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US699302A - Grinding-wheel. - Google Patents

US699302A US6017901A US1901060179A US699302A US 699302 A US699302 A US 699302A US 6017901 A US6017901 A US 6017901A US 1901060179 A US1901060179 A US 1901060179A US 699302 A US699302 A US 699302A Authority US United States Prior art keywords wheel grinding rings disk ties Prior art date 1901-05-14 Legal status (The legal status is an assumption and is not a legalGrinding wheel manufacturing method - Google Patents,A grinding wheel comprising abrasive grains each of which is coated with a conductive material and a non-conductive binder interposed among said abrasive grains. The amount of said conductive material ranges from 30 to 80% by weight based on said abrasive grains. The abrasive grains coated with said conductive material is contained in said grindstone in an amount ranging from 33 to 64% by volume.US5364422A - CBN grinding wheel - Google Patents,A CBN grinding wheel having a circular core and an abrasive layer formed on the peripheral surface of the core. The abrasive layer comprises high toughness CBN grains and medium toughness CBN grains, wherein the high toughness CBN grains are incorporated into the abrasive layer in a ratio of 10-80% by weight with respect to the total amount of the CBN grains.

US Patent for Grinding wheel Patent (Patent # 4,913,708,

Justia Patents Impregnating Or Coating An Abrasive Tool US Patent for Grinding wheel Patent (Patent # 4,913,708) Grinding wheel . Nov 18, 1988 - Norton Company. The grinding performance of organic bonded abrasive bodies whose abrasive portion is wholly or partially composed of aluminous abrasive grits is significantly improved by providing a,Method of trueing grinding wheels - Google Patents,The invention relates to a method for dressing grinding wheels with diamond or cubic crystalline boron nitride using a driven dressing roller and an additional dressing aid. In order to create a grain protrusion beyond the bond, which is expedient for chip evacuation during grinding, after the dressing of a diamond grinding wheel with a diamond dressing roller, post-processing was carried out,US Patent for Grinding wheel and method Patent (Patent,,A grinding wheel including an impeller structure for circulating coolant within the wheel defining a plurality of grooves. An angle between a second wall of each groove and a tangent to the outer circumference adjacent the groove outlet is defined based on the desired coolant flow rate, the predetermined wheel rotational speed, the radius of the outer circumference of the impeller structure,

GB2102016A - Manufacture of cold pressed grinding wheels,

GB2102016A GB08121831A GB8121831A GB2102016A GB 2102016 A GB2102016 A GB 2102016A GB 08121831 A GB08121831 A GB 08121831A GB 8121831 A GB8121831 A GB 8121831A GB 2102016 A GB2102016 A GB 2102016A Authority GB United Kingdom Prior art keywords mix resin wheels mould heating Prior art date 1981-07-15 Legal status (The legal status is an assumption andMethod of trueing grinding wheels - Google Patents,The invention relates to a method for dressing grinding wheels with diamond or cubic crystalline boron nitride using a driven dressing roller and an additional dressing aid. In order to create a grain protrusion beyond the bond, which is expedient for chip evacuation during grinding, after the dressing of a diamond grinding wheel with a diamond dressing roller, post-processing was carried out,EP2699387A2 - Resin bonded grinding wheel - Google Patents,EP2699387A2 EP12774388.8A EP12774388A EP2699387A2 EP 2699387 A2 EP2699387 A2 EP 2699387A2 EP 12774388 A EP12774388 A EP 12774388A EP 2699387 A2 EP2699387 A2 EP 2699387A2 Authority EP European Patent Office Prior art keywords filler particles grinding wheel diamonds percent grinding Prior art date 2011-04-18 Legal status (The legal status is an assumption

