FSK

Mounted Points for Internal Grinding / JIG Grinding

Super Abrasive Mounted Points (CBN / Diamond)

We line up characteristic bonds (types) from the abundant bond system that we have been cultivating for many years.

The “VITBORA G-type,” which is superior in dressing ability and optimal for precision mass production internal grinding, has uniform vent holes for stable sharpness that lasts due to its high abrasive grain retention.

In addition, our unique “Metaceran” (registered trademark) features a mixed bond with vitrification and metal, which is high in heat-resistance and characteristically sees less loading / glazing than metal.

Bond type：

Vitrified, Electroplated, Metaceran, Resinoid, Metal

Stone outer diameter：

φ0.05～5mm (Tungsten carbide shank), φ0.3～15mm (stainless shank)

Standard inventory：

Over 300 types (Electroplated)

Application：

Ceramic parts for semiconductor manufacturing equipment

Automobile powertrain parts (parts for fuel injection pumps, steering parts)

Aspheric lens molds, bearings, precision gears.

Mounted Points for Precision Grinding

One of our company’s specialized fields. We respond to special orders regarding mounted points with specifications in many shapes and sizes for use in grinding that demands precise accuracy, especially for bearings, etc.

We have been making deliveries to major manufacturers of bearings in Japan for more than 30 years while receiving praise for our high reliability regarding quality.

Furthermore, we are capable of producing mounted point outer diameters with a dimensional accuracy of ±0.01mm; generally +0/-0.01mm （φ3〜6.35） for shank accuracy and +0/-0.005mm for high-accuracy parts.

Bond type：

Vitrified

Stone outer diameter：

φ0.8mm～ accuracy ±1/100mm

Shank diameter accuracy：

For a shank diameter of 3mm～6.35mm, +0/-0.01 (stainless), +0/-0.005mm (Tungsten carbide)

Application：

Bearings, miniature ball bearings

Mounted Points for Hand Grinders (Conventional Mounted Points)

We constantly maintain our position at #1 in market shares for mounted points in Japan, along with the plentiful assortment of products in our standard inventory. These are continuously used in turbine blades for aircraft engines, and the maintenance of turbine blades for major heavy industry power generators. Furthermore, they are used in turbochargers for automobiles.

Bond type：

Vitrified, Resinoid

Stone outer diameter：

φ3mm～50mm

Standard inventory：

253 types

Application：

Turbine blades (aircraft engines, turbine blades for power generators) For automobiles (turbochargers), general steel material, casting deburring.

Grinding Wheels for Precision Surface Grinding and Cylindrical Grinding

Super Abrasive Grinding Wheels (CBN / Diamond)

Our Vitrified Borazon CBN Bond (registered trademark “VITBORA”) sold the fastest worldwide in 1971. After over 50 years of production, our abundant bond system has been constructed to enable support for all kinds of needs.

Product name：

Use in machinery：

Surface grinding machine

Characteristics：

Tooling possible with single-stone diamond without using dressing equipment

Specifications：

Normal type grit size ＃140,

surface roughness improvement type grit size ＃170

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