Diagrind, Inc. | SUPERABRASIVE INTERNAL GRINDING WHEELSManufacturer of Superabrasive Internal Grinding Tools

Diagrind Bond Selection Guide

DIAMOND   BOND TYPE   CBN

Size Range: .020" - 1" Diameter

Application: Grinding carbide

Coolant: Synthetic coolant recommended on wheels 1/2" and larger.

20 to 1 ratio

 

VM
Standard or Vitreous Metal Bond

Grey in color

Cutting Speed: 1,000 to 3,000 S.F.P.M.

Cannot be conventionally trued, wheels shipped ready to use

Wheels should be indicated within .0005" T.I.R. prior to grinding

 

Size Range: .020" - 1" Diameter

Application: Grinding tool steels hardened 50 Rockwell "C" or above

Coolant: Oil or water soluble oil recommended on wheels 1/2" or larger.

8 to 1 ratio

Size Range: .030" - 3" Diameter

Application: Grinding ceramic and glass

Coolant: Synthetic coolant recommended

20 to 1 ratio

 

M
Metal Bond

Bronze in color

Cutting Speed: 4,000 to 6,000 S.F.P.M.

Cannot be conventionally trued, wheels shipped ready to use

Wheels should be indicated within .0005" T.I.R. prior to grinding

 

Size Range: .030" - 3" Diameter

Application: Soft and case hardened steel

Coolant: Oil or water soluble oil

8 to 1 ratio

Size Range: .3/32" - 3" Diameter

Application: Grinding carbide, ceramic or glass

Coolant: Not required. However, if desired, synthetic coolant is recommended

20 to 1 ratio

 

B
Resin Bond

Light Brown in color

Cutting Speed: 4,000 to 6,500 S.F.P.M.

Wheels shipped ready to use

Wheels should be indicated within .0005" T.I.R. prior to grinding

May be trued with nibs designed for superabrasives followed by a dressing stick

 

Size Range: 3/32" - 3" Diameter

Application: Grinding tool steels hardened 50 Rockwell "C" or above

Coolant: Not required. However, if desired, use oil or water soluble oil

8 to 1 ratio

Size Range: 1/8" - 2" Diameter

Application: Grinding carbide

Coolant: Synthetic coolant recommended for wheels over 2"

20 to 1 ratio

 

V
Vitrified Bond

Dark Grey in color

Cutting Speed: 4,000 to 6,000 S.F.P.M.

Wheels may be trued in the machine by cluster or impregnated diamond tools

 

Size Range: .1/8" - 2" Diameter

Application: Grinding steel

Coolant: Oil or water soluble oil recommended for wheels over 2"

8 to 1 ratio

Size Range: .015" - 3" Diameter

Application: Grinding carbide, ceramics, glass, fiberglass, and abrasive composites

Coolant: May be used without a coolant, only a spray mist of synthetic needed if desired.

 

BM/DM
Plated

Metallic grey to shiny silver in color

Cutting Speed: 4,000 to 6,000 S.F.P.M.

Single layer plated products cannot be trued

Wheels should be indicated within .0005" T.I.R. prior to grinding

 

Size Range: .015" - 3" Diameter

Application: Grinding stainless steel, exotic super-alloys, and tool and die steels hardened 55 Rockwell "C" or above

Coolant: May be used without a coolant, only a spray mist of oil or water soluble oil is recommended

   

Carbide Internal Grinding Tools

Solid carbide burr with diamond cut pattern and end cutting teeth

Designed to machine mold and die steel hardened up to 60 Rockwell "C"

Cutting Speed: 1,000 to 3,000 S.F.P.M. (One and one half faster for stainless steel)

Wheels shipped ready to use; should be indicated within .0005" T.I.R. prior to grinding

May be used without coolant. If desired, use a synthetic coolant.

   

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