A tool is constructed by a plurality of diamond columns 22 arranged so as to protrude from a working surface and a conductive bond member 24 for integrally fixing the diamond columns. The conductive bond member is electrolytically dressed while a conductive liquid is supplied between the bond member and an electrode 4 which faces the bond member at a distance, thereby enabling the diamond ...
With a method for the production of a grinding tool, a tool base body is provided, which configures a three-dimensionally shaped adhesive sur-face by application of a bonding agent. The tool base body is positioned in a way that the adhesive surface is arranged in an electrostatic field, be-tween a first electrode and a second electrode. Into the electrostatic field, abrasive grains are ...
A grinding tool for forming hemispherical bores in hard materials such as boron carbide. The tool comprises a hemicircular grinding bit, formed of a metal bond diamond matrix, which is mounted transversely on one end of a tubular tool shaft. The bit includes a spherically curved outer edge surface which is the active grinding surface of the tool.
A grinding tool operable with single hand includes a housing capable of standing upright, a lever, a one-way mechanism, and a grinding mechanism; the lever has an inner end formed with gear teeth, and is pivoted to the housing, and biased outwardly of the housing by a spring to be capable of being pushed and released repeatedly; the one-way mechanism has an actuating gear engaging the …
Grinding tools. United States Patent 5094671. Abstract: The invention relates to grinding tools, particularly to grinding wheels having an annular band of abrasive material at their periphery and provides an improved method of manufacture. A mixture of abrasive material, temporary binder and ceramic bond is heated to paste-like consistency and ...
A reusable grinding tool consisting of a replaceable single layer of abrasive particles intimately bonded to a precisely configured tool substrate, and a process for manufacturing the grinding tool are disclosed. The tool substrate may be ceramic or metal and the abrasive particles are preferably diamond, but may be cubic boron nitride.
An inner surface grinding tool is provided with a plurality of machining units for simultaneously machining inner surfaces of a plurality of portions of a workpiece. The plurality of machining units respectively include expanding and contracting mechanisms and grinding blade portions. In the respective machining units, outer diameters of the respective grinding blade portions are capable of ...
The invention relates to a grinding tool for machining brittle materials. The grinding tool has a core and an abrasive rim. The abrasive rim has abrasive particles embedded in a matrix. The matrix has a metallic bonding agent and possibly also a polymeric bonding agent. The metallic bonding agent contains silicon nitride in an amount that constitutes 0.02%-5.0% by volume of the metallic ...
I claim: 1. An edge grinding tool, comprising: a. a grinder with a forward extending head containing a motor and a perpendicularly aligned drive axle attached to said motor, said grinder includes a grinding disc attached to said drive axle used to grind an edge of a work piece; b. a forward bracket attached to said head on said grinder; c. two parallel slide arms extending laterally from said ...
Justia Patents Rigid Tool US Patent for Grinding tool Patent (Patent # 5,398,455) Grinding tool . Jan 14, 1993 - United Technologies Corporation. A hafnium nitride coating is applied over the cubic boron nitride layer of conventional CBN tools by the process of arc physical-vapor-deposition at temperatures below the tempering temperature of the ...
A patent is an exclusive right granted for an invention, which is a product or a process that provides, in general, a new way of doing something, or offers a new technical solution to a problem. To get a patent, technical information about the invention must be disclosed to …
The invention relates to a vulcanized fiber grinding tool (1) comprising two vulcanized fiber grinding disks (2, 3) which are adhered to each other over the entire surface by means of an adhesive layer (4) arranged between the vulcanized fiber grinding disks (2, 3) such that the vulcanized fiber grinding disk (2, 3) outer faces provided with the grinding means point away from each other and ...
A grinding tool for metal machining which is provided with matrix-bonded abrasive grains, the hardness of the matrix varying over the grinding area, along which the workpiece moves in a …
A machine for grinding helical gear teeth: comprising, in combination, a machine bed, tool supporting means mounted on said bed for pivotal movement about an axis perpendicular to the general plane of said, bed, grinding tool means rotatably carried .by said tool supporting means,. a feed slide mounted on said bed for longitudinal. movement ...
Abrasion tool for dental purposes The abrasion tool comprises a flat, flexible carrier body (2) made from metallic material overlaid, on part of it, with abrasive material (3). The carrier body is provided with, on a section of it, a honeycomb structure. The honeycomb structure may consist of bridges (4) and constrained recesses (5). The ...
