Foundations of Technology Manufacturing

Foundations of Technology Manufacturing
STEMCenter for Teaching & Learning™ Engineering byDesign™ 12/01/2009 Foundations of Technology Manufacturing TITLE SLIDE Teacher Resource – Unit 3 Lesson 2 © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

STEMCenter for Teaching & Learning™ Engineering byDesign™
12/01/2009 The BIG Idea Big Idea: Manufacturing is the process of producing goods and materials and ensuring that the properties of materials meet the desired function of the product. [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

Materials and Manufacturing
STEMCenter for Teaching & Learning™ Engineering byDesign™ 12/01/2009 Materials and Manufacturing Materials have different properties, limitations, and durability. Selecting the appropriate material for a product is an essential task. Materials can be generally classified as natural, synthetic, or mixed. [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

Materials and Manufacturing
STEMCenter for Teaching & Learning™ Engineering byDesign™ 12/01/2009 Materials and Manufacturing Selecting the appropriate material is based on three qualifications: The material type and the function The manufacturing process, quantity, and cost Sustainability [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Types Materials are generally categorized into the following groups: Metals Ceramics Polymers Composites [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Types Metals are elements, compounds, or alloys that account for roughly two-thirds of all materials and have properties that include: Strength, ductility, high melting point, thermal and electric conductivity, and toughness Metals can be easily bonded—they have free electrons that can easily move from one atom to the next. [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Types Ceramics are an inorganic and nonmetallic material formed from powdered materials through the application of heat and have properties that include: Strength, hardness, resistance to high temperatures but often brittle, and depending on how the product is formed, dense or lightweight, conductive or not, magnetic or not [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Types Polymers are commonly referred to as plastics or rubber. Plastics are group of synthetic materials that are formed or molded into shape. Rubber can be easily deformed and return to its near original shape. Polymers often resist corrosion, resist conduction, and are less dense than metal or ceramics. [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Types Polymers are divided into two categories: Thermoplastics – materials that can be melted and then molded or extruded into a product (polyethylene, polypropylene) Thermoset plastics – materials that cannot be melted or remelted (resins, epoxies) [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Types Composites are any combination of two or more distinct materials that maintain their original properties. Common composites include: Reinforced plastics Metal or ceramic – matrix composites Concrete and fiberglass [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions The properties of materials can be generally categorized into the following groups: Mechanical Electrical Magnetic Thermal [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Mechanical properties of materials involve a reaction to a load or application of a force. Tensile Strength – measures the material’s resistance to being pulled apart [Authors: Please include teacher notes appropriately.] Force Material Force © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Mechanical properties of materials involve a reaction to a load or application of a force. Compression Strength – measures the material’s resistance to being squeezed [Authors: Please include teacher notes appropriately.] Force Material Force © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Mechanical properties of materials involve a reaction to a load or application of a force. Fatigue Strength – measures the material’s resistance to various types of rapidly changing stresses Force 2 [Authors: Please include teacher notes appropriately.] Material Force 1 Force 3 © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Mechanical properties of materials involve a reaction to a load or application of a force. Hardness – the material’s resistance to permanent indentation [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Mechanical properties of materials involve a reaction to a load or application of a force. Elasticity – the material’s ability to return to its near original shape after a stress has been applied and removed [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Mechanical properties of materials involve a reaction to a load or application of a force. Brittleness –how easily a material breaks or shatters when a tensile stress is applied [Authors: Please include teacher notes appropriately.] Force Force © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Mechanical properties of materials involve a reaction to a load or application of a force. Ductility and Malleability – the material’s ability to stretch, bend, or twist without breaking [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Electrical conductivity is the measure of how well the material accommodates the movement of an electrical charge. Electrical resistivity is the measure of how well the material resists the movement of an electrical charge. [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Magnetic permeability is the ability of the material to become magnetized. Material [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Material Functions Thermal conductivity is the property of a material to transfer heat. Thermal expansion is how much a material expands as heat is increased. [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Manufacturing Types Primary processes turn raw materials into standard stock (example – timber cut into boards) Secondary processes turn standard stock into finished products (example – boards turned into furniture) [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Manufacturing Types Secondary processes are further broken down into one of three types: Custom Batch Continuous [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Manufacturing Types Custom Manufacturing: A product that is one of a kind and manufactured by a specialist. Product examples: Yacht, homes, very specific parts or products, custom furniture [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Manufacturing Types Batch Manufacturing: Products made in groups, where the components of a product are traditionally completed at one station before moving to the next station. Product Examples: bakery items, paints, shoes [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Manufacturing Types Continuous Manufacturing: Products made with no interruption in the production line Product examples: cars, food products, bricks [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

12/01/2009 Manufacturing Types Determining how a product will be manufactured has a large impact on the material(s) selected. Different methods of forming, casting, machining, joining, and rapid manufacturing will impact tool cost, the volume that can be produced, and the rate of production. [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

Manufacturing Processes
STEMCenter for Teaching & Learning™ Engineering byDesign™ 12/01/2009 Manufacturing Processes Parts or products are produced in several different ways, included in the list below: Forming – the process where a raw material is reshaped to form the desired part Casting – when a liquid material is poured into a mold, which represents a hollow version of the part, also known as the cast [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

STEMCenter for Teaching & Learning™ Engineering byDesign™ 12/01/2009 Manufacturing Processes Parts or products are produced in several different ways, included the list below: Machining – the process in which a piece or raw material is cut into the desired part; generally involves a controlled removal of the raw material Joining – the process of joining two materials using some type of fastener [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

STEMCenter for Teaching & Learning™ Engineering byDesign™ 12/01/2009 Manufacturing Processes Parts or products are produced in several different ways, included the list below: Rapid manufacturing – also known as additive manufacturing or 3D printing – is the process of making a part from a digital model by adding material in layers [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

Interchangeable Parts
STEMCenter for Teaching & Learning™ Engineering byDesign™ 12/01/2009 Interchangeable Parts Interchangeable parts are identical parts manufactured to a specification so that one part can easily replace another without having to build a custom part. The invention of interchangeable parts was developed by the printing industry using moveable type. [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

Interchangeable Parts
STEMCenter for Teaching & Learning™ Engineering byDesign™ 12/01/2009 Interchangeable Parts The interchangeability of parts has greatly increased the efficiency of all manufacturing processes. Product examples: [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

Sustainable Manufacturing
STEMCenter for Teaching & Learning™ Engineering byDesign™ 12/01/2009 Sustainable Manufacturing Sustainable manufacturing is the creation of products and processes that do not pollute, conserve energy/natural resources, and are economically sound and safe for employees and consumers. Sustainable manufacturing also recognizes the importance of producing sustainable products and producing products that are energy-efficient. [Authors: Please include teacher notes appropriately.] © 2013 International Technology and Engineering Educators Association STEMCenter for Teaching and Learning™ Foundations of Technology © International Technology Education Assoc

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