纺纱工艺设计与计算学案.doc

梳棉工艺单机型生条定量(g/5m)回潮率（%）线密度（tex）总牵伸倍数棉网张力牵伸刺辊转速(r/min)锡林转速(r/min)盖板速度(mm/min)道夫转速(r/min)干定量湿定量机械实际FA201B刺辊与周围机件隔距(mm)给棉板第一除尘刀第二除尘刀第一分梳板第二分梳板锡林锡林与周围机件隔距(mm)活动盖板后固定盖板前固定盖板大漏底后罩板前上罩板前下罩板道夫齿轮的齿数Z1Z2Z3Z4Z5并条工艺单机型并条定量(g/5m)回潮率(%)总牵伸倍数线密度(tex)并合数牵伸倍数分配紧压罗拉速度(m/min)干重湿重机械实际主牵伸倍数预牵伸倍数FA306罗拉握持距(mm)罗拉加压(N)罗拉直径(mm)喇叭头孔径(mm)压力棒调节环直径(mm)前中中后导条前中后压力棒前中后11836239236258.8453535齿轮的齿数EFQGHKTR粗纱工艺单机型粗纱定量(g/10m)回潮率(%)总牵伸倍数后区牵伸倍数线密度(tex)捻度(捻回/10cm)捻系数罗拉握持距(mm)干重湿重机械实际前中中后TJFA458A罗拉加压(daN/双锭)罗拉直径(mm)轴向卷绕密度(圈/10cm)径向卷绕密度(层/10cm)转速(r/min)前中后前中后前罗拉转速锭翼转速集合器口径（宽高)(mm)钳口隔距(mm)齿轮的齿数前区后区喂入Z1Z2Z3Z4Z5Z6Z7Z8Z9Z10Z11Z12Z14细纱工艺单机型细纱定量(g/100m)实际回潮率(%)公定回潮率(%)总牵伸倍数后区牵伸倍数线密度(tex)捻度(捻/10cm)捻系数捻向干重湿重机械实际FA507B罗拉中心距(mm)罗拉加压(daN/双锭)罗拉直径(mm)钢领钢丝圈转速(r/min)前中中后前中后前中后型号直径(mm)型号号数前罗拉锭速钳口隔距(mm)卷绕圈距(mm)级升距(mm)隔距块电机盘节径(mm)主轴盘节径(mm)后区牵伸齿轮牵伸对牙捻度对牙撑头牙n卷绕对牙D1D2Z29Z25Z26Z3Z4Z12Z13梳棉工艺设计与计算内容一、设计梳棉生条定量及牵伸倍数1、计算实际牵伸倍数给定棉卷定量为370g/m=2、计算机械牵伸倍数=给定落棉率为3%根据设备说明书：Z2，Z1的齿数选择见下表：Z2 Z113141516171819202119122113.3105.799.193.388.183.579.375.520115.9107.6100.494.288.683.779.375.371.721110.4102.595.789.784.479.775.571.768.3从上表中查到与计算机械牵伸倍数最接近的牵伸倍数是 ，即E机械= 相应的Z1，Z2分别是 。3、修正实际牵伸倍数、生条定量及生条线密度=4、计算其他牵伸倍数（1）棉网张力牵伸倍数（即大压辊与下轧辊之间的牵伸倍数）根据设备说明书：=（2）小压辊与道夫间的牵伸倍数=二、设计速度给定V带和平带的传动效率均取98%，由设备说明书：1、锡林速度（r/min）2、刺辊速度（r/min）3、盖板速度（mm/min）Z4，Z5的齿数选择见下表：Z4182126303439Z5423934302621V盖板（mm/min）78.6998.87140.41183.61240.10340.99从上表中选择V盖板值是 ，相应的Z4，Z5分别是 。4、道夫速度（r/min）Z3的齿数选择见下表：Z31819202122232425262728293031323334n道夫（r/min）18.919.921222324.125.226.227.228.329.330.431.432.533.534.635.6考虑梳棉机的产量及分梳情况等，选择n道夫为 ，对应的Z3的齿数为 。5、小压辊成条速度（m/min）=三、设计梳棉隔距并条工艺设计与计算内容一、设计棉条定量及牵伸倍数给定牵伸效率为98%1、计算实际牵伸倍数=2、计算机械牵伸倍数=根据设备说明书：QGHK齿数选择见下表：QGH K1(121)2(122)3(123)4(124)5(125)6236A2513.59013.47813.36913.26113.155B2613.06712.96012.85412.75112.649C2712.58312.48012.37812.27912.1806038A12.45912.35712.25612.15812.060B11.98011.88211.78511.69011.596C11.53611.44211.34911.25711.1675840A11.44211.34811.25511.16511.075B11.00110.91110.82310.75310.649C10.59410.50710.42210.38810.2555642A10.52110.45310.35010.26610.184B10.11610.0339.9529.8729.793C9.7429.6629.5839.5069.4305444A9.6849.6059.5279.4509.374B9.3129.2359.16090.869.014C8.9678.8938.8218.7508.6805246A8.9208.8478