Technology Education

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Technology Education

• Production Technology

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Manufacturing

• The changing of materials into usable products
• Materials are one of the seven resources of
  technology
• The two types of materials are - Natural and
  Synthetic

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Natural Materials

• Wood - Hardwood or Softwood. Hardwood comes from
  deciduous trees most furniture is made from
  hardwood. Softwood is made from evergreen trees
  and is used for construction lumber

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• Metals - are ferrous (containing iron) or
  non-ferrous (without iron) Natural metals
  include Iron, Aluminum, Copper, Zinc, Tin and
  Lead

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Synthetic Materials

• Plastics - Fall into two categories
• Thermoplastics are heated and molded into shape -
  they can be heated and remolded
• Thermoset Plastics are heated and can only be
  molded once

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More Synthetics

• Ceramics - made by firing (baking clay) used for
  tiles, bricks, cookware and space shuttle tiles
• Composites Materials - combining two or more
  materials. Ex Concrete plywood

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Processing Materials

• Raw Materials - exists as they do in nature. Ex
  a tree.
• Industrial Materials Materials that are used to
  make products. Ex Trees become Lumber.

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Processing Materials

• Primary Processes change raw materials into
  industrial materials. Three primary processes
  are Mechanical - Thermal and Chemical

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Processing Materials

• Secondary Processes - turn industrial materials
  into finished - Lumber into Furniture
• Forming - changing the shape of the material
  without adding or taking anything away
• Casting, Forging, Stamping, and Extrusion

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Processing Materials

• Separating - is the cutting of materials to size
  and shape - Some of the materials are often lost.

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• Combining - putting materials together through -
  mixing, mechanical fasteners, soldering and
  braizing and coating
• Conditioning - changes the internal structure of
  the material

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7 ResourcesAll activities of technology rely on
7 resources

• Energy
• Tools/machines
• Money (Capital)
• Time

• People
• Information
• Materials

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Manufacturing System

• Design and Engineering
• Purchasing
• Production

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Production Systems

• Custom Production Products are made to order
  ie - a wedding cake made for a customer or a
  cruise ship or oil rig can also be a custom
  product. They require a lot of customer input.

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• Job-Lot-Production a specific quantity is
  producedsuch as 10000 skateboard decks.
• Continuous Production usually produced on an
  assembly line also called mass production.

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Computers in Manufacturing

• Computer aided design (CAD)
• Computer Aided Manufacturing (CAM)

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• CAM and CAD are a combination of two separate
  systems computers can be used to design a
  product and then the same computer may then be
  able to control the machines that manufacture the
  product.

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Impacts of Production

• Economy - manufacturing is a major part of the
  economy. It accounts for 20 of Gross Domestic
  Product (the total value of goods and services
  produced each year)
• Society - New products make life easier and
  increase our leisure time. New medical products
  save lives.

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• Safety - factories and production methods are
  less dangerous. Safety equipment is mandatory.
• Environment - both positive and negative impacts
  are felt.