Ma ka hoʻohālikelike ʻana i ka hana o PTFE a me nā plastics ʻē aʻe, hōʻike kēia ʻatikala i nā pilikia i ka hoʻohana ʻana o PTFE i ka ʻenekinia mechanical a hoʻolauna i ka PTFE i hoʻololi ʻia i hoʻopiha ʻia i nā ala alakaʻi sliding, nā ʻāpana friction, nā sila, nā ʻāpana anti-corrosive, nā mea hana, nā mīkini mahiʻai. nā mea, a me nā noi ʻē aʻe, a me nā manaʻo no nā noi mīkini hou.Ma ka hoʻohālikelike ʻana i ka hana o PTFE a me nā plastics ʻē aʻe, hōʻike kēia ʻatikala i nā pilikia i ka hoʻohana ʻana o PTFE i ka ʻenekinia mechanical a hoʻolauna i ka PTFE i hoʻololi ʻia i hoʻopiha ʻia i nā ala alakaʻi sliding, nā ʻāpana friction, nā sila, nā ʻāpana anti-corrosive, nā mea hana, nā mīkini mahiʻai. nā mea, a me nā noi ʻē aʻe, a me nā manaʻo no nā noi mīkini hou.

Ma ka hoʻohālikelike ʻana i ka hana o PTFE a me nā plastics ʻē aʻe, hōʻike kēia ʻatikala i nā pilikia i ka hoʻohana ʻana o PTFE i ka ʻenekinia mechanical a hoʻolauna i kaPTFE hoʻololihoʻopiha ʻia i nā ala alakaʻi sliding, nā ʻāpana friction, nā sila, nā ʻāpana anti-corrosive, nā mea hana, nā mea mīkini mahiʻai, a me nā noi ʻē aʻe, a me nā manaʻo no nā noi mīkini hou.

Ua hoʻokumu mua ʻia ka PTFE resin e ka ʻAmelika chemist ʻo Dr. Plunket i ka makahiki 1938, a ua hoʻokō ʻia ka hana ʻenehana ma waho i nā makahiki 1950.Ua hoʻokomo ʻia koʻu ʻāina i ka hana i nā makahiki 1960.ʻIke ʻia ʻo PTFE ma ke ʻano he "King of Plastics", a ua hoʻohana nui ʻia i nā ʻano like ʻole no kāna mau waiwai kūikawā.Loaʻa iā ia ke kūpaʻa wela kiʻekiʻe, non-oxidation, insolubility, ʻoi aku ka maikaʻi o ka paʻa kemika, a me nā waiwai dielectric maikaʻi loa, e hoʻolilo iā ia i kekahi o nā mea koʻikoʻi koʻikoʻi no nā ʻāpana ʻoihana āpau ma ka ʻoihana kemika a me nā ʻenehana.

1. Lubricity pono'ī

ʻOi aku ka liʻiliʻi o ka friction coefficient o PTFE ma mua o nā plastik ʻenekinia ʻē aʻe.ʻO ia ka helu haʻahaʻa haʻahaʻa ma waena o nā mea i ʻike ʻia.He mea lubricating kūpono.

2. Ke kū'ē kemika

Ma muli o ka PTFE ʻaʻohe paʻa pālua a me nā kaulahao lālā i loko o kona ʻano molekala a me ka crystallization kiʻekiʻe, he kūpaʻa kemika maikaʻi loa a ʻo ia ka mea maikaʻi loa ma waena o nā plastics ʻenekinia kaulana.ʻAʻole ia e launa pū me nā ʻakika concentrated, dilute acids, concentrated alkalies, a me nā oxidants ikaika i loko o nā wahi wela kiʻekiʻe.ʻAʻole ia e ʻino ʻia inā i hoʻolapalapa ʻia, a ʻaʻohe hopena me ka hapa nui o nā mea hoʻoheheʻe e like me ka waiʻona, a me nā ketones.

3. ʻO ka lawe ʻana i ka wai

He haʻahaʻa haʻahaʻa haʻahaʻa loa ka PTFE, ʻo ia ka UHMWPE a ʻaʻole pehu i ka wai.

4. Ka laulā ākea o ka wela kiʻekiʻe a me ka haʻahaʻa

Hiki ke hoʻohana mau ʻia ka PTFE no ka manawa lōʻihi ma waena o 200% a 260%.ʻOiai ma lalo o kahi haʻahaʻa haʻahaʻa o 200 ℃, ʻaʻole palupalu, a hiki iā ia ke mālama i kahi pae o ka maʻalahi.

