Task source: SAE J2044 life cycle test stand covers the harsh conditions of use in automotive applications such as pressure, vibration, and circulating temperature to meet the requirements of fuel oil system functions. At present, the national sixth-stage vehicle pollutant emission standards are strictly discharged, and the current test urgent need.

According to the standard: SAEJ2044-2009 Fuel oil line quick connector 7.5 life cycle test

Test duration: 336h (14 test cycles) (14 days)

Test items:

7.5.8.1 Hot operation test 7H

7.5.8.2 Hot infiltration test 2H

7.5.8.3 Hot operation after hot infiltration 7H

7.5.8.4 Cold infiltration 7H

7.5.8.5 Cold operation 1H

Technical parameters:

Pressure: Quick connection in liquid fuel system: 0-1034KPa Quick connection in evaporation/ volavaporation system: 0-69KPa

Waveform: Similar to square wave

Flow rate: The fast connection element flow rate in the liquid fuel system is: 1.33 Lpm ± 0.2 Lpm (L / min)

Cycle: 1 minute for each pressure

Vibration frequency: From 7Hz stepless frequency modulation to 200Hz, frequency modulation 3 times per hour, acceleration introduction see requirements 7.5.3.