US5321918A - Spindle grinding method and …
Spindle grinding method and apparatus Download PDF Info Publication number US5321918A. US5321918A US07/989,712 US98971292A US5321918A US 5321918 A US5321918 A US 5321918A US 98971292 A US98971292 A US 98971292A US 5321918 A US5321918 A US 5321918A Authority US United States Prior art keywords spindle bore axis grinder structure Prior art date 1992-12-14 ...
US10286520B2 - Grinding apparatus and grinding …
A grinding method of grinding an object with a grinding wheel, the grinding method comprising: moving toward the object a spindle driving portion configured to rotate a spindle to which the...
US4280302A - Grinding method and apparatus - …
A grinding method characterized in that a rotatably arranged grinding tank and downward projecting spindles rotatable in any direction on a stationary or rotatable main shaft stand positioned above the grinding tank and fitted to a fitting column body are provided, the grinding tank is charged with such grinding materials as hone grains and is stopped or rotated at a low or high speed ...
WO2004091856A3 - Grinding apparatus and …
A grinding assembly for shaping work pieces that includes one or more grind spindles. Each of the grind spindles include two independent grinding wheels driven by a single spindle drive. The grind spindles translate horizontally to perform both edge and face grinding with a single grind spindle. A non-contact position sensor in a work spindle measures work spindle displacement during grinding ...
Spindle grinding method and apparatus - BRIAN; …
21.06.1994 · This invention relates generally to truing the bores of rotary spindles, and more particularly concerns method and apparatus for effecting said truing by grinding the spindle bore while the spindle itself is rotating. There are many advantages to grinding a spindle in place, one being the low down time. If the spindle were to be removed, more than likely the bearings and seals would, …
US6319097B1 - Grinding methods and apparatus …
A method of grinding an axial region of a workpiece using a grinding wheel which is rotatable by a drive motor and is mounted on a wheelhead and whose width is not substantially greater than that...
WO1999039873A1 - Grinding spindle - Google …
The invention relates to a grinding spindle, comprising a spindle housing and two coaxial shafts which are driven by a drive motor. A concentric grinding disk is fixed to each of said shafts. The...
DE2848029A1 - Grinding method and apparatus - …
apparatus grinding method grinding method Prior art date 1978-11-06 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.) Granted Application number DE19782848029 Other languages German (de) Other versions DE2848029C2 (en Inventor Ietatsu Ohno Original ...
JP4169739B2 - Method and apparatus for …
With the great mobility of the individual grinding spindles realized by the method according to the invention, there must be sufficient space between the workpiece spindle table and the tailstock....
fuel injection nozzle spindle grinding apparatus
fuel injection nozzle spindle grinding apparatus. Method of combining grinding and EDM operation for… fuel injector nozzle body; the apparatus including a combined operation grinder spindle and an EDM seat ... Contact Supplier
GRINDING APPARATUS AND GRINDING …
08.06.2017 · GRINDING APPARATUS AND GRINDING METHOD . United States Patent Application 20170157740 . Kind Code: A1 . Abstract: A double-head grinding machine includes: a spindle driving portion configured to rotate a spindle to which a grinding wheel is attachable; a moving portion configured to move the spindle driving portions toward and away from a wafer; and an inclination …
Grinding method and apparatus - OHNO; IETATSU
28.07.1981 · Grinding method and apparatus . United States Patent 4280302 . Abstract: A grinding method characterized in that a rotatably arranged grinding tank and downward projecting spindles rotatable in any direction on a stationary or rotatable main shaft stand positioned above the grinding tank and fitted to a fitting column body are provided, the grinding tank is charged with such grinding …
US Patent for Adjustable grinding method and …
A method of grinding the bore of a rotary spindle, the bore having a taper, to true the bore while the spindle rotates about a spindle axis, the steps that include providing a support attachable to a base associated with the spindle; providing an angled slide on the support, the slide being movable endwise relative to the spindle and at a predetermined angle to the spindle axis, that angle ...
US Patent for Method and apparatus for grinding …
Method and apparatus for grinding convergent conical surfaces Feb 18, 1981 - Voumard Machines Co. S.A. Two grinding-wheel spindles bearing grinding wheels are mounted on a table which undergoes an angular displacement for simultaneously grinding convergent internal and external conical surfaces of a workpiece, on the one hand, and for truing the grinding wheels by means of truing tools, on the ...
grinding method and grinding apparatus - …
Jun 08 2017· GRINDING APPARATUS AND GRINDING METHOD United States Patent Application 20170157740 Kind Code A1 Abstract A double-head grinding machine includes a spindle driving portion configured to rotate a spindle to which a grinding wheel is attachable a moving portion configured to move the spindle driving portions toward and away from a wafer
US Patent for Grinding apparatus and method …
The present embodiments provide methods, systems and apparatuses for use in grinding work pieces, such as wafers. Some embodiments provide methods that position a grind spindle to contact a first grinding spindle to a face of a work piece, remove a portion of the face, and control the removing of the portion of the face according to a control algorithm.
US Patent Application for Grinding apparatus and …
The present embodiments provide methods, systems and apparatuses for use in grinding work pieces, such as wafers. Some embodiments provide methods that position a grind spindle to contact a first grinding spindle to a face of a work piece, remove a portion of the face, and control the removing of the portion of the face according to a control algorithm.
US Patent for Grinding apparatus and grinding …
Justia Patents Adjustable US Patent for Grinding apparatus and grinding method Patent (Patent # 10,543,580) Grinding apparatus and grinding method Jan 2, 2018 - JTEKT CORPORATION
Grinding method and apparatus - Seiko Seiki …
26.04.1977 · Grinding method and apparatus . United States Patent 4019288 . Abstract: A method of feed grinding workpieces comprises moving a workpiece into pressure contact with a grinding wheel and rotationally driving the grinding wheel relative to the workpiece at a predetermined speed of rotation different than the resonant frequency of the grinding wheel spindle assembly to effect feed grinding …