论文部分内容阅读
空气锤活塞销铜套,由于润滑油供应困难,散热条件差,每当空负荷试验后就发现有烧伤痕迹。过去认为国产和苏联的空气锤都是采用的这种结构,一直不敢动。自大学毛主席著作以来,我们按照毛主席的指示,打破洋框框,走自己的道路。通过分析、研究用滚针轴承代替了,铜套,经过一年来试用,没有发现烧伤现象。改进前后如图所示。
Air hammer piston pin copper sleeve, due to the supply of lubricating oil, poor cooling conditions, whenever the empty load test found signs of burns. In the past, the air hammers made in China and the Soviet Union were all considered to be of such a structure that they have not dared to move. Since Chairman Mao’s work at the University, we have taken the path of our own, in accordance with Chairman Mao’s instructions. Through the analysis, the study replaced with needle roller bearings, copper sleeve, after a year of trial, found no burn phenomenon. Before and after the improvement as shown.