Throngh analyses made on the production technology of second drafts by first circular dressing machine CZ161A instead of second CZ162A in draft making procedure,the technological feasibility is proved to be practical.
对绢纺厂制绵工序用头道 (CZ1 61A)圆梳机代替二道 (CZ1 62A)圆梳机生产Ⅱ号精绵进行了工艺分析 ,并对实际生产情况进行了阐述 ,确定了其可行性。