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steering cylinder Sold to New Zealand

Release time:2023-11-19 14:06:24 Hits: Current position: Home > News

This article mainly introduces:

New Zealand hydraulic cylinder,steering cylinder manufacturer,steering cylinder

New Zealand steering cylinder

(New Zealand steering cylinder,produced by Hengyu Hydraulic Cylinder Factory)

steering cylinder are widely used in New Zealand,because of excellent fatigue and impact resistance,no need for deceleration device,long service life.So our company has designed steering cylinder for customers from New Zealand.

Introduction to steering cylinder:

Causes and countermeasures of oil steering cylinder leakage: Cast iron ring seal allows a certain degree of internal leakage. The impurities in the steering cylinder will lead to premature wear of the piston seal, replace the piston seal; If the steering cylinder is visibly scarred, the steering cylinder must be replaced. It can be pressurized at one end of the steering cylinder and opened at the other end of the oil port to observe whether there is obvious internal leakage at the end of the oil port. Most steering cylinder piston drift may not come from the steering cylinder, the above method to determine the steering cylinder without internal leakage is helpful to determine the problem of the hydraulic system related components.

Factors that should be considered when selecting the oil seal in the steering cylinder: some specific factors should be taken into account when selecting the oil seal in the steering 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: steering cylinder diameter, piston rod diameter, piston rod and piston groove size, steering cylinder working pressure, steering cylinder movement speed, hydraulic system oil temperature and steering cylinder working environment.

steering cylinder is the most important part of construction machinery, the traditional processing method is: broaching steering cylinder block - fine boring steering cylinder block - grinding steering cylinder block. The rolling method is: broaching steering cylinder block - fine boring steering cylinder block - rolling steering cylinder block, the process is 3 parts, but the time is compared: grinding 1 meter of the steering cylinder block is about 1-2 days, rolling 1 meter of the steering cylinder 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 RA3.2-6.3 μm before rolling to Ra0.4 ~ 0.8μm, the surface hardness of the hole increases by about 30%, and the fatigue strength of the inner surface of the steering cylinder increases by 25%. If the steering cylinder life is only considered, it is increased by 2 to 3 times, and the boring and rolling process is 3 times more efficient than the grinding process In particular, if you want to make high-quality steering cylinders, you must take the rolling production process. After the steering cylinder is rolled, there is no sharp tiny edge on the surface, and long-term motion friction will not damage the seal ring or seal, which is particularly important in the hydraulic industry.

If the piston rod and steering cylinder are stuck or the steering cylinder is blocked, at this time, no matter how to operate, the steering cylinder does not move or has little action. 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 steering cylinder is in the center, whether the wearing parts and seals are invalid, and whether the load is too large.

Answers to some questions about steering cylinder:

What are the differences between hydraulic cylinder and pneumatic cylinder, what are their advantages and disadvantages?
Hydraulic Cylinder: small body and large force, constant speed and variable speed (easy to change), the adjustment of output is also convenient, and the degree of freedom of transmission is high. However, maintenance costs and installation costs are high, and there is the trouble of mild oil pollution. Pneumatic Cylinder: easy to control, low price, easy access to energy. But the force is small, and can not achieve the effect of stable speed. The gas-liquid pressurized cylinder has the advantages of both of the above: environmental protection and energy saving, easy control, and simple adjustment. However, the output of the trip has certain restrictions, so it is more suitable for short trips, large output, but also environmental protection and energy saving and low configuration of the occasion. Because the pressure used in the pneumatic system is generally in the range of 0.2-1.0Mpa, the cylinder is not suitable for high power component.

What components can control cylinder rising and falling speed and the speed is adjustable?
A throttle or special solenoid valve is required. The reversing valve can choose the three-position reversing valve with P-type middle function. When rising, the reversing valve can be changed to the middle position to achieve differential connection and the fastest speed. Add a combination valve one-way throttle valve in the oil return circuit, connection mode: when the cylinder rises, the oil flows back to the tank through the check valve, the throttle valve is reversed off, when the cylinder falls, the reversing valve is changed to the left or right position (see the structure of the valve), the check valve is reversed off, the oil returns to the tank through the throttle valve, and the speed can be adjusted through the throttle valve.

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