Labarai

Yadda ake gane daidai da zaɓi tsakanin PA6 da PA66 da aka gyara (Sashe na 2)?

Batu na 5: Yadda Ake Zaba Tsakanin PA6 da PA66?

Lokacin da juriya mai zafi sama da 187°C ba a buƙata, zaɓi PA6+GF, saboda yana da mafi tsada-tasiri da sauƙin sarrafawa.
Don aikace-aikacen da ke buƙatar juriya mai zafi, yi amfani da PA66+GF.
HDT (zazzabi na katse zafi) na PA66+30GF shine 250°C, yayin da na PA6+30GF shine 220°C.

PA6 yana da sinadarai da kaddarorin jiki kama da PA66, amma yana da ƙaramin narkewa da kewayon zafin sarrafawa. Yana ba da mafi kyawun juriya da juriya mai ƙarfi fiye da PA66 amma yana da mafi girman ɗaukar danshi. Tun da yawancin halaye masu kyau na sassan filastik suna shafar shayar da danshi, wannan yakamata a yi la'akari da shi a hankali lokacin zayyana samfuran tare da PA6.

Don tabbatar da kaddarorin inji na PA6, ana ƙara gyare-gyare daban-daban sau da yawa. Fiber gilashi abu ne na gama-gari, kuma ana iya haɗa robar roba don haɓaka juriyar tasiri.

Don PA6 mara ƙarfi, ƙimar ragewa tsakanin 1% da 1.5%. Ƙara fiber gilashin zai iya rage raguwa zuwa 0.3% (ko da yake dan kadan mafi girma a cikin shugabanci daidai da gudana). Matsakaicin raguwa na ƙarshe yana tasiri sosai ta hanyar crystallinity da ɗaukar danshi.

Batu na 6: Bambance-bambance a Tsare-tsaren Gyaran allura na PA6 da PA66

1. Maganin bushewa:

PA6 yana ɗaukar danshi cikin sauƙi, don haka bushewa kafin aiwatarwa yana da mahimmanci.
- Idan an kawo kayan a cikin marufi mai hana danshi, ajiye akwati a rufe.
- Idan abun ciki na danshi ya wuce 0.2%, bushe shi a cikin iska mai zafi a 80 ° C ko sama don 3-4 hours.
- Idan an fallasa iska sama da sa'o'i 8, ana ba da shawarar bushewa a 105 ° C na awanni 1-2.
- Ana ba da shawarar na'urar bushewa.
PA66 baya buƙatar bushewa idan an rufe kayan kafin sarrafawa.
- Idan an buɗe kwandon ajiya, bushe shi cikin iska mai zafi a 85 ° C.
- Idan abun ciki na danshi ya wuce 0.2%, bushewar bushewa a 105 ° C na awanni 1-2 ya zama dole.
- Ana ba da shawarar na'urar bushewa.