The drawing cylinder of C7620 is very difficult to assemble and disassemble ; the oil seal of the drawing cylinder is easy to wear down faster and causes leakage.

  • C7620车床的拉紧油缸在装配和拆卸时较为困难;密封圈磨损较快;且漏油现象严重.;针对这些问题;对油缸进行了改进
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