ʻO ka mea mua, ke ʻano kumu o ka bearing
ʻO ke kumu kumu o ka bearing: ke apo i loko, ke apo o waho, ke kino holo, ka hale
ʻO ke apo i loko: pili pinepine me ka lāʻau, a huli pū.
ʻO ke apo o waho: pinepine me ka hoʻololi o ka noho ʻana, e kākoʻo i ka hopena.
ʻO ka mea i loko a me waho ke apo i ke kila GCr15, a ʻo ka paʻakikī ma hope o ka mālama wela ʻo HRC60 ~ 64.
ʻElemu ʻōwili: ma ke ʻano o ka hale paʻa i hoʻonohonoho pono ʻia i loko o ke apo o loko a me ka ʻauwaha apo o waho, ʻo kona ʻano, ka nui, ka helu e pili pono ana i ka hiki ke amo a me ka hana.
Cage: Ma waho aʻe o ka hoʻokaʻawale ʻana i ka mea ʻōwili, alakaʻi pū ia i ka hoʻololi ʻana o ka mea ʻōwili a hoʻomaikaʻi maikaʻi i ka hana lubrication kūloko o ka bearing.
ʻO ka pōleʻa kila: ʻO ka mea maʻamau e lawe i ke kila GCr15, a ʻo ka paʻakikī ma hope o ka mālama ʻana i ka wela ʻo HRC61 ~ 66.Hoʻokaʻawale ʻia ka papa pololei i G (3, 5, 10, 16, 20, 24, 28, 40, 60, 100, 200) mai ke kiʻekiʻe a i ka haʻahaʻa e like me ka hoʻomanawanui dimensional, ka ʻae ʻana i ke ʻano, ka waiwai ana a me ka ʻili o ka ʻili.
Aia kekahi ʻano hana hoʻopono kōkua
Ka uhi lepo (sealing ring): e pale i nā mea ʻē mai ke komo ʻana i ka bearing.
ʻO ka momona: lubricate, hoʻemi i ka haʻalulu a me ka walaʻau, hoʻomoʻi i ka wela friction, hoʻonui i ka manawa lawelawe.
ʻO ka lua, ka hoʻokaʻawale ʻana o nā bearings
Wahi a nā ʻano friction o nā ʻāpana hoʻoneʻe ʻokoʻa, hiki ke hoʻokaʻawale ʻia nā bearings i nā bearings rolling a me nā bearings rolling i ʻelua mau ʻāpana.I nā bearings rolling, ʻo ka mea maʻamau ka loaʻa ʻana o nā bearings pōleʻa hohonu, nā bearings roller cylindrical a me nā bearings pōpō pahu.
Hiki ke halihali i na haawe radial a me na haawe axial.Ke hoʻohana wale ʻia ka haʻawe radial, ʻaʻole ʻo ka Angle pili.Ke loaʻa ka nui o ka radial clearance o ka puʻupuʻu pōleʻa hohonu, loaʻa iā ia ka hana o ka angular contact bearing a hiki ke kū i ka ukana axial nui loa, ʻoi aku ka liʻiliʻi o ka friction coefficient o ka puʻu pōleʻa hohonu, a kiʻekiʻe hoʻi ka wikiwiki o ka huli ʻana.
ʻO nā bearings pōleʻa hohonu ka hōʻailona ʻoi loa o nā bearings ʻōwili me kahi ākea o ka hoʻohana.He kūpono ia no ka holo kiʻekiʻe-wikiwiki a hiki i ke kiʻekiʻe-kiʻekiʻe loa ka holo ʻana i ka hana, a he lōʻihi loa ia a ʻaʻole pono e mālama pinepine.ʻO kēia ʻano bearing he liʻiliʻi friction coefficient, palena kiʻekiʻe ka wikiwiki, hana maʻalahi, haʻahaʻa haʻahaʻa kumu kūʻai a maʻalahi hoʻi e hoʻokō i ka pololei hana kiʻekiʻe.ʻO ka nui a me ke kūlana hoʻololi, hoʻohana ʻia i nā mea kani pololei, nā kaʻa haʻahaʻa haʻahaʻa, nā kaʻa, nā kaʻa a me nā mīkini a me nā ʻoihana ʻē aʻe, ʻo ia ke ʻano maʻamau o nā bearings mechanical engineering.Hāʻawi nui i ka ukana radial, hiki nō hoʻi ke halihali i kahi nui o ka ukana axial.
