# How do I choose a hydraulic actuator?

## How do I choose a hydraulic actuator?

Factors to Consider in the Selection of a Hydraulic Cylinder:

- Mass. The first and most critical step is to determine the amount of mass you wish to move.
- Geometry. Once you know the nature of the mass being moved you then need to consider the geometry involved in moving it.
- Bore Size.
- Rod Size.
- Cushions.

**Why are actuators so expensive?**

When a linear actuator is working, it uses energy to move the load and due to inevitable overheating, it has to stop for some time. So, the less time your linear actuator has to take rest, the more expensive it will be.

### How do you find the bore diameter of a hydraulic cylinder?

For example, for 2,000 psi of hydraulic pressure, calculate the surface area of the bore diameter, which is 3.14 X R2. If you use a 3-inch bore cylinder, calculate the radius (1.5 x 1.5 x 3.14), which equals 7.065 square inches of surface area. Then multiply this number by the 2,000 hydraulic psi being used.

**What is stroke length of a hydraulic cylinder?**

Stroke. The stroke is the amount of travel the piston rod can move in and out. It can be found by subtracting the maximum extended length of the hydraulic cylinder from it’s minimum compressed length. Generally the compressed length is given along with the stroke.

#### Is a hydraulic pump considered an actuator?

A hydraulic motor is a mechanical actuator that converts hydraulic pressure and flow into torque and angular displacement (rotation). However, many hydraulic pumps cannot be used as hydraulic motors because they cannot be backdriven.

**What is the purpose of an actuator?**

An actuator is a device that uses a form of power to convert a control signal into mechanical motion. From electric door locks in automobiles, to ailerons on aircraft, actuators are all around us.

## Are linear motors expensive?

Size. As mentioned previously, high-force linear actuators cost more than small/micro linear actuators. This is due to more material, a larger motor, and more gearing. Also, high-force linear actuators require larger power supplies to provide the motor with enough “juice”, adding to the cost.

**What is a hydraulic linear actuator?**

A hydraulic actuator is a mechanical device that uses hydraulics to convert energy into a linear movement.

### What is a hydraulic drive motor?

A hydraulic motor is part of a hydraulic drive system that uses pressurized fluid to move a cylinder and make a machine function.

**What is a hydraulic regulator?**

Hydraulic Regulator. a regulator in which the pressure of a liquid fed from a constant supply acts on a regulating mechanism. Hydraulic regulators are usually designed to function according to the integral, proportional, or integral-proportional laws of regulation.

#### What is motor actuator?

An actuator is a motor that converts energy into torque which then moves or controls a mechanism or a system into which it has been incorporated. It can introduce motion as well as prevent it. An actuator typically runs on electric or pressure (such as hydraulic or pneumatic).