He mea maʻamau ka hoʻomaʻamaʻa ʻana i ka momona no nā noi haʻahaʻa a me ka wikiwiki ma kahi o ka wela hana o ka bearing ma lalo o ka wela palena o ka momona. ʻAʻole kūpono ka ʻaila anti-friction no nā noi āpau. He palena wale nō ka hana a me nā hiʻohiʻona o kēlā me kēia hinu. ʻO ka momona ka aila kumu, ka mānoanoa a me nā mea hoʻohui. Loa'a ka aila kumu aila i mānoanoa me kekahi kopa metala. I nā makahiki i hala iho nei, ua hoʻohui ʻia nā mānoanoa organik a me nā mea hoʻonaninani i nā aila kumu synthetic. Hōʻuluʻulu ka Papa 26 i ka hoʻohui ʻana o nā momona maʻamau. Papa 26. Nā mea hoʻohui o ka ʻaila ʻaila mānoanoa Additive Grease Mineral Oil Synthetic Hydrocarbon Ester Substance Perfluorinated Oil Silicone Lithium, Aluminum, Barium, Calcium and Compound Soap Nā mea ʻala ʻole (inorganic). (organic) polyurea compound rust inhibitor dye tackifier metala passivator antioxidant anti-wear extreme pressure additive calcium-based and aluminum-based greases loaʻa i ka wai maikaʻi loa, He kūpono no nā noi ʻoihana e pono ai ke pale i ka komo ʻana o ka makū. He nui ka hoʻohana ʻana o nā momona i hoʻopaʻa ʻia i ka lithium a kūpono i nā noi ʻoihana a me nā bearings hope huila.
ʻO nā aila kumu synthetic, e like me nā esters, nā esters organik a me nā silicones, ke hoʻohana ʻia me nā mea mānoanoa a me nā mea hoʻohui maʻamau, ʻoi aku ka kiʻekiʻe o ka mahana hana ma mua o ka wela o ka hana ʻana o nā aila ʻaila. ʻO ka pae wela o ka hana ʻana o ka momona synthetic mai -73°C a 288°C. Eia nā hiʻohiʻona maʻamau o nā mea mānoanoa i hoʻohana mau ʻia me nā aila ʻaila. Papa 27. Nā hiʻohiʻona maʻamau o nā mea mānoanoa i hoʻohana ʻia me nā aila hoʻoheheʻe ʻia i ka petroleum.
°C °F °C °F
Lithium 193 380 121 250 maikaʻi
Lithium complex 260+ 500+ 149 300 maikaʻi
ʻO ke kumu alumini hui 249 480 149 300 maikaʻi loa
ʻO ka calcium sulfonate 299 570 177 350 maikaʻi loa
Polyurea 260 500 149 300 Maikaʻi
ʻO ka hoʻohana ʻana i ka polyurea ma ke ʻano he mānoanoa kekahi o nā hoʻomohala koʻikoʻi i ka māla lubricating no nā makahiki he 30. Hōʻike ʻo Polyurea grease i ka hana maikaʻi loa i nā ʻano like ʻole o ka lawe ʻana, a i ka manawa pōkole, ua ʻike ʻia ma ke ʻano he lubricant pre-lubricant. Haʻahaʻa haʻahaʻa Ma lalo o ka haʻahaʻa haʻahaʻa haʻahaʻa, ka hoʻomaka torque o grease lubricated bearings mea nui loa. Hiki ke hana maʻamau kekahi ʻaila i ka wā e holo ana ka bearing, akā e hoʻoulu ʻia ke kūʻē nui i ka hoʻomaka ʻana o ka bearing. I kekahi mau mīkini liʻiliʻi, ʻaʻole paha e hoʻomaka ke haʻahaʻa loa ka mahana. I loko o ia ʻano hana, koi ʻia ka momona i nā ʻano o ka haʻahaʻa haʻahaʻa e hoʻomaka ana. Inā ākea ka pae wela o ka hana, ʻike maopopo ʻia ka momona synthetic. Hiki i ka hinuhinu ke hana i ka torque hoʻomaka a me ka holo liʻiliʻi loa ma kahi haʻahaʻa haʻahaʻa o -73°C. I kekahi mau hihia, ʻoi aku ka maikaʻi o kēia mau greases ma mua o nā lubricants ma kēia ʻano. ʻO ka mea nui e pili ana i ka momona ʻo ka hoʻomaka ʻana o ka torque ʻaʻole ia he hana o ka paʻa ʻana o ka momona a i ʻole ka hana holoʻokoʻa. ʻO ka hoʻomaka ʻana o ka torque e like me ka hana o ka hana pilikino o kahi momona kikoʻī, a ua hoʻoholo ʻia e ka ʻike.
ʻO ka wela kiʻekiʻe: ʻO ka palena wela kiʻekiʻe o nā greases hou he hana piha ia o ka paʻa wela a me ke kūpaʻa ʻana o ka ʻaila kumu a me ka maikaʻi o nā mea hoʻopaneʻe oxidation. Hoʻoholo ʻia ka pae wela o ka momona e ka hāʻule ʻana o ka momona momona a me ke ʻano o ka ʻaila kumu. Hōʻike ka papa 28 i ka pae wela o ka momona ma lalo o nā kūlana aila kumu. Ma hope o nā makahiki o nā hoʻokolohua me nā bearings grease-lubricated, hōʻike kāna mau hana empirical e hoʻemi ʻia ke ola lubricating grease no kēlā me kēia piʻi 10 ° C i ka mahana. No ka laʻana, inā he 2000 mau hola ke ola lawelawe o kahi momona ma kahi mahana o 90 ° C, i ka piʻi ʻana o ka mahana i 100 ° C, hoʻemi ʻia ke ola lawelawe ma kahi o 1000 mau hola. ʻO ka mea like ʻole, ma hope o ka hoʻohaʻahaʻa ʻana i ka mahana i 80 ° C, manaʻo ʻia ke ola lawelawe e hiki i nā hola 4000.
Ka manawa hoʻouna: Jun-08-2020