A grinding tool for forming hemispherical bores in hard materials such as boron carbide. The tool comprises a hemicircular grinding bit, formed of a metal bond diamond matrix, which is mounted transversely on one end of a tubular tool shaft. The bit includes a spherically curved outer edge surface which is the active grinding surface of the tool.
A grinding tool bit is formed of a disk-shaped base member (1) with a central through opening (6) for attaching the base member to a drive spindle of a machine tool. The base member (1) is covered with individual cutting elements (4) at the radially outer circumferential surface (2) and in the side faces (3) adjacent the outer circumferential surface (2).
The invention enhances this diamond sizing method by terminating the grinding based on grinding tool pressure against the workpiece. 2,838,885: Jun. 17, 1958: Compensating radial work support for an internal centerless grinder: Roald Cann : Weathersfield, VT: Improved work support for the internal centerless grinder of patent 2,635,395 ...
Patents for B24D 18 - Manufacture of grinding tools, e.g. wheels, not otherwise provided for (4,462) 03/2015 03/05/2015 US20150060151 Cutting elements with …
A grinding tool has diamond superabrasive grains as the abrasive and a bond to retain the abrasive grains. The bond is made of organic polymer or metal and contains as a filler both a solid film-forming lubricant and finely divided diamond superabrasive grains having a grain size smaller than one-third that of the diamond superabrasive grains as the abrasive.
The invention relates to a grinding or milling tool for precise mechanical machining, the tool body of which is provided, on the outer peripheral surface, with a nickel coating and has small diamond grains embedded in said coating. Since these diamond grains loosen over a lengthy period of use and may fall out of the coating, the invention proposes, in order to achieve a greater stability ...
A grinding tool for forming hemispherical bores in hard materials such as boron carbide. The tool comprises a hemicircular grinding bit, formed of a metal bond diamond matrix, which is mounted transversely on one end of a tubular tool shaft. The bit includes a spherically curved outer edge surface which is the active grinding surface of the tool.
1. A method for manufacturing a formed cutter having a blade on a tip side of the formed cutter, the blade having a cutting part and a flute alternately disposed and rotating around a rotation axis to perform cutting, the method comprising the steps of: forming a depression and a projection on a blade forming part, the depression and the projection having different diameters and being arranged ...
grinding tool honeycomb dental grinding abrasive Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US09/004,470 Inventor Jurgen Schon ...
A method for manufacturing a grinding tool which has a binding agent based on aromatic molecules includes cutting an abrasive material parent web with a laser device to form at least one inner contour of the grinding tool, and punching out an outer contour of the grinding tool from the abrasive material parent web.
A reusable grinding tool consisting of a replaceable single layer of abrasive particles intimately bonded to a precisely configured tool substrate, and a process for manufacturing the grinding tool. The tool substrate may be ceramic or metal and the abrasive particles are preferably diamond, but may be cubic boron nitride.
DOE Patents Patent: Tool grinding machine. Tool grinding machine. Full Record; Other Related Research; Abstract. The present invention relates to an improved tool grinding mechanism for grinding single point diamond cutting tools to precise roundness and radius specifications. The present invention utilizes a tool holder which is longitudinally ...
A tool and a grinding member for installing thereon comprising a support structure having inner and outer portions journaled for relative rotational movement, a guide member for mounting on an object having a surface to be ground, the guide member having a cylindrical portion that extends from the object in a position centered on the axis of the surface to be ground, the inner portion of the ...
Barnes, R. C., "Tool Rest for Your Bench Grinder", article from Shop Notes, Popular Mechanics (1955). P. 69, from Canadian Workshop (Nov. 1992), ad for "Sabre Sharpening Centre", Vendor: Woodturner's World. Picture of grinder tool rest, which was made in Taiwan for Delta and manufactured prior to the filing date of Aug. 17, 1994 for this application, Ser. No. 29/027,267.
Bench grinder - Hand Tools International, Inc. Title: Bench grinder. United States Patent 5525095. Abstract: There is described a bench grinder in which the operation of particular functional elements has been enhanced. Among significant improvements are shield-mounted lamps by means of which lighting in the work zones of the grinder is improved.
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