1) a new type of polygonal line slot drum
新型折线槽卷筒
1.
It adopts horizontal collocation and a new type of polygonal line slot drum,which resolves the defect of the existing hoisting mechanism,so that the hosting mechanism can wok stably and reliably.
阐述了优化设计在塔式起重机新型起升机构产品开发中的作用,该机构采用一字形布置和新型折线槽卷筒,解决了现行起升机构的缺陷,保证起重机械稳定可靠工作。
2) polygonal line drum
折线卷筒
1.
The problems,such as low efficiency,heavy raw materials consumption,high cost and so on,existed in the production of polygonal line drum;therefore,the method was proposed that was substituting casting the polygonal line grooves for the machining and the grooves surface alloying.
折线卷筒生产加工中存在效率低、原材料消耗大、成本高等问题,为此提出了以折线绳槽铸造成形替代机加工成形,以及绳槽表面合金化的方法。
4) drum slot
卷筒槽
5) drum winding
槽筒式卷绕
6) rope drum groover
缆索卷筒槽
补充资料：折线
用线段依次连接不在一直线上的若干个点所组成的图形。各线段称为折线的边；各点称为折线的顶点，其中第一点称为起点，最后一点称为终点。起点和终点重合的折线称为封闭折线或多边形。不相邻的两边都不相交的折线称为简单折线。如果对于简单折线的任一边所在的直线，折线其他各边都在其同侧，则称此为凸折线；否则称为凹折线。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条