Molao-motheo oa ho sebetsa oa brake haholo-holo ho tloha ho ferekanngoa, tšebeliso ea li-brake pads le brake disc (drum) le lithaere le ho ferekana fatše, matla a kinetic a koloi a tla fetoloa matla a mocheso ka mor'a ho ferekana, koloi e tla emisa. Sistimi e ntle le e sebetsang ea braking e tlameha ho fana ka matla a tsitsitseng, a lekaneng le a laolehang, 'me a be le phetiso e ntle ea hydraulic le matla a ho qhala mocheso ho netefatsa hore matla a tsamaisoang ke mokhanni oa brake pedal a ka fetisetsoa ka botlalo le ka nepo ho pompo e kholo le lipompo tse nyane, 'me u qobe ho hloleha ha haeteroliki le ho bola ha mariki ho bakoang ke mocheso o phahameng. Ho na le li-disk brakes le drum brakes, empa ntle le molemo oa litšenyehelo, li-drum brakes ha li sebetse hantle haholo ho feta li-disk brakes.
khohlano
"Friction" e bolela ho hanyetsa ha motsamao pakeng tsa libaka tse amanang le lintho tse peli ka motsamao o lekanyelitsoeng. Boholo ba matla a khohlano (F) bo lekana le sehlahisoa sa khokahanyo ea khokahanyo (μ) le khatello e emeng e ntle (N) holim'a matla a khohlano, e hlahisoang ke foromo ea tlhaho: F=μN. Bakeng sa brake system: (μ) e bua ka coefficient ea khohlano lipakeng tsa brake pad le brake disc, 'me N ke Pedal Force e sebelisoang ke brake caliper piston holim'a brake pad. Ha khohlano e kholoanyane e hlahisoang ke khohlano e kholoanyane, empa coefficient ea likhohlano lipakeng tsa brake pad le disc e tla fetoha ka lebaka la mocheso o phahameng o hlahisoang ke khohlano, ke ho re, coefficient ea likhohlano (μ) e fetoloa ka Mocheso, mofuta o mong le o mong oa brake pad ka lebaka la lisebelisoa tse fapaneng le li-curve coefficient curve, kahoo li-brake pads li tla ba le mocheso o fapaneng o nepahetseng oa ho sebetsa, 'me mocheso o sebetsang oa ho sebetsa, sena ke seo motho e mong le e mong a lokelang ho se tseba ha a reka li-brake pads.
Phetisetso ea matla a braking
Matla a sebelisoang ke brake caliper piston holim'a brake pad e bitsoa Pedal Force. Kamora hore matla a mokhanni ea hatang holim'a brake pedal a matlafatsoe ke lever ea mochini oa pedal, matla a matlafatsoa ke vacuum power boost a sebelisa molao-motheo oa phapang ea khatello ea vacuum ho sututsa pompo e kholo ea brake. Khatello ea metsi e fanoeng ke pompo ea master ea brake e sebelisa matla a phetisetso a metsi a sa tsitsang, a fetisetsoang pompong e 'ngoe le e' ngoe ka har'a brake tubing, 'me "PASCAL molao-motheo" e sebelisetsoa ho matlafatsa khatello le ho sututsa piston ea sub- pompa ho etsa matla hodima brake pad. Molao oa Pascal o bua ka taba ea hore khatello ea metsi e tšoana hohle ka har'a setshelo se koetsoeng.
Khatello e fumanoa ka ho arola matla a sebelisoang ke sebaka se hatelitsoeng. Ha khatello e lekana, re ka finyella phello ea matla a matla ka ho fetola karolo ea sebaka se sebelisitsoeng le se hatelitsoeng (P1 = F1 / A1 = F2 / A2 = P2). Bakeng sa litsamaiso tsa braking, karo-karolelano ea pompo e felletseng ho khatello ea pompo e nyane ke karo-karolelano ea sebaka sa piston sa pompo eohle ho ea sebakeng sa piston sa pompo e nyane.
