DHJ型机械液压式减震器

DHJ型机械液压式减震器

DHJ型机械液压减震器是采用碟形弹簧和硅油组合的双作用减震器,能有效吸收钻具的跳动和震动;它具有良好的可维护性、耐高负荷和较高的使用寿命等优点;具有变刚度特性,故可适应不同地层的需要,给钻头最佳的?;?。
Mechanical -Hydraulic Shock Sub Type DHJ

Model “DHJ” Mechanical -Hydraulic Shock Sub, which can adopt the dished spring and silicone oil, is a two-action shock sub, being able to absorb the bounce and jounce of drill tool. It has advantages of good serviceability, high load bear and long service life. It has a characteristic of changing the rigidity as to protect the bit optimally, suiting the requirement of different layer.


作者speedyweb 作者speedyweb 2016年9月1日
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