Superabrasives Engineering Certificate Course (22 Hours)
Syllabus
Introduction
Abrasives versus Superabrasives
History
History of abrasives and superabrasives
Development and advancements through the years
Present applications of abrasives and superabrasives – process descriptions
Types of abrasives and superabrasives
Properties, developments and usage
General description and properties:
Mechanical properties: abrasion resistance, thermal conductivity, compression strength, hardness
Morphology, shape and size of particles
Diamond
Natural diamond: development and usage
Synthetic diamond: development and usage
Cubic boron nitride
CVD
Polycrystalline products
Micron products
Types of micron products
Crystal shape
Crystal surface chemistry
Fracture and crystal sizing and inspection methods
Technical terms and definitions
Grinding with superabrasives
Grinding mechanism
Types of grinding processes
Grinding with diamond
Types of diamond wheels
Diamond for resin and some vitrified bonds: shape, performance, bond systems, coatings, applications
Diamond for metal, electroplated and vitrified bonds: shape, performance, applications
Grinding with CBN
Types of CBN and characteristics
Bond systems and applications
Types of wheels
Truing, dressing and conditioning of CBN wheels
nfluence of mesh size and concentration upon grinding performance
Precision requirements and applications
Coolants: water and oil based coolants, air mist, volume and pressure
Machining with polycrystalline superabrasives
Cutting with polycrystalline superabrasive materials
Turning
Milling
Drilling
Machining with PCD
Materials and applications
Tool fabrication
Cutting edge considerations
Thermally stable drilling processes with PCD: mining, oil/gas exploration
Coolants
Handling/safety considerations
Machining with PCBN
Materials and applications
Tool fabrication and machinetool considerations
Cutting edge considerations
Handling/safety considerations
Nonabrasive processes involving hard material tools
Wire dies
Single crystal tool material
. Limitations
Materials and applications
Burnishing
Description, tooling and applications
Rolling burnishing
Sliding burnishing
Machining with micron products
Performance characteristics
Carrier systems
Coatings
Applications
Lapping and polishing with micron products
Machinetools – design features
Truing devices
Parameters: feed, speed
Automation features
Safety
Environmental issues
Coolant disposal
Hazardous waste
How to justify usage of superabrasives
Standards in the field of superabrasives
References
Publications
Industry consultants, catalogs, prospectuses
Articles
Websites
Videos
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rev 2/20/02