1. Collector performance;

Measure the design and service life of pulleys.

2. Voltage drop issue;

The length of the copper strip will affect the voltage drop.

3. Expansion issues;

The expansion of the sliding contact wire can affect its service life.

4. Carbon brush service life;

Carbon brushes can affect the distance traveled and maintenance cycle of the equipment.

5. Shell quality;

The thickness, temperature adaptation, and hardness of the shell quality of the sliding contact wire are all effective ways to measure quality standards.

Although the sliding contact wire brings us a lot of convenience, we also need to pay more attention to maintenance work.