.7758.7048.635B8.5778.5078.4378.3698.302C8.2598.1928.1258.0597.9955048A8.2198.1528.0868.0217.956B7.9037.8397.7757.7127.650C7.6117.5487.4877.4277.3674850A7.5757.5137.4527.3927.333B7.2847.2247.1657.1087.051C7.0146.9566.9006.8446.7904652A6.9806.9236.8676.8116.757B6.7126.6576.6036.5496.497C6.4636.4106.3586.3076.2564454A6.4296.3776.3256.2746.224B6.1826.1326.0826.0335.984C5.9535.9045.8565.8095.7634256A5.9185.8705.8225.7755.729B5.6905.6445.5985.5535.508C5.4805.4255.3915.3475.3044058A5.4425.3975.3535.3105.268B5.2335.1905.1475.1065.065C5.0394.9974.9574.9174.8783860A4.9974.9564.9164.8774.838B4.8054.7664.7274.6894.651C4.6274.5894.5524.5154.4793662A4.5824.5444.5074.4714.435B4.4054.3694.3344.2294.265C4.2424.2084.1734.1404.107从上表中查到与计算机械牵伸倍数最接近的牵伸倍数是 ，即E机械= 相应的QHGK分别是 。3、修正实际牵伸倍数、熟条定量及熟条线密度=4、计算其他牵伸倍数（1）主牵伸倍数根据设备说明书：TR取值见下表：T R47516571747.4666.8815.3994.942636.3565.8584.5964.208533.8673.540T轮53T不能和R轮47T、51T同时使用从上表中选择e主值是 ，相应的T，R分别是 。（2）预牵伸倍数=二、设计速度紧压罗拉输出速度：式中：n电电动机转速（1475r/min,50Hz） E压辊轴皮带轮直径（mm） F电动机皮带轮直径（mm） 平皮带传动相对滑动系数，一般小于1%取值见下表：紧压罗拉输出速度表（50Hz）F（mm）220200210210200180160150150150140E（mm）100100120140150150150160180200210n（r/min）3202291125472183194017461552136412131091946V1(m/s)10.069.148.06.866.095.494.884.283.813.433.05V2(m/min)603.5548.6480.1411.5365.8329.2292.6257.2228.6205.7182.9三、设计罗拉握持距根据纤维的品质长度，前区+9，后区+11四、设计其他工艺参数1、压力棒工艺2、喇叭头孔径使用压缩喇叭头C=0.60.65 ，普通喇叭头C=0.850.90=C*=粗纱工艺设计与计算内容一、设计粗纱定量及牵伸倍数1、计算实际牵伸倍数=2、计算机械牵伸倍数=由设备说明书得(三罗拉牵伸)：Z6、Z7取值见下表：E总 Z6Z77969E总 Z6Z779692512.1310.60456.745.892611.1710.19466.595.762711.249.81476.455.642810.839.46486.325.522910.469.14496.195.413010.118.83506.075.30319.798.55515.955.20329.488.28525.835.10339.198.03535.725.00348.927.79545.624.91358.677.59555.524.82368.437.36565.424.73378.207.16575.324.64387.986.97585.234.57397.786.79595.144.49407.586.62605.064.42417.406.46614.974.34427.226.31624.894.27437.056.16634.824.20446.896.02644.744.14从上表中查到与计算机械牵伸倍数最接近的牵伸倍数是 ，即E机械= 相应的Z6、Z7取值分别是 。3、修正实际牵伸倍数、熟条定量及熟条线密度=4、计算后区牵伸倍数根据设备说明书得：Z8取值见下表：Z83233343536373839404142E后1.481.431.391.351.311.281.241.211.181.151.12二、设计捻度1、初步选取捻系数初步设定粗纱捻系数为： 。