Hengyu hydraulic equipment has been certified, hydraulic cylinders, hydraulic cylinders Dalian

Hydraulic models, can be customized hydraulic cylinder / means may be used together with a series of multi-section cylinders, pistons made of two or more packages from the hydraulic cylinder, a front piston cylinder piston rod after a cylinder cylinder, so as to achieve a longer working stroke of the sleeve in the form of a multi-stage hydraulic cylinder piston rod, generally referred to as telescopic hydraulic cylinder, a hydraulic cylinder or a Picture multistage hydraulic cylinder. Applications cylinder is the most important parts of construction machinery processing method broaching cylinder - fine boring cylinder - grinding cylinder. Compare grinder or mill into quilting (tens of thousands - hundreds of millions), rolling knife (1 thousand - tens of thousands). After rolling, the surface roughness of the former buildings hole roll Ra3.2 ~ 6.3? M reduced to Ra0.4 ~ 0.8? Surface hardness m, the hole increased by about 30%, the cylinder surface fatigue strength increased by 25%. Cylinder life if only to consider the impact of the cylinder barrel, increased by 2 to 3 times, boring rolling process more grinding efficiency is about 3 times. The above data shows that the rolling process is efficient and can greatly improve the surface quality of the cylinder barrel.