Hydraulic Cylinder 370x190

General Description

A hydraulic cylinder with a 190 mm bore and 370 mm stroke is a component used to convert fluid energy into linear motion. This type of cylinder is often used in applications requiring great force, such as industrial machinery, material handling equipment, and construction equipment.

Building Materials

• Cylinder : Generally made of carbon steel or high-strength alloy steel. The cylinder body is usually a seamless tube, heat-treated to withstand high pressures.
• Piston : Hardened and chrome-plated steel to resist wear and ensure long life.
• Stem : Chrome steel or stainless steel with surface treatments to reduce friction and protect against corrosion.
• Seals : In Viton, NBR or polyurethane, to ensure sealing and prevent oil leaks.

Dimensions and Measurements

• Bore : 190 mm
• Stroke : 370 mm
• Stem diameter : Typically smaller than the bore, dependent on the specific application (e.g. 90-100 mm).
• Maximum working pressure : Normally between 160 and 250 bar, but may vary depending on the project.

Mechanical Features

• Pushing force : Depends on the fluid pressure applied to the piston area. The formula for calculating the force is:

  $$F$$

  Where:

  • FF $F$ = Force in Newtons (N)
  • PP $P$ = Pressure in Pascals (Pa)
  • AA $A$ = Piston area, calculated as π×r2\pi \times r^2 $\pi$ $\times$ $r$ 2

  In the case of our 190mm bore :

  $$,$$

  If the working pressure is 200 bar ( 200×105 Pa200 \times 10^5 \, Pa $200$ $\times$ $1$ $0$ 5 $Pa$ $a$ ):

  $$F$$

• Retraction force : Smaller than the push force, since the area on which the pressure acts is reduced by the surface of the stem.

Use in Industrial Sectors

1. Construction machinery : Excavators, cranes, bulldozers.
2. Manufacturing industry : Hydraulic presses, automated assembly lines.
3. Agricultural sector : Tractor and harvester equipment.
4. Marine and naval sector : Control of heavy mechanical systems such as doors and winches.

Advantages of Buying Ready for Delivery (Stock)

1. Reduced downtime : Having a cylinder readily available reduces machine downtime.
2. Greater economic convenience : Stock cylinders are often offered at competitive prices, as they are produced in large volumes.
3. Quality assurance : Cylinders available from stock have often already passed standardized quality controls, guaranteeing reliability.

Manufacturer

Brands like Parker Hannifin , Bosch Rexroth , and Hydac are often known for producing high-quality hydraulic cylinders. These manufacturers also provide ISO certification, guaranteeing robustness, precision, and long-lasting durability.

Power at Various Pressures

To estimate the power at different pressures, we can use the following formula:

$$P$$

Where:

• PP $P$ is the power,
• FF $F$ is the force,
• vv $v$ is the speed of the stem.

If we assume operating pressures varying between 160 and 250 bar, we can calculate the force produced and therefore estimate the power delivered by the cylinder based on the speed of extension or retraction.

This cylinder, with its large bore and stroke, is ideal for heavy-duty applications requiring high thrust and precision. The off-the-shelf option ensures immediate availability, reducing the risk of production downtime.