M7163x20，M7160x20，M7150x20
We adopt special type plain bearing at the spindle nose. (the external is conical,the internal is cylindrical) this kind of structure is long serves life.
We adopt a motor built-in type motor structure. This structure is compact and excellent rigidity.
Worktabl e l ongi tudi nal movement and gri ndi ng head cross movement is support ed by hydraulic syst em. They are stepless and variable speed.
