The Inspection of Hydraulic Cylinder
NO. Test Item Testing Contect 1 Testing Station Test the running of hydraulic station and valves,pressure gauge,and pipe 2 Minimum Pressure for running Drawing requirements ≤  Mpa 3 No-load capacity performance When it is no-load,the cylinder run more than 2 cycles ,it should work normally 4 Mounting Size Drawing Requirement 5 stroke Drawing Requirement 6 outer Size Drawing Requirement 7 Port Size Drawing Requirement 8 Durability Testing Time 9 Pressure-tight Test With the working pressure ( ) Mpa,Keep pressure for 15 minutes,the working pressure should not low moer 0.5Mpa. 10 Leak When the testing pressure is 1.5 times of working pressure,keep pressure for three minutes,check the piston rod,welding parts and other parts,it should not be leak,spare parts can't be damaged 11 Shape After all inspection,put all oil insidee cylinder out,clean inner surface and outer surface of barrel,confirm the shape and quality is in line wiht drawing,add plug at the oil port Confirm the writing of label is clear,scale and model is in line with drawing 12 Package After up to standard,put cylinder and certification and into pack