22
2026-06
What are the wire harness inspection procedures?
Inspect the appearance of cables and wire harness assemblies using visual inspection or tactile methods to ensure there are no signs of damage, burrs, or cold solder joints. This step forms the foundation of the inspection process and is intended to identify and eliminate obvious manufacturing defects.
1. Visual Quality Inspection:
Inspect the appearance of cables and wire harness assemblies using visual inspection or tactile methods to ensure there are no signs of damage, burrs, or cold solder joints. This step forms the foundation of the inspection process and is intended to identify and eliminate obvious manufacturing defects.
2. Dimensional Measurement:
Use calipers, micrometers, and other measuring tools to verify the dimensions of cables and wire harness assemblies, ensuring compliance with drawing specifications. Dimensional accuracy is critical for proper installation and functionality.
3. Performance Testing:
Conduct multiple performance tests in accordance with product standards, such as voltage withstand, current withstand, and signal stability. This typically requires the use of specialized test equipment or instruments.
Continuity Test: Measure resistance using the 2-wire or 4-wire method to verify circuit continuity.
Insulation Testing: High-voltage testing is used to measure leakage current and assess insulation performance.
Withstand Voltage Test: A sustained high voltage is applied to verify the cable’s withstand capability.
4. Environmental Adaptability Testing:
Tests are conducted under specified conditions, such as aging tests, low-temperature tests, and high-temperature tests. These tests are designed to evaluate the performance of cables and wire harness assemblies in various environmental settings.
5. Security Testing:
Conduct safety tests, such as fire resistance and electric shock protection, in accordance with relevant standards to ensure that the product complies with safety requirements.
Related News