论文部分内容阅读
采用镀铁法修复磨损不大的零件比堆焊法有一系列优点:对零件没有热力作用;零件不会翘曲;所镀复的金属利用率高;可以用不贵重和不稀缺的材料获得耐磨镀层。 普通镀铁法的缺点是工序多、耗水量大、排水污染、镀层的电镀速度低。 本文介绍的连杆大头快速镀铁工艺将会克服上述缺点。电镀前对连杆先进行清理与缺陷检查,并放在除油装置(图1)上,用滑石粉对连杆大头内表面除油。将连杆4套在轴2和带毛刷的轴5上,毛刷预先涂上滑石粉。轴5的转速为50～100r/min,在转动1分钟后,利用泵7将箱体1底壳内的水压送到清洗机构3,以此除去连杆表面上的滑石粉和其他污物。除油和清洗的时间总计为2～3分钟。
The use of iron plating to repair the wear of the parts than the surfacing method has a series of advantages: no thermal effect on the parts; parts will not warp; plated metal utilization is high; can be inexpensive and not rare material resistance Grinding coating. The disadvantage of ordinary plating method is that many processes, water consumption, drainage pollution, plating plating speed is low. This article describes the connecting rod bulk iron plating process will overcome the above shortcomings. Galvanized before the link clean-up and defect inspection, and on the degreasing device (Figure 1), with talc on the inner surface of the connecting rod degreasing. Put the connecting rod 4 on the shaft 2 and the shaft 5 with the brush, the brush is pre-coated with talcum powder. Shaft 5 speed of 50 ~ 100r / min, after 1 minute of rotation, the use of pump 7 will be the bottom shell of the tank 1 to send water pressure cleaning mechanism 3, in order to remove the surface of the connecting rod talc and other dirt . The total time for degreasing and cleaning is 2 to 3 minutes.