ʻO nā pad brake kekahi o nā ʻāpana palekana koʻikoʻi o ka ʻōnaehana kaʻa.He kuleana koʻikoʻi nā pad brake i ka braking, no laila ua ʻōlelo ʻia ʻo ka pale pale maikaʻi ka pale o nā kānaka a me nā kaʻa.
Hoʻolako ʻia ka pahu pahu me nā kāmaʻa kaʻa, akā ke kāhea ka poʻe i nā pad brake, e pili ana lākou i nā pad brake a me nā kāmaʻa pahu i ka laulā.
ʻO ka huaʻōlelo “disc brake pads” e pili pono ana i nā pad brake i kau ʻia ma nā disc brakes, ʻaʻole nā brake disc.
ʻEkolu mau ʻāpana nui o nā pad brake: ke kākoʻo kila (backing plate), ka mea hoʻopili, a me ka poloka friction.ʻO ka ʻāpana koʻikoʻi ka poloka friction, ʻo ia hoʻi ke ʻano o ka poloka friction.
Hoʻokumu ʻia ke ʻano o ka mea friction me 10-20 mau ʻano mea maka.ʻOkoʻa ke ʻano mai ka huahana a i ka huahana, a ua hoʻokumu ʻia ka hoʻomohala ʻana o ke ʻano ma luna o nā ʻāpana ʻenehana kikoʻī o ke kumu hoʻohālike.Mālama nā mea hana mea friction i kā lākou mau palapala mai ka lehulehu.
ʻO ka asbestos mua i hōʻike ʻia ʻo ia ka mea ʻoi aku ka maikaʻi o ka ʻaʻahu, akā ma hope o ka ʻike ʻia ʻana he mea pōʻino nā fiber asbestos i ke olakino, ua hoʻololi ʻia kēia mea e nā fibers ʻē aʻe.I kēia mau lā, ʻaʻole pono e loaʻa ka asbestos i nā pad brake maikaʻi, a ʻaʻole ʻo ia wale nō, pono lākou e pale i nā metala kiʻekiʻe, pipiʻi a maopopo ʻole ka hana a me nā sulfides e like me ka hiki.ʻO nā ʻoihana friction material kahi hana lōʻihi e hoʻomau i ka hoʻomohala ʻana i nā mea hou e hoʻomaikaʻi ai i ka hana o nā mea friction, ka mālama ʻana i ke kaiapuni a me ka hoʻokele waiwai.
ʻO ka mea friction kahi mea i hoʻohui ʻia nona ka hoʻokumu ʻana o ka haku mele: adhesive: 5-25%;mea hoʻopihapiha: 20-80% (me ka hoʻololi friction);hoʻoikaika i ka fiber: 5-60%
ʻO ke kuleana o ka mea paʻa ka hoʻopaʻa ʻana i nā ʻāpana o ka mea.He maikaʻi ke kūpaʻa wela a me ka ikaika.ʻO ka maikaʻi o ka mea paʻa ka hopena nui i ka hana o ka huahana.Hoʻokomo nui ʻia nā Binders
nā resins thermosetting: resins phenolic, resins phenolic i hoʻololi ʻia, resins pale wela kūikawā
Rubber: rubber synthetic rubber maoli
Hoʻohana pū ʻia nā resins a me nā rubbers.
Hāʻawi nā mea hoʻopiha friction a hoʻopaʻa i nā waiwai friction a hoʻemi i ka ʻaʻahu.
ʻO ka hoʻopiha piha ʻana: barium sulfate, alumina, kaolin, iron oxide, feldspar, wollastonite, pauka hao, keleawe (pauka), pauka alumini…
Mea hoʻololi hoʻololi i ka hana friction: graphite, friction pauka, pauka lāʻau, pauka coke
Hāʻawi ka hoʻoikaika ʻana i nā fibers i ka ikaika waiwai, ʻoi aku ka nui o ke kūlana wela.
ʻO nā pulu Asbestos
ʻAʻole i ka asbestos fibers: synthetic fibers, natural fibers, non-mineral fibers, metala fibers, aniani fibers, carbon fibers
ʻO ke kuʻi ʻana i ka neʻe ʻana ma waena o nā ʻili pili o nā mea ʻelua e neʻe ana.
