Claims
- 1. A method of making a honing tool comprising the steps of:
- forming a measured bundle of uniformly closely packed nonwoven, generally parallel discrete filaments;
- supporting a cup element having a bottom surface;
- placing a measured amount of instant adhesive in the interior of said cup element so that a thin layer of such adhesive completely covers the bottom surface of the cup element;
- promptly driving such bundle into the cup element so that all of the filaments at one end of the bundle are in contact with the adhesive, prior to the curing of the adhesive; and
- curing the adhesive whereby the one end face of the bundle is secured to the bottom surface of the cup element.
- 2. A method as set forth in claim 1 wherein the cup element includes two flat sides and two rounded corners connecting the flat sides; the sides and corners together defining an oblong opening.
- 3. A method as set forth in claim 2 wherein the cup element is an integral part of a holder; the holder being substantially rectangular in section and its length being at least twice its width.
- 4. A method as set forth in claim 3 wherein the holder includes a slot communicating with the oblong opening and said placing step includes injecting the adhesive through the slot.
- 5. A method as set forth in claim 4 wherein said driving step includes positioning a pusher plate having a flat working surface adjacent to the bundle whereby the flat working surface is substantially parallel with an opposite end of the bundle.
- 6. A method as set forth in claim 4 wherein said driving step includes positioning a pusher plate having a convex working surface adjacent to the bundle whereby the tool working face is provided with a radius.
- 7. A method as set forth in claim 4 further including the step of inserting the bundle through a die having a hollow center of approximately the same contour as the cup element.
- 8. A method as set forth in claim 7 further including the step of trimming the bundle after said curing step.
- 9. A method as set forth in claim 4 wherein the instant adhesive is a cyanoacrylate.
- 10. A method as set forth in claim 9 wherein the adhesive is an alkyl cyanoacrylate.
- 11. A method as set forth in claim 9 wherein the adhesive is an alkoxy alkyl cyanoacrylate.
- 12. A method as set forth in claim 9 wherein the adhesive in its uncured form has a low viscosity.
- 13. A method as set forth in claim 4 wherein the holder is plastic.
- 14. A method as set forth in claim 4 wherein the holder is metal.
- 15. A method as set forth in claim 4 wherein the filaments are abrasive loaded nylon.
- 16. A method as set forth in claim 4 wherein the filaments are round in transverse cross-section.
- 17. A method as set forth in claim 4 wherein the filaments are a polygon in transverse cross-section.
- 18. A method as set forth in claim 4 wherein the filaments are rectangular in transverse cross-section.
- 19. A method as set forth in claim 18 wherein the filaments contain about 45% by weight of abrasive mineral.
- 20. A method as set forth in claim 4 wherein the bundle is formed by a plurality of filaments each cut to the same length.
- 21. A method as set forth in claim 4 wherein the filaments are made of a plastic selected from a group consisting of nylons, polypropylenes, aramids and polyesters.
- 22. A honing tool comprising:
- a cup element having a bottom interior surface;
- a bundle of closely packed discrete generally parallel filaments secured in said cup element; and
- a thin layer of instant adhesive securing substantially all of the filaments at one end face of the bundle to the bottom interior surface of the cup element.
- 23. A tool as set forth in claim 22 wherein said cup element includes two flat sides and two rounded corners connecting said flat sides; said sides and said corners together defining an oblong opening.
- 24. A tool as set forth in claim 23 wherein said cup element is an integral part of a holder; said holder being roughly rectangular in section and its length being at least twice its width.
- 25. A tool as set forth in claim 24 wherein said holder includes a slot communicating with said oblong opening whereby said adhesive may be injected through said slot.
- 26. A tool as set forth in claim 25 wherein said bundle has an opposite working end face in which said filaments form a flat working surface.
- 27. A tool as set forth in claim 25 wherein said bundle has an opposite working end face in which the filaments form a convex working surface.
- 28. A tool as set forth in claim 25 wherein said adhesive is cyanoacrylate.
- 29. A tool as set forth in claim 28 wherein said adhesive is an alkyl cyanoacrylate.
- 30. A tool as set forth in claim 29 wherein said adhesive is an alkoxy alkyl cyanoacrylate.
- 31. A tool as set forth in claim 25 wherein said holder is plastic.
- 32. A tool as set forth in claim 25 wherein said holder is metal.
- 33. A tool as set forth in claim 25 wherein said bundle of filaments is comprised of filaments of uniform length.
- 34. A tool as set forth in claim 25 wherein said filaments are made of a plastic selected from a group consisting of nylons, polypropylenes, aramids and polyesters.
- 35. A tool as set forth in claim 25 wherein said filaments are round in transverse cross-section.
- 36. A tool as set forth in claim 25 wherein said filaments are a polygon in transverse cross-section.
- 37. A tool as set forth in claim 25 wherein said filaments are rectangular in transverse cross-section.
- 38. A tool as set forth in claim 25 wherein said filaments contain about 45% by weight of abrasive mineral.
- 39. A tool as set forth in claim 25 wherein said bundle of filaments is of the same uniform density and orientation within the cup element.
- 40. A tool as set forth in claim 25 wherein said filaments are about 30% by weight loaded with mineral abrasive.
- 41. A method of making a honing tool including a cup element having a bottom interior surface, a bundle of closely packed discrete generally parallel filaments secured in the cup element, and a thin layer of instant adhesive securing substantially all the filaments at one end face of the bundle to the bottom interior surface of the cup element; said method comprising:
- forming a measured bundle of uniformly closely packed nonwoven, generally parallel discrete filaments;
- supporting a cup element;
- placing a measured amount of instant adhesive in the bottom interior of said cup element so that a thin layer of such adhesive completely covers the bottom of the interior surface of the cup element;
- promptly driving such bundle into the cup element so that all of the filaments at one end of the bundle are in contact with the adhesive, prior to the curing of the adhesive; and
- curing the adhesive whereby the one end face of the bundle is secured to the bottom of the interior of the cup element.
- 42. A method of honing a workpiece having a bore surrounded by an internal wall comprising the steps of:
- securing a honing tool, which includes a cup element having a bottom interior surface, a bundle of closely packed discrete generally parallel filaments secured in the cup element, and a thin layer of instant adhesive securing substantially all the filaments at one end face of the bundle to the bottom interior surface of the cup element, to a honing machine;
- inserting the honing machine into the bore;
- feeding the honing tool progressively outwardly into engagement with the wall at a selected honing pressure; and
- rotating said honing machine whereby the honing tool abrades and finishes the wall.
- 43. A method as set forth in claim 42 further including the step of reciprocating the honing machine along the axial length of the bore.
RELATED APPLICATION
This application is a continuation-in-part of applicants' co-pending application entitled "Adhesive Bonded Flexible Abrasive Finishing Tool", Ser. No. 228,438, filed Aug. 5, 1988, now U.S. Pat. No. 5,129,191, printed Jul. 14, 1992 the entire disclosure of which is hereby incorporated by reference.
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
3719796 |
Dec 1988 |
DEX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
228438 |
Aug 1988 |
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