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针对长丝纺丝机高精度标准件——计量泵的传动轴头的断裂现象进行了原因分析、强度计算,通过理论分析和计算得出轴头断裂的主要原因是强度不够。为了满足现场需要,提出改进轴头设计结构和进行合适的热处理并用的工艺制造方法,使计量泵传动系统能够精确、安全、可靠的运行。
According to the reason of the fracture of the transmission shaft head of the filament spinning machine, which is the high-precision standard part-metering pump, the main reason for the fracture of the shaft head is that the strength is not enough, through theoretical analysis and calculation. In order to meet the needs of on-site, the paper proposed a method to improve the design of the shaft head and the suitable heat treatment and process manufacturing method, so that the metering pump drive system can operate accurately, safely and reliably.