18729683. MACHINE-PART MATING STRUCTURE (FANUC CORPORATION)
MACHINE-PART MATING STRUCTURE
Organization Name
Inventor(s)
Masahiro Yamamoto of Yamanashi JP
MACHINE-PART MATING STRUCTURE
This abstract first appeared for US patent application 18729683 titled 'MACHINE-PART MATING STRUCTURE
Original Abstract Submitted
A machine-part mating structure is for mating a columnar shaft with a mating hole in an axial direction. The mating hole includes at least two mating regions arranged side-by-side in the axial direction in a mating area, in which the mating hole is mated with the shaft, extending in the axial direction. Of the mating regions, an inner diameter, at an upper tolerance limit, of a first mating region located on an inner side of the mating hole is smaller than an inner diameter, at a lower tolerance limit, of a second mating region located closer to an inlet of the mating hole than the first mating region. The second mating region is dimensioned in the axial direction so that the shaft is allowed to smoothly enter the first mating region even if the shaft is inclined to a maximum angle with respect to an axis of the mating hole.