C620-1车床溜板箱脱落蜗杆的托板(图1),由于脱落蜗杆经常和蜗轮啮合、脱落,其A、B支承面容易磨损,严重时影响蜗轮副的正常传动和操作。为此,北京开关厂根据零部件结构和操作原理,总结了托板支承面修复工艺,效果 C620-1 lathe slide box off the worm pallet (Figure 1), because the worm off and often worm gear mesh, off, the A, B bearing surface easily worn, serious worm gear when the normal transmission and operation. To this end, Beijing Switchgear based on component structure and operating principle, summed up the pallet support surface repair process, the effect