2、计算捻度（1）计算粗纱的捻度=（2）计算修正后的粗纱捻度根据设备说明书得：捻度捻度变换齿数选择见下表：Z2/Z1适用于纯棉适用于化纤混纺Z2/Z1适用于纯棉适用于化纤混纺91/82103/7070/10391/82103/7070/103捻度常数1812.5802403.3051110.019捻度常数1812.5802403.3051110.019 捻度Z3捻/米捻/米捻/米 捻度Z3捻/米捻/米捻/米3060.41980.11037.0014639.40452.24524.1313158.47077.52635.8074738.56651.13423.6173256.64375.10334.6884837.76250.06923.1253354.92773.82733.6374936.99149.104722.6533453.3170.68532.6485036.25248.06622.2003551.78868.66631.7155135.54147.12421.7653650.34966.75830.8345234.85746.21721.3473748.98964.95430.0015334.20045.34520.9443847.69963.24529.2115433.56644.50620.5563946.47661.62328.4625532.95643.69620.1824045.31560.08327.7505632.36842.91619.8224144.20958.61727.0745731.80042.16319.4744243.15757.22226.4295831.25141.43619.1384342.15355.89125.8145930.72240.73418.8144441.19554.62125.2286030.21040.05518.504540.28053.40724.668从上表中查到与计算捻度最接近的捻度是 ，即Ttex= 相应的Z1、Z2 Z3取值分别是 。3、计算粗纱捻系数=三、设计速度1、设计锭翼速度根据设备说明书得：D动和D主取值见下表：D动D主n锭D动D主n锭120230625.7169210965.1210685.32001013.4200719.51901066.7190757.41942101107.9145210828.12001163.3200869.41901224.5190915.2根据设计纱线特点，选择锭翼转速为 。相应的D动和D主取值分别为： 。2、前罗拉速度=四、设计罗拉握持距前罗拉中罗拉：中罗拉后罗拉：五、设计粗纱卷绕密度1、轴向卷绕密度初步设定粗纱轴向卷绕密度为 圈/cm，由设备说明书得：其中，Z9、Z10、Z11取值见下表： Z10/Z9Z1139/2845/22 Z10/Z9Z1139/2845/22圈/cm圈/cm圈/cm圈/cm214061459643263280448173223876856932273158946389233708354457283046144732243553752188292941043190253411650100302843041750从上表中查到与设计轴向密度最接近的是 ，即H= 相应的Z9、Z10、 Z11取值分别是 。2、径向卷绕密度初步设定粗纱径向卷绕密度为 层/10cm，由设备说明书得：其中，Z4、Z5取值见下表：Z4Z5径向卷绕密度层/10cmZ4Z5径向卷绕密度层/10cm1946605.42625240.42037462.62624230.82132381.02421218.82131369.13228218.82330326.22924206.92429302.23023191.72530300.12922189.72124285.83221164.12426270.94125152.52527270.1382351.42627259.73821138.22726240.84521116.7从上表中查到与设计径向密度最接近的是 ，即R= 相应的Z4、Z5取值分别是 。六、设计其他工艺参数1、罗拉加压daN/双锭前中后：2、胶圈原始钳口隔距3、上销弹簧起始压力4、集合器细纱工艺设计与计算内容一、设计细纱定量及牵伸倍数1、计算细纱定量=2、计算实际牵伸倍数 =3、计算机械牵伸倍数给定FA507B型细纱机牵伸效率为99%=由设备说明书得：Z25、Z26取值见下表：Z25Z26E机械Z25Z26E机械Z25Z26E机械Z25Z26E机械673210.110674815.165677222.747386033.422733510.149604315.170677323.063436833.474723510.290735315.368485323.372436933.966713510.435725315.581677423.379437034.458703510.584715315.801606723.637437134.950693510.737705316.027536023.963437235.443743810.870695316.259606823.989437335.935683510.895685316.498606924.342437436.427733811.019675316.744607024.695386737.321673511.057604816.934607