Abrasive article and method of forming

Patent metadata

Field	Value
Publication number	US-10434626-B2
Application number	US-201314431842-A
Country	US
Kind code	B2
Filing date	Sep 27, 2013
Priority date	Sep 28, 2012
Publication date	Oct 8, 2019
Grant date	Oct 8, 2019

Abstract

A method of conducting a material removal operation using a grinding system including moving an abrasive article relative to a workpiece, detecting a change in a dimension of the abrasive article during moving, and reducing resonance vibrations in the grinding system.

First claim

What is claimed is:

1. A method of conducting a material removal operation using a grinding system, the method comprising:
moving an abrasive article relative to a workpiece;
detecting a change in a dimension of the abrasive article during moving;
monitoring resonance vibrations in the grinding system; and
altering at least one process parameter during the material removal operation to reduce said resonance vibrations in the grinding system based upon the change in dimension of the abrasive article.

2. The method of claim 1 , wherein reducing resonance vibrations in the grinding system is in response to detecting the change in the dimension of the abrasive article.

3. The method of claim 1 , wherein the grinding system comprises a dressing article, wherein the dressing article contacts the abrasive article during moving.

4. The method of claim 3 , wherein the dressing article comprises abrasive particles contained within a bond material, wherein the abrasive particles comprise a superabrasive material.

5. The method of claim 1 , wherein detecting the change in the dimension includes detecting a change in at least one of a width and a diameter of the abrasive article.

6. The method of claim 1 , wherein the abrasive article comprises a bonded abrasive, wherein the bonded abrasive comprises a body including abrasive particles contained in a bond material, wherein the abrasive particles are selected from the group consisting of oxides, carbides, nitrides, borides, oxycarbides, oxynitrides, boron nitride, diamond, and a combination thereof.

7. The method of claim 1 , wherein the abrasive article comprises porosity, wherein the porosity comprises closed porosity, wherein the porosity comprises open porosity, wherein the abrasive article comprises a porosity of at least about 0.1 vol % for a total volume of the abrasive article and not greater than about 70 vol %.

8. The method of claim 1 , wherein the abrasive article comprises a body including at least about 1 vol % abrasive particle for a total volume of the body and not greater than about 60 vol %.

9. The method of claim 1 , wherein the abrasive article comprises a body including at least about 1 vol % bond material for a total volume of the body and not greater than about 75 vol %.

10. The method of claim 1 , wherein the abrasive article has a body comprising a shape selected from the group consisting of a cup, a wheel, an annulus, a disk having at least one tapered surface, a raised center disk, a cone, and a combination thereof.

11. The method of claim 1 , wherein moving comprises rotating the abrasive article relative to the workpiece in the material removal operation.

12. A method of conducting a material removal operation comprising:
removing material from a workpiece using an abrasive article;
predicting at least one resonance vibration condition based on at least one process parameter selected from the group consisting of a change in a dimension of the abrasive article, a change in dimension of the workpiece, a change in dimension of a dressing article, an operational rate of the abrasive article, an operational rate of the dressing article, an operational rate of the workpiece, a speed ratio between the abrasive article and dressing article, a speed ratio between the abrasive article and the workpiece; and
altering at least one process parameter during the material removal operation to reduce resonance vibrations in the grinding system based upon the predicting of the at least one resonance vibration condition.

13. The method of claim 12 , wherein predicting comprises calculating the at least one resonance vibration condition based on a change in the dimension of the abrasive article.

14. The method of claim 12 , wherein predicting is conducted simultaneously with removing.

15. The method of claim 12 , wherein predicting comprises detecting a change in at least one dimension of the abrasive article.

16. The method of claim 12 , wherein predicting further comprises monitoring an operating rate of the abrasive article.

17. A method of conducting a material removal operation using a grinding system, the method comprising:
removing material from a workpiece using an abrasive article;
continuously monitoring a change in diameter of the abrasive article during removing material from the workpiece; and
altering at least one process parameter during the material removal operation to avoid resonance vibrations in the grinding system based upon the change in the diameter of the abrasive article.

18. The method of claim 17 , wherein avoiding resonance vibrations in the grinding system is in response to detecting the step of continuously monitoring a change in diameter of the abrasive article during removing material from the workpiece.

Assignees

• Saint Gobain Abrasives Inc
• Saint Gobain Abrasifs Sa

Inventors

• Huber Christophe
• Arcona Christopher
• Bright Robin

Classifications

• B24B5/04

  for grinding cylindrical surfaces externally (grinding combined cylindrical and conical surfaces B24B5/14) · CPC title

• B24B49/186 Primary

  taking regard of the wear of the dressing tools · CPC title

• B24B41/007

  Weight compensation; Temperature compensation; Vibration damping · CPC title

• B24B1/00

  Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes · CPC title

• B24B49/02

  according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent (B24B49/12 takes precedence) · CPC title