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US10286520B2 Grinding apparatus and grinding method

Grinding Method. Next, a grinding method using the double-head grinding machine 1 will be described. The grinding method will be exemplarily described in an instance where the inclination angle θ of the spindle 31 is zero when the to-be-measured surface 35A is in parallel to the XY plane SA, in other words, when the spindle 31 is perpendicular

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Grinding method and grinding apparatus System Seiko

28/11/2000· Grinding method and grinding apparatus . United States Patent 6152804 . Abstract: A work W is rotated on a lower grinding wheel 13 provided on a work support base 11. Both surfaces of the work W are simultaneously subjected to grinding process by an upper grinding wheel 24 provided on a grinding shaft 22 of a grinding head 21 and the lower grinding wheel 13. The work W is

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JP2001269865A Grinding method Google Patents

FIG. 1 is a plan view of a grinding apparatus using a grinding method of the present invention. FIG. 2 is a diagram showing a relationship between a pin portion that rotates planetary around a spindle axis and a grindstone; FIG. 3 is a process diagram of grinding a pin portion. FIG. 4 is a diagram showing a pin portion and a grindstone according to the grinding method of the present invention

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GRINDING APPARATUS AND GRINDING METHOD

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

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US6273795B1 Method and apparatus of dressing a

The present invention relates to a method and apparatus of dressing a grinding wheel, and more specifically to a method of effectively dressing a high grain concentration grinding wheel which is usable for ultra high precision processing. 2. Description of the Prior Art. As shown in FIG. 7, when a grinding wheel 1 is formed into a predetermined shape (referred to as truing or trued

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Spindle Grinding Apparatus kpjlangeveen

GRINDING METHOD AND APPARATUS Unova U.K. Limited. 06/10/1999 1. A method of grinding a cylindrical piece surface in which the speed of rotation of the grinding wheel and/or the speed of rotation of the piece is changed in a relatively slow manner one or more times during the final stage of grinding, such rotational speed change extending into the final dwell period in which sizing occurs

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US4274231A Method and apparatus for dressing a

Apparatus and method for inspecting grinding wheels ITMO20100070A1 (en) * 2010-03-17: 2011-09-18: Giuseppe Soli: Machine for cutting and / or profiling of artifacts substantially sheet : US20120295516A1 (en) * 2011-05-16: 2012-11-22: Xiangtan Sanfeng Cnc Machine Tool Co., Ltd. Multi-carriage symmetrical numerically controlled coordinate grinding machine US8784155B2 (en) * 2011

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US Patent for Grinding apparatus and grinding method

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

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US20060040584A1 Method and apparatus for grinding

Apparatus for high speed grinding includes a diamond-bonded abrasive wheel, a drive mechanism for mounting and rotating the grinding wheel at peripheral speeds up to approximately 200 m/s, and a liquid coolant supply system including a delivery system for directing liquid coolant to the point of grinding

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Grinding method and apparatus. OHNO IETATSU

02/01/1992· A grinding apparatus comprising: a rotary drum adapted to be rotated by a driving unit; a grinding barrel rotatably mounted at a location away from the central axis of said rotary drum; and a rotating direction changing mechanism for rotating said grinding barrel in forward and backward directions, wherein a grinding material and objects to be ground may be enclosed in said grinding

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Grinding methods and apparatus Unova U.K. Limited

23/10/2001· Grinding methods and apparatus . United States Patent 6306018 . Abstract: The time to grind a workpiece can be reduced by selecting a grinding wheel whose width is not substantially greater than wheel strength considerations require, and which may therefore be less than the axial length fo the region to be ground providing a work rest or work steady to increase the workpiece stiffness if

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US Patent Application for GRINDING APPARATUS AND

Apparatus for grinding a product initially in the form of granules, grains or suchlike, comprising: a receptacle to contain the product to be ground and provided with an unloading aperture; a fixed grinder; a mobile grinder connectable to a drive motor; a grinding chamber in which the fixed grinder and the mobile grinder are located and provided with a discharge aperture to discharge the

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apparatus for grinding Translation into German

Translations in context of "apparatus for grinding" in English-German from Reverso Context: Method and apparatus for grinding the slide surface of skates. Register Login Text size Help & about العربية Deutsch English Español Français עברית Italiano 日本語 Nederlands Polski

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Grinding assembly, grinding apparatus, weld joint defect

@article{osti_1175505, title = {Grinding assembly, grinding apparatus, weld joint defect repair system, and methods}, author = {Larsen, Eric D. and Watkins, Arthur D. and Bitsoi, Rodney J. and Pace, David P.}, abstractNote = {A grinding assembly for grinding a weld joint of a workpiece includes a grinder apparatus, a grinder apparatus includes a grinding wheel configured to grind the weld

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Grinding method and apparatus OHNO IETATSU

07/06/1995· The grinding method comprises the steps of rotatably mounting not less than one grinding barrel (8) at locations away from the central axis (3) of a rotary drum (2), enclosing a grinding material and objects to be ground in the grinding barrels (8), rotating the grinding barrels (8) in the directions identical to and opposite to the direction in which the rotary drum (2) is rotated, and

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Method for grinding precision components (Patent) DOE

A method for precision cylindrical grinding of hard brittle materials, such as ceramics or glass and composites comprising ceramics or glass, provides material removal rates as high as 19-380 cm.sup.3 /min/cm. The abrasive tools used in the method comprise a strong, light weight wheel core bonded to a continuous rim of abrasive segments containing superabrasive grain in a dense metal bond

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