Requirements for hydraulic steering rack cylinder are very high, the rack cylinder should be durable, lubricants preservable and of seal. so, finish machining and parameter-set are necessary.
英
美
- 液压转向机对齿条杆部表面有很高的耐磨、储油、封存要求,为此需要一套表面超精加工工艺及加工参数设定。