process grinding patents

US4533086A - Process for grinding graphite - Google Patents

Disclosed is a process for grinding graphite comprising: (1) forming a mixture of graphite and a graphite grinding aid; (2) grinding the mixture of graphite and graphite grinding aid to reduce the size of the graphite; (3) forming an aqueous slurry of the graphite particles, graphite grinding aid and water; (4) adding an amount of hydrocarbon oil to the aqueous slurry with agitation to

EP0105627A2 - In-process grinding gauge - Google Patents

An in-process grinding gauge providing a means for continuously indicating the diameter of a cylindrical workpiece (13) being ground comprises a mounting bracket and gauging head arrangement including a body (14) carrying fixed upper and center pads (18,20 respectively) and an arm (22) pivotally secured to the body (14) and carrying a lower pad (21), and an arm

US4162044A - Process for grinding coal or ... - Google Patents

A process for grinding coal or ores containing metal values comprising carrying out said grinding in a liquid medium and with a grinding aid comprising an anionic polyelectrolyte derived from polyacrylic acid and dispersible in the liquid medium, said grinding aid being present in an amount effective to provide increased grinding efficiency.

Bonding process for grinding tools - Google Patents

A dual bonding process to make single layered tools wherein a metallic workpiece is pre-etched so as to form cavities in the surface of the workpiece for individually receiving diamond or other abrasive particles to be bonded thereto. The diamond particles are uniformly deposited and densely bonded to the surface of said metallic workpiece by a metallic bonding matrix applied

US Patent for Process for determining optimum grinding ...

Feb 04, 2000  The invention provides a useful tool for advising customers for abrasive tools on the selection of optimum grinding conditions for the use of a specific tool wherein the tool is in the form of a performance map generated from a plurality of data points obtained by measuring performance for a plurality of combinations of the two key grinding process variables.

GB2262527A - Process for grinding ... - Google Patents

In a process for grinding a cellulose compound, the compound having a water content of from 30 to 80 wt.-%, based on wet compound. and a temperature of from 40 to 120 DEG C is gelled and cooled to a temperature of from -10 to 100 DEG C and subsequently dried and ground. By the gelation the bulk density of the ground cellulose compound is increased, compared to a

US Patent for Cam controlled grinding machine Patent ...

Justia Patents US Patent for Cam controlled grinding machine Patent (Patent # 3,973,360) ... The present invention concerns a grinding process and a machine for operating the process destined for the precision grinding of small mechanical parts. At the present time, due to the lack of appropriate machines a number of precision mechanical parts ...

Process for selective grinding of coal (Patent) DOE Patents

DOE Patents Patent: Process for selective grinding of coal. Process for selective grinding of coal. Full Record; Other Related Research; Abstract. A process for preparing coal for use as a fuel. Forming a coal-water slurry having solid coal particles with a particle size not exceeding about 80 microns, transferring the coal-water slurry to a ...

Precision replenishable grinding tool and manufacturing ...

DOE Patents Patent: Precision replenishable grinding tool and manufacturing process. Precision replenishable grinding ... A process for grinding coal or ores containing metal values comprising carrying out said grinding in a liquid medium and with a grinding aid comprising an anionic polyelectrolyte dispersible in the liquid medium and having a ...

Precision replenishable grinding tool and manufacturing ...

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.

US Patent for Iron ore concentration process with grinding ...

Oct 25, 2013  Opposition to Australian Patent Application No. 2013334500 Iron ore concentration process with grinding circuit, dry desliming and dry or mixed (dry and wet) concentration in the name of Vale S.A., dated May 28, 2018, pp. 1-2.

Improved tool grinding machine (Patent) DOE Patents

@article{osti_5378577, title = {Improved tool grinding machine}, author = {Dial, Sr, C E}, abstractNote = {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 displaced with respect to the remainder of the grinding ...

Grinding Wheel System (Patent) DOE Patents

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 information to a data processing platform for further processing of the transmitted information.

Grinding process - ICI Australia Operations Propreitary ...

United States Patent 5033682 . Abstract: A process of grinding ceramic materials such as zirconia comprises grinding in an agitated media-type mill in the presence of a dispersant, the process being characterized in that the grinding media has a particle size of from 0.8 3.0 mm, and in that the quantity of media present is such that the average ...

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

Process for grinding cams of a camshaft - Fortuna-Werke ...

The invention relates to a process for grinding of cams of a camshaft by means of a numerically-controlled camshaft grinding machine, whereby the camshaft is arranged in a workpiece mounting rotatably at preset angular velocity in predetermined angle steps about its longitudinal axis, and whereby a grinding wheel slide with a grinding wheel is infeedable in an axis

Process for grinding and coloring wood chips - Mangold ...

