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Installation considerations for electric linear actuators

2024.11.06

Electric linear actuators are an indispensable and important part of modern automation control systems. Their accuracy and reliability are directly related to the overall performance of the system. In order to ensure that the actuator achieves optimal performance during use, every step of the installation process needs to be carefully planned and executed.

Pre-installation preparation and inspection
Environmental assessment
Before installing the electric linear actuator, a comprehensive assessment of the environment must be conducted. This includes consideration of factors such as temperature, humidity, vibration, and corrosive substances. It is crucial to ensure that the actuator can operate stably under the specified environmental conditions. Too extreme environmental conditions may affect the performance and service life of the actuator.
Equipment inspection
Before installation, the actuator and its accessories need to be fully inspected. The inspection content includes appearance, size, integrity of accessories, etc., to ensure that the actuator is not damaged during transportation and storage, and its model and specifications are consistent with the design requirements.
Foundation preparation
According to the weight, size and installation method of the actuator, a suitable installation foundation needs to be prepared. The flatness and strength of the foundation must meet the requirements to avoid vibration or damage to the actuator caused by unstable foundation, which is crucial for the long-term stable operation of the actuator.

Determination and fixation of installation position
Position selection
The installation position of the actuator should fully consider the convenience of operation, maintenance and observation. At the same time, avoid installing it near the vibration source to reduce the interference of external vibration on the operation of the actuator, thereby ensuring its stability.
Installation direction
Determine the correct installation direction based on the design characteristics of the actuator and the specific application requirements. Ensure that the output shaft of the actuator is consistent with the axis of the driven equipment (such as valves, slides, etc.) to achieve the best transmission effect.
Fixed installation
Use appropriate fasteners to firmly fix the actuator on the foundation. The selected fasteners should be selected according to the weight, load and vibration of the actuator to ensure that no damage is caused to the actuator during installation.

Connection of power supply and control signal
Power connection
The power connection of the electric linear actuator must strictly follow the electrical safety specifications to ensure that the power supply voltage matches the rated voltage of the actuator. Standard cables and terminals should be used to ensure the firmness and reliability of the connection to avoid failures caused by poor contact.
Control signal connection
Correctly connect the control signal line of the actuator according to the requirements of the control system. The shielding, grounding and protection measures of the signal line must be in place to reduce the impact of external electromagnetic interference and ensure accurate signal transmission.

Debugging and testing
Functional test
After installation, the actuator needs to be fully functionally tested, including manual operation, automatic control and feedback signal testing. Ensure that the actuator can operate accurately and stably according to the design requirements and meet the actual needs of the system.
Limit adjustment
According to the actual application requirements, adjust the limit switch position of the actuator to ensure that it can stop accurately within the travel range to prevent damage caused by excessive travel of the equipment.
Safety protection
Finally, check and set the safety protection devices of the actuator, such as overload protection and short-circuit protection. These safety measures can stop the machine in time under abnormal conditions to ensure the safety of equipment and personnel.