TB880E型掘进机刀具在刀盘上的固定

Fixing the Cutters on the Cutter Head of the Tunnel Boring Machine

刀具在刀盘上的正确安装和可靠固定,是刀具正常工作的基本保证.TB880E型掘进机在秦岭隧道南口的掘进中常发生刀具松动,丧失破岩功能的现象.本文就避免刀具松动的几项有效措施作了总结归纳,供同行参考.

Accurately assuming and credibly fixing the cutters on the cutter head can ensure the essential work of the cutters. During the drilling at Qingling South Tunnel,the cutters often loosen and then stop working. This article presents some efficient measures to avoid the cutters' loosening.