Patent Number |
Title Of Patent |
Date Issued |
8182318 |
Obliquely grooved grinding wheel and method for manufacturing the same |
May 22, 2012 |
In a manufacturing method for a grinding wheel in which a plurality of wheel chips each composed of an abrasive grain layer containing superabrasive grains and a foundation layer are adhered to a core attached to a wheel spindle carried by a wheel head of a grinding machine to be dri |
8033278 |
Segmented grinding wheel and manufacturing method therefor |
October 11, 2011 |
A plurality of segmented chips are reinforced by applying an adhesive to the circumferentially opposite end portions thereof, and the adjoining segmented chips adjoining in the circumferential direction are adhered to the circumferential surface of a disc-like core with the adhesives at |
8016579 |
Superabrasive grain setting apparatus |
September 13, 2011 |
A superabrasive grain setting apparatus for arranging superabrasive grains on a surface of a manufacturing mold used in manufacturing a grinding tool includes a grip and raising mechanism for gripping the mold in a horizontal state and for turning the mold to a vertical state. A six- |
7927389 |
Superabrasive grain setting method |
April 19, 2011 |
In a superabrasive grain setting method, a two-dimensionally developed coordinate preparation step is taken, wherein a non-cylindrical area of a mounting surface where a tangential line to the mounting surface in a plane including the axis of the manufacturing mold crosses with the axis |
7824246 |
Wheel spindle device for grinding machine |
November 2, 2010 |
In a wheel spindle device wherein a plurality of grinding wheels are attached in a juxtaposed relation to a wheel spindle rotatably carried on a wheel head of a grinding machine, a reference position for specifying a position in the circumferential direction of the grinding wheel is |
7695353 |
Grinding wheel |
April 13, 2010 |
In a grinding wheel in which abrasive tips for rough grinding and abrasive tips for finish grinding are alternately bonded to a periphery of a disk type base rotating about a rotation axis, each abrasive tip includes the abrasive layer formed by bonding abrasive grains and a lower layer |
7331845 |
Double end face truing device, double end face truing tool, and double end face truing method |
February 19, 2008 |
First and second end surface truing sections are formed by protruding cylindrical first and second base bodies from opposite end surfaces of a disc-like base of an opposite end surface truing tool in the axial direction thereof and by providing on the external surface of the first ba |
7153189 |
Coolant supply method and apparatus for grinding machine |
December 26, 2006 |
In a coolant supply method and apparatus for a grinding machine, when an end surface of a workpiece is ground with a grinding wheel end surface of a grinding wheel with coolant being supplied toward a grinding point, a first coolant flow is ejected toward a first position which is on the |