ʻO ke kuʻekuʻe kiʻekiʻe, ʻo ke kino ʻōwili ʻo ia ka centripetal rolling bearing o ka cylindrical roller bearing.ʻO ka huila huila Cylindrical a me ka raceway he mau laina pili laina.ʻO ka mana hoʻouka nui, ka mea nui e amo i ka ukana radial.He liʻiliʻi ka friction ma waena o ka mea ʻōwili a me ka rim o ke apo, kūpono ia no ka hana wikiwiki.Ma muli o ka loaʻa ʻana o ka flange o ke apo, hiki ke hoʻokaʻawale ʻia i NU \ NJ \ NUP \ N \ NF a me nā bearings lālani hoʻokahi, a me NNU \ NN a me nā bearings pālua ʻelua.
ʻO kahi huila cylindrical me kahi apo i loko a i waho paha me ka ʻole o ka iwi ʻaoʻao, nona nā apo o loko a me waho e hiki ke neʻe pili i kekahi i kekahi axially a no laila hiki ke hoʻohana ʻia ma ke ʻano he manuahi manuahi.ʻO kekahi ʻaoʻao o ke apo i loko a me ke apo i waho he ʻaoʻao ʻelua, a ʻo ka ʻaoʻao ʻē aʻe o ke apo he cylindrical roller bearing me ka iwi ʻaoʻao hoʻokahi, hiki ke kū i ka ukana axial ma ka ʻaoʻao hoʻokahi i kekahi ʻano.Hoʻohana maʻamau ʻia nā hīnaʻi pepa kila, a i ʻole nā hīnaʻi paʻa i hana ʻia me ke keleawe keleawe.Akā hoʻohana kekahi o lākou i ka polyamide e hana ana i nā hīnaʻi.
Hoʻolālā ʻia nā bearings ball thrust no ke kū ʻana i nā ukana hoʻopaʻa i ka wā o ka holo wikiwiki ʻana a ua haku ʻia me nā apo kīwī me kahi awāwa heihei no ka ʻōwili pōleʻa.No ka mea, ʻo ke apo ke ʻano o ka papa noho, ua māhele ʻia ke ʻano o ka pōpō pōleʻa i ʻelua mau ʻano: ʻano papa papa pālahalaha a me ke ʻano o ka noho spherical.Eia kekahi, hiki i ia mau bearings ke pale i nā ukana axial, akā ʻaʻole nā ukana radial.
ʻO ke apo pōleʻa hoʻokuʻu ʻia me ke apo noho, ke apo kumu a me ka hui hale pōpō kila.Ua like ke apo o ke au me ke kumu, a ua like ke apo noho me ka pūpū.He mea kūpono wale nō ke kāʻei ʻana i kahi ʻāpana o ka haʻahaʻa axial, nā ʻāpana māmā, e like me nā lou crane, nā pahū kūpaʻa, nā centrifuges vertical, nā jacks, nā haʻahaʻa haʻahaʻa haʻahaʻa, a me nā mea ʻē aʻe. ua hoʻokaʻawale ʻia a hiki ke hoʻokomo ʻia a hoʻokaʻawale ʻia.
ʻEkolu, ʻo ka holo ʻana i ke ola
(1) ʻO nā ʻano pōʻino nui o nā bearings rolling
ʻO ka luhi luhi:
I nā bearings ʻōwili, ʻo ka halihali ukana a me ka neʻe pili ʻana o ka ʻili pili (raceway a i ʻole ka ʻōwili ʻana i ke kino kino), no ka hoʻomau mau ʻana, ka mua ma lalo o ka ʻili, ka hohonu kūpono, ka ʻāpana nāwaliwali o ka māwae, a laila hoʻomohala i ka pili i ka ili, no laila ka ʻili o ka metala flake i waho, ka hopena i ka bearing hiki ole ke hana maʻamau, keia mea i kapaia fatigue spalling.He paʻakikī ka pale ʻana i ka luhi hope loa o nā bearings rolling, ʻoiaʻiʻo, ma ke ʻano o ka hoʻokomo maʻamau, lubrication a me ka sila ʻana, ʻo ka hapa nui o ka pōʻino o ka lawe ʻana he pōʻino luhi.No laila, ʻo ke ola lawelawe o nā bearings i kapa ʻia ʻo ke ola lawelawe luhi o nā bearings.
