introduction to manufacturing processes. types of processes primary manufacturing processes –raw...
TRANSCRIPT
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Introduction to Manufacturing Processes
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Types of Processes• Primary Manufacturing Processes
– Raw materials to useable material– Raw materials are renewable or exhaustible
• Secondary Manufacturing Processes– Create products from primary product
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Input Process Output
Feedback
Manufacturing Process
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Materials
• Ceramics, metals, and plastics are well-suited to manufacturing.
• Their properties determine the process for which they are best suited.
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The World of Materials
Organic Materials
Inorganic Materials
Solid Liquid Gas
Engineering (Industrial) Materials
Non-Engineering
Materials
Polymeric Metallic
Ceramic
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Composite Video
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Selecting Materials
InternalStructure
Types of atoms
Bonds between atoms
Molecularstructure
Property
Physical
Mechanical
Chemical
Thermal
Electrical – Magnetic
Acoustical
Optical
Conditions
ChemicalsRadiation
Mechanical Loads
Thermal
Electromagnetic Fields
Sonic Forces
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Casting and Molding
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Casting and Molding Videos
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Separating• Involves the removal of material
• Also referred to as the subtractive process
• Includes two types of processes– Chip Forming– Non-Chip Forming
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Separating Videos
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Joining
• Also referred to as the additive process
• Materials added in layers to build a finished part
• Examples– Welding– Gluing– Soldering– Prototyping
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Forming
• Uses force to cause a material to permanently take a shape
• Changes some of the material properties
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Forming Videos
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Finishing
• May be completed before or after assembly
• Used primarily to protect a product from various conditions
• Also used to enhance a product’s appearance
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Finishing – Deburring• Methods include filing, scraping, and trimming• Considerations include actual requirements
regarding work piece specifications, production quantities, and cost
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Finishing – Cleaning
• Involves the process of removing unwanted material from work pieces
• Techniques include– Alkaline cleaning– Electrolitic cleaning – Solvent cleaning – Vapor degreasing – Acid cleaning – Abrasive blasting – Abrasive wheels
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Finishing – Coating
• Involves a material being applied to a work piece
• May be mechanical, electrolytic, or conversion
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Finishing – Assembling
• Involves putting parts together
• May be temporary or permanent
• Includes bonding and mechanical fastening
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Finishing – Conditioning
• Refers to changing the physical or mechanical properties of a material
• Includes thermal, chemical, and mechanical
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Image ResourcesCustompart.net. (2008). Tutorials. Retrieved February 1,
2008, from http://www.custompartnet.com/wu/InjectionMolding
Microsoft, Inc. (2008). Clip art. Retrieved February 13, 2008, from http://office.microsoft.com/en-us/clipart/default.aspx
Society of Manufacturing Engineers (Producer). (2010). Forging. Available from the Society of Manufacturing Engineers, One SME Drive: Dearborn, Michigan 48121.
The ABB Group. (2008). Photo gallery. Retrieved June 5, 2008, from http://www.abb.com