US Patent for Grinding wheel and method Patent (Patent,

A grinding wheel including an impeller structure for circulating coolant within the wheel defining a plurality of grooves. An angle between a second wall of each groove and a tangent to the outer circumference adjacent the groove outlet is defined based on the desired coolant flow rate, the predetermined wheel rotational speed, the radius of the outer circumference of the impeller structure,Grinding Wheel System (Patent) | DOE Patents,DOE Patents Patent: Grinding Wheel System. Grinding Wheel System. Full Record; Other Related Research; Abstract. A grinding wheel system includes a grinding wheel with at least one embedded sensor. The system also includes an adapter disk containing electronics that process signals produced by each embedded sensor and that transmits sensor,US Patent for Grinding wheel with geometrical pattern,,Justia Patents Ring, Tube, Bushing, Sleeve, Or Cylinder Abrading US Patent for Grinding wheel with geometrical pattern Patent (Patent # 6,120,356) Grinding wheel with geometrical pattern . Sep 2, 1998 - Xerox Corporation. A vibration inducing grinding wheel for removing material from a workpiece is provided. The vibration inducing grinding,

Grinding-wheel Dressing Patents and Patent Applications,

Justia Patents Stone Working Patents Turning Patents Grinding-wheel Dressing Patents (Class 125/11.01) Grinding-wheel Dressing Patents (Class 125/11.01) Indexing of tool point (Class 125/11.02) Rotary or crush dressing (Class 125/11.03) Contouring of grinding wheel face (Class 125/11.04),Grinding wheel, grinding system and method for grinding a,,The thickness of the grinding wheels is between 8 mm and 40 mm. The first grinding wheel for the coarse grinding has as grinding medium silicon carbide in a particle size between 100 mesh and 500 mesh, the average particle size preferably being about 220 mesh. The grinding medium is imbedded in an aluminum-silicate ceramic base.Impregnation of grinding wheels,- Free Patents Online,Alternatively, vitrified grinding wheels having an induced porosity structure associated with ≦about 46 volume percent abrasive, may also be used. Other embodiments may include organic (e.g., phenolic resin) or metal bonded abrasive articles, or vitrified or resin bonded superabrasive grinding wheels of various porosity percentages.

Self-bonded ceramic abrasive wheels - Norton Company

Thus wheels for low wheel/work conformity, or high-pressure grinding such as external precision grinding or ball grinding, might use a wheel with a fairly low porosity; for example from 5 to 15% pore volume in the structure, while those where burning is a real problem might use a more open structure with a pore volume of 40 to about 65% or even,US Patent for Abrasive inserts for grinding bimetallic,,A method and apparatus for machining flat or planarizing a fire deck of a bimetallic engine block includes providing a grinding wheel by disposing a series of abrasive inserts at spaced locations along a circumference of a circular head, so that during rotation of the head, the inserts form a notional annular grinding ring. The head is preferably a conventional milling head and the inserts are,PACIFIC GRINDING WHEEL CO. INC. - Free Patents Online,The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows 1. A semi-reinforced grinding wheel comprising a cured disc or bonding material containing abrasive grit and having a reinforcing layer of open-mesh cloth with some of said grit extending through the mesh openings, said cloth layer having a square shape with its vertices extending,

Grinding Wheel System (Patent) | DOE Patents

DOE Patents Patent: Grinding Wheel System. Grinding Wheel System. Full Record; Other Related Research; Abstract. A grinding wheel system includes a grinding wheel with at least one embedded sensor. The system also includes an adapter disk containing electronics that process signals produced by each embedded sensor and that transmits sensor,Grinding wheel - Toyoda Koki Kabushiki Kaisha,United States Patent 6086467 . Abstract: A grinding wheel comprising abrasive grains, a bonding material for bonding the abrasive grains, and grain clusters of accumulated filler grains having a size smaller than the abrasive grains. The grinding wheel may be a vitrified grinding wheel, and in this case, chromium oxide having good affinity with,US Patent for Jig for grinding sharp-edged tools Patent,,Justia Patents Gauging Device US Patent for Jig for grinding sharp-edged tools Patent (Patent # 6,447,384) Jig for grinding sharp-edged tools . May 13, 1999,17 designates a grinding wheel and 18 a so-called universal support which is attached to the base of the grinding wheel and as such is fixed in relation to the rotating grinding wheel,

Grinding wheel - Tohoku Chemical Industries, Ltd.

