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介绍了立柱、千斤顶用无模切削新型组合密封的结构特点及使用性能。现场使用表明,无模切削新型组合密封的应用提高了立柱、千斤顶的可靠性,延长了支架的使用寿命,具有广阔的推广前景和应用价值。
The structural features and serviceability of the new combination seal for studs and jacks are introduced. The field use shows that the application of the new combination seal without die cutting improves the reliability of the column and the jack and prolongs the service life of the bracket and has broad promotion prospect and application value.