BT902型与BT903型转杯纺纱机的性能及使用

通过分析目前各挡次转杯纺纱机的性能特点，组合公司压锭改造后剩余前纺设备的生产能力，选择了BT902型及带有半自动接头装置的BT903型转杯纺纱机组成中档中速型转杯纺生产线，生产中高档产品。介绍了BT902型、BT903型转杯纺纱机的性能特点，BT903型转杯纺纱机纺制捻针织纱的生产情况以及BT902型转杯纺纱机与BD200SN型转杯纺纱机的成纱质量对比情况。指出了设备运转中存在的问题及采取的措施，设备维修与保养中应重点注意的问题。

Properties and Usage of BT902 and BT903 Rotor Spinners

Through the property analysis of the present vary grade rotor spinners, and associated with the residual productive capacity of fore-spinning equipments after spindle decreasing, the BT902 rotor spinner and the BT903 rotor spinner with semiautomatic piecing device are selected out and the moderate speed rotor spinning production line is constructed, which can produce middle or high-grade yarn products. The properties of BT902 and BT903 rotor spinners are introduced, the performance of BT903 rotor spinner in producing the low twist knitting yarn is also given out and the yarns produced by BT902 and BD200SN rotor spinners are compared. The problems in running are pointed out and the measures to be adopted are also given out, and the items to pay much attention to in maintenance and attendance are also put forward.