Tattaunawa game da manyan abubuwan da ke shafar tasirin kaddarorin marasa ƙarfi

Tattaunawa game da manyan abubuwan da ke shafar tasirin kaddarorin marasa ƙarfi

A cikin aikin samar da kayan mara nauyi, abubuwa daban-daban na iya shafar kaddarorin kayan samfuran.

Nazarin manyan abubuwan da suka shafi kayyakin masana'anta na taimakawa don sarrafa yanayin aikin daidai kuma sami kyakkyawan PP wanda ba shi da alaƙa tare da kyakkyawan ƙira don dacewa da damar abokan ciniki.

1.Polypropylene nau'in: narke index da kuma kwayoyin nauyi

Babban ingancin fihirisa na polypropylene abu ne kwayoyin nauyi, kwayoyin nauyi rarraba, isotacticity, narke index da ash abun ciki.
Masu samar da polypropylene suna cikin gaba na sarkar robobi, suna samar da albarkatun polypropylene akan matakai daban-daban da bayanai dalla-dalla.
Don yin spunbond nonwoven, polypropylene molecular nauyi yawanci a zangon 100,000-250,000. Koyaya, an tabbatar da cewa narkar da kayan yayi mafi kyau yayin da nauyin kwayar yakai kusan 120000. Matsakaicin saurin juyawa shima yayi yawa a wannan matakin.

Indexididdigar narke sigar siga ce da ke nuna alamun narkewar narkewa. Indexididdigar narkewar PP barbashi don spunbond yawanci tsakanin 10 da 50.

Indexaramin narkewar narkewa shine, mafi ƙarancin ruwa shine, ƙaramin rabo shine, kuma ya fi girman girman fiber wanda a ƙarƙashin yanayin irin narkarwar da aka samu daga spinneret, saboda haka mara nonovens yana nuna tsananin ji da hannu.
Idan narkewar bayanan ya fi girma, dankowar narkewar na raguwa, dukiyar rheological tana zuwa mafi kyawu, kuma juriya na tsara rubutu tana raguwa. Karkashin wannan yanayin aiki, yawan rubuce-rubuce na karuwa. Tare da karuwar yanayin daidaitawar macromolecules, za a inganta karfin karyewar wanda ba a sa shi ba, kuma za a rage girman zaren, kuma yadudduka zai ji da sauki. .

2. Zafin zafin jiki

Saitin zafin jiki mai juyawa ya dogara da ƙididdigar narkewar albarkatun ƙasa da buƙatun kayan kayyayyakin kayan samfuran. Mafi girman bayanin narkewar yana buƙatar yanayin zafin jiki mafi girma, kuma akasin haka. Zafin zafin da ke juyawa kai tsaye yana da alaƙa da narkewar danko. Saboda babban danko na narkewa, yana da wuya a juya, wanda ya haifar da karyewa, mai kauri ko yadin yarn mai nauyi, wanda ke shafar ingancin samfuran.

Sabili da haka, don rage danko na narkewar da haɓaka halayen rheological na narkewa, ƙarar zazzabi gabaɗaya an karɓa. Yanayin zafin jiki da ke juyawa yana da babban tasiri akan tsari da kaddarorin zaren.

Lokacin da zafin jiki mai juyawa ya zama mafi girma, ƙarfin karyewa ya fi girma, haɓakar haɓaka ƙarami ne, kuma masana'anta suna jin laushi.
A aikace, yawan zafin jiki mai juyawa yakan saita 220-230 ℃.

3. Yawan sanyayawa

A cikin tsarin samar da nonovens da aka yi wa spunbonded, yawan sanyaya na yadin yana da tasiri sosai a cikin kayan jikin wadanda ba su da yalwa.

Idan zare ya huce sannu a hankali, zai sami daidaitaccen tsarin kristal monoclinic, wanda ba zai dace da zaren ya zana ba. karye ƙarfi da rage tsawo daga spunbonded mara saka. Bugu da kari, nisan sanyaya na zaren shima yana da alaƙa ta kusa da kaddarorin sa. A yayin samar da yadudduka waɗanda ba a saka ba, nisan sanyaya gabaɗaya yana tsakanin 50 cm da 60 cm.

4. Yanayin Zane

Matsayin daidaiton sarkar kwayar halitta a cikin filament muhimmin al'amari ne wanda yake shafar lalacewar tsayayyen monofilament.
Za'a iya inganta daidaiton karfi da karyayyen dunkulen mara nauyi ta hanyar kara karfin iskar da ke tsotsa. Koyaya, idan tsotsewar iska tana da girma sosai, yana da sauƙi a fasa zaren, kuma daftarin yayi tsauri sosai, yanayin polymer yakan zama cikakke, kuma lu'ulu'u na polymer ya yi yawa, wanda zai rage strengtharfin tasiri da tsawo a hutu, da ƙara ƙwanƙwasawa, wanda ke haifar da raguwar ƙarfi da tsawo na masana'anta da ba saƙa. Ana iya gani cewa ƙarfi da tsawo na maraƙin da ba shi da ƙarfi yana ƙaruwa kuma yana raguwa a kai a kai tare da ƙaruwar iskar shaka. A cikin ainihin samarwa, aikin dole ne a daidaita shi bisa ga buƙatu da ainihin halin don samun samfuran inganci.

