- Dongguan NHF Machinery Co., Ltd.
- francesgu1225@hotmail.com
- +8618689452274
1. Kafin fara na'ura, ya zama dole don duba ko wutar lantarki na injin foda ya dace da wutar lantarki na soket ɗin extruder.Sai bayan tabbatar da cewa babu kurakurai za a iya shigar da wutar lantarki.
2. Bayan an kunna mai ba da foda, nan da nan duba tsarin juyawa da tsarin dumama.Bayan tabbatar da cewa babu kurakurai, kunna wutar dumama wuta da kuma bushe talc foda a zazzabi na 150 ℃ (kammala 1.5 hours kafin extrusion).Minti 30 kafin samarwa, rage yawan zafin jiki zuwa kewayon 60 + 20/-10 ℃ a zazzabi na yau da kullun don amfani.
3. Shirya isasshen talcum foda kafin samarwa.Adadin talcum foda ya kamata ya zama 70% -90% na ƙarfin injin wucewar foda.Yayin samarwa, duba ko adadin talcum foda ya wadatar akalla sau ɗaya a sa'a, kuma ƙara shi da sauri idan bai isa ba.
4. A lokacin samarwa, yana da mahimmanci don tabbatar da cewa waya ta wuce ta tsakiyar kowane jagorar jagorar mai ciyar da foda don guje wa ƙarancin foda mara kyau wanda ya haifar da girgiza samfurin da aka gama.
5. Selection na extruded ciki mold for foda mai rufi waya: Girman shi da 0.05-0.2M / M bisa ga saba misali (kamar yadda foda shafi zai shagaltar da wani rata, da kuma karamin ciki mold iya haifar da matalauta bayyanar da sauki waya karye).
1. Rashin kwasfa:
a.Foda kadan kadan, garin talcum bai bushe gaba daya ba, kuma ana bukatar a zuba isasshiyar busasshiyar talcum.
b.Idan nisa tsakanin gyare-gyaren ciki da na waje ya yi nisa sosai kuma fitowar ta yi yawa sosai, wajibi ne a rage nisa tsakanin kayan ciki da na waje.
n.Matsakaicin diamita na ƙayyadaddun ƙayyadaddun samfurin da aka gama ya yi ƙanƙara don a sauƙaƙe foda: stranding da extrusion ana bi da su tare da adadin da ya dace na wakili na saki kafin a yi foda.
2. Lalacewar bayyanar da foda mai yawa ke haifarwa:
a.Talcum foda yana tarawa da yawa a cikin bututun ƙirƙira na ciki, yana hana aiki mai santsi na samfuran da aka gama da su kuma yana haifar da bayyanar mara kyau.Wajibi ne a yi amfani da bindigar iska don busa foda talcum a cikin bututun ƙirƙira na ciki
b.Lokacin da goga bai goge ƙurar talcum ɗin da ya wuce kima ba, samfurin da aka gama ya kamata a sanya shi a tsakiyar goga ta yadda goga zai iya cire ƙurar talcum.
c.Tsarin ciki ya yi ƙanƙanta: Saboda mafi girma da amfani da foda waya na ciki mold idan aka kwatanta da foda waya (na wannan ƙayyadaddun), yana da sauki a zabi wani ciki mold tare da pore size 0.05-0.2M/M girma fiye da. saba a lokacin samarwa
3. Manne waya mai mahimmanci:
a.Rashin isasshen sanyaya: Layi na waje na layin foda yana da kauri gabaɗaya, kuma saboda rashin isasshen sanyaya yayin samarwa, yana da sauƙi don haifar da mannewar waya.Yayin samarwa, kowane sashe na tankin ruwa ya kamata ya kula da isasshen ruwan sanyi don samun isasshen sanyaya
b.PVC da aka keɓe yana narkewa a yanayin zafi mai zafi, yana haifar da mannewar waya mai mahimmanci: ana fitar da waya mai mahimmanci, kuma ana amfani da adadin da ya dace na wakili a lokacin stranding.Kafin a fitar da shi, ana amfani da abin da aka saki kafin a yi masa foda, ko kuma lokacin da ake fitar da shi, ana inganta madaidaicin ta hanyar yin foda.
