公开(公告)号：US11921090B2

公开(公告)日：2024-03-05

申请号：US17604374

申请日：2020-04-17

Applicant: Guangxi Liugong Machinery Co., Ltd.

Inventor： Bo Lin ,  Li Zhang ,  Xiaona Wan ,  Jie Shao ,  Huiliang Xin ,  Hao Liang ,  Jinqiong Luo ,  Mingfeng Tan ,  Mingzhi Lin ,  Guoqing Hou

IPC: G01N3/56 ,  G01N33/30

CPC classification number: G01N3/56 ,  G01N33/30 ,  G01N2203/003 ,  G01N2203/0058

Abstract: A whole-vehicle-based method for evaluating extreme pressure and antiwear properties of grease includes injecting the grease onto a key bearing pin and causing the engineering machine to operate without load is disclosed. The method includes causing the engineering machine to operate under a load of 10% to 150% rated load at least once, viewing and analyzing a wear condition of a surface of the bearing pin, and issuing a whole-vehicle-based evaluation report of extreme pressure and antiwear properties of grease. The engineering machine is caused to operate once under a load of 10% to 150% rated load for 0.5 min to 100 h.