Vertical mill tension rod hydraulic cylinder cylinder oil processing

Vertical mill tension rod hydraulic cylinder oil cylinder head of 2020 - processing 10 - 01 a company of 5000 t/d production line with using MPS5000B vertical grinding materials, six years after the production of the vertical mill a tension rod hydraulic cylinder oil cylinder head, 2 consecutive replacement seals, or the oil cylinder head, through careful observation and processing, finally solved the leakage fault. The hydraulic cylinder, according to the structure of cylinder head in hydraulic cylinder oil cavity from contact with the piston rod seal facing the extremely small amount of spill oil, down the drain orifice flow to the external drainage tubing finally returned to the oil system. Vertical mill using eight years later, found that the cylinder head 1 leaks, use 1 year after the first replace the seal oil spill, and from this side and replace the seal, but use after 2 months still leak. Short time change 3 consecutive seal, are not completely solve the leaking problem, check the piston rod and seal set of normal analysis could be shifted slightly when using gland seal cover with the drainage hole on cylinder head 1 dislocation, the oil is unable to discharge from the drainage hole, only from cylinder head 1 contact with the piston rod for discharging, caused the spill. On the basis of analysis of the seal set, before and after the modification as shown in figure 1. Gland processing cylindrical drain pan ( 8 mm wide, deep 0. 8mm) That enables the oil has always been to from oil orifice flow to external drainage pipeline. Figure 1 hydraulic cylinder cylinder head structure schematic modification after using more than two years time, didn't leak occur, illustrate the above process is successful, plan and then other two hydraulic cylinders in the same preventive treatment. （ Source: anyang China united cement co. , LTD. )