (ME 283): Mr. Ronnie Guy at SS, 391-2444BAMA Vise

• Project: 1 for each group(CNC rapid prototyping or computer simulation)

• Exams: 2 midterms, 1 final exam

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Class Structure and Policies

• GradingME 383:Homework & Quiz 20% Midterm (x 2) 20% eachFinal 20% Project 20% (team: 15%;

individual: 5%)ME 283:Team 80% (given by the instructor) Individual 20% (given by your team members)

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Class Structure and Policies

• GradingA: 90-100B: 80-89.9C: 70-79.9D: 60-69.9F: < 60“+” and “-”: upper and lower 25% in each range

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Introduction

• Manufacturing:Made by hand: manus (hand),factus (make)

• Definition: the process of converting raw materials into products

Product Design

Materials Selection

Manufacturing Processes Quality

(Value added)

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Manufactured Products

• Discrete Products: individual parts, such as nails, gears, bearing balls, cans, engine blocks, …

• Continuous Products: items produced by continuous processes, such as sheet metal coil (almost), oil refinery, …

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Concurrent Manufacturing

Manufacturing

Market

Market

Specification

Concept Design

Detail Design

(CAD)

(CAM)

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Materials Selection

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Manufacturing Processes

Manufacturing Processes

Casting:Expendable

mold

Permanent mold

Forming & Shaping:

Rolling

Forging

Extrusion

Drawing

Sheet forming

PM

Machining:Turning

Milling

Drilling

Boring

Grinding

Shaping

broaching

Joining:Welding

Brazing

Soldering

Bonding

assembly

Finishing:Lapping

Polishing

Deburring

Surface treating

coating

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Manufacturing Processes Examples- Casting

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Manufacturing Processes Examples- Forming

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Manufacturing Processes Examples-Forming

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Manufacturing Processes Examples- Machining

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Manufacturing Processes Examples-Machining

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Manufacturing Processes Examples - Joining

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Manufacturing Processes Examples - Selection

• Geometry• Material Properties• Quantity• Quality• Cost

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Quality Assurance

• Next Lecture