ATOS hydraulic cylinder CK-32/22*0150-N001 in stock

Brand

ATOS/Italian Atos

Application Areas

Environmental Protection, Chemical Industry, Petroleum, Mining, Comprehensive

ATOS Plunger Pumps, ATOS Gear Pumps, ATOS Axial Plunger Pumps, ATOS Vane Pumps, ATOS Hydraulic Cylinders, ATOS Relief Valves, ATOS Proportional Valves.

ATOS hydraulic cylinders are mainly used in applications requiring long-term support of heavy objects. They can continue to support heavy objects even after oil pressure is removed, ensuring safety and reliability. They can be used underwater, are single-acting, have load retraction, and feature a self-locking nut for added safety. Especially in large-scale projects, they are easy-to-operate and self-locking jacks, designed with a safety pressure-holding device and a built-in pressure relief valve to prevent overload and protect the self-locking jack for safe operation. The connection uses high-pressure hoses and threaded connectors, offering quick use and overcoming the leakage problems of traditional quick-connect fittings. They are mainly used in equipment installation, lifting, and dismantling operations in various industries such as power, construction, machinery manufacturing, mining, railway bridges, and shipbuilding.

The working principle of an ATOS hydraulic cylinder;

The working principle of an ATOS hydraulic cylinder mainly involves five components. Let's start with its five most basic components: 1- Cylinder barrel and cylinder head, 2- Piston and piston rod, 3- Sealing device, 4- Buffer device, 5- Exhaust device.

The working principle of each type of cylinder is almost similar. Take a manual jack as an example; a jack is essentially a simple hydraulic cylinder. By manually pressurizing the lever (hydraulic manual pump), hydraulic oil is forced into the cylinder through a one-way valve. Because of the one-way valve, the hydraulic oil cannot flow back, forcing the cylinder rod upwards. During operation, hydraulic oil continues to flow into the cylinder, continuously rising. When it's time to lower, the hydraulic valve opens, allowing the hydraulic oil to return to the tank. This is the basic working principle; other cylinders are improvements on this basis. The principle of a pneumatic cylinder is essentially the same as that of a hydraulic cylinder. [1]

Machining Fold Edit this section

Trundle processing

Trundle processing is a non-cutting process that utilizes the plastic deformation of metal at room temperature to smooth out the micro-irregularities on the surface of the workpiece, thereby changing the surface structure, mechanical properties, shape, and size. Therefore, this method can simultaneously achieve both finishing and strengthening, which grinding cannot do.

Regardless of the processing method used, fine, uneven tool marks will always remain on the surface of the part, resulting in alternating peaks and valleys.

Trundle processing principle: It is a pressure finishing process that utilizes the cold plasticity of metal at room temperature. A certain pressure is applied to the workpiece surface using a rolling tool, causing the surface metal to plastically flow and fill the original residual low-recessed valleys, thus reducing the surface roughness of the workpiece. Due to the plastic deformation of the surface metal during rolling, the surface structure undergoes cold hardening and grain refinement, forming a dense fibrous structure and a residual stress layer. This increases hardness and strength, thereby improving the wear resistance, corrosion resistance, and fit of the workpiece surface. Rolling is a non-cutting plastic machining method.

Non-cutting machining technology is safe, convenient, and allows for precise control of accuracy. It offers several advantages:

1. Improved surface roughness, achieving Ra≤0.08µm.

2. Corrected roundness, with ellipticity ≤0.01mm.

3. Increased surface hardness, eliminating stress-induced deformation and increasing hardness by HV≥4°.

4. The residual stress layer after machining increases fatigue strength by 30%.

5. Improved fit quality, reduced wear, and extended part lifespan, while simultaneously reducing machining costs.

ATOS cylinders are crucial components in engineering machinery. Traditional machining methods include: broaching the cylinder body – precision boring the cylinder body – grinding the cylinder body. The roller burnishing method involves three steps: broaching the cylinder body, precision boring the cylinder body, and roller burnishing the cylinder body. However, in terms of time, grinding a 1-meter cylinder body takes approximately 1-2 days, while roller burnishing a 1-meter cylinder body takes approximately 10-30 minutes. The investment is also significant: grinding machines or honing machines cost tens of thousands to millions of dollars, while roller burnishing tools cost thousands to tens of thousands of dollars. After roller burnishing, the surface roughness of the hole decreases from Ra3.2-6.3µm before burnishing to Ra0.4-0.8µm, the surface hardness of the hole increases by approximately 30%, and the fatigue strength of the cylinder's inner surface increases by 25%. If only the cylinder body is considered, the cylinder's service life increases by 2-3 times, and the boring and roller burnishing process is about 3 times more efficient than grinding. These data demonstrate that the roller burnishing process is highly efficient and can significantly improve the surface quality of the cylinder body.

