這是一臺火車救援起重機上的重載回轉支承，按照客戶的要求，我們開始對這臺回轉支承進行拆卸檢查以及保養維護。
保養內容一般包括，滾道磨損檢查，滾柱更換，隔離塊更換，螺栓螺帽更換，潤滑脂更換，整體探傷查驗，整體清洗，外觀精車除銹。
Disassembly and maintenance of heavy-duty slewing bearing
This is a heavy-duty slewing bearing on a train rescue crane. According to the customer’s request, we began to dismantle, inspect and maintain this slewing bearing.
The maintenance content generally includes, raceway wear inspection, roller replacement, spacer block replacement, bolt and nut replacement, grease replacement, overall flaw detection and inspection, overall cleaning, and appearance finishing.
