When the initial buffering pressure decreased, the slipping time, ultimate frictional torque, maximal dynamic torque factor and frictional work increased, but the first impact in shifting process was decreased. 随着缓冲起始压力的减小,离合器的滑摩时间、最大滑摩扭矩、最大动载系数、滑摩功都在增大,但换挡冲击减小。