Ho'opololei pa'a (ka ho'ololi mau):
Ke hoʻokau ʻia ka ʻōwili ʻana i ka haʻahaʻa nui, hoʻoheheʻe ʻia ka plastic deformation i loko o ke kino ʻōwili a me ka ʻōwili ʻana i ka pilina, a ʻo ka ʻōwili ʻana i ka ʻili o ka ʻili e hana i kahi niho, e hopena i ka haʻalulu nui a me ka walaʻau i ka wā e holo ai ka bearing.Eia kekahi, ʻo nā ʻāpana ʻē aʻe o waho i loko o ka bearing, ke kaumaha nui o ka hopena, a i ka wā e paʻa ana ka bearing, ma muli o ka haʻalulu mīkini a me nā mea ʻē aʻe e hoʻoulu i ka indentation i ka ʻili pili.
Wear and wear:
Ma muli o ka neʻe ʻana o ka mea ʻōwili a me ke ala heihei a me ka hoʻouka ʻana o ka lepo a me ka lepo, ʻo ka ʻōwili ʻana a me ka ʻōwili ʻana i ka ʻili e hoʻopau ai.Ke nui ka nui o ka lole, hoʻonui ka ʻae ʻana o ka bearing, ka walaʻau a me ka haʻalulu, a hoʻemi ʻia ka holo pololei o ka bearing, no laila pili pono i ka pololei o kekahi mau mīkini nui.
ʻO ka hā, ʻo ka pae pololei o ka lawe ʻana a me ke ʻano hōʻike hoʻomaʻemaʻe leo
Hoʻokaʻawale ʻia ka pololei o nā bearings rolling i ka pololei dimensional a me ka rotating pololei.Ua hoʻohālikelike ʻia ka pae pololei a ua māhele ʻia i ʻelima mau pae: P0, P6, P5, P4 a me P2.Ua hoʻomaikaʻi ʻia ka pololei mai ka pae 0, pili i ka hoʻohana maʻamau o ka pae 0 ua lawa, e like me nā kūlana a i ʻole nā manawa like ʻole, ʻaʻole like ka pae o ka pololei.
ʻElima, nīnau pinepine i nā nīnau
(1) Hapai i ke kila
ʻO nā ʻano mea maʻamau i hoʻohana ʻia o ke kila huila ʻōwili: ke kila hāpaʻa kalapona kiʻekiʻe, ke kila hoʻopaʻa carburized, ke kila kūpaʻa kūpaʻa, ke kila wela wela.
(2) Lubrication o nā bearings ma hope o ke kau ʻana
Hoʻokaʻawale ʻia ka lubrication i ʻekolu mau ʻano: grease, lubricating oil, solid lubrication
Hiki i ka lubrication ke holo maʻamau i ka bearing, e pale i ka pilina ma waena o ka raceway a me ka ʻōwili ʻili, hoʻemi i ka friction a komo i loko o ka bearing, a hoʻomaikaʻi i ka manawa lawelawe o ka bearing.Hiki i ka Grease ke hoʻopili maikaʻi a me ke kūpaʻa a me ke kūpaʻa wela, hiki ke hoʻomaikaʻi i ke kūpaʻa oxidation o nā bearings wela kiʻekiʻe a hoʻonui i ke ola lawelawe o nā bearings.ʻAʻole pono ka nui o ka momona i loko o ka bearing, a ʻo ka nui o ka momona e kūʻē i ka huahana.ʻO ke kiʻekiʻe o ka wikiwiki o ka bearing, ʻoi aku ka nui o ka pōʻino.E hana ka bearing i ka hana i ka nui o ka wela, e maʻalahi ka pōʻino ma muli o ka wela nui.No laila, he mea nui ka hoʻopiha ʻana i ka momona ma ka ʻepekema.
ʻEono, e lawe ana i nā ʻōkuhi hoʻonohonoho
Ma mua o ka hoʻokomo ʻana, e hoʻolohe i ka nānā ʻana inā he pilikia me ka maikaʻi o ka bearing, e koho pono i ka mea hoʻonohonoho kūpono, a e hoʻolohe i ka maʻemaʻe o ka bearing i ka wā e kau ai i ka bearing.E noʻonoʻo i ka ikaika i ka wā e paʻi ai, e paʻi mālie.E nānā inā hoʻokomo pono ʻia nā bearings ma hope o ke kau ʻana.E hoʻomanaʻo, ma mua o ka pau ʻana o ka hana hoʻomākaukau, ʻaʻole e wehe i ka bearing i mea e pale ai i ka haumia.
Ka manawa hoʻouna: Sep-12-2023