Superabrasives Engineering Certificate Course (22 Hours)


Syllabus


  1. Introduction
    1. Abrasives versus Superabrasives
    2. History
      1. History of abrasives and superabrasives
      2. Development and advancements through the years
      3. Present applications of abrasives and superabrasives – process descriptions
    3. Types of abrasives and superabrasives
    4. Properties, developments and usage
      1. General description and properties:
        1. Mechanical properties: abrasion resistance, thermal conductivity, compression strength, hardness
        2. Morphology, shape and size of particles
    5. Diamond
      1. Natural diamond: development and usage
      2. Synthetic diamond: development and usage
    6. Cubic boron nitride
    7. CVD
    8. Polycrystalline products
    9. Micron products
      1. Types of micron products
      2. Crystal shape
      3. Crystal surface chemistry
      4. Fracture and crystal sizing and inspection methods
    10. Technical terms and definitions

  2. Grinding with superabrasives
    1. Grinding mechanism
    2. Types of grinding processes
    3. Grinding with diamond
      1. Types of diamond wheels
      2. Diamond for resin and some vitrified bonds: shape, performance, bond systems, coatings, applications
      3. Diamond for metal, electroplated and vitrified bonds: shape, performance, applications
    4. Grinding with CBN
      1. Types of CBN and characteristics
      2. Bond systems and applications
      3. Types of wheels
      4. Truing, dressing and conditioning of CBN wheels
      5. nfluence of mesh size and concentration upon grinding performance
      6. Precision requirements and applications
      7. Coolants: water and oil based coolants, air mist, volume and pressure

  3. Machining with polycrystalline superabrasives
    1. Cutting with polycrystalline superabrasive materials
      1. Turning
      2. Milling
      3. Drilling
    2. Machining with PCD
      1. Materials and applications
      2. Tool fabrication
      3. Cutting edge considerations
      4. Thermally stable drilling processes with PCD: mining, oil/gas exploration
      5. Coolants
      6. Handling/safety considerations
    3. Machining with PCBN
      1. Materials and applications
      2. Tool fabrication and machinetool considerations
      3. Cutting edge considerations
      4. Handling/safety considerations

  4. Nonabrasive processes involving hard material tools
    1. Wire dies
      1. Single crystal tool material
      2. . Limitations
      3. Materials and applications
    2. Burnishing
      1. Description, tooling and applications
      2. Rolling burnishing
      3. Sliding burnishing

  5. Machining with micron products
    1. Performance characteristics
    2. Carrier systems
    3. Coatings
    4. Applications

  6. Lapping and polishing with micron products

  7. Machinetools – design features
    1. Truing devices
    2. Parameters: feed, speed
    3. Automation features

  8. Safety
    1. Environmental issues
    2. Coolant disposal
    3. Hazardous waste

  9. How to justify usage of superabrasives

  10. Standards in the field of superabrasives

  11. References
    1. Publications
    2. Industry consultants, catalogs, prospectuses
    3. Articles
    4. Websites
    5. Videos


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rev 2/20/02