Choosing a suitable loading connection device requires a comprehensive judgment based on the specific application scenario, load type, accuracy requirements, and environmental conditions. The following are key selection dimensions and suggestions:
Define Application Requirements
Testing scenarios (e.g., material mechanical property testing): Prioritize multi-functional space loading devices, which support multi-channel hydraulic control and can achieve a maximum vertical load of 20,000 kN, suitable for static load and fatigue tests on large structural components.
On-site calibration: If rapid calibration of multi-dimensional force sensors is required, a multi-dimensional force sensor calibration loading device with motor drive and continuous variable force loading should be selected.
Match Load Parameters
Torque and Force Range:
Small torque (<300 N·m), small force (<10 kN): Active magnetic particle loaders can be used, offering advantages such as automatic control, fast response, and easy maintenance.
Consider Connection Reliability and Environmental Adaptability:
For high-voltage or complex loads, hydraulic or mechanical loading systems such as screw jacks or integrated hydraulic actuators are required.
Consider Connection Reliability and Environmental Adaptability:
If the device is used for electrical/signal connections in industrial automation production lines, pay attention to the protection rating (IP rating), temperature resistance, and vibration resistance of heavy-duty connectors:
Humid/Dusty Environments: Select products with an IP67 or higher protection rating.
High/Low Temperature Conditions: Ensure operating temperatures cover a range of -40℃ to +125℃.
Frequent Vibration Scenarios: Select models with a locking structure and impact resistance ≥50g.
Electrical and Signal Transmission Requirements:
For connectors that need to transmit high-frequency signals or high currents, the following should be carefully evaluated:
Rated Voltage and Current: Must be higher than the system's maximum value, with a safety margin of at least 20%.
Contact Resistance: High-quality connectors should have a resistance ≤10mΩ; for precision signal scenarios, it is recommended to keep it below 5mΩ. Shielding performance: For high-frequency or strong interference environments, connectors with metal shells and shielding effectiveness ≥80dB should be selected to prevent signal distortion.