当垂直刀架下降时，由于摩擦力阻碍其下降，使丝杆的上螺旋面螺母的下螺旋面相接触，丝杆螺母的间隙在下面。
When the vertical turret decline, due to friction hinder its decline, the screw on helical screw nut under the physiognomy contact screw nut in the space below.
采用螺旋型四工位自动转位刀架系统。
And take use of spiral type of four position automatic switch cutter frame system.
一种螺旋体灌注桩成桩用刀具，由刀架箱和刀具构成。
The present invention relates to a pile-forming tool for poured spiral pile, consisting of tool head box and tool.
应用推荐