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| Number | Title | Issue Date |
| 7121930 | Process and dressing tool for the dressing of cylindrical grinding worms for the continuous generation grinding of gears A rotating dressing tool (2) coated with abrasive grains for profiling a multi-start grinding worm (4) for the continuous generation grinding of preferably small moduled gear teeth is provided with a stripping zone (6), a pre-profiling zone (... | 10/17/2006 |
| 7118459 | Dressing tool for profiling the tip area of a threaded grinding wheel A dressing tool for profiling the tip area of a threaded grinding wheel used for continuous generation grinding. Concave working faces (13) are arranged in a cylindrical surface of the dressing tool (7) and coated with an abrasive coating. The pitch (P... | 10/10/2006 |
| 6561879 | Conditioning device for grinding wheels The invention relates to a conditioning device (1) for grinding wheels (2) for machining the edge areas of plate-shaped objects, such as, for example, glass panes or the like, for which the grinding wheels (2), in a conditioned state, have at least one ci... | 05/13/2003 |
| 6551177 | Forming device for bevelling A forming device (100) for bevelling includes a base (102), a rail (104), a workbench (106) and a bar (108). A pair of support arms (114) extends upwardly from the base. An axle (120) is received in pivot holes (118) defined in the support arms. One end o... | 04/22/2003 |
| 5833520 | Mirror polishing device A device for mirror-polishing the end of an optical fiber connector or similar elongate workpiece into a convex shape. A first grindstone polishes the workpiece while a second grindstone corrects the work surface of the first grindstone when it is deforme... | 11/10/1998 |
| 5632666 | Method and apparatus for automated quality control in wafer slicing An internal diameter saw, and in particular a method for operation which facilitates the maintenance of quality control of semiconductor wafers sliced from an ingot of source material. The internal diameter saw has a controller which monitors the deflecti... | 05/27/1997 |
| 5538460 | Apparatus for grinding hard disk substrates An apparatus for grinding hard disk substrates includes a dressing unit essentially radially movable across the faces of rotating of grinding wheels for simultaneously dressing one or both of the two confronting surfaces thereof. The apparatus thus constr... | 07/23/1996 |
| 5411431 | Method for crown gear grinding by generation Crown wheels (21) are ground on a grinding machine with the aid of a hobbing grinding disc (11) of ceramic material which is formed on the same grinding machine with the aid of a dressing crown wheel (13) with one or more teeth (14) provided with a dressi... | 05/02/1995 |
| 5339794 | Tool for dressing double-lead, cylindrical grinding worms A tool 1 comprises a single rib dressing roll 5 and two semi-rib dressing rolls 10, 11 separated by spacers 13. The two flanks 31, 33 of a first lead 32 of a grinding worm 30 are dressed by the two flanks 6, 7 of the single rib dressing roll, and the two ... | 08/23/1994 |
| 5209020 | Method of and apparatus for profiling grinding wheels A method and apparatus for profiling a grinding wheel (12) used to grind a workpiece (6) includes selectively feeding the grinding wheel radially against a dressing roller (19) to dress the wheel. Between successive dressing operations, the dressing rolle... | 05/11/1993 |
| 5183026 | Method and apparatus for dressing an angular grinding wheel A grinding machine having an angular type grinding wheel and a dressing apparatus therefor. The grinding wheel is formed with first and second grinding surfaces usable for grinding a cylindrical surface and shoulder end surface of a workpiece, respectivel... | 02/02/1993 |
| 5144938 | Method and device for resharpening saws especially used for making semiconductor wafers A device and method for resharpening the cutting edge of saws used in particular in the centerhole sawing of semiconductor bars. It contains a sharpening system which consists of at least one elongate sharpening stone facing the cutting edge with its end ... | 09/08/1992 |
| 5138799 | Probe positioning mechanism for a radius dresser The present invention relates to systems and methods of controlling the dressing operation of computer numerically controlled grinding machines. A contact probe is positioned relative to a dresser and contact measurements are made to determine the positio... | 08/18/1992 |
| 5038746 | Precision grinding wheel dresser with molded bearing and method of making same A grinding wheel radius dresser including a dresser housing, a spindle having a tapered outer bearing surface, a drive means for rotating the spindle and a damage resistant bearing. The bearing includes a tapered inner bearing surface produced by molding ... | 08/13/1991 |
| 4561415 | Apparatus for profiling an abrasive millstone This invention relates to an apparatus for profiling, truing or dressing, with precision, an abrasive millstone, by cutting using diamond tools. The apparatus comprises a truing head 15 consisting of a cylinder 16 which is provided with a series of separate re... | 12/31/1985 |
| 4559919 | Grinding wheel profiler A profiler for moving a dresser into and across a rotating grinding wheel to form or dress a predetermined configuration in the grinding wheel for use in grinding workpieces. The dresser is moved along two axes at a right angle to each other by lead screw... | 12/24/1985 |
| 4237852 | Dressing tool for the grinding wheel of a gear grinding machine A dressing tool for a gear machine grinding wheel has a disc with a notch reproducing the tooth space of the gear ground by the machine. The flanks of the space open radially inward into a bore. A strip coated with diamond granules is removably affixed to... | 12/09/1980 |
