基于反变形的发动机缸体止推面垂直度补偿控制方法

周语祺,薛飞,肖域坤,葛广言,杜正春

Compensation control method for perpendicularity of engine cylinder block thrust surfaces based on anti-deformation

Yuqi ZHOU,Fei XUE,Yukun XIAO,Guangyan GE,Zhengchun DU

表2 止推面反变形补偿有限元分析结果

Table 2 Finite element analysis results of anti-deformation compensation of thrust surfaces

补偿策略 铣刀倾斜角度/(°) 变形量/μm 改善率/% 补偿效果 止推面#1 止推面#2 止推面#1 止推面#2 止推面#1 止推面#2 Z向反变形补偿 0.005 73 0.006 88 0.788 9 1.068 4 89.4 85.9 好 Y向反变形补偿 0.001 26 0.001 43 1.738 0 2.006 0 55.6 48.0 差 两向联合反变形补偿 — — 1.740 0 2.012 0 55.4 47.7 差 Z向平行反变形补偿 0.006 00 0.006 00 1.530 0 1.620 0 70.6 69.3 好