ATOS hydraulic cylinder CK-32/14*0140-D901 in stock

Brand

ATOS/Italian Atos

Application Areas

Medical & Health, Environmental Protection, Food/Agricultural Products, Chemical Industry, Petroleum

ATOS cylinders, also known as hydraulic cylinders, are linear motion actuators whose output force is proportional to the effective area of ​​the piston and the pressure difference across it. Their function is to convert hydraulic energy into mechanical energy. The input to a hydraulic cylinder is the flow rate and pressure of the fluid, and the output is linear motion speed and force. The piston of a hydraulic cylinder can perform linear reciprocating motion, but the output linear displacement is finite. A hydraulic cylinder is an energy conversion device that converts hydraulic energy into reciprocating linear motion mechanical energy. A hydraulic cylinder basically consists of a cylinder barrel and cylinder head, a piston and piston rod, sealing devices, cushioning devices, and venting devices. The cushioning and venting devices depend on the specific application, while the other devices are optional.

ATOS cylinders are mainly used in applications requiring long-term support of heavy objects. They can continue to support heavy objects even after the hydraulic pressure is removed, and are safe and reliable. This single-acting, load-retracting jack is suitable for underwater use. Its self-locking nut ensures load safety, making it particularly suitable for large-scale projects. It is an easy-to-operate and self-locking jack with a safety pressure-holding device and a built-in pressure relief valve to prevent overload and protect the jack for safe operation. The connection uses a high-pressure hose and threaded connector, offering quick use and overcoming the leakage problems of traditional quick-connect fittings. It is mainly used for equipment installation, lifting, and dismantling operations in various industries such as power, construction, machinery manufacturing, mining, railway bridges, and shipbuilding.

ATOS Cylinder Machining: As a key component of hydraulic cylinders, mining single-support pillars, hydraulic supports, and blasting barrels, the quality of the cylinder's machining directly affects the lifespan and reliability of the entire product. Cylinder machining requires high precision; the inner surface roughness must be Ra0.4～0.8µm, and strict requirements must be placed on coaxiality and wear resistance. A fundamental characteristic of cylinder machining is deep hole machining, which has always been a challenge for machinists. Roller burnishing, by leaving residual compressive stress on the surface layer, helps to close micro-cracks and hinders the propagation of corrosion. This improves surface corrosion resistance and delays the initiation or propagation of fatigue cracks, thus increasing cylinder fatigue strength. Through roller burnishing, a work-hardened layer is formed on the surface, reducing elastic and plastic deformation of the grinding surfaces, thereby improving the wear resistance of the cylinder inner wall and preventing burns caused by grinding. The reduced surface roughness after roller burnishing improves fit.

Before disassembling the ATOS hydraulic cylinder, preparations should be made. First, the hydraulic circuit should be depressurized; otherwise, when the oil pipe joints connected to the cylinder are loosened, high-pressure oil in the circuit will spray out rapidly. To depressurize the hydraulic circuit, first loosen the handwheel or pressure adjusting screw at the relief valve, etc., to unload the pressurized oil, then disconnect the power supply or power source to stop the hydraulic system.

Next, begin disassembling the hydraulic cylinder.

First, to prevent bending or deformation of slender parts such as the piston rod, use wooden blocks for even support when placing it. 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 the piston and piston rod are assembled, 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 sense of obstruction or uneven resistance.

Ninth, when installing the hydraulic cylinder onto the main unit, a sealing ring must be added between the inlet and outlet oil connectors and tightened securely to prevent leakage.

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The company mainly deals with European and American brands and can source brands from any European country. For example, our key German brands include: 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 Group)

American brands: MOOG, ASCO, MAC, NUMATICS, PARKER, VICKERS, ROSS

British brands: Norgren

Italian brands: OMAL, ATOS, CAMOZZI, UNIVER, Camozzi