5. ʻAʻole pili

ʻO ka PTFE kahi mea paʻa me ka ikehu liʻiliʻi loa i kēia manawa.ʻO 0.019N/m wale nō ka ʻili o ka ʻili.ʻAʻole hiki i nā mea paʻa a pau ke pili i kona ʻili.

6. E aahu i ka pale

ʻAʻole paʻa loa ʻo Teflon maʻemaʻe, akā ʻo ka hoʻohui ʻana i nā mea hoʻopihapiha like ʻole iā Teflon e hoʻomaikaʻi nui i ka pale ʻana i ka ʻaʻahu, a ʻoi aku ka maikaʻi o ka ʻaʻahu ma mua o kekahi mau mea i hoʻohana mau ʻia e like me nā ʻāpana friction (e like me ka hao a me ke keleawe).

7. Maʻemaʻe a me nā mea ʻawaʻawa ʻole

ʻO ka PTFE maʻemaʻe a ʻaʻohe mea ʻawaʻawa, kū i nā kūlana maʻemaʻe, a hiki ke hoʻopili i ka meaʻai a me ka lāʻau lapaʻau.

8. Hana maikaʻi loa i ka hoʻoheheʻe uila

ʻO ka PTFE he mea nuiʻole-polar me nā waiwai dielectric maikaʻi loa,ʻo 25-40KV / mm kona kaha haʻihaʻi;nui loa ke kū'ē, a ʻoi aku ka kiʻekiʻe o ke kūpaʻa kikoʻī nui e like me 1061~ ma 200.

9. ʻAʻole hiki ke puhi ʻia

ʻO ka helu heheʻe o PTFE he 327, ʻoi aku ka kiʻekiʻe ma mua o nā polymers maʻamau.Ma 260%, mau kona ikaika haʻihaʻi i 5 MPa (ma kahi o 1/5 o ka mahana o ka lumi), a hiki i kona ikaika flexural hiki i 1.4 MPa.He waiwai nui ka non-combustibility, ʻoi aku ka palena o ka oxygen index ma luna o 95, hiki ke hoʻoheheʻe wale ʻia ma ka lapalapa, ʻaʻohe kulu i hana ʻia, a ma hope, carbonized wale nō.

10.Excellent elemakule kū'ē a me radiation kū'ē

ʻAʻole i hoʻopaʻa ʻia ka PTFE i nā haʻahaʻa haʻahaʻa a kiʻekiʻe, akā ʻaʻole hoʻololi ʻia kāna hana ma lalo o nā wahi paʻakikī, ʻaʻole ia e hoʻouka ʻia e nā microorganism i kahi ʻāina humid, a he pale kiʻekiʻe kona i nā radiations.

11. Na waiwai e ae

He haʻahaʻa haʻahaʻa ka paʻakikī a me ka palupalu o ka PTFE, a hiki iā ia ke komo a komo i nā mea ʻē aʻe, maʻalahi ke hana.

1. ʻO ke kumu a me ke ʻano o ka hoʻololi ʻana

ʻOiai he nui nā hiʻohiʻona maikaʻi o ka PTFE, he nui nā hemahema.Ke hoʻohālikelike ʻia me nā plastik ʻenekinia ʻē aʻe, ʻaʻole maikaʻi loa kona mau ʻano mechanical;nui ka coefficient o ka hoʻonui laina;ʻO ka nui o ka emi ʻana o ka molding, a paʻakikī ka hana lua;haʻahaʻa haʻahaʻa ka paʻakikī a maikaʻi ʻole ka hana ʻino;maikaʻi ʻole ke kolo ʻana, maʻalahi ke kahe anuanu;maikaʻi ʻole ka thermal conductivity a me nā kumukūʻai kiʻekiʻe.Hoʻopili kēia mau hemahema i kona hoʻohana ākea i kekahi ʻano.ʻO ke kumu o ka hoʻololi ʻana e hoʻomaikaʻi i nā waiwai mechanical;hoʻomaikaʻi i ka pale ʻana i ka ʻaʻahu;e ho'ēmi i ka hoʻonui laina;hoʻonui i ka fluidity, etc.