Ua like ka ikaika o ke ku'i (F) i ka huina hoonui o ke ku'i (μ) a me ke kaomi 'olu'olu (N) ma ka 'ao'ao kukū ma luna o ka 'ili ku'i, i hō'ike 'ia e ke kumu physics: F=μN.No ka ʻōnaehana kaʻa, ʻo ia ke koena o ka friction ma waena o ka pā pahu a me ka disc brake, a ʻo N ka ikaika i hoʻohana ʻia e ka piston caliper i ka pad.
ʻO ka nui o ke koena o ka friction, ʻoi aku ka nui o ka ikaika friction.Eia naʻe, e hoʻololi ke koena o ka friction ma waena o ka pahu pahu a me ka diski ma muli o ka wela nui i hana ʻia ma hope o ka friction, ʻo ia hoʻi ke hoʻololi ʻia ka coefficient o ka friction me ka hoʻololi ʻana o ka mahana, a he ʻokoʻa ko kēlā me kēia pahu pahu. ma muli o nā mea like ʻole, no laila, ʻokoʻa nā ʻokoʻa ʻokoʻa o nā pale pale ʻokoʻa i nā mahana hana maikaʻi loa a me nā pae wela hana kūpono.
ʻO ka hōʻailona hana koʻikoʻi o nā pad brake ka coefficient o friction.Aia ka heluna friction brake maʻamau ma waena o 0.35 a me 0.40.Inā ʻoi aku ka haʻahaʻa o ka friction coefficient ma mua o 0.35, e ʻoi aku ka ʻoi aku o nā pahu i ka mamao o ka braking palekana a i ʻole ke hāʻule ʻole, inā ʻoi aku ka nui o ka friction coefficient ma mua o 0.40, ʻoi aku ka maikaʻi o nā pahu i ka hoʻopili koke ʻana a me nā pōʻino rollover.
Pehea e ana i ka maikaʻi o nā pale pale
Palekana
- Paʻa Friction Coefficient
(Ka ikaika hoʻopaʻa wela maʻamau, ka hana wela
ʻO ka maikaʻi o ka holo ʻana, ka hana wikiwiki kiʻekiʻe)
- Hana ho'ōla
Kū'ē i ka pōʻino a me ka corrosion
Hōʻoluʻolu
- Manaʻo pedal
- Haʻahaʻa haʻahaʻa / haʻahaʻa haʻalulu
- Maʻemaʻe
Ka lōʻihi
- Haʻahaʻa haʻahaʻa aahu
- ʻAʻahu ʻaʻahu i ka wela ambient kiʻekiʻe
Pono
- Ka nui kau ʻana
- Paʻi a me ke kūlana friction
Nā mea komo a me nā hiʻohiʻona
- Ka māhā, ka poha, delamination
- Nā uea hoʻāla a me nā pā haʻalulu
- Hoʻopili
- ʻO nā pad brake kiʻekiʻe: kiʻekiʻe ka nui o ka friction, ka hana hōʻoluʻolu maikaʻi, a paʻa i nā hōʻailona āpau o ka mahana, ka wikiwiki a me ke kaomi
E pili ana i ka halulu kaʻa
ʻO ka walaʻau ʻana he pilikia o ka ʻōnaehana braking a pili paha i nā ʻāpana āpau o ka ʻōnaehana braking;ʻaʻohe mea i ʻike i kahi ʻāpana o ka hana braking e hoʻokuke i ka lewa e hana i ka walaʻau.
- Hiki mai paha ka walaʻau ma muli o ke kuʻi kaulike ʻole ma waena o nā pad brake a me nā disc brake a hoʻopuka i ka vibration, hiki ke ʻike ʻia nā hawewe kani o kēia haʻalulu e ka mea hoʻokele i ke kaʻa.ʻAʻole ʻike ʻia ka leo haʻahaʻa haʻahaʻa haʻahaʻa 0-50Hz i ke kaʻa, ʻaʻole e noʻonoʻo nā mea hoʻokele leo 500-1500Hz e like me ke kani ʻana, akā ʻo 1500-15000Hz e noʻonoʻo ai nā mea hoʻokele walaʻau kiʻekiʻe.ʻO nā mea nui e hoʻoholo ai i ka walaʻau kaʻa e pili ana i ke kaomi ʻana, ka mahana friction pad, ka wikiwiki o ke kaʻa a me nā kūlana o ka wā.
