HIGH SPEED METAL FACE SEAL

摘要

A face seal assembly and rotating assembly for a track machine are disclosed. The face seal assembly includes a first seal ring, an annular housing, a second seal ring, and a bias member. The first seal ring is fixed to a rotating part for rotation about an axis. The first seal ring includes a seal face and a radially outer surface press-fittingly confronting an annular bore in the rotating part. The annular housing is spaced axially inward from the first seal ring and rotationally fixed. The annular housing includes an axially inner surface and a radially inner surface. The second seal ring is disposed axially between the first seal ring and the annular housing. The second seal ring includes a seal face confronting the seal face of the first seal ring. The bias member is compressed between the annular housing and the second seal ring.

主权项

1. A face seal assembly for a rotating part, comprising:
a first seal ring fixed to the rotating part for rotation therewith about an axis, said first seal ring having
a seal face anda radially outer surface, said radially outer surface press-fittingly confronting and in sealing engagement against a radially inner surface of an annular bore formed in the rotating part; an annular housing spaced axially inward from said first seal ring and rotationally fixed with respect to said axis, said annular housing having
an axially inner surface anda radially inner surface; a second seal ring disposed axially between said first seal ring and said annular housing, said second seal ring having
a seal face confronting and in mutual sealing engagement with the seal face of said first seal ring to define a seal plane between the seal faces, wherein substantially all of the seal face of the first seal ring is in sealing engagement with substantially all of the seal face of the second seal ring; and a bias member compressed between the annular housing and the second seal ring.