Small diameter cutting tool

Abstract

An abrasive cutting tool has a body in the shape of a small diameter disk. The body has an outer diameter of not greater than about 100 centimeters, and an aspect ratio defined as a ratio of the outer diameter to an axial thickness of the body of at least about 10:1. The tool includes an abrasive portion having a bond material comprising abrasive particles and a resin having a normalized heat soak modulus of at least about 1.05.

1 . An abrasive cutting tool, comprising:
 a body in a shape of a small diameter disk having:
 an outer diameter of not greater than about 100 centimeters, 
 an aspect ratio defined as a ratio (D:T) of the outer diameter to an axial thickness of the body of at least about 10:1, 
 an abrasive portion having:
 a bond material comprising a resin having a normalized heat soak modulus of at least about 1.05; and 
 abrasive particles contained within the bond material. 
 
   
     
     
         2 .- 4 . (canceled) 
     
     
         5 . The abrasive cutting tool of  claim 1 , wherein the bond material is at least about 20 vol % of a total volume of the abrasive portion, and not greater than about 70 vol %. 
     
     
         6 . The abrasive cutting tool of  claim 5 , wherein the resin is at least about 40 vol % of a total volume of the bond material, and not greater than about 90 vol %. 
     
     
         7 .- 15 . (canceled) 
     
     
         16 . The abrasive cutting tool of  claim 1 , wherein the abrasive particles are at least about 30 vol % of a total volume of the abrasive portion, and not greater than about 70 vol %. 
     
     
         17 . The abrasive cutting tool of  claim 1 , wherein the abrasive portion comprises a filler, and the filler is at least about 15 vol % of a total volume of the bond material, and not greater than about 60 vol %. 
     
     
         18 .- 19 . (canceled) 
     
     
         20 . The abrasive cutting tool of  claim 1 , wherein the abrasive portion comprises fillers contained within the abrasive portion, and the fillers comprise a first filler comprising iron and sulfur. 
     
     
         21 . (canceled) 
     
     
         22 . The abrasive cutting tool of  claim 20 , wherein the average particle size of the first filler is not greater than about 30 microns, and at least about 1 micron. 
     
     
         23 . The abrasive cutting tool of  claim 20 , wherein the abrasive portion comprises a second filler comprising a compound including potassium, aluminum, and fluoride. 
     
     
         24 . (canceled) 
     
     
         25 . The abrasive cutting tool of  claim 23 , wherein the second filler is at least about 5 vol % of a total volume of the fillers, and not greater than about 40 vol %. 
     
     
         26 . (canceled) 
     
     
         27 . The abrasive cutting tool of  claim 20 , wherein the abrasive portion comprises a third filler different than the first filler, wherein the third filler comprises a compound including calcium and oxygen. 
     
     
         28 .- 31 . (canceled) 
     
     
         32 . The abrasive cutting tool of  claim 20 , wherein the abrasive portion comprises a fourth filler, wherein the fourth filler comprises calcium silicates. 
     
     
         33 .- 37 . (canceled) 
     
     
         38 . The abrasive cutting tool of  claim 20 , wherein the abrasive portion comprises a fifth filler comprising a compound including sodium, aluminum, and fluoride. 
     
     
         39 .- 44 . (canceled) 
     
     
         45 . The abrasive cutting tool of  claim 1 , wherein the abrasive portion comprises a wetting liquid remnant including at least one of an aliphatic chain and cyclic organic molecules. 
     
     
         46 . The abrasive cutting tool of  claim 1 , wherein the abrasive particles comprise a first type of abrasive particle and a second type of abrasive particle different than the first type, and the second type of abrasive particle comprises alumina and zirconia. 
     
     
         47 . The abrasive cutting tool of  claim 1 , wherein the abrasive particles comprise a first type of abrasive particle and a second type of abrasive particle different than the first type, wherein the first type of abrasive particle comprises brown fused alumina (BFA). 
     
     
         48 . The abrasive cutting tool of  claim 1 , wherein the abrasive portion comprises at least about 30 vol % abrasive particles of a total volume of the abrasive portion, and not greater than about 65 vol %. 
     
     
         49 .- 52 . (canceled) 
     
     
         53 . The abrasive cutting tool of  claim 46 , wherein the second type of abrasive particle comprises not greater than about 90 vol % Al 2 O 3 , and at least about 70 vol % Al 2 O 3 . 
     
     
         54 . The abrasive cutting tool of  claim 46 , wherein the second type of abrasive particle comprises not greater than about 40 vol % ZrO 2 , and at least about 10 vol % ZrO 2 . 
     
     
         55 .- 56 . (canceled) 
     
     
         57 . An abrasive cutting tool, comprising:
 a body in a shape of a small diameter disk having:
 an outer diameter of not greater than about 100 centimeters, 
 an aspect ratio defined as a ratio of the outer diameter to an axial thickness of the body of at least about 10:1, 
 an abrasive portion having:
 a bond material comprising a resin having a normalized heat soak modulus of at least about 1.05; 
 abrasive particles contained within the bond material; and 
 
 a filler comprising sodium, aluminum, and fluoride. 
   
     
     
         58 . (canceled) 
     
     
         59 . The abrasive cutting tool of  claims 1  or  57 , wherein the normalized heat soak modulus is at least about 1.10.