Extrusion kaʻina o ka PTFE insulated uea

ʻO Ptfe kekahi o nā ʻano o ka fluorine plastic, hoʻohana ʻia no ka hoʻoponopono ʻana a me ka insulation layer, ma muli o ka ptfe i ka helu hoʻoheheʻe 327 ℃, a ʻoi aku ka kiʻekiʻe ma mua o ka helu hoʻoheheʻe 360 ​​℃ me ka hoʻohana ʻana i nā ʻano hana hoʻoheheʻe hoʻoheheʻe ʻana, ʻoi aku ka paʻakikī. ʻO ka hoʻomalu maikaʻi e pili ana i nā kumu he nui, inā ʻaʻole maikaʻi ka mana, hiki ke hana i ke kaʻina extrusion a ʻike paha i nā ʻano pilikia maikaʻi;I ka wā ʻaʻole i kūleʻa ka extrusion a me ka sintering, e hoʻoulu ʻia ka ʻāpana waiwai a i ʻole nā ​​​​mea ʻōpala āpau, pipiʻi ke kumu kūʻai o ptfe, no laila ua lilo ia i mea ʻino nui.

ʻO Ptfe kekahi o nā ʻano o ka fluorine plastic, hoʻohana ʻia no ka hoʻoponopono ʻana a me ka insulation layer, ma muli o ka ptfe i ka helu hoʻoheheʻe 327 ℃, a ʻoi aku ka kiʻekiʻe ma mua o ka helu hoʻoheheʻe 360 ​​℃ me ka hoʻohana ʻana i nā ʻano hana hoʻoheheʻe hoʻoheheʻe ʻana, ʻoi aku ka paʻakikī. ʻO ka hoʻomalu maikaʻi e pili ana i nā kumu he nui, inā ʻaʻole maikaʻi ka mana, hiki ke hana i ke kaʻina extrusion a ʻike paha i nā ʻano pilikia maikaʻi;I ka wā ʻaʻole i kūleʻa ka extrusion a me ka sintering, e hoʻoulu ʻia ka ʻāpana waiwai a i ʻole nā ​​​​mea ʻōpala āpau, pipiʻi ke kumu kūʻai o ptfe, no laila ua lilo ia i mea ʻino nui.No laila, pono e hoʻomalu i ke kaʻina hana extrusion o ptfe me ke kūpono, ākea a me ka maikaʻi, kahi kūlana kūpono e hōʻoia i ka maikaʻi o ka huahana a hoʻemi i ka ʻōpala.

Ma muli o ka noi a me ka hoʻomaʻamaʻa ʻana i nā mea ptfe i nā uwea uila a me ka ʻike pono, hāʻawi ka pepa i kahi ʻike pōkole o ka ptfe insulation extrusion kaʻina, me ka manaʻo e kōkua i nā ʻenehana hana e hana pololei i ke koho a me ka hoʻomalu i ke kaʻina extrusion ptfe.

Kaʻina hana ʻenehana:

