純棉普梳紡紗工藝設(shè)計(jì)

14.5tex×14.5tex純棉普梳紡紗工藝設(shè)計(jì)一、紡部產(chǎn)品及規(guī)模紡部產(chǎn)品種類和用途種類：14.5tex×14.5tex純棉紡紗純棉直貢細(xì)紗機(jī)配備臺(tái)數(shù)及原料用量細(xì)紗機(jī)配備臺(tái)數(shù)總產(chǎn)量〔kg/h〕14.550302.1514.529174.0922.5h7875h二、紡紗工藝流程：FA006C型往復(fù)式抓棉機(jī)〔抓包機(jī)〕TF27型橋式吸鐵→A045B型凝棉器及→FA103型雙軸流開棉機(jī)→FA208型六倉混棉機(jī)→FA109型三輥筒清棉機(jī)→FA151型除微塵機(jī)→FA177A型清梳聯(lián)喂棉箱→FA221B型梳棉機(jī)→FA327型頭道并條機(jī)→FA327型二道并條機(jī)→FA458A型粗紗機(jī)→FA506型細(xì)紗機(jī)三、紡部機(jī)器工藝參數(shù)及配備計(jì)算1.線密度各工序半成品和細(xì)紗的線密度機(jī)型工序FA221B梳棉FA327頭道并條FA327FA458A粗紗FA506細(xì)紗線密度〔tex〕35003000300035014.52.各工序并和數(shù)梳棉頭并二并粗紗細(xì)紗〔經(jīng)〕細(xì)紗〔緯〕1661113.牽伸計(jì)算：某工序牽伸倍數(shù)=上工序半成品線密度×本工序并合數(shù)/本工序半制品線密度4..〔mmmm〕5.捻系數(shù)選擇依據(jù)纖維長度、紗條定量及細(xì)紗用途，選定粗紗、細(xì)紗的捻系數(shù)aa95a380a3406.捻度計(jì)算tNt捻度TtNtt

捻/10cm350粗紗捻度=95 5.08捻/10cm35014.5細(xì)紗捻度(經(jīng))=380 99.79捻/10cm14.514.5細(xì)紗捻度〔緯〕=340 89.29捻/10cm14.57.錠速計(jì)算粗紗經(jīng)紗和粗紗緯紗的錠速均取1000r/min細(xì)紗機(jī)擬選錠速n。= 折合單產(chǎn)×捻度×1000×1060紗線線密度折合率影響系數(shù)×?xí)r間效率38kg/千錠.h，折合率：經(jīng)紗：2.862+〔1.963-2.862〕/8×1=2.7496；緯紗：2.862+〔1.963-2.862〕/8×1=2.7496影響系數(shù)：純棉普梳為11.02×1.02=1.04故總影響系數(shù)為1.0496%

38×99.79×1000×1060×14.5×2.7496×1.04×96%

15877r/min38×89.29×1000×10 14207r/min細(xì)紗機(jī)擬選錠速〔緯〕=6014.52.74961.040.9660紗線線密度折合率影響系數(shù)×?xí)r間效率錠速細(xì)紗機(jī)的折合單產(chǎn)=

捻度×1000×106014.52.74961.040.961600038.3kg/千錠.h99.79×1000×106014.52.74961.040.961450038.8kg/千錠.h89.29×1000×10千錠.h8.前羅拉速度計(jì)算

n1000100010001000105.0828223.90r/min10Tt

d0n(r/min)；sT(t/10cm)；t0細(xì)紗前羅拉轉(zhuǎn)速(經(jīng)〕=

n1000s10Tt

d(1s%)0 160001000 187.25 r/min1099.7925-2.61%〕n1000s細(xì)紗前羅拉轉(zhuǎn)速(緯〕=s10Tt

d(1s%)0 145001000 188.74 r/min1089.29251-2.14〕n(r/min)；sT(t/10cm)；td(25mm)；0s%——捻縮率紡部各工序產(chǎn)量計(jì)算1〕梳棉(706mm)；(r/min)；E——〔1.45-1.51.23；Nt——生條特?cái)?shù)棉：梳棉機(jī)理論生產(chǎn)量〔經(jīng)〕GL梳棉機(jī)理論生產(chǎn)量〔緯〕GL

60πdnNtE=100010001000 (kg/臺(tái)·h)607064535001.531.42kg/臺(tái)h10001000100060πdnNtE=100010001000 (kg/臺(tái)·h)607064535001.531.42kg/臺(tái)h100010001000梳棉機(jī)定額產(chǎn)量〔經(jīng)=31.42×90%=28.28kg/臺(tái)h緯=31.42×90%=28.28kg/臺(tái)h2〕并條

