Drum mabuleki - kotero dongosolo braking, yomwe imakhala ndi ng'oma onsewo. Zimapezeka ndi braking chifukwa kukanikiza wa nsapato ng'oma ananyema.
Monga ziyangoyango mwachizolowezi mu dongosolo monga ng'oma nanyema, ili mkati ng'oma yokha. Ngati zili kunja kwa chitsulo lathyathyathya litayamba, chotero limagwirira amatchedwa chimbale. Drum mabuleki akadali Mabaibulo ena - lamba. limagwirira Izi braking ikuchitika ndi "Kuphunzira" wa ng'oma ananyema kusintha zitsulo tepi.
Mu chipangizo chotero, chomwe ali awiri zonenepa ntchito, dzuwa kwambiri chifukwa kudzera mwa kasinthasintha wa ng'oma galimoto amachita apaulendo. Panthawi braking kovuta makina ziyangoyango. Amenewa si pa limagwirira chimbale chifukwa chimbale mwa onsewo mu chitsogozo perpendicular malangizo a mphamvu braking. Pamene makina likupita patsogolo, iwo amayamba ntchito PAD kutsogolo. Limatchedwanso upwind ku sekondale nsapato ananyema (mwinamwake iwo akutchedwa kumbuyo).
Iwo atchule zimene zofunika ali ndi ng'oma ananyema. PAD imeneyi, yomwe ikuchitika braking. Chifukwa chaichi iwo akalowa anapanga zinthu ndi kukhululukirana. Komanso ali lonse la ng'oma nanyema, nagawa ndi zonenepa gudumu. The woyamba wapadera pressurized madzimadzi kuti ali mu dongosolo hayidiroliki amabwera mu mphamvu kuchokera ngo ananyema. Onse a zigawo zikuluzikulu zimenezi wokwera pa bolodi ananyema (stamped pansi).
Komanso, ng'oma mabuleki ndi zala (olamulira) cha ziyangoyango nanyema, ndi njira malamulo kusiyana ng'oma ndi nsapato, akasupe akugwira ziyangoyango mu malo ndi kuwabweretsa pambuyo dalaivala akumasula ananyema ngo.
Ndipo, ndithudi, sitingathe kusamutsa ubwino limagwirira lapansi. Izo ntchito pa magalimoto (makamaka) ndi magalimoto anthu. Akhoza kugwiritsidwa ntchito pa njinga zamoto. The mwayi waukulu limagwirira izi ndi mphamvu yake. Kapena kani, chakuti n'zosavuta kwambiri kulera ndi kuwonjezeka ng'oma m'mimba mwake ndi m'lifupi mwake. Izi zimathandiza kuti tikwaniritse mkulu mfundo Mtheradi wa braking mphamvu chotheka kuti achepetse kapena m'mbuyo galimoto lolemera (mabasi, magalimoto). Drum mabuleki ali mwangwiro kutetezedwa madzi ndi fumbi - kapena kani, ndi am'derali. Ziyangoyango pa msewu wafumbi kapena fumbi zochepa avale - ndi khalidwe lalikulu limene amapanga cholimba limagwirira. Pamene ntchito, n'zotheka kwambiri wosalira makonzedwe a galimoto magalimoto ananyema. Komanso njira izi zimatulutsa kutentha kwambiri, ndipo chifukwa cha ichi, mungathe kugwiritsa sanali hygroscopic ananyema madzimadzi pa mowa mafuta ofotokoza. ubwino, ndi kukhala kumbuyo ng'oma mabuleki. Dziwani kokha drawback chimodzi - zimene iwo mochedwa pang'ono, poyerekeza ndi chimbale cha.