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Bell Work Primary and Secondary Processes Read page 40 in Chapter 5 of the Manufacturing book

Bell Work Primary and Secondary Processes Read page 40 in Chapter 5 of the Manufacturing book. Primary and Secondary Processes. Raw materials are converted into products that we can use by primary and secondary processes. primary processes – processes by which industrial materials are made.

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Bell Work Primary and Secondary Processes Read page 40 in Chapter 5 of the Manufacturing book

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  1. Bell WorkPrimary and Secondary ProcessesRead page 40 in Chapter 5 of the Manufacturing book

  2. Primary and Secondary Processes

  3. Raw materials are converted into products that we can use by primary and secondary processes. primary processes – processes by which industrial materials are made

  4. 3 Primary Processes: 1. Thermal - using heat to change the materials properties - heating ores to extract metal from impurities 2. Mechanical - cutting or crushing - cutting logs into lumber

  5. 3. Chemical - using chemical reactions to refine raw materials - plastics Secondary processes – turns industrial materials into usable products

  6. Secondary Processes: 1. Casting and Molding – adding liquid to a mold 2. Forming – forcing a material into a permanent shape 3. Separating – changing a material’s size by removing excess 4. Conditioning – changing the internal properties by heat, force, or chemical

  7. 5. Assembling – putting parts together 6. Finishing – protecting or improving a surfaces appearance

  8. Additive process - building or adding material to form an item - 3D printing, stereo lithography, coating

  9. Benefits of Additive Manufacturing - complex geometry/topology (shape)

  10. Benefits of Additive Manufacturing - complex geometry/topology (shape) - lighter weight

  11. Benefits of Additive Manufacturing - complex geometry/topology (shape) - lighter weight - print multiple parts at once

  12. Benefits of Additive Manufacturing - customization - low volume - personalization - time savings - less post-processing - finer finishes - cost

  13. Cost Benefits - decrease in material usage - reduced inventory storage - less material removal - time savings - little or no scrap or waste - cuts tooling expenditures

  14. Subtractive process - removing excess material to form it - sawing, milling Rapid prototyping/modeling - new methods of producing prototypes or models quicker than traditional methods

  15. Examples Include - 3D printing  - modeling and simulation software - generating .STL files (stereo-lithography)

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