Polyamide (PA) polymer ne mai ɗauke da ƙungiyoyin amide da aka maimaita akan babban sarkar.Sau da yawa ana kiransa Nylon, PA na ɗaya daga cikin robobin injiniya na farko da aka haɓaka kuma aka fi amfani da su.A cikin wannan labarin a yau,Qingdao Sainuozai kai ku sanin mahimman abubuwa goma na gyaran nailan.

pp yawadon Nylon modified

Abubuwan na musamman na nailan sun sanya shi amfani da shi sosai a cikin motoci, lantarki da kayan lantarki, tsarin injiniya, kayan wasanni, yadi da sauransu.Koyaya, tare da ƙarancin ƙarancin motoci, babban aikin lantarki da na'urorin lantarki, da haɓaka aiwatar da na'urori masu nauyi, buƙatun nailan da ayyukansa suna ƙaruwa sannu a hankali.Don haka gyaran nailan yana da matukar muhimmanci.
Abubuwan da ke buƙatar kulawa a gyaran nailan
1. Saitin zafin ganga
(1) Domin nailan polymer ne na crystalline, inda yake narkewa a fili yake.Yanayin zafin ganga na resin nailan a cikin gyaran allura yana da alaƙa da kaddarorin guduro, kayan aiki da siffar samfur.
(2) Yawan zafin jiki mai yawa yana da sauƙi don haifar da canjin launi, raguwa da waya ta azurfa, yayin da ƙananan zafin jiki ya sa kayan ya yi wuya kuma yana iya lalata mutuwa da dunƙule.
(3) Gabaɗaya, mafi ƙarancin narke zafin jiki na PA6 shine 220 ℃ da PA66 shine 250 ℃.Saboda rashin kwanciyar hankali na thermal na nailan, bai dace da zama a cikin ganga na dogon lokaci a babban zafin jiki ba, don kada ya haifar da launi da launin rawaya na kayan.Haka kuma, saboda kyawun ruwa na nailan, yana gudana cikin sauri lokacin da zafin jiki ya wuce wurin narkewa.
2. Mold zafin jiki saitin
(1) The mold zafin jiki yana da wani tasiri a kan crystallinity da gyare-gyare shrinkage.A mold zafin jiki jeri daga 80 ℃ zuwa 120 ℃.High mold zafin jiki, high crystallinity, ƙara lalacewa juriya, taurin, modulus na elasticity, rage ruwa sha, ƙara gyare-gyaren shrinkage, dace da lokacin farin ciki kayayyakin;
(2) Idan bangon kauri ya fi 3 mm, ana bada shawarar yin amfani da ƙananan zafin jiki tare da 20 ~ 40 ℃.Domin gilashin ƙarfafa kayan, da mold zafin jiki ya zama mafi girma fiye da 80 ℃.

3. Kaurin bango na samfurori
Matsakaicin tsayin nailan shine 150-200, kaurin bangon samfurin bai gaza 0.8mm ba, gabaɗaya 1-3.2mm, kuma raguwar samfurin yana da alaƙa da kauri na bangon samfurin.Girman kaurin bangon shine mafi girman raguwa.
4. Qarewa
Darajar resin nailan ya cika kusan 0.03mm, don haka ya kamata a sarrafa ramin ramin shayewa a ƙasa da 0.025.
5. Mai gudu da kofa
Diamita na ƙofa kada ta kasance ƙasa da 0.5T (t shine kauri na ɓangaren filastik).Tare da kofa mai nutsewa, ƙananan diamita na ƙofar ya kamata ya zama 0.75mm.
6. Gilashin fiber cika kewayon
A cikin aiwatar da gyare-gyaren nailan, rage yawan zafin jiki, ƙara matsa lamba na allura da rage yawan zafin jiki na kayan aiki zai rage raguwar nailan zuwa wani matsayi, ƙara yawan damuwa na ciki na samfurin kuma ya sauƙaƙe don lalata.Misali, raguwar PA66 shine 1.5% ~ 2%, raguwar PA6 shine 1% - 1.5%, kuma za'a iya rage raguwar zuwa kusan 0.3% bayan ƙara ƙarar fiber gilashi.
Kwarewar ƙwarewa tana gaya mana cewa ƙarin ƙarar fiber gilashin, ƙarami da raguwar gyare-gyaren resin nailan.Duk da haka, idan an ƙara fiber gilashin da yawa, zai haifar da fiber mai iyo a saman, rashin daidaituwa da sauran sakamako.Gabaɗaya, tasirin ƙara 30% yana da kyau.
7. Amfani da kayan da aka sake sarrafa su
Zai fi kyau kada a wuce sau uku don guje wa ɓarkewar samfurin ko kaifi na kaddarorin jiki da na inji.Ya kamata a sarrafa adadin aikace-aikacen a ƙasa da 25%, da yawa zai haifar da canjin yanayin tsari, kuma cakuda kayan da aka sake yin fa'ida da sabbin kayan dole ne a bushe.
8. Umarnin aminci
Lokacin da resin nailan ya tashi sama, yakamata a kunna zazzabin bututun ƙarfe da farko, sa'an nan kuma ya kamata a yi zafi a cikin ganga mai ciyarwa.Lokacin da aka toshe bututun ƙarfe, kada a fuskanci ramin fesa, don hana fitowar narkewar a cikin ganga mai ciyarwa ba zato ba tsammani, saboda tarin matsa lamba, wanda zai iya haifar da haɗari.