2. Nāʻano a me nā hana o nā mea hoʻololi hoʻopihapiha

ʻO ka hoʻopiha ʻana a me ka hoʻololi ʻana i ka PTFE me ka fiber aniani, graphite, molybdenum disulfide, silicon dioxide, aluminum oxide, bronze powder, carbon fiber, etc.ʻO ka paʻakikī o ka PTFE i hoʻohui ʻia e ka fiber aniani hiki ke hoʻonui ʻia e 10%, a hiki ke hoʻonui ʻia ke kūpaʻa ʻaʻahu ma mua o 500 mau manawa.Hoʻomaikaʻi maikaʻi a hoʻomaikaʻi ʻia ke kūpaʻa kolo a me ke kahe anuanu;ka hoʻohui o ka molybdenum disulfide kōkua ʻO ka paʻakikī a me ka paʻakikī o nā huahana PTFE e hoʻomaikaʻi ʻia, a hoʻemi ʻia ka lole mua;ʻO ka PTFE piha me ka graphite he kūʻokoʻa kemika maikaʻi loa, ke kolo ʻana, a me ka conductivity thermal maikaʻi loa;Hiki i ka PTFE piha me ka pauka keleawe ke hoʻomaikaʻi i ka pale ʻana o nā huahana defenestration, ikaika piha, paʻakikī, a me ke kūpaʻa dimensional.

1. Holoi kaʻaahi

ʻO nā alakaʻi hoʻoheheʻe pinepine ke kumu no ka hoʻokomo ʻana i nā mea mīkini ʻoki metala, nā mea lapaʻau, a me nā ʻōnaehana a me nā mea hana ʻē aʻe he nui, ke kumu o ka pololei a me ke kumu o ke kūlana, a i ʻole ka hōʻailona o ke ola o kēia mau mīkini, a he ʻāpana koʻikoʻi. o ka mīkini.Ma ka mīkini hana hana hana, ka hapa nui o nā mīkini paʻahana alakaʻi i nā huila i hoʻolei ʻia i ka hao, hoʻolei i ka hao, hoʻolei ʻia ke kila, a me nā mea ʻē aʻe. nui, ʻaʻole hiki ke hana ma lalo o ka friction maloʻo, a kolo i nā haʻahaʻa haʻahaʻa a me nā neʻe liʻiliʻi.E pili ana kēia kolo i ka pololei o ka hānai a me ka pololei o nā mea mīkini, ʻoi aku ka pololei o nā mīkini mīkini.Ka hilinaʻi.Ke hoʻohana ʻia ke alakaʻi PTFE piha, hoʻomaikaʻi maikaʻi ʻia ka haʻahaʻa haʻahaʻa o ka mīkini mīkini.Ma muli o ke ʻano o nā mea ʻē aʻe i kanu ʻia, hiki ke hoʻokomo ʻia nā mea hao a me nā ʻāpana one i loko o ka plastic i mea e pale ai i kona ʻaʻahu ponoʻī, pale i ke kaha kiʻi ʻana a me ke kahakaha ʻana o ka ʻili metala, a hiki ke pale i ke ala alakaʻi moe.ʻO ka PTFE ka pauka keleawe a me nā mea hoʻopihapiha ʻē aʻe he mau waiwai friction maikaʻi loa.Ma hope o ka hoʻokumu ʻia ʻana o ke kiʻi hoʻoili ma luna o ka ʻili metala, hoʻemi nui ʻia ka coefficient friction, hoʻomaikaʻi maikaʻi ʻia ka hiki ʻana o ke kiʻi hoʻoili, a hoʻonui ʻia ke ola hana pono.Inā hoʻohālikelike ʻia me ke alakaʻi mea hana mīkini metala, e hoʻomau mau ʻia kona koena friction i ka piʻi ʻana o ka māmā holo.No laila, ʻaʻole e hoʻopuka kēia ʻano kaila alakaʻi PTFE i nā mea kolo i ka wikiwiki haʻahaʻa a me ka micro feed, a loaʻa iā ia ka vibration absorption a me ka hana cushioning.He 0.05 ka heluna friction o ke kaʻa alakaʻi PTFE i ka wā maloʻo, a me ka 0.03 i ka wā e hoʻomaʻamaʻa ai ka aila, me ka nānā ʻole ʻana i ka ʻaila lubricating a i ʻole ka neʻe ʻana o kāna hana.Ke hoʻoponopono hou ʻia ke kaʻa alakaʻi PTFE ma hope o ka hoʻohana ʻana, ʻoi aku ka mālama ʻana i ka hana a hiki ke hoʻololi.He maʻalahi ka mālama ʻana i ka pololei o ke ana.ʻOi aku ka maikaʻi o ka hoʻohana ʻana i ka plastic no ka hoʻoponopono kūloko.

