Tooth deviation of the grinding machine both before and after the error compensation are measured by using CMM gear measuring device.

The gear grinding machine with conical wheel is retrofitted into CNC, the CNC controlled method for tooth profile relief is researched and applied, a comparison with traditional method is carried out.

Gear tooth face serious wear new gear should be changed, if only gear at both ends of the plane wear, can be in surface grinding machine on grinding repair light.