60VNt(kg/眼·h)L10001000V——前羅拉線速度(m/min)；Nt——并條特?cái)?shù)。

60300300054kg/眼h10001000

603003000100010006030030001000100060300300010001000

54kg/眼h54kg/眼h54kg/眼h并條定額產(chǎn)量〔80%：頭并條定額產(chǎn)量〔經(jīng)〕=54×80%=43.2kg/眼h頭并條定額產(chǎn)量〔緯〕=54×80%=43.2kg/眼h二并條定額產(chǎn)量〔經(jīng)〕=54×80%=43.2kg/眼h二并條定額產(chǎn)量〔緯〕=54×80%=43.2kg/眼h3〕粗紗

60nNs t10Tt

10001000式中：n——粗紗錠子轉(zhuǎn)速(r/min)；sNtT(t/10cm)。t

60650350105.0810001000

0.27kg/錠?h粗紗機(jī)定額產(chǎn)量〔時(shí)間效率取75%〕粗紗機(jī)定額產(chǎn)量=0.27×75%=0.20 kg/錠·h4〕細(xì)紗st細(xì)紗機(jī)理論產(chǎn)量= 60nNst

kg/錠·h10Tt

10001000n(r/min)；sNtT(t/10cm)t

601600014.51099.7910001000

0.0139kg/錠h

601450014.5 0.0141kg/錠h1089.2910001000細(xì)紗機(jī)定額產(chǎn)量〔時(shí)間效率取96%〕細(xì)紗機(jī)定額產(chǎn)量〔經(jīng)〕=0.0139×96%=0.013kg/錠·h細(xì)紗機(jī)定額產(chǎn)量〔緯〕=0.0141×96%=0.013 kg/錠·h紡部各工序總產(chǎn)量1〕消耗率及打算停臺(tái)率的選擇如下表工序梳棉頭并二并粗紗細(xì)紗〔%〕103102102101.5100打算停臺(tái)率〔%〕65553各工序總產(chǎn)量＝細(xì)紗總產(chǎn)量本工序消耗率細(xì)紗〔經(jīng)〕的總產(chǎn)量為：302.15kg/h，細(xì)紗〔緯〕的總產(chǎn)量為174.09kg/h粗紗〔經(jīng)〕總產(chǎn)量=302.15101.5%=306.68kg/h粗紗〔緯〕總產(chǎn)量=174.09101.5%=176.70kg/h二并〔經(jīng)〕總產(chǎn)量=302.15102%=308.19kg/h二并〔緯〕總產(chǎn)量=174.09102%=177.57kg/h頭并〔經(jīng)〕總產(chǎn)量=302.15102%=308.19kg/h頭并〔緯〕總產(chǎn)量=174.09102%=177.57kg/h梳棉〔經(jīng)〕總產(chǎn)量=302.15103%=311.21kg/h梳棉〔緯〕總產(chǎn)量=174.09103%=179.83kg/h11.紡部各工序定額機(jī)器數(shù)及計(jì)算機(jī)器數(shù)某工序定額機(jī)器臺(tái)數(shù)〔眼、錠、臺(tái)〕＝ 本工序總產(chǎn)量本工序每臺(tái)〔錠、眼〕定額產(chǎn)量某工序計(jì)算機(jī)器臺(tái)數(shù)＝本工序定額機(jī)器數(shù)1－打算停臺(tái)率梳棉梳棉機(jī)定額臺(tái)數(shù)〔經(jīng)〕=311.21/28.28=11臺(tái)梳棉機(jī)計(jì)算臺(tái)數(shù)〔經(jīng)〕=11/(1-6%)=11.71臺(tái) 梳棉機(jī)定額臺(tái)數(shù)〔緯〕=179.83/28.28=6.36臺(tái)梳棉機(jī)計(jì)算臺(tái)數(shù)〔緯〕=6.36/(1-6%)=6.76臺(tái) 共計(jì)： 19臺(tái)頭并條頭并條機(jī)定額眼數(shù)〔經(jīng)〕=308.19/43.2=7.13眼42/臺(tái)=8頭并條機(jī)定額眼數(shù)〔緯〕=177.57/43.2=4.11眼取3臺(tái)2眼/臺(tái)=6眼共計(jì)： 7臺(tái)2眼/臺(tái)=14眼二并條二并條機(jī)定額眼數(shù)〔經(jīng)〕=308.19/43.2=7.13眼42/臺(tái)=8二并條機(jī)定額眼數(shù)〔緯〕=177.57/43.2=4.11眼取3臺(tái)2眼/臺(tái)=6眼共計(jì)： 7臺(tái)2眼/臺(tái)=14眼粗紗粗紗機(jī)定額錠數(shù)〔經(jīng)〕=306.68/0.20=1533.4錠粗紗機(jī)計(jì)算錠數(shù)〔經(jīng)〕=4552.11/(1-5%)=1614.11錠 取14臺(tái)120錠/臺(tái)=1680錠粗紗機(jī)定額錠數(shù)〔緯〕=176.70/0.20=883.5錠粗紗機(jī)計(jì)算錠數(shù)〔緯〕=883.5/(1-5%)=930錠 取8臺(tái)120錠/臺(tái)=960錠共計(jì)：