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hydraulic jack Iran

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Hydraulic jack

Hydraulic cylinders are constructed from seamless carbon steel tubes with 350 MPa yield strength. Piston rod diameters range from 20 to 300 mm, hard chrome plated to 25 microns. Cylinder wall thickness varies from 10 to 40 mm, designed for working pressures up to 250 bar. Their mechanical efficiency typically exceeds 95% under rated conditions. Standard stroke lengths from 100 mm to 3 meters offer positioning accuracy of ±0.5 mm. The sealing system includes three polyurethane rings and one anti-wear steel wiper. Rod speed under rated load is adjustable between 5 to 200 millimeters per second.

The cylinder structure features self-lubricating bronze bearings with a 0.02 friction coefficient on the rod gland. External linear guides achieve axial movement precision of 0.1 mm per meter. Hydraulic ports conform to ISO 6149 with over 2 million cycle fatigue resistance. Cylinders integrate magnetostrictive position sensors with 0.001 mm resolution. The cylinder bore is diamond honed to a 0.1 micron surface roughness. Hydrostatic pressure testing at 1.5 times working pressure is conducted for 5 minutes. The piston rods anti-fatigue design enables over 10 million full cycle operations.


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hydraulic jack

A hydraulic jack is a mechanical device that uses pressurized fluid to create linear motion or lift heavy objects. These jacks typically consist of a cylinder, piston, shaft, and a piping system, with a working pressure usually ranging from 100 to 700 bar. Hydraulic jacks are designed in various sizes and capacities, capable of lifting loads ranging from 1 ton to over 1000 tons. The oil flow capacity typically ranges from 1 to 10 liters per minute, and leak-proof systems are used to prevent pressure loss. These jacks are designed to operate in temperatures between -20 to 80 degrees Celsius.

The structure of a hydraulic jack typically utilizes corrosion-resistant materials such as stainless steel or aluminum. The operation of the jack is such that by applying pressure to the hydraulic oil inside the cylinder, the piston moves forward, providing the required force to lift or move objects. These jacks are used in various industries, including automotive, construction, and heavy machinery, and are suitable for heavy-duty and industrial applications due to their high precision, powerful performance, and ability to operate under harsh conditions.