When it comes to mechanical testing, accuracy and dependability are critical. Static and dynamic servo-hydraulic actuators are the ultimate in engineering design, providing unmatched precision and control in a wide range of testing scenarios. We delve into the details of these advanced gadgets in this extensive guide, examining their features, parts, and practical uses.
Table of Contents
Understanding Servo-Hydraulic Static and Dynamic Actuators
Actuator Assembly Capacity 70kN
Servo-hydraulic static and dynamic actuators boast an impressive assembly capacity of 70kN, ensuring robust performance across diverse testing scenarios. With this substantial capacity, these actuators can exert significant force with precision and control.
Stroke Length and Displacement Accuracy
The stroke length of these actuators typically spans 100mm, with a deviation tolerance of ±50mm. Moreover, they offer exceptional displacement accuracy, maintaining a precision of ±1% of the indicated value of displacement. This level of accuracy is crucial for ensuring reliable test results across various load conditions.
Computer-Controlled Operation
One of the standout features of servo-hydraulic static and dynamic actuators is their computer-controlled operation. This advanced control mechanism allows for precise initiation and termination of testing procedures, enhancing overall efficiency and repeatability.
Servo Valve Manifold Swivel Top Assembly
The integration of a servo valve manifold swivel top assembly further enhances the versatility and performance of these actuators. This assembly facilitates seamless control of hydraulic flow, ensuring optimal functionality and responsiveness during testing operations.
Hydraulic Servo Power Pack
Accompanying these actuators is a hydraulic servo power pack, providing the necessary hydraulic pressure to drive the system. With a maximum working pressure of 300 bar, this power pack delivers the requisite force for executing demanding testing protocols.
Displacement Transducer and Load Cell
Critical components such as the displacement transducer and load cell contribute to the precise measurement and control of forces and displacements. The displacement transducer boasts a total displacement of 25mm and an impressive resolution of 0.001mm, enabling accurate monitoring of structural responses during testing.
Electrical Control Cabinet and Cooling System
The inclusion of an electrical control cabinet ensures seamless integration with external control systems, facilitating comprehensive test automation and data acquisition. Additionally, a cooling system with forced ventilation maintains optimal operating temperatures, ensuring consistent performance over prolonged testing durations.
Real-World Applications
Servo-hydraulic static and dynamic actuators find extensive applications across various industries, including aerospace, automotive, and materials science. These actuators play a pivotal role in conducting fatigue tests, material characterization studies, and structural integrity assessments.
FAQs (Frequently Asked Questions)
What are the primary applications of servo-hydraulic static and dynamic actuators?
Servo-hydraulic actuators are commonly used in fatigue testing, material characterization, and structural integrity assessments across industries.
How does the computer-controlled operation enhance testing efficiency?
Computer-controlled operation allows for precise initiation and termination of testing procedures, minimizing human error and ensuring consistent results.
What is the significance of the load cell in servo-hydraulic actuators?
The load cell enables accurate measurement of forces exerted during testing, facilitating precise control and analysis of structural responses.
Can servo-hydraulic actuators accommodate varying displacement requirements?
Yes, these actuators typically offer adjustable stroke lengths and high displacement accuracy to meet diverse testing needs.
How do servo-hydraulic actuators contribute to test reliability?
Servo-hydraulic actuators provide precise control over loading conditions, ensuring reproducible test results and enhancing overall reliability.
Are servo-hydraulic actuators suitable for high-frequency testing applications?
Yes, these actuators offer a wide frequency range of 0.1 Hz to 5 Hz, making them ideal for high-frequency dynamic testing scenarios.
Servo-Hydraulic Static and Dynamic Actuator Summary
Specifications of a Servo-Hydraulic Static and Dynamic Actuator designed for testing purposes.
Key Features:
- Capacity: 70kN
- Stroke Length: 100mm (±50mm)
- Displacement Accuracy: ±1%
- Load Accuracy: ±1%
- Frequency Range (Dynamic Testing): 0.1 Hz – 5 Hz
System Components:
Component | Description |
---|---|
Actuator Assembly | Main unit for applying force |
Circular Steel Plates (2) | For attachment to the bottom piston rod |
Buffer Base | Attached to the bottom plate for impact absorption |
Servo Valve Manifold Swivel Top Assembly | Controls hydraulic fluid flow |
Load Cell | Measures applied force (up to 70kN) |
Hydraulic Servo Power Pack | Provides pressurized fluid |
Displacement Transducer (LVDT) | Measures actuator displacement (25mm total, 0.001mm resolution) |
Electrical Control Cabinet | Controls system operation |
Oil Tank | Stores hydraulic fluid (150 liters) |
Hydraulic Ports | For connecting to test frames |
Proportional Valve | Controls oil flow |
Cooling System | Maintains oil temperature |
Applications:
- This actuator can be used for both static (e.g., ramp testing) and dynamic (e.g., fatigue testing) applications.
- The computer-controlled operation allows for precise control during testing.
Additional Notes:
- The system has a maximum working pressure of 300 bar and a maximum oil delivery rate of 40 liters per minute.
To sum up, servo-hydraulic static and dynamic actuators are the ultimate in engineering quality, providing unmatched control and precision for mechanical testing applications. These sophisticated systems, which perform tasks like fatigue testing and material characterisation, are essential to guaranteeing the dependability and integrity of various structures and parts.
Related Product Details:
Repeated Load Applicator (AIM 308-SERV-S-1)
The Repeated Load Applicator (AIM 308-SERV-S-1) is a device specifically designed to simulate repetitive loads experienced by pavements and other materials. It accomplishes this through the following key features:
- Frequency Range: 0.1 Hz to 5 Hz – This range allows for replicating various traffic loading frequencies, from slow-moving vehicles to high-speed traffic.
- Actuator Capacity: 70 kN – This capacity signifies the maximum force the applicator can exert, enabling the simulation of heavy vehicle loads.
- Load Cell (70 kN capacity) and Accuracy ( ± 1%): This combination ensures precise measurement and control of the applied load during testing.
The applicator’s design incorporates an actuator with a servo valve manifold swivel top assembly, enabling controlled and efficient application of repeated loads. This system is ideal for evaluating the performance of materials under simulated real-world conditions, such as those encountered in pavement testing.