ATOS Hydraulic Cylinder Disassembly Procedure:

First, to prevent bending or deformation of slender parts such as the piston rod, use wooden supports for even distribution during placement. First, during disassembly, care should be taken to prevent damage to the piston rod tip threads, oil port threads, piston rod surface, and cylinder liner inner wall.

Second, disassembly should be performed in sequence. Since the structures and sizes of various hydraulic cylinders differ, the disassembly sequence may vary slightly. Generally, the oil in both chambers of the cylinder should be drained, then the cylinder head should be removed, and finally the piston and piston rod should be disassembled. When removing the cylinder head, special tools should be used for internal key-type connections (keys or rings); flat chisels are prohibited. For flange-type end caps, they must be pushed out with screws; hammering or prying is not allowed. If the piston and piston rod are difficult to remove, do not force them out; first determine the cause before proceeding with disassembly.

Third, before and after disassembly, efforts should be made to prevent the hydraulic cylinder parts from being contaminated by surrounding dust and impurities. For example, disassembly should be performed in a clean environment whenever possible; after disassembly, all parts should be covered with plastic sheeting, not cotton cloth or other work cloths.

Fourth, after disassembly, the cylinder should be carefully inspected to determine which parts can continue to be used, which parts can be repaired and reused, and which parts must be replaced.

Fifth, all parts must be thoroughly cleaned before assembly.

However, it is important to ensure the correct installation of all sealing devices. For example, when installing O-rings, do not stretch them to the point of deformation, and do not roll them in while installing; otherwise, they may become twisted and leak oil. All disassembled O-rings and dust rings should be replaced with new ones. Similarly, when installing Y-rings and V-rings, pay attention to their installation direction to avoid leaks due to incorrect installation. For Y-rings, the lip should face the pressurized oil cavity; furthermore, for YX-rings, distinguish between shaft and bore applications to avoid incorrect installation. V-rings consist of support rings, sealing rings, and pressure rings of different shapes. When the pressure ring presses against the sealing ring, the support ring causes the sealing ring to deform and achieve a sealing effect. During installation, the opening of the sealing ring should face the pressurized oil cavity; when adjusting the pressure ring, it should be tightened only to prevent leaks, avoiding excessive sealing resistance.

Sixth, a special wrench should be used to tighten threaded connections, and the torque should meet the standard requirements.

Seventh, after assembling the piston and piston rod, their coaxiality and straightness along their entire length must be measured to ensure they do not exceed tolerances.

Eighth, after assembly, the piston assembly should move without any obstruction or uneven resistance.

Ninth, when installing the hydraulic cylinder onto the main unit, sealing rings must be added and tightened between the inlet and outlet ports to prevent leakage.

ATOS Hydraulic Cylinder Technical Parameters:

1. Cylinder Diameter: Cylinder bore, inner diameter.

2. Inlet/Outlet Diameter and Thread Parameters.

3. Piston Rod Diameter.

4. Cylinder Pressure: Working pressure of the cylinder. Calculations often use the test pressure; below 16MPa, multiply by 1.5; above 16MPa, multiply by 1.25.

5. Cylinder Stroke.

6. Buffering: Determined by working conditions; buffering is generally required if the piston rod extension and retraction has a large impact.

7. Cylinder Installation Method.

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The company mainly deals in European and American brands. We can source brands from any European country, including leading German brands such as: BURKERT, DEMAG, HAWE, REXROTH, HYDAC, PILZ relays, FESTO, IFM sensors, E+H, HEIDENHAIN, P+F sensors, SICK, TURCK, and HIRSCHMANN industrial switches. German brands: Hengstler, Murr, Schmersal, Samson, EPRO (Emerson's subsidiary), MOOG (USA), ASCO (USA), MAC (USA), NUMATICS (USA), PARKER (USA), VICKERS (USA), ROSS (USA), Norgren (UK), OMAL (Italy), ATOS (Italy), CAMOZZI (Italy), UNIVER (Italy), and Camozzi (Italy).