1. kānana F4 pauka

ʻO ka pauka Ptfe ka pauka pauka ma hope o ka polymerization, palupalu, liʻiliʻi loa ka ikaika, i ka wā i loko o ka pahu pahu i mālama maʻalahi ʻia e ke kaumaha a i ʻole ka haʻalulu turbulence i ka hele ʻana i loko o ka pūpū, e hui pū ana i nā ʻano like ʻole, no laila ma mua o ka hui ʻana, pono e hoʻohana i kekahi mau kikoʻī o ka maka mesh e kānana. ʻO ka pauka ptfe, kānana i nā mea maloʻo hoʻomoʻa nui nui, nā kikoʻī o ka pale mesh ma 8 a me 12 mesh e aʻo ʻia.Inā koʻikoʻi ka agglomeration, pono e waiho ʻia ka pauka i kahi haʻahaʻa haʻahaʻa, ma hope o kahi manawa, inā hōʻike ka agglomeration i nā hōʻailona o ka wehe ʻana, a laila e nānā.Pono e mālama ʻia ka pauka ma kahi haʻahaʻa haʻahaʻa haʻahaʻa, a pono e mālama mālie ʻia i ke kaʻina hana, i mea e pale aku ai i ka agglomeration koʻikoʻi o ka pauka ptfe a ʻaʻole hiki ke hoʻohana ʻia.Eia kekahi, pono e hoʻomaʻemaʻe ʻia ka maʻemaʻe o ke kaiapuni a ʻaʻole pono e hui ʻia nā haumia a i ʻole ka lepo i loko o ka pauka ptfe.Ma muli o ka ikaika electrostatic adsorption o ka pauka ptfe, maʻalahi ke hoʻopili i ka ea a i ʻole nā ​​​​mea liʻiliʻi liʻiliʻi a me ka lepo a puni, no laila e hoʻomaʻemaʻe i ke kaiapuni me ka ʻole o ka lepo, pono e maʻemaʻe ka ʻili o ka pahu pahu ma mua o ka wehe ʻana i ka uhi.

2. Toner a i ʻole ka lāʻau pulp

I ka wā e pono ai ka insulation i ke kala no ka ʻike ʻana, pono e hoʻohui ʻia kekahi hapa o ka toner a i ʻole slurry i ka pauka ptfe.ʻO ka Toner ma hope o ka wili maikaʻi ʻana i ka pauka puaʻa a i ʻole nā ​​​​mea wela kiʻekiʻe, maʻalahi e hoʻomoʻi i ka makū, agglomeration, no laila e hoʻomaʻamaʻa mua ʻia, e hoʻoneʻe i ka wai, a me ka pale, kānana i nā ʻāpana nui.ʻO ka maʻamau, kūpono nā kikoʻī o ka pale mesh 180 a me 200.Inā ʻoi aku ka liʻiliʻi o ka pale pale ma mua o 180 mesh, a laila ʻoi aku ka nui o nā ʻāpana puaʻa ma hope o ka kānana ʻana, ʻaʻole kūpono i ka hana insulation o ka papa insulation.ʻOi aku ka nui o ka mesh ma mua o 200 mesh.ʻOiai ua hōʻoia ʻia ka hana insulation o ka papa insulation, paʻakikī ke kānana.ʻO ka pāpaʻi kala ka hui ʻana o ka toner a me ka wai ʻaila, toner i loko o ka ʻaila wai hoʻokuʻu ʻia, akā paʻa no kahi manawa e hoʻoheheʻe ʻia, no laila ma mua o ka hoʻohana ʻana e lulu ʻia a hui pū ʻia, i hoʻokuʻu ʻia nā ʻāpana toner precipitate i ka wai ʻaila no ka hoʻohana. .

3. ʻO nā meaʻai

He mea nui ka hoʻomākaukau ʻana ma mua o ka hui ʻana, e like me ka ratio o ka pauka polytetrafluoroethylene a me ke kōkua extrusion, a i ʻole ka pauka kala a i ʻole ka paʻi kala i mākaukau, ma hope o ka hui ʻana.

