粗紗條干不勻率的檢測(cè)與控制產(chǎn)品的質(zhì)量標(biāo)準(zhǔn)半制品質(zhì)量控制織物質(zhì)量控制棉紗質(zhì)量標(biāo)準(zhǔn)與檢驗(yàn)紗線質(zhì)量控制目錄粗紗條干不勻率控制范圍01粗紗條干不勻率檢測(cè)02粗紗條干不勻率控制措施03CONTENTS目錄檢測(cè)粗紗條干不勻率的意義粗紗條干不勻率與成紗條干不勻率顯著相關(guān)，對(duì)布面條干和紗疵影響極大，與成紗重量不勻率、強(qiáng)力不勻率也有相當(dāng)?shù)年P(guān)聯(lián)；另外，檢測(cè)粗紗的條干不勻率可以及時(shí)發(fā)現(xiàn)質(zhì)量隱患，可以減少紗疵、提高產(chǎn)品質(zhì)量。粗紗重量不勻率控制范圍紡紗類型純棉精梳紗化纖混紡紗特細(xì)特、細(xì)特紗中特紗粗特紗粗紗條干不勻率（%）6.9~9.56.5~9.16.1~8.74.5~6.84.5~6.8粗紗條干不勻率控制措施粗紗條干不良的影響因素：搖架加壓的彈簧失效、斷裂，固定螺釘松動(dòng)，調(diào)節(jié)螺釘走動(dòng)；搖架腳抓握持不良，膠圈銷歪斜，膠輥與羅拉不平行；上下膠圈過緊或過松，膠圈走偏、龜裂或無膠圈紡紗；上下銷鉗口隔距過小或過大；羅拉隔距過小或過大；部分牽伸配置不當(dāng)，或粗紗伸長(zhǎng)率太大；膠輥嚴(yán)重中凹，表面嚴(yán)重?fù)p壞，膠輥軸承缺油、損壞；嚴(yán)重的纏羅拉、膠輥，使羅拉彎曲、隔距走動(dòng)，并影響同檔加壓的相鄰錠子的粗紗條干；牽伸齒輪爆裂、偏心、缺齒、鍵與鍵槽松動(dòng)、鍵磨損或齒輪嚙合不良；上下膠圈偏移太大，隔距塊碰下膠圈；喂入棉條條干嚴(yán)重不勻，打褶或附有飛花；粗紗捻度過大或過小。錠翼嚴(yán)重?fù)u頭；集合器不符要求、破損、軋煞或跳動(dòng)；車間相對(duì)濕度過低，粗紗回潮率在6%以下；棉條跑出膠輥控制范圍。措施：加強(qiáng)牽伸、加壓、集合、喂入部件檢修；正確設(shè)計(jì)工藝及工藝上機(jī)檢查；正確加捻；防止意外牽伸；控制前道熟條質(zhì)量；注意控制車間溫濕度，純棉普梳粗紗條干CV(%)粗紗定量（g/10m）條干CV值（%）5%25%50%75%95%14.84.335.055.826.777.9811.84.475.165.936.857.999.84.585.266.036.927.998.44.685.346.106.988.007.44.765.426.177.048.006.64.845.486.237.088.015.94.915.546.297.128.015.44.975.606.347.168.024.95.035.656.397.208.024.55.095.706.437.238.024.25.145.746.477.268.033.95.195.786.517.298.033.75.245.826.547.318.033.55.285.856.587.348.033.35.325.896.617.368.04純棉精梳粗紗條干CV(%)粗紗定量（g/10m）條干CV值（%）5%25%50%75%95%4.93.213.624.074.625.384.53.233.644.094.635.384.23.253.654.104.645.393.93.273.674.114.665.393.73.283.684.124.675.393.53.313.694.134.685.393.33.333.714.144.685.403.13.333.724.154.695.403.03.343.734.154.705.402.83.353.744.164.715.402.73.363.754.174.725.412.63.373.764.184.725.412.53.383.764.1