近年来，随着城市影响力的不断增强，当地经济发展迅速，带动了许多产业的发展。叉车在许多建筑工地、港口和码头都能看到。近年来，随着时代的进步和我国社会经济水平的提高，叉车的使用越来越广泛。
in recent years, with the increasing influence of cities, the rapid development of local economy has led to the development of many industries. forklift trucks can be seen in many construction sites, ports and wharfs. in recent years, with the progress of the times and the improvement of social and economic level in china, forklift trucks are used more and more widely.
在叉车保养的内容中，轮毂的修理是非常重要的，所以接下来让大家来谈谈如何有效的修理叉车轮毂。
in the maintenance of forklift trucks, hub repair is very important, so let's talk about how to effectively repair the forklift wheel hub.
但是，由于叉车的工作时间长，工作量大，磨损非常大。对于很多企业来说，他们也利用叉车维修公司来帮助。
however, due to the long working time and heavy workload of forklift truck, the wear and tear of forklift truck is very large. for many companies, they also use forklift repair companies to help.
1. 半轴螺栓孔内螺纹跟踪损坏，需要固定时，堆焊后重新钻孔攻丝。
1. when the thread in the hole of half-shaft bolt is damaged and needs fixing, drill and tap again after surfacing welding.
2. 叉车轮毂内外轴承座内径磨损大于0.05mm时，采用镀铬方法进行修复。
2. chromium plating is used to repair the wear of inner diameter of inner and outer bearing seat of forklift wheel hub when the wear is greater than 0.05 mm.
3、如果制动毂的轮毂出现裂纹，应考虑坡口焊接的方法，焊接后调平。
3, if the hub of the brake hub cracks, we should consider the groove welding method, leveling after welding.
4. 与制动毂接触的周向表面应平整。当轮毂中心线的圆周运动大于0.1mm时，应进行回转修复。
4. the circumferential surface in contact with the brake hub should be smooth. when the circumferential motion of hub centerline is greater than 0.1 mm, it should be repaired by rotation.
大型港口、码头和建筑工地经常见到各种类型的叉车。在众多的叉车中，直升机叉车近年来得到了广泛的应用。此外，由于城市综合实力的提高，近年来规模也不断扩大。由于叉车工作时间长、工作量大，在使用过程中难免会出现一些故障。常见的问题是零件在提升时振动。
forklift trucks of various types are often seen in large ports, wharfs and construction sites. in many forklifts, helicopter forklift has been widely used in recent years. in addition, due to the improvement of the city's comprehensive strength, the scale has been expanding in recent years. due to the long working time and heavy workload of forklift truck, some faults will inevitably occur in the use process. the most common problem is the vibration of parts during lifting.