Jiangsu Aokai New Materials, ƙwararrun masana'anta na PTFE da samfuran fluoroplastic, sun raba ka'idodin zaɓi na tef mai zafi mai zafi na PTFE don rushewa da al'amuran anti-stick akan kayan gyaran allura.
I. Zaɓin Tushen Zazzaɓi: Mayar da hankali kan Juriya na Zafi na Maɗaukaki da Maɗaukaki
Tef ɗin PTFE ya ƙunshi sassa biyu: substrate (gaba ɗaya masana'anta fiberglass mai rufi da PTFE) da mannen goyan baya. Matsakaicin manne yawanci shine ƙulli na aikin.
1. Ci gaba da aiki zafin jiki ≤ 260 ° C (General robobi & partial injiniya robobi)
Abubuwan da ake amfani da su: PE, PP, PS, ABS, PVC mai laushi, EVA, da PA, PBT da sauran kayan da aka sarrafa a ƙananan zafin jiki. Zaɓin da aka ba da shawarar: Madaidaicin fiberglass-ƙarfafa tef ɗin PTFE tare da mannen matsi na silicone (PSA). Kauri da aka ba da shawarar: 0.13 mm ko 0.18 mm, daidaita daidaituwa da dorewar sabis. Mahimmin bayanin kula: Wannan shine mafi kyawun kewayon aiki don tef ɗin PTFE, yana nuna kyakkyawan kwanciyar hankali na sinadarai da aikin sakin.
2. Ci gaba da aiki zafin jiki 260 ° C ~ 300 ° C (High-zazzabi injiniya robobi)
Abubuwan da ake amfani da su: PC, PA66, POM, PET, PPA mai zafi mai zafi, PPO da aka gyara da sauran nau'ikan allura masu zafin jiki. Zaɓin da aka ba da shawarar: Fiberglass PTFE tef ɗin da aka ƙirƙira tare da mannen silicone mai zafi mai zafi. Adhesive silicone na yau da kullun zai tsufa da sauri, ya rasa ƙarfin hali kuma ya bar ragowar ƙarƙashin wannan kewayon zafin jiki. Shawarwari kauri: 0.18 mm ko 0.25 mm. Manne mai kauri da yadudduka na ƙasa suna isar da mafi kyawun buffer thermal da juriya. Tabbatarwa mai mahimmanci: Ƙayyade tsarin mannewa tare da tsayin daka na zafin jiki sama da 280 ° C ga masu kaya, kuma tabbatar da ko manne zai gurɓata gyare-gyare a ƙarƙashin zafi mai zafi.
3. Zazzabi kololuwar kai tsaye 300°C ~ 400°C ( robobi masu zafi na musamman ko wuraren zafi na gida)
Abubuwan da ake amfani da su: PEEK, LCP, PPS, PEI, galibi ana samun su a kusa da nozzles masu gudu masu zafi da kuma fitar da kawunansu. Gargadi na zaɓi: Babu abin dogaro mai matsi mai iya jure wannan kewayon zafin jiki. Duk wani tef ɗin PTFE mai goyon bayan mannewa zai gaza nan take, carbonize da gurɓata samfuran da aka gama. Madadin mafita:
1. masana'anta fiberglass na PTFE mara mannewa, an gyara shi ta hanyar injina ta hanyar firam ɗin ƙwanƙwasa, tsiri ko adhesives masu zafi mai zafi (manufofin da ba su da matsi kamar su silicone sealants).
2. Fusible cikakken fluorinated PFA fim tef, haɗe zuwa mold saman ta hanyar zafi iska waldi. Yana jure ci gaba da zafin jiki na 260°C da ɗan gajeren lokaci 300°C, duk da haka ba za a iya maye gurbinsa da sassauƙa kamar tef ɗin manne kai ba. Ingantattun shawarwarin madadin: Don irin wannan yanayin zafi mai zafi, an fi ba da shawarar gyare-gyare na PTFE ko nano yumbu mai juriya mai zafi.
II. Zaɓin Tushen Dukiya: Match Wear Resistance, Juriya na Lalata da Buƙatun Saki
Kaddarorin jiki da sinadarai na narkakkar filastik suna ƙayyade aikin da ake buƙata na saman da ƙarfin tsarin tef ɗin.
1. Sosai tacky / mold-sauyi kayan
Abubuwan wakilci: Eva, zafi mai narkewa, TPE, TPU, wasu ingantattun maki PP. Maɓallin maɓalli na zaɓi: Zaɓi tef ɗin fitarwa mai girma tare da babban abun ciki na PTFE da babban shafi. Ba da fifikon tef ɗin fim ɗin PTFE mai tsabta (ba tare da ƙarfafa fiberglass ba, ƙarancin ƙarfi mai ƙarfi, kawai dace da wuraren da ba su da ƙarfi) ko tef ɗin fiberglass ɗin PTFE mai cikakken ciki. Fuskokin da ke kusa da PTFE mai tsabta suna ba da ingantaccen aikin rigakafin sanda.
