January 4, 2010, just after the snow, the road is still slippery, with exhortations and Chaochai people hope that the leadership of his party towards diesel winter marked team of 20 people set off again went to Heihe. After three days of long-distance trekking, he safely and smoothly arrived at Heihe on the evening of January 6th, kicking off the prelude to an alpine calibration test.
The alpine calibration trial covers 8 models, 3 sets of Chaochai 485, two passengers and one cargo, one Chaochai 4102-C3A bus, three NGD models and one Chaochai 4 model. Before this, in order to ensure the smooth completion of these new vehicles, the Technical Center has already made several rounds of preparatory meetings to discuss vehicle preparation conditions and plans for the winter trials. The Agency and the sales company’s bus department actively contacted the automakers of the new model. Quick match to ensure the smooth progress of the alpine trial. The alpine test is an important calibration content of the electronically controlled engine. The main purpose is to improve the cold start performance of the electronically controlled engine under high-cold conditions, driving performance under cold start, and emission performance after starting. Because of the harsh environment and low temperature required by the experiment, we must choose Heihe as our calibration site. Only through the assessment of the low-temperature calibration test can we ensure the adaptability and reliability of the vehicle in any other low-temperature areas.
The calibration task is also very onerous. The calibration team must not only independently complete all calibration tasks for each new model, including the cold start of the vehicle, smoke limitation, drivability, noise, and so on. It also has to cooperate with Bosch to complete Daw Chai. 485 matches Bosch system LPC hydraulic test and ECU hardware various low-temperature inspections and assessments, so the calibration staff conducts trials and collation of a large number of cumbersome data every day in a busy and busy period, and carries out calibration data changes every day in the new day. And verification, using his own practical actions to express his love of work and his loyalty to Chaochai.
At present, the alpine calibration task is still in progress. All models can successfully start above -27°C. Individual models can be started successfully at -30°C, and data needs to be optimized to challenge even lower temperatures. It is believed that the various models after calibration will surely add new competitive advantages in the future market.
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