Description of Internal Grinding

Most internal grinding wheels are Type 01, 05 or 06 in diameters up to 9 inches with vitrified bond in Alundum (32A, 53A), Targa (5TG), Norton SG (1SG, 3SG, 5SG) and Crystolon (37C, 39C) abrasives with varied grit sizes and grades.

• Bosch
• Brown and Sharp
• Bryant
• Cincinnati
• Excello
• UVA

• Heald
• Jones and Shipman
• Kellenbeger
• Landis
• Lidköping

• Majestic
• Oerlikon/Springfield
• Okomoto
• Rivett
• Tripet

• Bearing
• Automobile
• Aircraft

• Aerospace
• Electrical and engine industries
• Tool rooms

• General shops in almost all industries

Aluminum

Armatures

Ball and roller bearing bores

Ball Bearing Races

- Grind outer race

- Internal grind bore

Bearing Bore

Boron Carbide (Norbide)

Brass

Bronze

- Soft

- Hard

Bushings

- Cast iron

- Hardened steel

Cartridge dies (tungsten steel)

Cast Iron

Cemented carbides

Ceramics

Chrome plated parts

Colmonoy

Dies

- Carbon steel

- High carbon, high chrome

- Cemented carbides

Ferrite

Ferrotic (Hardened State)

Gauges, Ring (steel)

Gears (hardened steel)

- Internal and face grind

Hastalloy

Inconel or Inconel X (with heavy duty or straight oil)

NiHard

Silicon Nitride

Sprayed Materials

- General nickel, chrome, cobalt and stainless

- Carbide, zirconia, tungsten,     alumina, zirconate, high cobalt and titania

Sprayed Metal

Steel

- Castings and forgings

- Soft

- Hardened

 - Nitrided

- High speed

- Stainless (non-hardenable, 300 series)

- Stainless (hardenable, 400 series)

Stellite (also Resalloy, Tantung)

Titanium

Tool steels

Tungsten

Valve lifter bodies

Waspalloy (with straight oil)