hydraulic ram for excavator heavy duty machinery 2000-2014

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1.ISO9001:2008
2.Seal:Merkel or Parker
3.Working pressure:16-25Mpa.
4.10 years of experienc
5.Material:CK45

CMAX series engineering hydraulic Cylinder

(1)working pressure:16MPa

(2)Piston diameter: 40-250mm

(3)Seals:Merkel or Parker

(4)Sensor: MTS or Balluff

Q: The difference between cylinder and hydraulic cylinder: The cylinder pushes the piston with gas, allowing the cylinder to move up and down,The hydraulic cylinder uses liquid (hydraulic oil) to push the piston, allowing the cylinder to move up and down,

Q: Hydraulic oil? Refrigerant? Brake night? What are they? What's the function of it?: Most of the use of hydraulic oil in the hydraulic cylinder, like excavators and forklifts, hydraulic cylinder like muscles, the engine compressor, the compressor of the hydraulic oil to the oil into the hydraulic cylinder lifting hydraulic cylinder through the refrigerant tubing, you say is the refrigerator refrigerant? Refrigerator is freon, can be recycled, if the leakage of fluoride, of course, will have to repair fluoride, brake night is what things do not know

Q: Kobelco 330 6e excavator hydraulic pump overhaul after the car is going to hold: The engine has to be overhauled with strict standards. The following are the important "indicators" for the engine to be overhauled. The signs are that the surface engines will be overhauled.1. cylinder pressure difference: cylinder compression pressure should be consistent with the original design requirements for tachometer, cylinder pressure gauge inspection does not meet the requirements for the unqualified cylinder pressure difference per cylinder pressure and cylinder average pressure difference less than 8% with tachometer, cylinder pressure gauge or engine analyzer to measure (does not meet the standards of the Elantra engine the cylinder pressure difference required for unqualified). When the engine cylinder pressure is lower than its Wyatt standard value will have a serious black smoke.2. idle fluctuation: engine idle running stability, the speed meets the original design requirements. The speed fluctuation is not more than 50r/min. The tachometer is used for running test or by engine comprehensive analyzer.

Q: what to use, there is no suitable cylinder, the company's gas supply is not enough, my device does not have much pressure.The pressure of the air pressure is enough, but the air source is insufficient, and the suitable cylinder can not be selected, so the hydraulic station is used to control the cylinder, but there is no such device, and the friend who knows it tells the thanks!: At the same speed, under the same thrust conditions, the hydraulic system is much more expensive than the pneumatic system. You can use the hydraulic station to control the cylinder. You might as well buy an air compressor alone.If you have a hydraulic station or a large central hydraulic source, you must use the hydraulic system, you can reduce the work pressure, down to 0.8 MPa, and then send the hydraulic oil to the cylinder, you can also work.

Q: What is it used for? What kind of factory is likely to be used in general?: Hydraulic equipment, cylinders, cylinders are used in the principle of hydraulic transmission power, in particular, low aerodynamic pressure, hydraulic high. At the same time, the environment

Q: What is the basic working principle of the cushion device in the hydraulic cylinder?: Because of the cylinder, cylinder pressure required is large, usually in the front end is provided with a cylinder buffer mechanism, such as buffer piston, as shown in the figure (if not insert picture ah).

Q: Know how to clamp the hydraulic cylinder clamping force, clamping cylinder stroke, how to determine the type of clamping cylinder?: in the travel and travel, already know, so is the calculation of cylinder diameter: first by the clamping force and resistance, all losses on the cylinder at work and increase the safety coefficient, calculate the maximum thrust cylinder F; and then determine the pressure to choose the value P, calculate the piston area of A=F/P cylinder, finally converted a bore.

Q: The main difference between hydraulic circuit and pneumatic circuit: The hydraulic pressure should be returned to the tank, and the pneumatic can be discharged directly into the atmosphere without any waste or pollution!!

Q: always have hydraulic oil leakage, please expert advice, with what seal can avoid, the best zero leakage.: 200 / min work frequency, high viscosity, slow flow, affect operation sensitivity.It is precisely the year that is too low to cause disclosure. Try to increase viscosity properly.This is a contradiction.

Q: Hydraulic principle: Hydraulic transmission is also called volume hydraulic transmission, is liquid as the medium, the transmission device to transmit energy and control the use of liquid pressure energy and kinetic energy. Usually the liquid medium using the hydraulic system with the remaining liquid pressure energy is called hydraulic oil.

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