5. Zafin zazzabi mai zafi

Bayan yanar gizo da aka kafa ta zane, ya zama sako-sako kuma dole ne a haɗa shi ta hanyar juyawa da zafi. Mabuɗin shine don sarrafa zafin jiki da matsa lamba. Aikin dumama shine taushi da narkar da zaren. Matsakaicin laushin da aka yi laushi suna ƙayyade kaddarorin jiki na PP spunbond nonwoven fabric.

Lokacin da zafin jiki ya fara ƙasa sosai, ƙananan fayau ne kaɗan masu nauyin kwayar halitta suna laushi da narkewa, fiban filoli suna haɗuwa tare a ƙarƙashin matsi. tsawo yana da girma, kuma masana'anta suna jin laushi amma yana yiwuwa ya zama mai iska;

Lokacin da zafin zazzabin mirgine ya ƙaru, adadin laushi da narkar da zaren suna ƙaruwa, zaren yanar gizo na zaren an haɗa shi sosai, ba mai sauƙi ba zamewa. Thearfin karyewar kayan da ba a saka ba yana ƙaruwa, kuma tsawan yana da girma har yanzu. Bugu da ƙari, saboda ƙaƙƙarfan dangantaka tsakanin zaren, ƙwanƙwasawa yana ƙaruwa kaɗan;

Lokacin da yawan zafin jiki ya tashi sosai, karfin nonwovens zai fara raguwa, tsawan ma yana raguwa sosai, zaka ji masana'anta sun zama masu tauri da karyewa, sai karfin hawaye ya ragu. zafin da ake buƙata don laushi da narkewa, don haka zafin zafin zafin ya kamata ya zama ƙasa. Daidai, don abubuwa masu kauri, yanayin zafin zafin ya fi girma.

6. rollarfin matsar mai zafi

A cikin aikin haɗawa na mirgina zafi, aikin matsi mai laushi mai zafi shine sanya laushin laushi da narkewa a haɗe a haɗe, haɓaka haɗin kai tsakanin zaren, kuma sanya zaren ba sauƙin zamewa ba.

Lokacin da layin layin da aka birgima ya yi ƙasa kaɗan, ƙarancin zaren a maɓallin latsawa ba shi da kyau, saurin igiyar zaren ba shi da girma, kuma haɗin kai tsakanin zaren yana da kyau. A wannan lokacin, jin hannu na yadin da aka saka wanda ba a saka ba yana da ɗan taushi, tsawon lokacin hutu yana da girma, amma ƙarfin karyewa ba shi da ƙarfi;
akasin haka, lokacin da layin layin yayi karfi, jin hannu na yadin da ba a saka ba yana da wahala sosai, kuma tsawan lokacin hutu ba shi da ƙarfi Amma ƙarfin karyewa ya fi girma. Saitin matsin lamba mai zafi yana da alaƙa da yawa tare da nauyi da kaurin kayan da ba a saka da su ba. Domin samar da samfuran da suka dace da buƙatun aiwatarwa, ya zama dole a zaɓi matsi mirgina mai dacewa daidai da buƙatun.

A wata kalma, kayan jikin wadanda ba sakakken su ne sakamakon cudanya da abubuwa da yawa.Ko da kauri iri daya, amfani daban-daban na masana'anta na iya bukatar aiwatar da fasaha daban-daban. shirya samarwa tare da keɓaɓɓen dalili kuma samar da ƙaunataccen abokin ciniki mafi ƙarancin masana'anta.

Kamar yadda shekaru 17 kera, Fuzhou Heng Hua New Material Co., Ltd. suna da tabbacin samar da masana'anta bisa ga buƙatun abokan ciniki. Mun kasance muna fitarwa zuwa ƙasashe da yankuna daban-daban kuma masu amfani sun yaba mana sosai.

Maraba da tuntuɓar mu kuma fara haɗin gwiwa tare da Henghua Nonwoven!


Post lokaci: Apr-16-2021

Babban aikace-aikace

Babban hanyoyin yin amfani da yadudduka da ba a saƙa an ba su a ƙasa

products

Ba daɗaɗa don jaka ba

products

Ba daɗaɗawa don kayan daki ba

products

Ba mara da lafiya ba

products

Ba daɗaɗɗa don yadin gida ba

products

Ba tare da zane ba