hydraulic ram for excavator heavy duty machinery

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Product Description:

Specifications

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


BOOM,ARM,BUCKET CYLINDER
R55R60-5-7R130R200-5R210-5R220R225-7
R260LC-5R280R290R300R305-7R450-5R215-7
R210LC-3R335-7     
cylinder diamete r      (mm)
piston rod diameter (mm)max stroke (mm)
40202225500
50252832600
63323545800
804045552000
904550632000
1005055704000
1105563804000
1256370904000
14070801004000
15075851054000
16080901104000
180901001254000
2001001101404000
2201101251604000
2501251401804000        




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Q:What is the cold drawn cylinder of a hydraulic cylinder? How about his quality? Master, help! Thank you
What do you do with it, if it is hydraulic cylinder, then we usually use cold drawn seamless tube here
Q:What is the four link mechanism of hydraulic support?
Four link mechanism is an important part of hydraulic support, including: connecting rod, rear connecting rod, shield beam and base.1. The connecting rod group consists of the connecting rod body, the connecting rod big head cover, the connecting rod small head bushing, the connecting rod big head bearing bush and the connecting rod bolt (or screw). The connecting rod group bears the force acting on the piston pin and its swing and the reciprocating inertia force of the piston group, and the magnitude and direction of these forces are periodically changed. Therefore, the connecting rod is subjected to alternating load such as compression and tension.
Q:The 80 hydraulic cylinder is equivalent to the pressure of the larger cylinder
when the hydraulic system pressure is 100kg/cm2 80mm oil output is 5 tons, the pressure when the system pressure is 5kg/cm2 then the cylinder bore 360mm can output 5 tons
Q:How is the hydraulic jack refitted into a high pressure inflator?
6. pull out piston rod, such as pulling out, put out the base with pointed nose pliers rectangular rubber ring valve hole, pour 8# ball, with a long stretch in the end mouth gun oil discharge valve seat hole inside the air, need to control the volume, the piston rod will pop up, aim at the wall, avoid injuries caused by pop-up.7. remove the nylon seal of the hydraulic jack piston and then put the piston rod back into the cylinder. Use the tubing to clamp the cylinder against the counter clockwise. Thus, when the pipe clamp is pulled on, the deformation of the oil cylinder can be avoided and the clamping flat can be avoided.8., with self tapping screws into the steel ball block, with pliers pull out the block, take out 6# steel ball.9. all parts of the hydraulic jack are cleaned with diesel oil and dried with an air gun. The holes in the base are blown with an air gun, and the inside of the cylinder is observed with a flashlight. Is the inner part of the pump smooth?. Replace it if it is not smooth or damaged. Observe whether the three steel balls are round and smooth
Q:Can the cylinder be used as an internal combustion cylinder? 5
May not! The structure is about the same, but there are many differences, such as: internal combustion cylinder rings, and cylinder Oring.
Q:What is the bad effect of the engine oil pressure on the engine when the oil pressure is too high or too low?
Engine oil pressure is too high or too low, the hydraulic valve configuration is the opportunity to start the engine underpowered or too much power, damage to engine life. 1, the engine is a kind of machine that can convert other forms into mechanical energy, such as internal combustion engine (gasoline engine, etc.), external combustion engine (Stryn engine, steam engine, etc.), motor, etc.. Internal combustion engines, for example, usually convert chemical energy into mechanical energy.
Q:300 tons hydraulic cylinder working pressure 28 MPa,
The difference is that the pendulum shear is the return cylinder of the nitrogen return cylinder!
Q:What is the difference between the cylinder seal and the cylinder seal?
The medium of bees is different. One is gas sealed, and the other is liquid sealed.
Q:When the 4G18 is started, the original position of the ventilation door is not put in place.
I. valve clearance: when the valve is completely closed, the gap between the end of the valve stem and the component of the valve train is called the valve clearance. Two, the valve clearance is necessary: when the engine works, the valve will be due to temperature expansion, if the valve and its transmission parts, in the cold when no gap or clearance is too small, in the hot state, and the transmission of the thermal expansion valve will cause the valve is not tightly closed, causing the engine leakage in the power stroke in compression and the power down, don't even start easily when serious. In order to eliminate this phenomenon, the valve clearance is usually used in the cold assembly of the engine to compensate for the expansion after the valve is heated. Some engines use hydraulic tappet, the length of tappet can change automatically, and the thermal expansion of the valve is compensated at any time, so there is no need to reserve the valve clearance. Three, the valve clearance is too large and too small damage, the size of the valve clearance by the engine manufacturer, according to the test to determine. Generally in cold state, the clearance of intake valve is 0.25mm~0.35mm, and the clearance of exhaust valve is 0.30mm~0.35mm. 1, too small: if the valve clearance is too small, the engine in hot state may be due to valve closed lax and leak, leading to power down, or even valve burned.
Q:The pressure system is about 200bar.
This change has to be premise, there are many functions can not be replaced. Hydraulic is characterized by "incompressible" and can be "precise control."". The compressibility of the air is unstable, and the end of the movement is the full stroke of the cylinder, while the hydraulic pressure is random. This is in "accurate, safe" on the big difference, depending on your working conditions are there such requirements?

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