The performance test of miniature slip ring includes resistance value test, insulation test, withstand voltage test, rotation torque test, appearance test, life test, etc.
Let us see some main performance indicators;
Insulation resistance test
The value of insulation resistance is the basic index of each electrical equipment or power line. It is an inaccurate index to measure the safety of electrical equipment and reflects the electrical insulation performance of the whole equipment. Hangzhou Grand technology adopts mature production process, multi loop, multi guarantee, positioning and precise assembly. The insulation resistance value of cap type conductive ring can be ≥ 1000m Ω / 500VDC for power ring and ≥ 500m Ω / 500VDC for signal ring, and it can be customized on demand.
Dynamic resistance change value detection
In principle, the smaller the change value is the better. The smaller the change value is the more stable the performance of the conductive ring is and the better the transmission performance is. In addition to the process guarantee, Grand also uses gold-plated copper ring. The dynamic resistance value of conventional products is less than 0.01 Ω, which meets the use requirements of most products. High end products can be controlled within 0.005 Ω.
Life test does not only refer to the rotation life, but also to meet the requirements in the specified environment. Such as dust, high temperature, low temperature, explosive, etc. Each special factor will affect the service life, so different testing equipment is needed for all-round testing, and the actual conductive ring should be sampled in different environments to achieve the expected service life.
Visual inspection or measuring tools to check whether the external dimension is up to the standard, such as outer diameter, wire length, broken wire, broken shell, etc. Check in strict accordance with technical drawings.
Hangzhou Grand technology has perfect testing equipment and skilled paper inspection personnel. The relevant performance testing meets the factory requirements. It makes a one-year warranty commitment to the factory conductive ring products.