1.前言 拉坯矫直机是弧形连铸机上的重要设备之一。它的作用是拉坯并将铸坯矫直。此外,在浇注前,拉坯矫直机还要把引锭杆送到结晶器内。浇注开始后,当铸坯被拉至切割机处时,再把引锭杆脱掉。通常对拉坯矫直机的要求为:具有足够的拉坯力及矫直力;上拉辊开口度应设计成可以 1. Introduction Preform straightening machine is one of the important equipment on the arc continuous casting machine. Its role is to draft and straighten the slab. In addition, before pouring, the straightening and leveling machine also sends the dummy bar to the mold. After the pouring starts, when the slab is pulled to the cutting machine, then take off the dummy bar. The usual requirements for the plow straightening machine are as follows: sufficient drawing force and straightening force; the opening degree of the pulling-up roller should be designed to be