Zhuji City, Jian-Ling Machinery Factory is a company specialized in production of auto parts such as manual valve, master cylinder, relayvalve, clutch booster, air dryer and spring brake chamber.
The mounted location of high-pressure safty valve and the connecting position of the control air pipe of air pressure relay of JZ-7 brake system are analysed.
Finally take the relayvalve for example, time lag characteristic of air brake actuating system is discussed and the spectrum analysis is introduced in…