牙轮钻头密封试验技术研究及密封圈性能评价
况雨春1(
),何鹏1,何璟彬2,魏琦3,周姝文4,董宗正1
),何鹏1,何璟彬2,魏琦3,周姝文4,董宗正1
Research on sealing test technology of cone bit and evaluation of seal ring performance
Yuchun KUANG1(),Peng HE1,Jingbin HE2,Qi WEI3,Shuwen ZHOU4,Zongzheng DONG1
),Peng HE1,Jingbin HE2,Qi WEI3,Shuwen ZHOU4,Zongzheng DONG1
图3. 动试件三维结构示意图
Fig.3. Three-dimensional structure diagram of dynamic specimen
