接箍类自锁型扶正器
Self-locking Coupling Centralizer

本结构产品是由35CrMo 或经过调质工艺处理的符合SY/T5832-2009《抽油杆扶正器》行业标准的其它材料，冷挤轧制两端内螺纹，并在扶正件外轮廓上设有纵向凸凹棱油流道，使其钢件本体与外部扶正件，可采用PA66或UHMW-PE两种材料，通过注塑工艺实现完美结合的产品。

It is a structure product comprising of steel component and stabilizer component. The steel component was made from 35CrMo or other materials being in compliance with Y/T5832-2009 industry standard for stabilizer for sucker rod after the treatment by means of quenching and tempering. The steel component was processed with male and female screw thread at both sides. The stabilizing component was equipment with vertical concavo and convex oil-flow road, which could make thesteel component and outside stabilizing component combine with each other perfectly by adopting PA66 or UHMW-P2 by means of technique of
injection molding.