A process for grinding and coloring wood chips. BACKGROUND OF THE INVENTION. U.S. Pat. No. 5,308,653 of Rondy discloses a process for preparing a colored wood product, such as mulch. In the first step of the process of this patent, comminuted wood is fed into a screw conveyor having a first end and a second end, wherein the screw conveyor has a ...

Process for grinding crankpins of a crankshaft and grinder ...

The invention relates to a process for successive grinding of crankpins of a crankshaft by means of a grinding attachment, for example a rotating wheel, in which process the crankshaft is clamped at two spaced center journals and is rotated around the axis of the crankpin to be ground, and to a grinder especially for implementing such process.

Precision replenishable grinding tool and manufacturing ...

@article{osti_672547, title = {Precision replenishable grinding tool and manufacturing process}, author = {Makowiecki, D M and Kerns, J A and Blaedel, K L and Colella, N J and Davis, P J and Juntz, R S}, abstractNote = {A reusable grinding tool consisting of a replaceable single layer of abrasive particles intimately bonded to a precisely configured tool substrate, and a process

Improved tool grinding machine (Patent) DOE Patents

@article{osti_5378577, title = {Improved tool grinding machine}, author = {Dial, Sr, C E}, abstractNote = {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 displaced with respect to the remainder of the grinding ...

Grinding Wheel System (Patent) DOE Patents

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 information to a data processing platform for further processing of the transmitted information.

Method for controlling of grinding process

FIELD: automatic grinding of raw materials, used in construction material industry, mining and other branches of industry. SUBSTANCE: method involves providing real-time continuous controlling of qualitative grinding characteristics, each controlling step alternating with analysis step; determining specific surface of cement by using calculation procedure, degree of

Process for grinding crankpins of a crankshaft and grinder ...

The invention relates to a process for successive grinding of crankpins of a crankshaft by means of a grinding attachment, for example a rotating wheel, in which process the crankshaft is clamped at two spaced center journals and is rotated around the axis of the crankpin to be ground, and to a grinder especially for implementing such process.

Process for grinding and coloring wood chips - Mangold ...

A process for grinding and coloring wood chips. BACKGROUND OF THE INVENTION. U.S. Pat. No. 5,308,653 of Rondy discloses a process for preparing a colored wood product, such as mulch. In the first step of the process of this patent, comminuted wood is fed into a screw conveyor having a first end and a second end, wherein the screw conveyor has a ...

Process for grinding cams of a camshaft - Fortuna-Werke ...

The invention relates to a process for grinding of cams of a camshaft by means of a numerically-controlled camshaft grinding machine, whereby the camshaft is arranged in a workpiece mounting rotatably at preset angular velocity in predetermined angle steps about its longitudinal axis, and whereby a grinding wheel slide with a grinding wheel is infeedable in an axis

Grinding Model and Material Removal Mechanism of Medical ...

Abstract:Many patents have been devoted to developing medical nanometer zirconia ceramic grinding techniques that can significantly improve both workpiece surface integrity and grinding quality. Among these patents is a process for preparing ceramic dental implants with a surface for improving osseo-integration by sand abrasive finishing under ...

In tech, patents are trophies -- and these companies are ...

Jun 19, 2018  "It's a rite of passage," says Zhang, who likened the patent process to the Jewish coming-of-age ceremony. He declined to go into detail about the patent filing, which has not yet been made public.

molecular decomposition process grinding patent

molecular decomposition process grinding patent molecular decomposition process grinding patent Chevaliermdp molecular decomposition process mdp molecular decomposition process surface grinding without burns burrs distortion or pollution mdp g2 the mdp grinder is a fully controllable system that lets you grind any conductive metal without .

Wood or bamboo process bowl grinding device - INBAR

This utility model relates to wood or bamboo process bowl and grinding device, comprising substrate, processing base, rotating component, mounting base, grinding component, the grinding device has simple reasonable structure, when using, taking of process bowl set on tray of the tray driving bowl rotation, install seat driving grinding component to move lower at left []

Ore grinding process - The Dow Chemical Company

A process for grinding coal or ores containing metal values comprising carrying out said grinding in a liquid medium and with a grinding aid system comprising an anionic polyelectrolyte derived from polyacrylic acid and certain inorganic metal salts, said system being dispersible in the liquid medium and being present in an amount effective to provide increased grinding

Centerless Grinding - an overview ScienceDirect Topics

Centerless grinding is a fast and efficient process for precision batch and mass production grinding. Wide wheels allow substantial removal rates. It has another major advantage that centers are not required as in center grinding. ... This has led to a number of patents including the development of microwave sintering furnaces for nuclear fuel ...

Wood or bamboo process bowl grinding device - INBAR

The invention relates to a kind of one wood or bamboo process bowl and grinding device, comprising substrate, processing base, rotating component, mounting base, grinding component, the grinding device has simple reasonable structure, when using, taking of process bowl set on tray of the tray driving bowl rotation, install seat driving grinding component to move []