Patent ID: 6481508
Filing Date: 2002-11-19
Classification: B23F,B23Q

Abstract:
A computer controlled machine for testing or lapping gears, said machine comprising a first spindle rotatable about a first axis and a second spindle rotatable about a second axis, said machine further comprising:at least one of said first and second spindle including a rear spindle portion and a forward spindle portion, with each of said rear spindle portion and said forward spindle portion being rotatable relative to one another about the respective spindle axis; one or more spring elements extending between said rear spindle portion and said forward spindle portion; whereby the relative rotational position of said rear and forward spindle portions of at least one of said first and second spindles is controlled during machine operation to effect a predetermined deflection of said spring elements thereby resulting in a predetermined winding-up of said spring elements and the creation of a desired and controllable amount of torque between members of a meshed gearset comprising a first gearset member mounted on said first spindle and a second gearset member mounted on said second spindle.