2. Nā ʻāpana pili

Nui nā ʻāpana friction PTFE i hoʻohana mau ʻia i ka ʻenekinia mechanical, me nā bearings, nā apo piston, a me nā mea hana.ʻO ka PTFE kahi mea kūpono no nā apo piston a hoʻohana nui ʻia i nā mea hoʻoheheʻe ea a me nā mea hoʻoheheʻe wai.Hoʻohana ʻia ke apo piston PTFE ma ke ʻano he apo hoʻopaʻa e pale ai i nā wai a i ʻole ke kinoea.Hoʻohana maʻamau ia i nā kūlana i hiki ʻole ke hoʻohana ʻia nā lubricants a i ʻole nā ​​​​ʻano koʻikoʻi ʻē aʻe, e like me ka corrosion koʻikoʻi a me nā koi palekana kiʻekiʻe, hiki ke hōʻemi nui i ka ʻaʻahu a me ka hoʻoluhi pinepine ʻana o ka pā i loko o ka cylinder ʻO ka nui o nā lua e hoʻonui i ke ola lawelawe o ka cylinder.No ka laʻana, aia kahi hāmare mokuahi papapihi, kahi i hoʻohana mua ʻia i ke apo metala.I ka wā o ka hana hoʻololi ʻelua, ma lalo o nā kūlana maʻamau, hiki i ka paia o loko o ka cylinder ke komo i ka 7-9ram ma hope o ka hapalua makahiki, ua haʻalulu ke apo metala no 2 a 3 mau pule, a i kekahi manawa hiki ke haki.Ua hoʻopaʻa ke apo piston i ka paia o loko o ka cylinder a pono e hoʻololi ʻia ka cylinder.I ka hoʻohana ʻana i ka PTFE i hoʻopiha ʻia no hoʻokahi mahina, ʻo ka paia o loko o ka cylinder e hoʻohana i ka 2mm wale nō, a ma hope o 10 mau mahina, ʻo ka lole wale nō ka 3mm, a hoʻonui ʻia ke ola e 4 a 5 mau manawa a ʻoi aku paha.Aneane nā apo piston a pau e hoʻopaʻa i ka hana hoʻopaʻa ʻana i ka neʻe ʻana a hoʻomaka pinepine, no laila pono ka liʻiliʻi o ke koena friction static.Ma lalo o nā haʻahaʻa liʻiliʻi, ʻo ka static friction coefficient o PTFE he 25% a 75% haʻahaʻa ma mua o nā apo piston o nā mea ʻē aʻe.ʻO ka nui o ka ukana, ʻoi aku ka maikaʻi o kona kiʻekiʻe.He kūlana maikaʻi ʻole kēia i ka hoʻomaka māmā a me ka māmā reciprocating.ʻO ka hopena, ua hoʻemi ʻia ka hoʻohana ʻana i ka ikehu, hoʻemi ʻia ka haʻalulu, a me ka walaʻau, kahi kūpono i ka mālama ʻana i ke kaiapuni.Ma ka manawa like, hiki ke hoʻohana ʻia ʻo PTFE e like me nā mea hana a me nā bearings no ka neʻe ʻana a me nā ʻāpana hoʻoili mana i kahi ākea o nā kūlana hana a me kahi ʻano paʻakikī loa no nā textiles māmā, paʻi ʻana a me ke kala, hana pepa, a me nā ʻoihana meaʻai.

3. Na Sila

ʻO ka hoʻohana ʻana i ke kiʻi ʻoniʻoni PTFE i hoʻohui ʻia ma ka ʻili o ka mea hoʻopaʻa hoʻopaʻa paʻa hiki ke hoʻomaikaʻi i ke kūpaʻa ʻana o ka solvent a me ka pale ʻana o ka media o ka sila rubber, a haʻahaʻa ke kumukūʻai.Ua hoʻohana ʻia i ka hoʻopaʻa ʻana i nā koi o nā manawa koʻikoʻi like ʻole.ʻO ka mea hoʻopihapiha FE sealing mea he maikaʻi loa ke kūpaʻa kiʻekiʻe a me ka haʻahaʻa haʻahaʻa a ʻo ia ke pani nui no ka hoʻololi ʻana i nā mea gasket asbestos kuʻuna.Hoʻoikaika ʻia ke kalapona kalaponaSila PTFELoaʻa i nā mea waiwai nā hiʻohiʻona o ka ikaika kiʻekiʻe, modulus kiʻekiʻe, kūpaʻa luhi, kūpaʻa creep, conductivity thermal kiʻekiʻe, coefficient haʻahaʻa o ka hoʻonui wela, a me ka friction.ʻAʻole hoʻohālikelike ʻia kēia mau waiwai piha e kēlā me kēia ʻano mea hoʻopaʻa sila a he mau mea hoʻopaʻa paʻa kiʻekiʻe.

