Compact-siro spinning is a new kind of spinning technique which combines compact spinning and siro spinning,and widely put into practice. Based on the airflow data in the condensing zone,it builds the geometrical mode...Compact-siro spinning is a new kind of spinning technique which combines compact spinning and siro spinning,and widely put into practice. Based on the airflow data in the condensing zone,it builds the geometrical model of fiber strands,and then the trajectory of single fiber can be got. The difference of trajectory and compact effect of fibers strands is also analyzed in the condensing zone of three different suction slots. By comparing with the data of three different suction slots,it selects the compact-siro spinning suction device whose yarn has the best overall performance. The theory analysis gives foundation and explanation for experiment,and also provides theoretical basis for optimizing the properties of compactsiro yarn in production practice.展开更多
干熄焦用钢丝绳由于受气体侵蚀、粉尘黏附、红焦烘烤等原因,恶劣的工作环境对钢丝绳的综合性能要求很高。介绍6×K36WS+IWRC—30干熄焦用压实股钢丝绳试制过程,给出干熄焦提升用钢丝绳生产技术要求。选用直径8.0 mm SWRH77A盘条作...干熄焦用钢丝绳由于受气体侵蚀、粉尘黏附、红焦烘烤等原因,恶劣的工作环境对钢丝绳的综合性能要求很高。介绍6×K36WS+IWRC—30干熄焦用压实股钢丝绳试制过程,给出干熄焦提升用钢丝绳生产技术要求。选用直径8.0 mm SWRH77A盘条作为制绳钢丝原料,针对不同层成品钢丝直径选择的半成品钢丝直径分别为3.40,4.30,5.30,6.50 mm。拉丝采用多道次、小压缩率方法,股绳生产中采用股淋油,钢丝绳表面涂进口油脂,股绳捻距79.2～83.3 mm,左交互捻钢丝绳整绳破断拉力达784 kN,右交互捻钢丝绳整绳破断拉力达831 kN。使用表明该钢丝绳满足用户要求,可替代进口钢丝绳。展开更多
基金Fundamental Research Funds for the Central Universities(Nos.CUSF-DH-D-2015002,2232014D3-01)Shanghai Natural Science Foundation,China(No13ZR1400900)Key Grant Project of Chinese M inistry of Education(No.113027A)
文摘Compact-siro spinning is a new kind of spinning technique which combines compact spinning and siro spinning,and widely put into practice. Based on the airflow data in the condensing zone,it builds the geometrical model of fiber strands,and then the trajectory of single fiber can be got. The difference of trajectory and compact effect of fibers strands is also analyzed in the condensing zone of three different suction slots. By comparing with the data of three different suction slots,it selects the compact-siro spinning suction device whose yarn has the best overall performance. The theory analysis gives foundation and explanation for experiment,and also provides theoretical basis for optimizing the properties of compactsiro yarn in production practice.