2. Gilashin fiber / ma'adinan da aka cika abubuwan ƙarfafawa
Abubuwan wakilci: Gilashin fiber ƙarfafa PA, PP, PBT, calcium carbonate cika PP. Tsarin sawa: Narkewar ruwa yana aiki kamar takarda mai yashi, da sauri yana lalata suturar PTFE na yau da kullun; fallasa fiberglass substrate zai haifar da lahani na mannewa. Maɓalli masu mahimmanci:
1. fifikon kauri: Zaɓi tef mai juriya mai nauyi na 0.25 mm ko mafi kauri.
2. Ƙarfafa tsarin: Zaɓi samfura tare da murfin PTFE mai yawa-Layer ko jiyya mai taurin ƙasa maimakon murfin bakin ciki ɗaya.
3. Dabarun maye gurbin: Yi amfani da tef azaman abin amfani na yau da kullun don irin waɗannan yanayin aiki, da kuma kafa bincike na lokaci-lokaci da zagayowar maye maimakon bin rayuwar sabis na dindindin.
3. Kayayyaki tare da abubuwan da ke lalata ko haɓakawa
Abubuwan wakilci: PVC mai wuya (yana sakewa HCl), mahadi masu ɗaukar wuta (brominated, hazo na tushen harshen wuta na tushen phosphorus), kayan aikin sarrafa fluorinated. Yanayin gazawa: Hazo yana lalata manne Layer ko shiga cikin abin da ke haifar da blister na tef da lalata.
1. Juriya na sinadarai na m: Tabbatar cewa adhesive silicone yana da isasshen rashin ƙarfi a kan raunin acid, robobi da sauran hazo.
2. Matsakaicin maɗaukaki: Zaɓi tef tare da fiberglass ɗin da aka saka tam da cikakkar rufewar PTFE don hana shigar da iskar gas/ruwa wanda ke lalata mannen goyan baya.
3. Haɓaka haɓakar iska: Haɗa cirewar injin ƙira ko ƙarin ramukan huɗa idan ya cancanta don rage tarin hazo a madaidaicin tef daga tushen.
4. Kayan aiki masu mahimmanci
Halin yanayi na yau da kullun: Kayan kayan lantarki na allura, extrusion fim mai girma na PP. Zaɓin da aka ba da shawarar: Tef ɗin PTFE mai karewa (baƙar tef PTFE mai rufi tare da baƙar fata na carbon ko na musamman na anti-static) don guje wa tallan ƙura da haɗarin fitarwa na lantarki.
III. Daidaitawa Dangane da Kayan aiki da Yanayin Aikace-aikace
1. allura mold rushewa
Cavities, sliders da lifters: Ana yawan amfani da tef zuwa wuraren mannewa. Ana buƙatar tef ɗin 0.13 mm mai bakin ciki tare da haɓaka mai kyau don dacewa da hadaddun filaye masu lankwasa. Guji fil masu fitar da wuta da ramummuka; Yi taka tsantsan don daidaitattun sassa kamar yadda kauri na tef zai canza juriyar girman samfur. Zafafan faranti mai zafi da bututun bututun ƙarfe: Ana amfani da yanayin zafi sosai a nan; kyallen PTFE da ba ta da manne da injina kawai za a iya amfani da ita don hana mannewar walƙiya. An haramta tef ɗin manne kai.
2. Extruders da kayan aiki na ƙasa
Extrusion mutu leɓe / kantuna: Hana narke tarawa da kirtani a tashar fitarwa. Zaɓi tef mai ɗaukar nauyi mai bakin ciki (0.08 mm-0.13 mm) don guje wa canza madaidaicin madaidaicin mutun. Ku nade tef ɗin daga gaba zuwa ƙarshen fuskar kanti don rage narkewar shiga cikin gidajen cinya. Samfurin Pelletizer: An fallasa kai tsaye zuwa ga narkar da zafi mai zafi da abrasion fiber gilashi. Tef mai nauyi na 0.25 mm ko sama ya zama tilas, kuma ana sarrafa shi azaman abin amfani na yau da kullun. Fim ɗin jujjuyawar ɗimbin ɗimbin ɗimbin ɗimbin ɗimbin ɗimbin ɗimbin ɗimbin jan hankali: Anti-stick da sauƙin tsaftacewa. Tef ɗin PTFE mai goyan bayan silicone ana iya naɗe shi a kusa da rollers, ko kuma ana iya ɗaukar hannayen riga na fiberglass na PTFE mara ɗaure. Tabbatar da juriyar zafin tef ɗin yayi daidai da yanayin zafin nadi idan dumama ya shiga.
Idan kuna son samun cikakkun bayanai dalla-dalla, yanayin aikace-aikacen da keɓaɓɓen mafita don cikakken fayil ɗin samfuranmu gami da PTFE babban zane mai zafin jiki, PTFE babban zafin jiki m tef, PTFE high-zazzabi raga bel, m zafi latsa bel, guda-gefe PTFE masana'anta, high-zazzabi-resistant fiber lamba mana, da zafi mai jure lamba bel da zafi mai zafi da ke ƙasa.
Kullum muna bin falsafar sabis na ƙwararru da mutunci, da zuciya ɗaya muna ba da mafita ta masana'antu ta tsaya ɗaya da sabis na abokin ciniki mai tunani ga duk abokan tarayya!
