Q
Hydraulic Cylinder Inspection Content
A
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

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