To solve the problems existed in the valve train of WD618.44 diesel engine, a new polynomial high power exhaustCAM profile was designed.
采用多项式高次方凸轮对WD 618.44柴油机原排气凸轮进行了改进设计。
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C. Blow-back through the scavenge air ports, owing to an incorrectly adjusted exhaustcam disc or large resistance in the exhaust system(back pressure not exceed 300 mm wc)
The model and linear study on the exhaustcam of internal-combustion engine is of great importance to knowing about the linear features of cam's shell and the law of tappet movement.