液塑内拔胀套顶尖是针对我厂加工千斤顶油缸而设计的专用夹具,按种类分死胀套顶尖和回转胀套顶尖两种,根据不同型号的产品分有8种规格。(死胀套顶尖和回转胀套顶尖配套使用)。在长期使用中确实对稳定产品质量、提高生产率起到了较大作用,解决了用其他工艺加工易出现油缸外螺纹与内孔同轴度超差的技术难题。其结构如图1所示。 Fluid Plastic Expansion Sleeve Sleeve The top is designed for our factory processing jack cylinders designed for special fixtures, according to the type of sub-expansion set of the top and slewing sets of top two, according to different types of products have eight kinds of specifications. (Dead End Expansion Sleeve and Sleeve Sleeve Top). In the long-term use, it does a great job in stabilizing the product quality and improving the productivity, and solves the technical problem that the outer concentricity of the external thread and the inner hole of the cylinder is prone to occur by other processes. The structure shown in Figure 1.