Babban {{0} ensity takardar (hdpe) aka yi amfani da ita sosai a cikin sunadarai, masana'antu masana'antu saboda ingantaccen kwanciyar hankali, da kuma kayan maye, da kayan karewa. Koyaya, yanayin aikace-aikace daban-daban na aikace-aikace daban-daban na buƙatun aikin na kayan don takardar selective ne na HDPE, yin zaɓi da ya dace don tabbatar da ingancin aiki da tsawon rai. Wannan labarin ya tsara tsarin tsarin zabin kayan kwalliya daga abubuwa guda uku: Kayan abu na yau da kullun, da kuma yanayin aikace-aikace na aiki.
Ka'idodin asali da ƙa'idodin kayan kwalliya na kayan kwalliya
HDPE mai matukar farin ciki lu'ulu'u ne mai kwalliya tare da dens packely packed kwayoyi da yawa na yawanci daga 0.941 zuwa 0.965 g / cm³. Dangane da bambance-bambance a cikin matakai na samarwa, samfuran takardar kayan aiki na yau da kullun akan kasuwa a cikin lalata da matsawa {uku}} {{3} ed. Tsohon yana ba da fifiko madaidaici (haƙuri na 0.5mm) kuma ya dace da kayan aikin daidaitawa. Latterarshe na bayar da girma tasiri (tasiri tasiri karfi mafi girma ko daidai da 20 KJ / M²) kuma ya dace da batun aikace-aikace.
A cikin sharuddan aikin asali, babba -} Extence HDPE ya kamata ya sadu da alamun tabbacin:
1. Juriya na Masharshi 1: Idert ga mai ƙarfi acid kamar sulfuric acid da nitric acid a cikin maida hankali a kasa 80% na gama gari, da kuma hadadden kwayoyin halitta.
2. Jin yanayin damuwa na muhalli na duniya
3. Zazzabi mai zafi na zafi: Babu kasa da digiri 50 a ƙarƙashin nauyin 1.8 mpa, tabbatar da kwanciyar hankali daidai a ƙarƙashin yanayin aiki na yau da kullun.
Zabi na Maɓallin Ayyuka
(1) Ka'idodin Hankali
Domin aikace-aikacen aikace-aikacen suna ƙarƙashin ɗakunan ajiya mai nauyi ko ƙira mai yawa (kamar kayan aikin hakar ma'adinai), kayan da ke san juriya shine fifiko. Ta hanyar ƙara 2% - 4% on on {{8} 5)} 5} 5} 5} 5} 5)} 5)} 5) za a iya rage yawan ƙwayoyin ƙwayoyin cuta na 0.08-0.12 cm³ / 1.61 cm³ / 1.61 cm³ / 1.61 cm³ / Standar Wear (Astm D1044). Don aikace-aikacen tallafi na tsarin (kamar masu aikin ɗan lokaci), maki masu tsauri tare da ƙarfi na zamani sun fi girma 2500 da daidai da MPA 800.
(2) Ingantaccen Ingantaccen Muhalli
A cikin tsawo {{0 to 0} ajalin amfani a fili, UV tsufa shine yanayin kasuwar da aka samu. HDPE zanen gado tare da 2% -3% carbon baƙar fata mai baƙar fata na iya inganta juriya da yanayin yanayi ta hanyar sau 3-5 (Gwajin Quv hanzarta gwajin tsufa na nuna launi na ΔE<3 after 500 hours). For applications involving contact with food or pharmaceutical media, sanitary-grade resins that comply with FDA 21 CFR 177.1520 must be selected to ensure heavy metal migration is less than 0.1 ppm.
(3) Karancin aiki
A lokacin da haɗe zanen gado ta amfani da walda na zafi, an bada shawara don zaɓar matsakaici -}} {} spern rarar ruwa (mfr) na 0.1 {{7.3 g / mins 10 Wannan yana tabbatar da karfin hadin gwiwa (karfi karfi mafi girma fiye da ko daidai yake da kashi 85% na kayan iyaye) yayin guje wa nakasassu na wakoki. Don CNC yankan, sain-yankewa free-yankewa tare da MFR> 0.5 g / 10 min ana bada shawarar a kan rage kayan aiki.
Kayan aiki don yanayin aikace-aikace na yau da kullun
(1) Kariyar lalata
Don aikace-aikacen da aikace-aikacen da aka haɗa da tanki sun fallasa kafofin watsa labaru kamar hydrochloric acid da sodium fiber karfafa HDPE COMPOWE kayan aiki ne. Modulus na samari na iya kaiwa Mata 1200 MPA yayin da muke riƙe da kyawawan juriya na sunadarai (babu lalacewa bayan nutsewa a cikin 50% Naih don yin shekara 50% na shekara ɗaya).
(2) Tsarin kariya na inji
Don Tsarin Gida Trais Matsa Jagora, tsarin {0-} μm da Motocin Motoci tare da matsakaicin rawanin ƙasa ƙasa ko daidai da matsi na bakin teku d 60-70 an fi son matsakaiciyar ƙasa. Wannan ya shafi tasirin guntun ƙarfe da ya dace kuma yana hana sutura mai wuce gona da iri akan rufin tafiya.
(3) wuraren kare muhalli
Don tsarin rufewar kankara, takardar HDPEEIEight tare da yadudduka na 0.7 g / cm³ na iya rage isar da kaya 1% yayin da ke riƙe da karfin kaya- arin ɗaukar nauyi {2} upara ɗaukar nauyin kaya 1% yayin da ke riƙe da karfin kaya mafi girma ko daidai da 1.5 t / m²).
Zaɓin kayan aiki don takardar takardar hedpe shine tsari na daidai daidai da sigogin aikin kayan aiki tare da buƙatun aikace-aikace. A cikin aikin injiniya, abubuwa da yawa, kamar ƙarfin injiniya, dole ne a tabbatar da ingantaccen bayani sosai ta hanyar gwajin prototype. Tare da ci gaba cikin hadawa da fasahar canji, ingantacciyar takardar takardar zanen gado suna tuki aikace-aikacen sa cikin ƙarin buƙatun neman. Wannan yana buƙatar injiniyoyin kayan duniya don ci gaba da zurfafa fahimtar su na hanyoyin haɗin microstruchure da Macroscopic Properties.
