Lapping machine and lapping method
AssigneeToyota Jidosha Kabushiki Kaisha
InventorTomomi IMAIZUMI
Life of this patent
Estimating the term…
Abstract
A lapping machine includes a lap that is meshed with a workpiece gear and laps the workpiece gear. The lap is meshed with the workpiece gear such that: there is a clearance in a prescribed amount between a tooth tip of the lap and a bottom land of the workpiece gear, and there is a clearance in the prescribed amount between a bottom land of the lap and a tooth tip of the workpiece gear; and an effective tooth tip of the lap is located closer to the bottom land of the workpiece gear than a curved line indicating a tooth profile management diameter of the workpiece gear is.
Claims2
A lapping machine comprising a lap that is meshed with a workpiece gear and laps the workpiece gear, wherein
- the lap is meshed with the workpiece gear such that:
- there is a clearance in a prescribed amount between a tooth tip of the lap and a bottom land of the workpiece gear, and there is a clearance in the prescribed amount between a bottom land of the lap and a tooth tip of the workpiece gear;
- and
- an effective tooth tip of the lap is located closer to the bottom land of the workpiece gear than a curved line indicating a tooth profile management diameter of the workpiece gear is.
A lapping method of lapping a workpiece gear with a lap that is meshed with the workpiece gear,
- the lapping method comprising meshing the lap with the workpiece gear such that:
- there is a clearance in a prescribed amount between a tooth tip of the lap and a bottom land of the workpiece gear and there is a clearance in the prescribed amount between a bottom land of the lap and a tooth tip of the workpiece gear;
- and
- an effective tooth tip of the lap is located closer to the bottom land of the workpiece gear than a curved line indicating a tooth profile management diameter of the workpiece gear is.
Dependencies are inferred from the claim text.