l Main parts are casted with high-strength material and after artificial aging treatment;
l Vertical milling head can swivel ±45° on the vertical plane and spindle bearing is tapered roller bearing;
l The guideway pair on X, Y and Z axes are supersonic frequency quenched, precision grinded and scraped;
l Lubrication system may make forced lubrication on the lead screw and guideway;
l Ball screw is optional for VKM32G Heavy-duty Vertical Knee-type Milling Machine.