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Blog
Diamond Tool Classifications
June 27, 2019

Diamond tools like diamond wheels are predominantly used for cutting applications that require a greater degree of strength than conventional cutting apparatuses. Grains of diamond are attached to the operational parts of the tool through the use of a bonding agent. Diamond is known to be a super hard material, allowing for a multitude of comparative advantages over tools that use more common abrasive materials like silicon carbide.

 

 

What are the advantages of using diamond tools?

 

When diamond is used for abrasive applications, it offers many advantages over more commonly used abrasive materials. Diamond is known to be one of the hardest materials on earth – when used in cutting applications as an abrasive material such as in diamond wheels, it offers excellent strength, solid durability, wear resistance, and a lower friction coefficient.

 

 

How do we categorize diamond tools?

 

Diamond tools are categorized based on manufacturing application or type of bond. The following are common classifications of diamond tools by application:

 

 

Metal-Bonded

 

  • The bonding agent used is sintered metal which holds diamond grit. The operational aspects of the tool are diamond segments
  • Examples of metal-bonded diamond tools can include diamond blades, diamond wheels, diamond core drill bits, etc.

 

Resin-Bonded

 

  • The bonding agent used in primarily resin powder
  • An example of a resin-bonded tool is a diamond polishing pad

 

Plated

 

  • Diamonds are fixed to the tool’s base through electroplating or chemical vapor deposition (CVD)

 

Ceramic-Bonded

 

  • The bonding agent used is a combination of glass and ceramic powder
  • Tools offer the advantages of excellent chemical stability and decreased elastic deformity

 

Polycrystalline Diamond

 

  • Bonding occurs via the sintering of micro-sized diamonds at a higher temperature and pressure
  • Advantages include solid fracture toughness and durability, and solid thermal stability

 

Polycrystalline Diamond Compact

 

  • Bonding occurs by combining layers of polycrystalline diamonds (PCD) with cemented carbide at a higher temperature and pressure level
  • Advantages include solid wear resistance and toughness

 

High Temperature Brazed

 

  • Diamonds are bonded to the tool through a solder at extremely high temperatures (over 900 degrees Celsius)
  • The solder is capable of firmly grasping the diamond in place, with the single lining of diamond’s height reaching almost 80% of their size

 

Interesting read - diamond tools are perfect for cutting through tougher materials
Posted by: Nolan | June 27, 2019, 3:35 pm
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