4. Nā ʻāpana anti-corrosion

ʻO ka PTFE i hoʻololi ʻia he kūpaʻa kemika maikaʻi i ka waikawa, alkali, paʻakai paʻakai paʻakai, a hiki ke hoʻololi i nā seramika metala no ka ʻenehana anti-corrosion, ʻoi aku ka kūpono no ke kiʻekiʻe kiʻekiʻe a me nā manawa corrosion ikaika, e like me nā lako anti-corrosion, paipu, a me nā mea pono i nā mea kanu kemika. .ʻO nā mea hoʻoheheʻe ʻino, nā kiwi, nā paila, nā mea hoʻololi wela, nā pā porous, a me nā mea kānana no nā mea hoʻoheheʻe ʻino loa, ka uhi ʻana, a me ka uhi ʻana o nā mea kemika.

5. Hoʻopili uila

Hoʻohana nui ʻia ʻo PTFE i hoʻololi ʻia ma ke ʻano he insulating layer no nā kaula uea, nā paipu, a me nā lipine maka.Hoʻohana ʻia ia ma ke ʻano he insulator no nā kumu like ʻole, nā kākoʻo, nā lako microwave kiʻekiʻe-frequency, a me nā electrodes no ka ʻoihana electrochemical.

6. Nā mea kūkulu hale

ʻO ka lole aniani i hoʻopili ʻia me ka hoʻopuehu ʻana o PTFE he mea hale kūkulu hale membrane maikaʻi loa.Loaʻa iā ia kahi māmā māmā maikaʻi loa, hiki ke hoʻemi i ke kumukūʻai o ke kukui a me ka ea.ʻOi aku ka lōʻihi ma mua o 20 mau makahiki.Hiki iā ia ke hoʻemi i ke kumukūʻai o ka pena a me ka hoʻomaʻemaʻe.Hiki ke hoʻopōkole ʻia ka manawa hana no nā kaupaku nunui.50%, hiki ke hōʻemi i ke kumu kūʻai o ka hale e 50% a me ka huina o ke kumukūʻai kūkulu e 20%.No laila, kūpono ia no nā mea hale o nā pā hale o waho, nā kahua pāʻani, nā kahua mokulele, nā ʻauʻau ʻauʻau, nā hōʻikeʻike nui, nā zoos a me nā māla botanical, nā keʻena halihali, etc.

7. Nā mea hoʻohui lubricant

Ma lalo o nā kūlana lubrication palena, ʻo ke ala maikaʻi loa e hōʻemi i ka coefficient o friction ʻo ke koho ʻana i nā mea hoʻohui lubricant kūpono, a me kaʻO ka mīkini pauka PTFEhe mea hoʻohui paʻa maʻamau.Hōʻike nā hoʻokolohua ʻo ka hoʻohui ʻana i kekahi nui o nā mea hoʻohui paʻa i ka ʻaila ʻenekini hiki ke mālama pono ma kahi o 5% o ka aila ʻenekini.

8. Nā mea mīkini mahiʻai

Me ka hoʻohana ʻana i nā waiwai ponoʻī, paʻa paʻa a paʻa ʻole o ka PTFE piha, hiki ke hana nui ʻia i loko o ka bulldozer plate lining, excavator bucket, a me ka liner i loko o ka dump truck compartment, etc., i mea e hoʻomaikaʻi ai i ka pono a me ke kūpaʻa. o ka lawe ana i na mea.

9. Nā mea hana o kēlā me kēia lā

ʻO ka PTFE i hoʻopaʻa ʻia i ka ironworking ili he ʻaʻahu a he haʻahaʻa haʻahaʻa;ʻo ka PTFE-coated wok a me ka laiki kuke i nā hiʻohiʻona o ka meaʻai ʻole;paʻa a hoʻokomo ʻia ka maka me kakiʻiʻoniʻoni PTFE, a paʻa ka ʻili Ke neʻe nā papalina, liʻiliʻi ke kūʻē i ka ʻili a palupalu.

10. Hoʻomohala ʻana i nā noi mīkini hou

Ma waho aʻe o ka noi a me nā hopena noiʻi oNā mīkini PTFEʻoihana, e noʻonoʻo ana i ka hana waiwai a me ka hoʻolālā, PTFE he ākea ākea i ka ʻoihana mīkini o ka ʻoihana kaʻa, nā mea kaua maʻamau, nā moku, aerospace, a me ka ikehu atomika, ka lāʻau lapaʻau, ka mālama ʻana i ke kaiapuni, etc.