云南机床厂根据国内缺少特大主轴孔径中型卧式普通车床的情况,新研制出YN-63Z大孔径卧式车床。该机床主轴通孔除能容纳较大直径的工件外,还具有较高的加工精度,能配置特定的工件装夹附件,能对工件进行深孔加工、工件内外圆柱、圆锥等旋转表面的粗精车削加工。经生产试用证明,切削平稳, Yunnan Machine Tool Plant under the domestic lack of large spindle hole horizontal lathe general situation, the newly developed YN-63Z large-diameter horizontal lathe. The machine tool spindle through-hole in addition to accommodate larger diameter workpiece, but also has high machining accuracy, can be equipped with a specific workpiece clamping attachment, the workpiece can be deep-hole processing, the workpiece inside and outside the cylinder, cone and other rotating surface rough Fine turning. Proved by the trial production, cutting stable,