- ʻO ka hoʻopili ʻana ma waena o nā pad brake a me nā disc brake he mea hoʻopili kiko, ma ke kaʻina hana friction, ʻaʻole hoʻomau kēlā me kēia wahi hoʻopili o ka friction, akā ke hoʻololi nei i waena o nā kiko, e hana kēia ʻano i ke kaʻina friction me kahi haʻalulu liʻiliʻi, inā hiki i ka ʻōnaehana braking. e hoʻopili pono i ka haʻalulu, ʻaʻole ia e hoʻoheheʻe ʻia;ma kahi ʻē, inā e hoʻonui pono ka ʻōnaehana braking i ka haʻalulu, a i ʻole ka resonance, ʻo ia ma ke ʻano ʻē, inā hoʻonui ka ʻōnaehana brake i ka haʻalulu, a i ʻole e hoʻopuka i ka resonance, hiki ke hana i ka walaʻau.
- ʻO ka hiki ʻana mai o ka walaʻau ʻana he mea maʻamau, a ʻo ka hopena o kēia manawa ʻo ia ka hoʻoponopono hou ʻana i ka ʻōnaehana brake a i ʻole ka hoʻololi ʻana i ke ʻano o nā ʻāpana kūpono, me ka ʻoiaʻiʻo, ke ʻano o nā pad brake.
- Nui nā ʻano walaʻau i ka wā o ka hoʻopaʻa ʻana, hiki ke ʻike ʻia ma:Hoʻopili ʻia ka walaʻau me ke kaʻina holoʻokoʻa o ka braking;hana ʻia ka walaʻau i ka wā i hoʻokuʻu ʻia ai ke kaʻa.
ʻO Santa Brake, ma ke ʻano he hale hana ʻoihana pad brake pad ma Kina, hiki ke hāʻawi i nā mea kūʻai aku me nā huahana hoʻokumu kiʻekiʻe kiʻekiʻe e like me semi-metallic, ceramic a me nā metala haʻahaʻa.
Nā hiʻohiʻona huahana semi-metallic brake pad.
Hana kiʻekiʻe
ʻO ka hoʻokumu ʻana i nā ʻāpana nui kiʻekiʻe
Kiʻekiʻe friction coefficient a paʻa, e hōʻoiaʻiʻo ana i kou pale ʻana i ka pale ʻana me ka wikiwiki kiʻekiʻe a i ʻole ka ulia pōpilikia
Haʻahaʻa haʻahaʻa
ʻO ka hele wāwae ʻoluʻolu a pane
Haʻahaʻa abrasion, maʻemaʻe a pololei
ʻO ke kumu semi-metallic ʻole asbestos, palekana olakino a me ke kaiapuni
E hoʻokō me ka maʻamau TS16949
ʻO nā hiʻohiʻona huahana ceramic formula brake pad.
ʻO ka maikaʻi o ka hale hana kumu.E hoʻohana i ke ʻano metala ʻole a me ka haʻahaʻa haʻahaʻa e hoʻokō ai i ka koi o ka hale hana mua o ka mamao braking
ʻO nā mea hoʻopili anti-vibration a me anti-stirring e pale i ka walaʻau a me ka jitter i ka nui loa
E hoʻokō i ka maʻamau ʻEulopa ECE R90
ʻO ka manaʻo braking maikaʻi, pane, hoʻopiha piha i nā koi hōʻoluʻolu braking o nā kaʻa waena a me nā kaʻa kiʻekiʻe.
Paʻa mālie a palekana hoʻi i loko o nā kūlanakauhale paʻa a me nā wahi mauna
Liʻiliʻi ka wili a maʻemaʻe
Ola lōʻihi
E hoʻokō me ka maʻamau TS16949
ʻO nā brand brake pad maʻamau ma ka mākeke
ʻO FERODO kahi hōʻailona o FEDERAL-MOGUL (USA).
TRW Automotive (Trinity Automotive Group)
ʻO TEXTAR (TEXTAR) kekahi o nā hōʻailona o Tymington
ʻO JURID lāua ʻo Bendix nā ʻāpana ʻelua o Honeywell
DELF (DELPHI)
AC Delco (ACDelco)
Mintex Pelekania (Mintex)
Kolea Believe Brake (SB)
Valeo (Valeo)
Kirin gula kūloko
Xinyi
Ka manawa hoʻouna: Feb-14-2022