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THE INSPECTION | ||||||||
NO. | Test Item | Testing Content | ||||||
1 | Testing station | Test the running of hydraulic station and valves,pressure gauge and pipe | ||||||
2 | Minimum pressure for running | Drawing requirment | ≤ MPa | |||||
3 | no-load capacity performance MPa | When it is no-load,the cylinder run more than two cycles,it should work normally | ||||||
4 | Mounting size | Drawing requirment | ||||||
5 | Stroke | Drawing requirment | ||||||
6 | Outer Size | Drawing requirment | ||||||
7 | Port Size | Drawing requirment | ||||||
8 | Durability | Testing time | ||||||
9 | Keep Pressure | With the working pressure MPa,keep pressure for 15 minutes,the working pressure should not low moer 0.5 MPa. | ||||||
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 | ||||||

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