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shi yong wei xiu zhong chang jian de cuo wu zuo fa
Author(s): 
Pages: 26
Year: Issue:  8
Journal: Farm Machinery

Keyword:  可燃混合气缸内温度水冷却活塞顶润滑效果气缸壁气缸套空气滤清器表面温度烧瓦;
Abstract: <正>1.柴油机在低温状况下工作柴油机温度过高,会导致零件的机械性能下降,功率降低,加速磨损等严重后果。因此很多机手认为机温低总比机温高好。为防止水温过高,有的机手从柴油机带动的水泵的出水管接一根小水管至水箱,实行流水冷却,使柴油机长期处于低温下工作。其实柴油机工作温度过低也是有害的:(1)影响可燃混合气的形成和润滑效果。因为冷却过度,会造成气缸壁与活塞顶表面温度过低。(2)气缸套、活塞等零件容易腐蚀。因为过度冷却,气缸内温度过
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