Hydraulic Cylinder
Hydraulic Cylinder
Hydraulic Cylinder



Hydraulic Cylinders
manufacturer

Qualified hydraulic cylinder with enconomical costs

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The reasons and elimination methods of movement speed can not reach the predetermined value:

The reasons and elimination methods of movement speed can not reach the predetermined value:
1. the output oil of Hydraulic pump is enough
Methods to the reference books related content.
2. the leakage of Hydraulic cylinder into fuel oil
Elimination method:
(1) ruled out pipeline leak;
(2) check valve and relief valve cone seating, such as the seals is bad and produce leakage, make the oil to be automatically flowed back to tank.
3. Hydraulic cylinder of internal and external leakage seriously, of which the main causes of internal leakage.
Elimination method see this section "hydraulic cylinder of leakage".
4. Movement speed with the position of the trip and different decline, owing to suppress the strength in cylinder make motion resistance increased.
Elimination method: improve parts processing precision (just the hole of cylinder cylindricity) and assembly quality.
5. on the way of hydraulic oil back, the pipeline resistance pressure drop and back pressure resistance is too big, the pressure oil from the relief valve to return to tank overflow, makes the speed can not reach the requirements.
Elimination method:
(1), return pipe road should not be too thin, pipe diameter should according to the tube for general flow 3 ~ 4 m/s calculate and determine the;
(2), reduce pipeline crooked;
(3), back pressure cannot too high.
6. the internal of hydraulic cylinder congested and elimination damping method: dismantle the cleaning.
7. use accumulator to realize rapidly movement, speed can not reach the demand the reason may be the accumulator pressure and capacity are not enough.
Elimination method: to check calculation again. The hydraulic cylinder movement speed can not reach the predetermined value is one of the important reasons for the flow supply, this often related to pump return circuit.
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