The headstock consists of a horizontal saddle with hydrostatic bearings for the X-axis and a vertically mounted ram housing with hydrostatic bearings for the vertical guided rectangular ram (Z-axis).

• 主轴箱包括一套沿X轴横向移动、带静压轴承的滑枕拖板，和一套垂直安装、为矩形滑枕(Z轴)垂直导向、带静压轴承的滑枕箱。