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stacker cylinder Sold to Singapore

Release time:2023-11-20 09:49:17 Hits: Current position: Home > News

This article mainly introduces:

Singapore hydraulic cylinder,stacker cylinder manufacturer,stacker cylinder

Singapore stacker cylinder

(Singapore stacker cylinder,produced by Hengyu Group)

stacker cylinder are widely used in Singapore,because of simple structure and reliable operation,excellent temperature resistance,no transmission clearance.So our company has designed stacker cylinder for customers from Singapore.

Introduction to stacker cylinder:

stacker cylinder hydraulic oil selection: The recommended working oil viscosity of the stacker cylinder is 10 ~ 110cSt (1.8 ~ 15E), ISO VG46 hydraulic oil. The normal working oil temperature is 10 ~ 70℃, and the ambient temperature is in the range of -20 ~ 80℃. When the ambient temperature and service temperature are low, the hydraulic oil with lower viscosity can be selected.

What kind of process is used in the stacker cylinder to make high-quality stacker cylinder products: the body is the main component of the stacker cylinder, mining single pillar, hydraulic support, gun tube and other products, and its processing quality directly affects the life and reliability of the entire product. Body processing requirements are high, the internal surface roughness requirements are Ra0.4 ~ 0.8&um, the coaxiality, wear resistance requirements are strict. The basic feature of body is deep hole processing, which has always troubled the processing personnel. The stacker cylinder products of our company mainly use rolling processing, because the surface layer has surface residual compressive stress, which helps to close the surface micro-cracks and hinder the expansion of erosion. Thus, the corrosion resistance of the surface can be improved, and the fatigue crack can be delayed or expanded, and the fatigue strength of the body can be improved. The correct rolling process of the stacker cylinder block: broaching block - fine boring block - grinding block. The rolling method is: broaching block - fine boring block - rolling block, the process is 3 parts, but the time is compared: grinding 1 meter of the block is about 1-2 days, rolling 1 meter of the block is about 10-30 minutes. Input comparison: grinding machine or quilting machine (tens of thousands - millions), rolling knife (ten thousand - tens of thousands). After rolling, the surface roughness of the hole decreases from RA3.2-6.3um before rolling to RA0.4-0.8&um, the surface hardness of the hole increases by about 30%, and the fatigue strength of the inner surface of the stacker cylinder increases by 25%. If the service life of the stacker cylinder is only considered, it is increased by 2 to 3 times, and the efficiency of the boring and rolling process is about 3 times higher than that of the grinding process. stacker cylinder misoperation or operation failure may be caused by the following reasons, you can start from these aspects of the investigation: (1) spool stuck or valve hole blocked. When the spool of the flow valve or direction valve is stuck or the valve hole is blocked, the stacker cylinder is prone to misoperation or operation failure. At this time, the contamination of the oil should be checked; Check whether dirt or colloidal deposits are stuck in the spool or blocking the valve hole; Check the wear of the valve body, clean and replace the system filter, clean the fuel tank, and replace the hydraulic medium. (2) The piston rod and stacker cylinder are stuck or the stacker cylinder is blocked. At this time, no matter how to manipulate, the stacker cylinder does not move or moves very little. At this time, check whether the piston and piston rod seal is too tight, whether it enters the dirt and gum deposits: whether the shaft line of the piston rod and the stacker cylinder is in the center, whether the wearing parts and seals are invalid, and whether the load is too large.

How to repair the stacker cylinder body when it is damaged: When the stacker cylinder has trace deformation and shallow tensile marks, the stacker cylinder is repaired by strong honing process. The heavy honing process can repair stacker cylinders up to 2.5 times out of tolerance than the original tolerance. It honed the parts with excessive size or shape error through a powerful honing machine, so that the overall size, shape tolerance and roughness of the stacker cylinder can meet the technical requirements.

Factors that should be considered when selecting the oil seal in the stacker cylinder: some specific factors should be taken into account when selecting the oil seal in the stacker cylinder, so as to have correct consideration and get accurate results, and then avoid wrong selection. The factors and aspects that should be taken into account are eight: stacker cylinder diameter, piston rod diameter, piston rod and piston groove size, stacker cylinder working pressure, stacker cylinder movement speed, hydraulic system oil temperature and stacker cylinder working environment.

Answers to some questions about stacker cylinder:

How to disassemble the big nut that excavate the oil cylinder piston of the excavator?
If you want to be safe, look for a special unloading place for this thing, which is an oil cylinder on top of a turntable with a large nut attached to the center of the turntable. If you're in the field just pin the head of the cylinder to one end, use a big homemade wrench to hold the nut in place, and then get a digging machine and push it down, and it opens.

Why is a light cylinder less productive than a heavy cylinder at the same oil pressure?
f=ps Under the same pressure, the larger the area, the greater the output, but the maximum pressure can not exceed the system engineering pressure of the cylinder!

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