1. MACHINE ELEMENTS 1 INTRODUCTION * Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
07/16/96
MACHINE ELEMENTS
INTRODUCTION 1 * ##

2. Outline: Introduction Introduction to Mechanical Engineering Design
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Outline:
Introduction
Introduction to Mechanical Engineering Design
Materials
Load and Stress Analysis
Deflection and Stiffness
Shafts and Shaft Components
Screws, Fasteners, and the Design of Nonpermanent Joints
Welding, Bonding, and the Design of Permanent Joints
Mechanical Springs
Rolling−Contact Bearings

3. Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Referensi:
Khumi and Gupta . Theory of Machine Element. New Delhi : Eurasin Publishery.
Spott, MF, Design of Machine Elemen, Tokyo: Prentice Hall 1973
Hacl, AS & Holowenko AR. Machine Design, New York: Mc Graw Hill, 1977
Gustaf Nieman : Machine Element, Design and Calcution, Vol I & II, Springer Verlag.
Phelan : Fundamental of Mechanical Design, Mc Graw Hill.
Sularso, Dasar Perencanaan dan Pemilihan Elemen Mesin, Jakarta: Pradya Paramita 1983
Ir. Jac. Stolk, Ir. C. Kros : Elemen Mesin , Erlangga, Jakarta : 1984

4. INTRODUCTION Introduction to Mechanical Engineering Design Materials
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
INTRODUCTION
Introduction to Mechanical Engineering Design
Materials
Load and Stress Analysis
Deflection and Stiffness

5. DESIGN DASAR-DASAR PERANCANGAN MEKANIS: Perancangan elemen tunggal
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Introduction to Mechanical Engineering Design
DESIGN
DASAR-DASAR PERANCANGAN MEKANIS:
Perancangan elemen tunggal
Assembly komponen
BIDANG-BIDANG PERANCANGAN PRODUK MEKANIS
Produk Konsumen: mixer, gergaji rantai, vacuum cleaner, dll
Sistem manufakturing: konveyor, derek, robot-robot industri, dll
Peralatan konstruksi: truk sampah, traktor, kompresor, dll

6. Phases and Interactions of the Design Process*
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Introduction to Mechanical Engineering Design
07/16/96
Phases and Interactions of the Design Process
Functionality
Strength/stress
Distortion/deflection/stiffness
Wear
Corrosion
Safety
Reliability
Manufacturability
Utility
Cost
Friction
Weight
Life
Noise
Styling
Shape
Size
Control
Thermal properties
Surface
Lubrication
Marketability
Maintenance
Volume
Liability
Remanufacturing/resource recovery * ##

7. Design Tools and Resources*
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Introduction to Mechanical Engineering Design
07/16/96
Design Tools and Resources
Computational Tools
Engineering software
Non-engineering software
Match software
Acquiring Technical Information
Libraries (community, university, and private).
Government sources.
Professional societies.
Commercial vendors
Internet * ##

8. The Design Engineer’s Professional Responsibilities*
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Introduction to Mechanical Engineering Design
07/16/96
The Design Engineer’s Professional Responsibilities
Understand the problem
Identify the known
Identify the unknown and formulate the solution strategy
State all assumptions and decisions
Analyze the problem
Evaluate your solution
Present your solution
DESIGN ENGINEER
Active member of a professional society
Courses
Reading technical and professional journals
AN ENGINEER’S EDUCATION DOES NOT END AT GRADUATION * ##

9. Standards and Codes Introduction to Mechanical Engineering Design
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Introduction to Mechanical Engineering Design
Standards and Codes
Aluminum Association (AA)
American Gear Manufacturers Association (AGMA)
American Institute of Steel Construction (AISC)
American Iron and Steel Institute (AISI)
American National Standards Institute (ANSI)5
ASM International
American Society of Mechanical Engineers (ASME)
American Society of Testing and Materials (ASTM)
American Welding Society (AWS)
American Bearing Manufacturers Association (ABMA)7
British Standards Institution (BSI)
Industrial Fasteners Institute (IFI)
Institution of Mechanical Engineers (I. Mech. E.)
International Bureau of Weights and Measures (BIPM)
International Standards Organization (ISO)
National Institute for Standards and Technology (NIST)8
Society of Automotive Engineers (SAE)

10. Economics Standard Sizes Large Tolerances Breakeven Points*
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Introduction to Mechanical Engineering Design
07/16/96
Economics
Standard Sizes
Large Tolerances
Breakeven Points
Cost Estimates * ##

11. Examples of uncertainties concerning stress and strength include:*
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Introduction to Mechanical Engineering Design
07/16/96
Uncertainty
Examples of uncertainties concerning
stress and strength include:
Composition of material and the effect of variation on properties.
Variations in properties from place to place within a bar of stock.
Effect of processing locally, or nearby, on properties.
Effect of nearby assemblies such as weldments and shrink fits on stress conditions.
Effect of thermomechanical treatment on properties.
Intensity and distribution of loading.
Validity of mathematical models used to represent reality.
Intensity of stress concentrations.
Influence of time on strength and geometry.
Effect of corrosion.
Effect of wear. * ##

12. Dimensions and Tolerances
Materials Processing and Design
Teknik Mesin, Universitas Gunadarma
Introduction to Mechanical Engineering Design
Dimensions and Tolerances
Nominal size.
Limits.
Tolerance
Bilateral tolerance
Unilateral tolerance.
Clearance.
Interference
Allowance