ʻO ke kaʻina hana o ka paipu PTFE: PTFE, kōkua extrusion → hui ʻana → kaomi → hoʻomaloʻo → sintering → hoʻoluʻu → huahana
ʻO ke kaʻina hana hoʻoheheʻe o nā paipu PTFE e pili ana i ke ʻano pana, ke ʻano extrusion, ke ʻano hydraulic, ke ʻano welding, ke ʻano wili, a me nā mea ʻē aʻe.ʻO ka mea maʻamau, hoʻohana ʻia kahi resin PTFE i hoʻopuehu ʻia me ka nui o 500μm a me ka nui o 0.45gml ~ 0.55gml.No nā paipu anawaena li'ili'i, e ho'ohana i ka resin me ka ho'opi'i nui 'ana, a no nā paipu anawaena nui, e ho'ohana i ka resin me ka pu'upu'u li'ili'i.ʻO ka maʻamau ke koho ʻana i nā ʻuhane minerala 200 a me 260.Ka hana lua oPTFE paipuhiki ke hana i ka PTFE heat-shrinkable tubing, PTFE spiral tubing, PTFE hydraulic tubing, etc.
Hana ʻia ka paipu Polytetrafluoroethylene me ka polytetrafluoroethylene dispersed resin ma ka lumi wela me ka hoʻohana ʻana i ka mea hoʻoheheʻe organik e like me ke kōkua extrusion, a laila maloʻo a sintered.E like me ke anawaena paipu, hiki ke maheleia i elua ano: paipu ma'amau a me ka paipu micro.ʻO ke anawaena o loko o ka paipu maʻamau he 4mm, a ʻo ke anawaena o loko o ka pahu micro ʻoi aku ka liʻiliʻi a i ʻole like me 4mm.
ʻO ke kaʻina hana o ka paipu PTFE: PTFE, kōkua extrusion → hui ʻana → kaomi → hoʻomaloʻo → sintering → hoʻoluʻu → huahana.
ʻO nā paipu Polytetrafluoroethylene he ikaika mechanical maikaʻi.ʻO nā puʻupuʻu he mau kīʻaha pālahalaha, nā kīʻaha V-like, nā apo piston, nā pahu pahu pōlele, a me nā mea ʻē aʻe, i hana ʻia meNā lāʻau PTFE, nā paipu, a me nā papa ma ka hoʻohuli ʻana a i ʻole ka ʻoki ʻana i ka mīkini, ʻo ia ka corrosion resistant , Resistance and non-conductivity.
1. Hoʻohana maʻamau nā paipu Teflon i ke ʻano hana hoʻoheheʻe ʻia, a hiki ke hoʻohana ʻia ka plunger extrusion molding.Hiki ke hana ʻia ka resin i loaʻa ma ke ʻano polymerization dispersion ma ka hoʻopili ʻana i ka extrusion a me ka calendering.
2. Loaʻa i ka PTFE ka waiwai pH o 0-14 (koe wale nā metala alkali a me ka fluorine ma lalo o ke kiʻekiʻe kiʻekiʻe a me ke kaomi kiʻekiʻe), hiki ke loaʻa ka ikaika mechanical maikaʻi ma waena o 100 ° C a me 100 ° C.
3. ʻO nā kūlana kaʻina hana kikoʻī ʻo ia ke ʻano o ka preforming pressure me ke ʻano a me ka nui o ka huahana.Akā hoʻohana mau ʻia.ʻO 8-34.3MPa ka hoʻopili ʻana o Teflon braided, a ʻo ka resin me ka hoʻopihapiha ʻo 29.4-93MPa.No ka hulu hipa nui me ka mānoanoa ma kahi o 600mm ma ke kuhikuhi kaomi, aia nō ka manawa paʻa o 20-30min.E hoʻomanaʻo i ka emi ʻana o ka mahana ma mua o 185 ° C.E lilo ka paipu Teflon i palupalu.ʻO ka gasket PTFE maʻemaʻe kahi huahana hoʻopaʻa maʻemaʻe ʻaʻole e hoʻohaumia i kekahi mea e pili ana a hiki ke hoʻohana nui ʻia i ka meaʻai, ka lāʻau lapaʻau a me nā ʻoihana ʻē aʻe.
Ka manawa hoʻouna: ʻAukake-04-2020