Nui aʻe nā ʻanoextruder, e like me Yan 20 aviation gasoline, toluene, petroleum ether, a i ʻole nā ​​​​ʻaila ʻē aʻe volatile solvent, organic solvent, etc., ʻokoʻa ka wikiwiki o ka extruder volatilization, e like me ke kūlana maoli o nā lako, extrusion wikiwiki e koho i ka extruder kūpono.ʻO ka mea kōkua extrusion volatilizes wikiwiki loa, ʻoiai hiki iā ia ke hoʻopōkole i ka manawa maloʻo a hoʻomaikaʻi i ka wikiwiki extrusion, pono ia i ka manawa hana koʻikoʻi no ka hoʻomākaukau ʻana ma mua o ka extrusion, a ʻaʻole lōʻihi ka manawa o ka hoʻomākaukau ʻana, inā ʻaʻole e lōʻihi ke kōkua extrusion o ka blank. ʻaʻole pono ma muli o ka nui o ka volatilization . He lohi loa ka Extruder i ka evaporate, a ʻoiai he lawa ka manawa hoʻomākaukau, pono e hoʻolōʻihi ʻia ka manawa maloʻo a i ʻole nā ​​koi kiʻekiʻe no ka hiki o nā mea hana.ʻO ka hapa o ka extruder he 18% a me 23%, a pono e hoʻoponopono ʻia e like me nā kikoʻī o ka conductor, insulation layer mānoanoa,extrusionka wikiwiki a me ke kaomi extrusion.ʻO ka mea maʻamau, ʻoi aku ka nui o ka uea kikoʻī, ʻoi aku ka mānoanoa o ka insulation, ʻoi aku ka wikiwiki o ka extrusion wikiwiki, ʻoi aku ka liʻiliʻi o ka hoʻoemi ʻana, hiki ke liʻiliʻi ka hapa o ka extruder;ʻO ka mea ʻē aʻe, ʻoi aku ka liʻiliʻi o ka uea kikoʻī, ʻoi aku ka lahilahi o ka mānoanoa insulation, ʻoi aku ka lohi o ka extrusion wikiwiki, ʻoi aku ka nui o ka hoʻoemi, ʻoi aku ka nui o ka extruder.

He emi ke kumu kūʻai o nā Toner a hoʻohana mau ʻia i kēia lā.Ke hoʻohana nei i nā puaʻa e kala, ʻo ka hoʻopuehu ʻana o ka PTFE i loko o ka toner e like me ka paʻi, ka toner a me ka pauka ptfe he maloʻo ka hui ʻana, a me nā mea hoʻohui toner a me ka liʻiliʻi liʻiliʻi, maʻalahi ke kumu o ka hui pū ʻana, ʻilihune ka dispersion, ʻaʻole maʻalahi e hui, e alakaʻi i ka chromatism koʻikoʻi. ʻāpana ʻokoʻa o ka insulation, no laila ʻoi aku ka liʻiliʻi o kona nui i ke koho ʻana i nā koi toner, ʻoi aku ka maikaʻi o ka toner i lawe ʻia mai.I ka hui pū ʻana o ka toner, pono e koho i ka ʻae ʻana o ka pauka puaʻa ma luna o 400 ℃, inā ʻaʻole ma hope o ka sintering wela kiʻekiʻe (ka mahana sintering maʻamau ma 350, 400 ℃) hiki ke ʻike ʻia ka mea e mae ana ka huahana.ʻO ka mea maʻamau, ʻoi aku ka maikaʻi o ka pale ʻana o nā puaʻa inorganic i ka wela kiʻekiʻe, ʻoiai ʻo nā puaʻa organik ʻaʻole maikaʻi ke kūpaʻa kiʻekiʻe.No laila, ʻoi aku ka hilinaʻi o ka hoʻohana ʻana i nā puaʻa inorganic e like me ka toner, akā maikaʻi ʻole kona palekana kaiapuni.ʻAʻole ʻoi aku ka nui o ka ratio like o ka toner ma mua o]%, i ka hana maoli e like me ke ʻano o ka toner, ka maikaʻi o ka toner, nā koi kala, ka mānoanoa o ka insulation layer, etc.

ʻOiai he kiʻekiʻe ke kumukūʻai o ka paʻi kala, kūpono ia i ka like ʻole o ka hui ʻana a he koho maikaʻi loa ia, hiki ke hōʻoia pono i ka maikaʻi o ka huahana, ka hana maʻalahi, ka hana kiʻekiʻe a me ka liʻiliʻi o ka ʻōpala.I ka hui ʻana i ka paʻi kala, hiki ke hoʻohui ʻia ka paʻi kala i ke kōkua extrusion a hoʻohui like ʻia.Ma muli o ka nui o ka extruder, pulu i hui pū ʻia me ka pauka ptfe, no laila ʻaʻohe pilikia o ka toner agglomeration, a maikaʻi loa ka dispersion, maʻalahi e hui like.Aia ma waena o 0.3% a me 0.5 ‰ ka nui o ka paʻi kala, me 3 ‰ ka hapa nui.He mau hihia kūikawā wale nō e koi i ka māhele o ka 0.5 ‰. Ke ʻano lahilahi ka mānoanoa o ka ʻaoʻao insulation, pono e hoʻonui ʻia ka nui o ka paʻi kala e 0.1%, 0.2.

