6×12（3＋9）＋FC钢绳的设计

Design of Wire Rope 6×12(3+9)+FC

求解捻角的新方法，讨论钢绳（股）结构参数间的关系，给出６×１２＋ＦＣ钢绳的参数设计。

To put forward a new method of finding the solution of twisting angle, discuss the relations between parameters of wire rope and strand structures, give the parameter design of wire rope 6×12+FC.