9. Aikace-aikacen wakili na saki
Yin amfani da ƙananan ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta na iya ingantawa da kuma kawar da kumfa da sauran lahani.Wakilin saki na samfuran nailan na iya zama zinc stearate da farin mai, ko gauraye cikin manna.Dole ne adadin ma'aunin sakin ya zama ƙanana kuma iri ɗaya don guje wa lahani a saman.Ya kamata a zubar da dunƙule lokacin da aka rufe na'urar don hana dunƙulewa daga karye yayin samarwa na gaba.

10. Bayan magani
(1) Ya kamata a kula da samfuran zafi bayan an kafa su
Hanyoyi na yau da kullun a cikin man ma'adinai, glycerin, paraffin ruwa da sauran babban wurin tafasa ruwa, zafin zafin zafin jiki ya kamata ya zama 10 ~ 20 ℃ sama da zafin amfani, kuma lokacin magani ya dogara da kauri na bangon samfurin.Kauri da ke ƙasa 3 mm shine 10 ~ 15 min, kauri shine 3 ~ 6 mm, kuma lokacin shine 15 ~ 30 min.samfurin bayan maganin zafi ya kamata a sanyaya a hankali zuwa zafin jiki, don hana sanyin kwatsam daga haifar da sake haifar da damuwa a cikin samfurin.
(2) Ya kamata a kula da samfuran tare da kula da zafi bayan gyare-gyare
Ana amfani da sarrafa danshi galibi don samfuran da ke da zafi mai yawa.Akwai hanyoyi guda biyu: daya shine sarrafa ruwan zafi;Sauran shine tsarin rigar potassium acetate aqueous bayani (rabo na potassium acetate zuwa ruwa shine 1.25: 1, ma'anar tafasa 121 ℃).
Ruwan tafasa yana da sauƙi, idan dai an sanya samfurin a cikin yanayin zafi na 65%, ta yadda zai iya kaiwa ma'auni na danshi, amma lokaci yana da tsawo.A lura zafin jiki na potassium acetate ruwa bayani ne 80 ~ 100 ℃, da kuma magani lokaci yafi dogara da samfurin bango kauri, lokacin da bango kauri ne 1.5mm, game da 2h, 3mm, 8h, 6mm, 16 ~ 18h.
Qingdao Sainuo Chemical Co., Ltd.Mu ne masana'anta don PE kakin zuma, PP kakin zuma, OPE kakin zuma, EVA kakin zuma, PEMA, EBS, Zinc / Calcium Stearate….Kayayyakin mu sun wuce REACH, ROHS, PAHS, gwajin FDA.
Sainuo rest assured wax, maraba da tambayar ku!
E-mail：sales@qdsainuo.com
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Adireshin: Daki 2702, Block B, Ginin Suning, Titin Jingkou, Gundumar Licang, Qingdao, China