4. ʻO ka hui

ʻO ka hui ʻana e hoʻohui i ka pauka polytetrafluoroethylene me ke kōkua extrusion, a i ʻole ka pauka kala a i ʻole ka paʻi kala like ʻole, e hōʻoia i ka lubrication insulation extrusion a me ke ʻano like ʻole.I mea e hoʻomaʻamaʻa ai i ka hui ʻana like ʻole, kūpono ka nui o ka ʻōmole hui ʻana (ka waha ākea) i ka 4, 5 lita, ʻo ka maikaʻi o ka hoʻouka ʻana ma kahi o 800, 1 000 g, ʻo ka nui o ka hoʻouka ʻana e pili ana i ka 2/3 o ka hue hui. maikaʻi ka leo, no laila ua lawa ka wahi no ka hui ʻana.

ʻAʻole pono e hoʻohui i ka toner ka hui kala maoli (hoʻohana nui ʻia e hoʻokuʻu i ka insulation o ke kelepona lekiō.I ka hui ʻana, e hoʻokomo mua i ka pauda ptfe i loko o ka hue hui.Hoʻohana ʻia i loko o ka hoʻāʻo ʻana i ka poʻe ʻaʻole e hoʻopili me ka hui ʻana i ka ʻōmole o ka pā o ka ʻōmole, i ke kanaka e ʻomi i ke kōkua i loaʻa i ka mea paʻahana maʻemaʻe e hui mālie i loko o ka ʻōmole i ke kikowaena o ka ʻili o ka ptfe pauda i ka pā o ka ʻōmole, e hana i kona kikowaena waena e hana i kahi. ka hohonu o kahi 2, 3 c o ka lua conical, a laila hoʻohana pono nā kānaka i kekahi mahele i ka lua taper;Ma hope o kēlā, e hoʻopaʻa ʻia ka hue hui ʻana a hoʻopaʻa paʻa ʻia e pale aku i ka extruder mai volatilizing.ʻO ka mua, e hoʻoluliluli ʻia ka ʻōmole hui ʻana a hui ʻia me ka lima no ka liʻiliʻi o 5 mau minuke, a laila e kau ʻia ka ʻōmole hui ʻana ma luna o ka mīkini hui e koli a ʻōwili ʻia no nā minuke 30 a hiki i ka hui ʻana.

5. Paʻa

ʻO ka hopena o ke kaomi ʻana i ka billet, ʻo ia ke kaomi ʻana i ka pauka polytetrafluoroethylene porous i loko o kahi billet mea paʻakikī, e hoʻopau ana i nā pores a me ka ea i loko o ia mea no ka hoʻohana extruding.ʻO ka mea maʻamau i loko o ke kaiapuni o 20 ℃ ma luna o ka paʻi paʻa, e hoʻomoʻi ʻia ka pauka homogenized i loko o ka puʻupuʻu puʻupuʻu puʻupuʻu, i ka manawa like e hōʻoia i ke koʻokoʻo puʻuwai a me ka puʻuwai puʻupuʻu concentric, a hoʻoluliluli mālie i ka pahu kaomi ili kino, a laila hoʻohui i ka uhi kaomi ma luna.Pono ke kaomi, ʻoi aku ka nui a i ʻole ka liʻiliʻi e pili i ka maikaʻi extrusion.Inā nui loa ke kaomi o ka blank, ua maʻalahi ka extruder, a ua hoʻemi ʻia ka hana lubrication i ka wā extrusion, ua hoʻonui ʻia ke kaomi extrusion, a ʻoi aku ka nui o ke koʻikoʻi o ka mea, e alakaʻi ana i ka fibrosis nui. ʻAʻole kūpono i ka paʻa o ke anawaena o waho o ka insulation extrusion, a ʻoi aku ka nui o ka shrinkage o ka insulation sintering, a he mea maʻalahi hoʻi e hana i ka insulation cracking.