4. The grinding wheel as claimed in claim 1, wherein the bonding agent further comprises a surface active agent. 5. The grinding wheel of claim 1, wherein the filling ratio of cashew nut shell liquid in the grinding wheel is from 1.6 to 2.4%. 6. The grinding wheel ofGrinding wheel - NORITAKE SUPER ABRASIVE CO LTD,A grinding wheel of the present invention is a grinding wheel comprising an abrasive grain layer formed by firmly fixing abrasive grains to an end face of a cup-shaped core by brazing, wherein: a circumferentially continuous groove is formed in a substantially central portion of the end face of the core; and the abrasive grains are firmly fixed,Diamond or cubic boron nitride grinding wheel with resin,,United States Patent 4042346 . Abstract: A diamond or cubic boron nitride grinding wheel in which an abrasive section comprising abrasive grits distributed through and held by a phenolic resin matrix is bonded to a non-abrasive core, is improved, in terms of ease of manufacture and elimination of cracking or poor adhesion, by means of a core,

Impregnation of grinding wheels,- Free Patents Online

Alternatively, vitrified grinding wheels having an induced porosity structure associated with ≦about 46 volume percent abrasive, may also be used. Other embodiments may include organic (e.g., phenolic resin) or metal bonded abrasive articles, or vitrified or resin bonded superabrasive grinding wheels of various porosity percentages.Self-bonded ceramic abrasive wheels - Norton Company,Thus wheels for low wheel/work conformity, or high-pressure grinding such as external precision grinding or ball grinding, might use a wheel with a fairly low porosity; for example from 5 to 15% pore volume in the structure, while those where burning is a real problem might use a more open structure with a pore volume of 40 to about 65% or even,Grinding performance evaluation of porous composite-bonded,,Aug 01, 2014· Sheldon DA, Markhoff-Matheny CJ, Terrgni R, inventors; Norton Company, assignee. High porosity vitrified bonded grinding wheels. United States Patent US 5203886. 1993 Apr 20. Google Scholar. 22. L.P. TangA study of the quantitative relationship between strength and pore-size distribution of porous materials. Cement Concrete Res, 16 (1) (1986,

Grinding wheels for manufacturing of silicon wafers: A,

Jan 01, 2007· The grinding process referred in this paper is the vertical spindle surface grinding (a.k.a. wafer grinding) using a cup wheel. A typical cup wheel is illustrated in Fig. 1. Fig. 2 illustrates the wafer grinding process. During grinding, the grinding wheel and the wafer rotate about their own rotation axes simultaneously, and the wheel is fed towards the wafer along its axis.CPC Definition - B24D TOOLS FOR GRINDING, BUFFING, OR,,Bonded abrasive wheels, or wheels with inserted abrasive blocks, where the grinding action is performed otherwise than only by the periphery of the wheel, e.g. by the front face. Wheels in one piece, wheels with inserted blocks, and zonally-graded wheels comprising different abrasives.The History of the Grinding Wheel | Our Pastimes,Cutoff wheels of high strength composites reinforced with fiberglass now extend the use of grinding wheels to cutting machines such as circular saws. Competition Although Norton Grinding Company remains the largest manufacturer of abrasives in the world, many recent patents in the industry have been filed by inventors from both Japan and Taiwan.

CPC Scheme - B24D TOOLS FOR GRINDING, BUFFING, OR

Bushings or mountings integral with the grinding wheel [2013-01] B24D 2203/00. Tool surfaces formed with a pattern [2013-01] B24D 2205/00. Grinding tools with incorporated marking device [2013-01] Skip footer and go to main content. United States Patent and Trademark Office. United States Patent and Trademark Office. Browse By Topic . Browse By,In tech, patents are trophies -- and these companies are,,Jun 19, 2018· It received 9,043 patents in 2017, marking its 25th consecutive year of dominating the patent rankings -- a fact IBM is not bashful about sharing. This year, it is on pace to top 10,000 patents,,

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