Diamond tools and methods for making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B24B-053/017
B24D-018/00
출원번호
US-0633082
(2012-10-01)
등록번호
US-9221154
(2015-12-29)
발명자
/ 주소
Sung, Chien-Min
출원인 / 주소
Sung, Chien-Min
대리인 / 주소
Thorpe North & Western LLP
인용정보
피인용 횟수 :
0인용 특허 :
257
초록▼
Superabrasive tools and methods for the making thereof are disclosed and described. In one aspect, superabrasive particles are chemically bonded to a matrix support material according to a predetermined pattern by a braze alloy. The brazing alloy may be provided as a powder, thin sheet, or sheet of
Superabrasive tools and methods for the making thereof are disclosed and described. In one aspect, superabrasive particles are chemically bonded to a matrix support material according to a predetermined pattern by a braze alloy. The brazing alloy may be provided as a powder, thin sheet, or sheet of amorphous alloy. A template having a plurality of apertures arranged in a predetermined pattern may be used to place the superabrasive particles on a given substrate or matrix support material.
대표청구항▼
1. A superabrasive dresser, comprising: a matrix support material configured for holding diamond grit to be used as abrasives;diamond grit disposed in the matrix support material in a predetermined pattern, wherein the grit protrudes to an equal height above the metal support material, andan alloy i
1. A superabrasive dresser, comprising: a matrix support material configured for holding diamond grit to be used as abrasives;diamond grit disposed in the matrix support material in a predetermined pattern, wherein the grit protrudes to an equal height above the metal support material, andan alloy infiltrated through the matrix support material and the diamond grit, the alloy being bonded to the diamond grit and the matrix support materials, the alloy comprising a metal alloy that contains 2 to 50 percent by weight of an element selected from the group consisting of chromium, manganese, silicon and aluminum. 2. The dresser of claim 1, wherein the predetermined pattern is a uniform pattern. 3. The dresser of claim 1, wherein the matrix support material contains more than 50% by weight of material selected from the group consisting of cobalt, nickel, iron, copper, bronze, and mixtures and alloys thereof. 4. The dresser of claim 1, wherein the diamond grit are spaced at a distance of about 2 mm. 5. The dresser of claim 1, wherein the grit are spaced apart from one another at a distance that is from about 2.7 to about 5.4 times the diameter of each grit. 6. The dresser of claim 1, wherein the matrix support material is formed of coarse-sized powders greater than 400 U.S. mesh. 7. The dresser of claim 1, wherein the alloy is substantially free of interfering metals from the group consisting of zinc, lead and tin. 8. The dresser of claim 1, wherein the alloy comprises at least 3 percent by weight of a material selected from the group consisting essentially of chromium, manganese, silicon, and aluminum and mixtures and alloys thereof. 9. The dresser of claim 1, wherein the alloy is selected from the group consisting essentially of NICROBRAZ LM, copper-manganese alloy, copper-silicon alloy, and aluminum-silicon alloy. 10. The dresser of claim 1, wherein the alloy has a liquidus temperature of less than 1,100° C. 11. A method for making a superabrasive dresser, comprising: providing a matrix support material;positively planting diamond grit in the matrix support material at specific positions according to a predetermined pattern, wherein the grit protrude to an equal height above the metal support material; andinfiltrating an alloy through the matrix support material and the diamond grit such that the diamond grit are bonded by the alloy, the alloy comprising a metal alloy that contains 2 to 50 percent by weight of an element selected from the group consisting of chromium, manganese, silicon and aluminum. 12. The method of claim 11, wherein arranging the diamond grit includes: placing a template with a plurality of apertures formed therein on the matrix support material;filling the apertures of the template with diamond grit;pressing the diamond grit at least partially into the matrix support material; andremoving the template. 13. The method of claim 11, wherein the template is configured to hold only one diamond grit in each aperture. 14. The method of claim 11, wherein the predetermined pattern is a uniform pattern. 15. The method of claim 11, wherein the grit are spaced apart from one another at a distance that is from about 2.7 to about 5.4 times the diameter of each grit. 16. The method of claim 11, wherein the grit are spaced apart from one another at a distance of about 2 mm.
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