Patent ID: 7972197
Filing Date: 2011-07-05
Classification: B23F,B24B

Abstract:
1. Grinding machine for grinding of a gear or of a gear-like workpiece, comprising: a grinding worm with a tooth-shaped profile, which consists at least partly from a dressable abrasive material and which is arranged rotatably on a grinding spindle, so that it can rotate around an axis of rotation during grinding and a dressing device, with which at least a part of the forming areas of the grinding worm can be profiled, wherein the dressing device has a dressing spindle, which bears a disk-shaped dressing tool, so that it can rotate around an axis of rotation, wherein the grinding machine further has a dressing bar, which is non-rotatable and which has a dressing edge, wherein the form of the dressing edge corresponds at least partly to the ideal envelope of the grinding worm, wherein the dressing edge contacts only an outer circumferential area of the grinding worm, and wherein the dressing bar has a length which is at least the width of the grinding worm.