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Hydraulic cylinders are essential components of mobile machinery, and repair or replacement is a common maintenance task. When it comes to hydraulic cylinder repairs, it pays to know the basics. In this guide, we’ll explain the history, classification, and advantages of hydraulic cylinders, as well as provide step-by-step instructions on how to repair them.
History and Classification of Hydraulic Cylinders
Hydraulic cylinders have been used in a variety of industries since their invention in the 19th century. They are mainly used to provide force to move objects through the application of pressurized fluid. Generally, hydraulic cylinders are classified according to their structure, working principle, and use. Common types of hydraulic cylinders include single-acting, double-acting, and telescopic cylinders.
Single-acting cylinders use only one port, and the piston is pushed out by the hydraulic pressure. Double-acting cylinders use two ports, one for pushing and one for pulling. Telescopic cylinders have multiple nested pistons, which enables them to extend further than a single-acting or double-acting cylinder.
Advantages of Hydraulic Cylinders
Hydraulic cylinders offer several advantages when compared to other actuators. For example, they can generate a large amount of force in a small package, require less space than other actuators, and are easy to control with low-pressure hydraulic systems. They are also relatively inexpensive and require little maintenance.
How to Repair a Hydraulic Cylinder
Repairing a hydraulic cylinder is a relatively simple process and can be done with the right tools and parts. Here are the steps:
Step 1: Inspect the Cylinder
Start by inspecting the cylinder for any signs of damage or wear, such as dents, cracks, or corrosion. If any of these are present, it is best to replace the cylinder before attempting to repair it.
Step 2: Remove the Cylinder
Once the cylinder has been inspected, you can then remove it from its mounting. Make sure to note the orientation of the cylinder so that it can be re-installed in the same position.
Step 3: Replace the Parts
Next, you will need to replace any worn or damaged parts, such as seals, O-rings, or the rod. Make sure to use the correct parts for the model of cylinder that you are repairing.
Step 4: Reassemble the Cylinder
Once all the parts have been replaced, you can then reassemble the cylinder. Make sure to follow the manufacturer’s instructions for proper installation.
Step 5: Test the Cylinder
Finally, you can test the cylinder to make sure it is working properly. If the cylinder is not functioning correctly, then you may need to make further adjustments. If all goes well, you can then re-install the cylinder in its original position.
How to Choose the Right Hydraulic Oil and Oil Seal?
When it comes to choosing the right hydraulic oil and oil seal for your repairs, it is important to do your research. Different types of hydraulic oil and oil seals have different properties, so you will need to choose the ones that are best suited for your application. It is also important to make sure that the oil and oil seal are compatible with the type of hydraulic cylinder that you are repairing.
What Needs to Be Replaced and How to Replace It?
Depending on the type of cylinder and the extent of the damage, you may need to replace the entire cylinder or just certain parts. If you are only replacing certain parts, then you will need to make sure that the replacement parts are compatible with the cylinder. These parts can include seals, O-rings, rods, and other components. Once you have determined what needs to be replaced, you can then follow the manufacturer’s instructions for how to properly replace the parts.
How to Choose a Suitable Power Unit?
When it comes to choosing a suitable power unit for your repairs, it is important to consider the type of hydraulic cylinder that you are working with. Different types of cylinders require different power units, so you will need to make sure that the power unit is compatible with the type of cylinder that you are repairing. It is also important to make sure that the power unit is powerful enough to handle the load it is intended to support.
Introducing EVER-POWER Hydraulic Cylinders
EVER-POWER is a leading position in the market segment of hydraulic cylinders for mobile machinery in China. Our products mainly include hydraulic tilt cylinders, hydraulic steering cylinders, and hydraulic lift cylinders. Our design capacity is 200,000 sets, and we have various types of fully automatic CNC production 300 sets of equipment, and automatic hydraulic cylinder assembly equipment. We also supply many products, such as aerial work platform cylinders, industrial vehicle hydraulic cylinders, rotary drilling cylinders, mobile crane cylinders, construction machinery hydraulic cylinders, forklift hydraulic cylinders, mining dump truck cylinders, and sanitation machinery hydraulic cylinders, and we welcome customers to customize with drawings or samples.
At EVER-POWER, we are committed to providing our customers with high-quality products, competitive prices, and considerate services. Our products have been tested and certified by authoritative institutions and are widely used in construction, mining, agricultural, and other industries. We are confident that our products will help you complete your projects efficiently and effectively.