Design of shaft pin and bearing of construction machinery

1. zimakhudza kamangidwe ka chipangizo ntchito:

Pali mitundu yambiri ya zimakhudza kwa chipangizo ntchito, ungathe kugawidwa mu zimakhudza mkuwa, zosapanga zimakhudza zitsulo, gulu olowa zimakhudza ndi zina zotero. Malinga mode ake kondomu
Iwo agawidwa mikangano youma kubala, zimakhudza mafuta, chosakwanira zimakhudza mafuta film, madzimadzi zimakhudza filimu ndi zina zotero
Pakuti chosakwanira mafuta filimu kondomu, mkuwa, zitsulo, mkuwa m'munsi zitsulo kumbuyo kudziletsa kondomu ndi mayendedwe ena akhala ntchito . Mkuwa zimakhudza ali kulimba wabwino ndi kukana
zambiri abrasive,
Muvi ali wabwino kwenikweni zodzitetezera
Koma kulimbikira kwa mapindikidwe ndi osauka,
Easy mapindikidwe pambuyo ntchito yaitali, chifukwa mu zimakhudza
Awiri kuwonjezeka, chifukwa m'madera structural kugwedeza; Zitsulo kubala mphamvu yapamwamba, chabwino avale kukana, mapindikidwe kukana, koma pamwamba kutentha ndondomeko chithandizo
Kuuza ndi mkulu; Mkuwa m'munsi zitsulo amatidwa kudziletsa lubricating zimakhudza Ubwino wa zimakhudza zitsulo ndi zobala mkuwa, ndi mafuta poyambira kondomu ndi kudzikonda lubricating amaphatikizidwa nthawi yomweyo.
Angathandize kupewa kuyatsa yobala, koma ndondomeko yake ndi zovuta, mtengo ndi mkulu.
Kuchitira mamangidwe makamaka za moyo utumiki wodziwika ndi,
moyo wake anatsimikiza ndi avale kuchuluka yochitira awiri mkati kupatulapo moto.
Kuchuluka avale makamaka anakhudzidwa ndi chikhalidwe mikangano, ndi mikangano nazonso anakhudzidwa ndi katundu, liwiro zosafunika, padziko roughness, ntchito kutentha, osiyana modes opaleshoni, lubricants ndi zikhalidwe zina, kotero avale kuchuluka zitha kukhala kudzitamandira ongolankhula Chotero, moyo wa kutsinde malaya
Izo zimatengera zinthu zovuta. N'zovuta kuneneratu chikhalidwe avale ngati avale kusintha zikuchepa chifukwa kotunga osauka mafuta ndi wodetsedwa kusalola.
Pansi bwinobwino zinthu, kuvala kuchuluka kwa zimakhudza mkuwa (ZcuAll0Fe3Mn2) akhoza approximated ndi anthu aone kuti pali zotsatirazi:
W = K * V * PT
W: amavala (mm)
K: mikangano koyefishienti [mamilimita / (N / mm2 · m / Mph · hr )]
P: onyamula mphamvu (N / mm2)
V: liniya mathamangidwe (m / Mph)
T: amavala nthawi (hr)
Kodi K = CI * K, K ndi koyefishienti mikangano pansi abwino boma, K = (1 ~ 5 ) * 10-8 [mamilimita / (N) / mm2 · m / Mph · hr)】
CI ndi wofanana C0 nthawi cL nthawi C2 nthawi C3
2. Kuchitira kuthamanga P
Kawirikawiri otchedwa katundu zimakhudza kuthamanga amatanthauza zimakhudza pansi katundu,
katundu pazipita mothandizidwa ndi zobala akufufuta m'dera opanikizika
Choncho m'dera opanikizika
Pamene kuchitira ndi cylindrical, kutiganizitsa dera katundu malangizo kukhudzana ndi zobala watengedwera.
3. mathamangidwe V
The kutentha kwaiye Azidziwa,
zimagwiritsa chifukwa cha mikangano ya Azidziwa. Malinga ndi zochitika, kuwuka kwa kutentha padziko mikangano,
kutsetsereka
Mphamvu ya mathamangidwe V ndi wamkulu kwambiri kuposa zimakhudza kuthamanga P.
Kotero inu mukhoza kuwona,
The moyo wodziwika ndi zimagwiritsa waba tikaona mtengo P mwa V .
pa nthawi yomweyo, mtengo PV Mzimuyo kutentha linanena bungwe la Azidziwa.
Pomwe anasenza mwayi
Zinasintha,
Kuchitira kutentha zimakhudza kutentha kwaiye mikangano ndi umuna kutentha.
Nthawi zambiri limakhazikitsa zina kutentha, ngati Pali zosafunika kuwukira pa ntchito yothandizira operation.The wa lubricating mafuta kuchepetsedwa, Ndipo chifukwa cha ufa mikangano,

Nkhani za Panthawi imeneyi, ndi mapindikidwe wa kusintha mikangano padziko, ndi mikangano koyefishienti ukuwonjezeka, kutentha kwa zimakhudza limatuluka, chifukwa kuwononga pamwamba mikangano, ndi guideIn Pankhaniyi, m'munsi opaleshoni kutentha kwa Azidziwa, mwachitsanzo , mtengo wotsika PV ntchito bwino kutenga katundu ntchito is.Life ndi anawonjezera, kotero ntchito mtengo wotsika PV kutali zedi pa nthawi kamangidwe.
Ii. Kutsinde pini kapangidwe:
(1) Ambiri, kutsinde zakuthupi 35 # kapena pamwamba apamwamba mpweya structural zitsulo, alloying zinthu akhoza kuwonjezeredwa kusintha heatTreatment ntchito zake: mankhwala pamwamba monga lakhala ndi tempering, kuuma kwa nkhani kuposa kuuma kuchitira kukwaniritsa zimakhudzanso abwino; Pamene zovuta chinthu adzabwere, akhoza anaikapo mu zimakhudza popanda kuwononga kutsinde. Apo ayi, kutopa moyo wa kutsinde adzakhala yafupika.

(2) Pamene padziko roughness wa kutsinde waukulu, mbali yotundumukira kunja kwa mpanda wa kutsinde ndi kutsinde malaya adzadula mafuta film, chifukwa mu mwachindunji kukhudzana pakati pa awiri. Choncho, kusintha padziko roughness wa m'dzenjewo, kuchepetsa kusiyana mafuta film, ndi kupanga ndipafupi kuti madzimadzi boma kondomu, kuti akhale moyo utumiki wa kutsinde wamanja. Nthawi zambiri, anthu padziko roughness wa kutsinde akhale pa Ral. Zoposa 6.

Engineering makina kudalirika kwa ntchito chipangizo cha hayidiroliki zomangamanga makina ntchito chikoka ndi wamkulu kwambiri, ntchito chikhalidwe chipangizo ntchito pa ntchito otsika liwiro overloading, izo ziri pa pini kutsinde ndi kuchitira ntchito za ntchito kuika patsogolo zofuna kwambiri, ndipo okonza makina kamangidwe, kulemera kwa chipangizo ntchito pa chiyembekezo cha akhoza kukumana magawo kapangidwe ntchito ayenera kukhala wamng'ono ngati n'kotheka, choncho kapangidwe wololera wa kutsinde ndi zobala n'kofunika kuti luso lopanga ntchito engine.


Post time: Dec-07-2018