| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an internal gear grinder saving on a space and downsizing a machine, by simplifying a dressing operation, and also to provide a dressing method for a barrel-shaped screw-like tool. <P>SOLUTION: This internal gear grinder grinds a workpiece W by meshing the workpiece W with a barrel-shaped screw-like grinding tool 17 to be synchronization-rotated, includes a dressing device 20 for dressing the screw-like grinding tool 17, by meshing the screw-like grinding tool 17 with a disk dresser 56, and operates the screw-like grinding tool 17 and the disk dresser 56, in response to a torsion angle of the screw-like grinding tool 17 and a shape of a barrel shape, when dressing the tool. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