6. E kaomi i waho

ʻO ka hana hoʻomākaukau no ka ptfe insulation extrusion ka mea nui e pili ana i ke koho ʻana i ka lakene kaomi, preheating a me ka hoʻomehana ʻana o ka cylinder extrusion a make, ka hoʻoponopono ʻana i ke āpau o ka nila ma waena o ka lima make a me ka make core, ka hoʻopiʻi ʻana i ka blank, ka nānā ʻana o ka conductor, ke kāʻei conductor, ka hoʻoponopono ʻana i ka ʻāʻī o ke kaula, ka hoʻopaʻa ʻana. o ka mīkini poʻo a me ka extrusion cylinder, etc., e hoʻolauna ʻia ma lalo nei.

ʻOkoʻa nō hoʻi ka lākiō hoʻopiʻi o nā ʻano like ʻole o ka pauka ptfe i ka wā extrusion.pono e hoʻoholo i ka lakio hoʻopiʻi kūpono e like me nā waiwai o ka pauka ptfe e hōʻoia i ka hana hana a me ka maikaʻi i ka wā extrusion.ʻO ka lākiō hoʻopiʻi extrusion e pili ana i ka ratio ma waena o ka annular area o ka extrusion die a me ka annular area o ka blank.ʻO ka maʻamau, ua māhele ʻia nā cylinders extruder i ʻekolu nui: liʻiliʻi, waena a me ka nui.ʻO ke anawaena o ka cylinder liʻiliʻi e pili ana i 38 mm, ʻo ka cylinder medium ma kahi o 50 mm, a ʻo ka cylinder nui e pili ana i 65 mm. I ka hana maoli, pono e koho ʻia nā kikoʻī o ka extruder cylinder e like me ka ʻāpana o ka ʻāpana extruder insulation layer.

I mea e mālama ai i kahi mahana paʻa o ka blank a hoʻomaʻamaʻa i ka volatilization o ka extruder ma hope o ka extrusion, pono e hoʻomaʻamaʻa pono ʻia ka extrusion cylinder a me ka mold.ʻO ka mahana wela o ka extrusion cylinder he 30 a i ʻole 40 ℃, a ʻo ka mahana preheating o ka mold he 50 a i ʻole 60 ℃.

Pono ka extrusion e like me nā kikoʻī o ka ʻāpana kūpono a e like me ka wahi o ka ʻaha, a me ka ʻāʻī lima lima e lawe ana i ka ʻāʻī a me ka paipu kui ma waena o ka mamao (gap) i ke kūlana kūpono.ʻO ka nui a i ʻole ka liʻiliʻi liʻiliʻi e hoʻopilikia i ka maikaʻi o ka papa insulation extruded.Inā he liʻiliʻi loa ke āpau, e hoʻonui ʻia ka wikiwiki o ka extrusion o nā mea ptfe i waho o ka mold, a e ʻoki nui ʻia ka mea, e alakaʻi ana i ka fibrosis nui, ka hopena o ka emi ʻana o ka ikaika transverse o ka papa insulation. huahana mea prone i ka longitudinal māwae a i loko o ka māwae o ka insulation, a me ka insulation a me conductor ka uhi 'aʻole paʻa (aia "he uhi wehe"). , piʻi ka piʻi ʻana o ke koʻikoʻi ma luna o ka conductor, hiki pinepine ka extrusion instability a i ʻole ke kumu o ka hoʻopili ʻana o ka conductor a hoʻopuka i ka pilikia "pine", a ʻaʻole hiki i ke alakaʻi ke hele i ke ʻano o ka nila.