LD - 120五辊冷轧管机的主要传动执行部件有主电机、皮带传动系统、回转送进箱、中间床身、主传动系统。
The main drive actuating parts of LD-120 five-high tube cold rolling mills include the main motor, belt driving system, rotary feed-in case, intermediate bed and main driving system.
三个工作辊均为主驱动辊，保证对任何厚度的材料有良好的送进卷制功能。
Rollers are mainly the work of the three-driven roller to ensure that any thickness of the material sent to a good rolling function.
助卷辊主要参数包括压紧力、送进力、辊缝值和分布位置的确定，对地下卷取机的设计和控制具有十分重要的意义。
Chief parameters of aided reel roll includes tight pressure, send entrance force, roll gap and distributed position, determination of that is great importance to design and control for down coilers.
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