Diamond/CBN Tools
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The Application of Diamond Tools
| Cutting Tools – Cemented Carbide – Cermet – Ceramic – (Alumina,etc.) Electronic Components – Ceramic – Silicon – Germanium Magnetic Materials – Ferrite – Rare Earth Cobalt |
Hard and Brittle Materials – Glass – Crystal – Ceramic Ware Stones and Ceramic Products – Stones – Fire-resistant Material – Tile – Asphalt – Concrete |
Abrasion Resistant Metal – Thermal Sprayed Metal – Stellite – Ferrotic Plastics – Fiber Reinforced Plastic GraphiteGeneral Grinding WheelsJewellery |
The Application of CBN Tools
| Cutting Tools – High Speed Tool Steel – Alloy Tool Steel – Carbon Tool Steel Abrasion Resistant Tools – Alloy Tool Steel – Stellite – Thermal Sprayed MetalCorrosion Resistant Metal – Stainless Steel |
Structural Components – Chrome Molybdenum Steel – Nickel Chromium Steel – Chromium Steel – High Carbon Chromium Bearing Steel Heat Resistant Metal – Heat Resisting Steel – Inconel – Titanium Alloy – Cemented Carbide – Hastelloy |
Cast Iron
Magnetic Materials |
Physical Properties of Diamond and CBN
| Diamond | CBN | |
|---|---|---|
| Specific Gravity | 3,15 | 3,48 |
| Thermal Expansion Coefficient(x10-6degrees centigrade) | 0,90 | 3,50 |
| Thermal Stability(degrees centigrade) | 600-900 | 1,370 |
| Hardness (knoop kg/mm2) | 7,000 | 4,700 |
Bond characteristic of Diamond/CBN wheel
Resinoid Bonded Wheels
Resinoid bonded wheels are produced by bonding diamond and CBN grains with phenol resin.
Some of them are produced with filler to improve strength and/or heat-resisting property.
With selfgenerating cutting edges, resinoid bonded wheels have excellent cutting ability and longer dress interval. Thus, resinoid bonded wheels suit various uses such as tool grinding, quenched steel grinding, grinding of glasses, ceramics, ferrite that requires quality characteristic or strict surface roughness and high precision grinding..
BX Wheels/RX Wheels
BX wheels/RX wheels are produced by bonding diamond and CBN grains with polyimide resin to reinforce heat-resisting property of phenol resin wheel.
These wheels cut deep and feed slowly, and thus, are suitable for heavy grinding.
Vitrified Bonded Wheels
Vitrified bonded wheels are produced with high strength glass bond.
While other bonds are poreless, vitrified bonded wheels can be made porous.
Vitrified bonded CBN wheels are easy to dress unlike wheels of other bonds, and have excellent cutting ability. Therefore, are widely used in many grinding works.
Metal Bonded Wheels
Metal bonded wheels are produced by bonding grains with metal powders such as copper, tin, steel and cobalt. These wheels hold grains well and are highly abrasion resistant, impact resistant and long-life.
Electroplated Tools
Electroplated tools are produced by fixing grain with single layer nickel plating. With the excellent grain protrusion, they have excellent cutting ability and removal speed.
Since grains are fixed by plating method, forming wheels of complicated shape can be produced comparatively easily, given the steel core can be made.