125.048386837.878723811.172746017.163607225.401386938.435713811.329534317.173607325.753387038.992703811.491736017.398435326.090387139.549693811.657726017.639607426.106387240.106683811.829716017.888486026.459356740.520673812.005706018.143536726.759387340.663744312.300696018.406536827.158356841.125734312.468686018.677536927.557387441.220724312.642605318.698537027.957356941.730714312.820676018.956537128.356357042.334704313.003746719.165537228.755357142.939694313.191534819.170537329.155357243.544684313.385736719.427436029.536357344.149603813.406726719.697486729.546326744.319674313.585716719.975537429.554357444.754744813.730706720.260486829.987326844.980734813.918696720.554486930.428326945.642724814.111686720.856487030.869327046.303714814.310606021.167487131.310327146.965704814.515676821.483487231.751327247.626694814.725676921.799487332.192327348.288684814.942677022.115487432.633327448.949745315.160677122.431436732.981从上表中查到与计算机械牵伸倍数最接近的牵伸倍数是 ，即E机械= 相应的Z25、Z26取值分别是 。4、计算后区牵伸倍数初步选定后区牵伸倍数为 。 （查参考资料）根据设备说明书得：Z29取值见下表：Z29232425262728后牵伸倍数1.021.061.111.161.21.25Z29293031323334后牵伸倍数1.291.331.381.421.471.51二、设计捻度1、初步选取捻系数初步设定细纱捻系数为： 。2、计算捻度（1）计算细纱的捻度=（2）计算修正后的粗纱捻度根据设备说明书得：捻度捻度变换齿数选择见下表：本机提供捻度Z3Z4本机提供捻度Z3Z444.21723485.49464245.48703485.82726646.81683488.28706648.23663490.87686649.41723893.63666650.83703896.46666852.32683899.30667053.916638102.14667254.627242102.54424656.187042104.73596657.836842107.91596859.586642111.08597059.827246114.26597261.537046115.92425263.346846118.83526665.256646122.43526866.655942126.04527067.627252129.64527269.557052131.52425971.606852134.33466673.776652138.40466875.625242142.48467076.727259146.55467278.917059147.13426681.236859151.59426883.706659156.044270160.504272从上表中查到与计算捻度最接近的捻度是 ，即Ttex= 相应的Z3、Z4取值分别是 。3、计算粗纱捻系数=三、设计速度1、前罗拉速度小组设计纱线 tex纱的折合单产：= （kg/千锭时）折合率、影响系数参见棉纺手册第11941195页表7-1-7与表7-1-8表7-1-7 棉纱折合29tex标准品单位产量折合率参考数值Tt(tex)折合率Tt(tex)折合率Tt(tex)折合率Tt(tex)折合率422.449211.574104.889380.7204.518.814221.468114.195400.679516.064231.388123.644420.6495.513.923241.301133.199440.626612.220251.224142.862480.5786.510.592261.16614.52.715500.55379.697281.043152.580520.5287.58.743291.000162.342580.47887.247300.960172.139640.4338.56.302320.889181.