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双捻距捻股机(简称双捻机)是目前世界上刚出现的一种新型捻股设备之一。所谓双捻距,即车体旋转一周股绳形成两个捻距(目前管式机或筐兰机为车体旋转一周形成一个捻距)。这种设备七十年代初首先在电缆行业使用,即称之为双绞机。目前世界上一些工业发达的国家已在钢丝绳生产绳股上进行试验获得成功并进行使用。我国一直沿用管式机和筐兰式进行钢丝绳捻股生产,近一年国内有些单位也在着手双捻距捻股机的试验。双捻机与管式捻股机相比具有如下优点:
Double twist pitch twisting machine (double twister) is the world’s first emerging a new twist equipment. The so-called double-pitch, that is, the body of a week to form a twisted ropes twist (the current tube machine or basket Lan machine for a week to form a rotating body twist pitch). This equipment was first used in the cable industry in the early seventies, which is called twister. At present, some industrialized countries in the world have been successfully tested on wire ropes and used. Our country has been using tube-type machine and basket-type wire rope twist strand production, the past year, some domestic units are also engaged in double-twist layup machine test. Double twister compared with the tube twisting machine has the following advantages: