Flat bottomed oil cylinder

How to adjust and control the stroke of a flat bottomed oil cylinder, how long can it be replaced, and which brand of flat bottomed oil cylinder is good? Our factory is a professional manufacturer of flat bottomed oil cylinders, and also customizes snow shovel oil cylinders, differential hydraulic cylinders, machine tool hydraulic cylinders, tractor bucket oil cylinders, and edge removal machine hydraulic cylinders. For users' frequently asked questions, our factory will provide answers in this information.

Article Introduction:

• Basic Introduction
• Terminology Comparison
• Manufacturer Introduction
• reference price
• Maintenance and related issues

Basic Introduction to Flat Bottom Oil Cylinder

Flat bottomed oil cylinder: The oil cylinder should be used correctly and maintained regularly. Before using the oil cylinder, it is necessary to deflate it, adjust the buffer regulating valve to a reasonable position, regularly check the cleanliness of the oil, clean the dust on the oil cylinder regularly, and pay attention to waterproofing and fire prevention. The interaction between the piston rod and the guide sleeve of the oil cylinder is crucial: the relative motion between the piston rod and the guide sleeve is the main factor causing external leakage. If the chrome plating layer on the surface of the piston rod peels off or produces longitudinal pull marks due to wear, it will directly lead to the failure of the seal. If the oil cylinder slips or crawls, please check whether there is any sticking inside the hydraulic cylinder, because improper assembly, deformation, wear or out of tolerance of the internal parts of the hydraulic cylinder, excessive movement resistance, cause the piston speed of the hydraulic cylinder to change with different stroke positions, resulting in slip or crawling. Most of the reasons are due to poor assembly quality of the parts, surface scratches or iron filings generated by sintering, which increase resistance and decrease speed. For example, the piston and piston rod are not concentric or the piston rod is bent, the hydraulic cylinder or piston rod is offset from the guide rail installation position, and the sealing ring is installed too tightly or too loosely. The solution is to repair or adjust again, replace damaged parts, and remove iron filings. The hydraulic cylinder requires a system filtration accuracy of not less than 80um, strict control of oil contamination, maintenance of oil cleanliness, regular inspection of oil performance, and necessary fine filtration and replacement of new working oil. Analysis of commonly used seals for oil cylinders: The materials of wear-resistant rings and slip rings commonly used on oil cylinders are generally polytetrafluoroethylene+graphite. Pure polytetrafluoroethylene is prone to plastic creep and is only suitable for low-pressure and low wear resistant working conditions. If the sealing ring used is a composite material formed by adding graphite filler, its performance can be effectively improved, the ability to resist plastic creep can be increased by 2-3 times, the initial deformation caused by load can be reduced by 30-60%, the rigidity can be increased by 2-3 times, the thermal dimensional stability can be increased by 2 times, and the hardness can be increased by 10-15%.

Comparison of terminology for flat bottomed oil cylinders

Comparison of terms related to flat bottomed oil cylinders in Chinese and English

• Wafer Check Valves for Clamp Check Valves
• Pressure gauge
• Operating conditions
• Hysterics hysteresis loop
• Valve element
• Tiny Drag Slow Shut Check Valves
• Elastic seal
• Fluid power transmission

Introduction to flat bottomed oil cylinder manufacturers

Our factory specializes in designing flat bottomed hydraulic cylinders and also sells mechanical self-locking hydraulic cylinders, excavator hydraulic cylinders, bucket hydraulic cylinders, extended hydraulic cylinders, and reciprocating hydraulic cylinders. After years of hard work, our factory has established reliable cooperative relationships with customers such as children's car factories, paint factories, stamp making machine factories, nitrogen factories, calcium dioxide factories, asbestos and asbestos products factories.

Flat bottomed oil cylinder reference price

The price of flat bottomed oil cylinders is determined by factors such as operating speed, synchronization requirements, usage environment, and technical requirements. The selling price varies depending on the stroke range, and common brands of flat bottomed oil cylinders cost between 1000/yuan and 15000/yuan.

Maintenance and related issues of flat bottomed oil cylinder

• How to eliminate hydraulic cylinder air,
  Connect the hydraulic cylinder to the system and perform a few full stroke reciprocating motions to eliminate it completely. Another clumsy method is as follows: first remove the rod chamber oil pipe, connect the rodless chamber oil circuit to extend all hydraulic cylinders, then remove the rodless chamber oil pipe, connect the rod chamber oil pipe and retract all hydraulic cylinders, and then connect the rodless chamber oil pipe, so that there is no air in the hydraulic cylinder.
• How to choose the propulsion hydraulic cylinder based on factors such as shield posture, hydraulic cylinder stroke, shield tail clearance, etc?
  Generally, shield tunneling machines are equipped with corresponding hydraulic cylinders. Both earth pressure balancing machine and mud water balancing machine have corresponding hydraulic cylinders, so there will be no situation of insufficient hydraulic cylinder force. There are still certain requirements for the pushing force of the hydraulic cylinder during the jacking process.
• Why is the boom oil cylinder of a large excavator reversed?
  Because the hydraulic pressure limiting braking of most excavation machines is controlled by the system's own pressure. That is to say, if the pressure does not reach a certain MPa, the pressure relief will not stop. Once a certain pressure is reached, the oil cylinder can automatically complete the return stroke by relying on its own load weight. And this structure of the excavator can prevent dust or other debris from squeezing into the gap between the oil cylinder piston
• What is the problem of hydraulic cylinder stroke not being in place?
  1. Mechanical reasons: bent piston rod; If there is a synchronous hydraulic cylinder, the stroke of the two hydraulic cylinders may be different. 2. Hydraulic reasons: excessive system back pressure; The load on the execution components increases while the system pressure decreases. There is no electrical signal, the reversing valve is not reset or stuck, the oil is too dirty, there is air in the system, and external inertial loads are too large, all of which can cause problems