公开(公告)号：WO2017100046A1

公开(公告)日：2017-06-15

申请号：PCT/US2016/064089

申请日：2016-11-30

Applicant: CATERPILLAR INC.

Inventor： BARNES, Christopher Allen ,  PICKERT, Thomas Edward

IPC: C22C37/06 ,  C22C37/08 ,  C22C37/10 ,  F16J15/34 ,  B22D13/02 ,  C21D5/00 ,  C21D5/02

CPC classification number: C21D9/40 ,  B22D13/02 ,  B62D55/088 ,  C21D5/00 ,  C21D8/005 ,  C21D2211/001 ,  C21D2211/008 ,  C22C37/06 ,  C22C37/08 ,  C22C37/10

Abstract: A seal ring (100) comprising a chromium and boron containing cast iron alloy composition is disclosed. The cast iron alloy composition comprises each of boron, chromium and silicon in the following amounts: boron up to 1.5 wt. %; chromium from 8 to 14 wt. %; and silicon up to 3.0 wt. %. The seal ring (100) may be produced by melting a cast iron composition further comprising the foregoing alloying elements; pouring the melted alloy into a mold; cooling the melted alloy to form a cast iron seal ring; and separating the cast iron seal ring from the mold. The seal ring is typically used in the undercarriage of earth-working machines, such as in the drive train or power train of such machines.

Abstract translation: 公开了包含含铬和硼的铸铁合金组合物的密封环（100）。 所述铸铁合金组合物包含以下量的硼，铬和硅中的每一种：至多1.5wt。 ％; 铬8-14重量％ ％; 和硅高达3.0wt。 ％。 密封环（100）可以通过熔化进一步包含上述合金元素的铸铁组合物来制造; 将熔化的合金倒入模具中; 冷却熔化的合金以形成铸铁密封环; 并将铸铁密封环与模具分离。 密封圈通常用于土方工程机械的底盘，例如这种机器的传动系或动力传动系。