1.Eliminate the weak point of C-Frame,own a stable precision. 2. 3 post guiders and high ... ×2170Precision GB/JIS 1class1.Structure of frame Beyond the traditional C Frame, eliminate the weak point of C-Frame,Own a stable precision. Eccentricity Ioading ... and,precision of eccentricity loading, slide Ioadin9 guider. 2.RigidityThe frame use the senior iron which own high rigidity, reduce the ...