Linear Electrical Actuators
Product Overview
A Linear Electrical Actuator is an electromechanical device that converts electrical energy into linear (straight-line) motion. It is widely used in industrial automation to move, lift, push, pull, or position loads with high precision and control. Linear actuators eliminate the need for manual operation or complex hydraulic and pneumatic systems, providing a clean, efficient, and reliable motion solution.
These actuators are commonly integrated into automated systems such as valve control, industrial machinery, robotics, and positioning systems.
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How it works (simple explanation)
A linear electrical actuator operates using an electric motor, a gear mechanism, and a lead screw or ball screw.
- The electric motor receives power and starts rotating.
- The rotation is transferred through a gearbox, which adjusts speed and increases torque.
- The gearbox drives a lead screw or ball screw.
- As the screw rotates, a nut attached to the actuator rod moves forward or backward, creating linear motion.
- Sensors or limit switches stop the actuator at the desired position.
This mechanism allows accurate and repeatable motion control.
What it measures
Although actuators primarily produce motion, many models also monitor operational parameters such as:
- Position / Stroke length
- Speed of movement
- Force or load
- Motor current
- End-of-travel limits
- Temperature (in advanced models)
These measurements help maintain safe and precise operation.
Key advantages
- High precision positioning
- Clean operation (no fluid leaks like hydraulics)
- Low maintenance requirements
- Easy integration with PLC, DCS, and automation systems
- Energy efficient compared to hydraulic systems
- Compact and lightweight design
- Programmable control and automation compatibility
Applications
Linear electrical actuators are used across many industries:
- Industrial automation systems
- Valve control in process industries
- Robotics and automated assembly lines
- Packaging and material handling systems
- Solar panel positioning systems
- Medical equipment and hospital beds
- Agricultural machinery
- Adjustable platforms and lifting systems
Installation
Proper installation ensures optimal actuator performance.
- Mounting
- Secure the actuator using appropriate mounting brackets or clevis joints.
- Ensure the actuator is aligned with the load to avoid side loads.
- Electrical Connection
- Connect the actuator to the correct power supply voltage.
- Integrate with control systems such as PLC or controllers.
- Limit Setting
- Configure limit switches or electronic stops to define stroke length.
- Testing
- Run the actuator through full travel to confirm smooth operation.
- Safety Check
- Ensure proper grounding and overload protection.
Technical Specifications
Parameter | Specification |
Power Supply | 12 VDC, 24 VDC, 110 VAC, 220 VAC |
Stroke Length | 25 mm – 1000 mm |
Load Capacity | 50 N – 10,000 N |
Speed | 5 mm/s – 100 mm/s |
Duty Cycle | 10% – 100% depending on model |
Position Feedback | Potentiometer, Hall sensor, Encoder |
Protection Rating | IP54 – IP67 |
Operating Temperature | -20°C to +70°C |
Control Interface | Switch, PLC, Controller |
Mounting Type | Clevis, Flange, Trunnion |