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| Number | Title | Issue Date |
| 8360819 | Method for grinding a machine part, and grinding machine for carrying out said method Disclosed is a method for grinding a machine part that is used as a drive shaft, for example, rotates about the longitudinal axis thereof during the grinding process, and is provided with a journal at one axial end thereof and a recess at the opposite end thereof. T... | 01/29/2013 |
| 7708623 | Cylindrical grinding method for producing hard metal tools and cylindrical grinding machine for grinding cylindrical starting bodies during the production of hard metal tools A grinding method and to a cylindrical grinding machine grinds metal rod that is pushed through a chuck of a workpiece spindle head. Two backrest seats are ground on and two backrests are then seated. The support of an end area enables a front cone to be ground. A g... | 05/04/2010 |
| 7393261 | Cylindrical grinding method for producing hard metal tools and cylindrical grinding machine for grinding cylindrical starting bodies during the production of hard metal tools The invention relates to a grinding method and to a cylindrical grinding machine, in which a sintered hard metal round rod is completely pushed through a chuck of a workpiece spindle head, said chuck having chuck jaws. Two backrest seats are ground on the freely pro... | 07/01/2008 |
| 7258594 | Method and device for centerless cylindrical grinding During centerless cylindrical grinding, attention must be paid to the fact that the workpiece (3) is placed in a very specific position between the grinding wheel (1), the regulating wheel (2) and the support guide (4). The optimal positi... | 08/21/2007 |
| 7235007 | Divided grinding tool The invention relates to a grinding tool which comprises at least two detachable parts which are connected together. Both parts form a grinding disk-type body comprising a grinding surface which is interrupted on the peripheral area thereof. Said parts can be adjust... | 06/26/2007 |
| 7147547 | Method and device for grinding a rotationally symmetric machine part A method and a device for grinding a machine part that has two shaft elements, a machine part axis and a large diameter central element having a side surface which is embodied in the form of a flat truncated cone. The machine part is clamped between centers and is m... | 12/12/2006 |
| 7083500 | Method and device for grinding the outside and inside of a rotationally symmetric machine part comprising a longitudinal borehole A machine part with a conical effective surface, which is machined by means of a device comprising a machine bed, a longitudinally movable grinding bench, and a workpiece spindle head that clamps the machine part by means of clamping jaws via a chuck. The conical ef... | 08/01/2006 |
| 7008294 | Method and device for grinding a rotating roller using an elastic steady-rest support The invention relates to a device for grinding rollers, also for grinding hollow rollers. As the rollers tend to vibrate transversally as a result of the contact with the grinding disc, a cushioned body is applied to the opposite side of the roller from the grinding... | 03/07/2006 |
| 6913522 | Method and device for grinding central bearing positions on crankshafts An apparatus for grinding center bearings of crankshafts includes a clamping unit for clamping and driving a crankshaft; a grinding spindle, positionable perpendicular to the crankshaft; a plurality of grinding wheels on the grinding spindle, corresponding to the nu... | 07/05/2005 |
| 6878043 | Rough- and finish-grinding of a crankshaft in one set-up Method of grinding a concentrically clamped crankshaft, a crankshaft grinding machine for carrying out the method, and a crankshaft of high-alloy steel or cast material. The method provides for pin journals and main journals of the crankshaft to be ground in one set... | 04/12/2005 |
| 6685536 | Method for grinding convex running faces and outside diameters on shaft-like workpieces in one set-up and grinding machine for carrying out the method The invention relates to a method for grinding convex running surfaces and exact outside diameters on undulated workpieces. In a clamping, a first convex running surface is ground on a discoid partial section of an undulated workpiece during a first grind... | 02/03/2004 |
| 6431966 | Grinding spindle unit with magnetic drive The present invention provides a drive for a grinding wheel of a cam grinding machine, in which case an electric motor is provided with a drive wheel, the drive wheel is provided with equispaced, annular recesses, the annular recesses are fitted on the ra... | 08/13/2002 |
