为了提高产品质量,满足生产需要,我厂对 X206和 X209龙门铣床进行了修理和改装,取得了良好的效果。一、X206和 X209缺陷分析(1)床身导轨的损伤:导轨面伤痕长达3×1.5×3000毫米。其原因除操作维护不当外,主要由于长期存在严重的漏油,润滑不良,特别是供油系统经常发生缺油,且无防屑防尘装置。另外由于润滑系统配置不合理,工作台的进给虽 In order to improve product quality and meet production needs, our factory repaired and modified the X206 and X209 gantry milling machines and achieved good results. First, the X206 and X209 defect analysis (1) bed rail damage: track surface scratches up to 3 × 1.5 × 3000 mm. In addition to improper operation and maintenance reasons, mainly due to the long-standing serious oil spills, poor lubrication, especially the oil supply system often lack of oil, and no anti-dust device. In addition due to the lubrication system configuration is not reasonable, table feed though