To produce CJ 3.6 tex in spinning frame with pneumatic V shape draft and guarantee yarn quality,processing of weight per 5 m,draft multiple of back area,roller gauge,top roller pressure,leading distance of front top roller an so on were optimized.

• 为了在气动V形牵伸细纱机上顺利生产CJ 3.；6 tex纱；保证成纱质量；对粗纱定量、后区牵伸倍数、罗拉隔距、胶辊加压及前胶辊前冲量等工艺参数进行了优化试验。