Kev nkag siab zoo ntawm cov ntaub thaiv npog uas koj tsis paub
4. Why are there grooves on some discs? Are the brake pads hard?
Muaj cov qauv hauv teb chaws rau qhov hardness ntawm nres nres, uas yog qhov nruab nrab ntawm 35 thiab 70 Shore hardness. Qhov hardness no tsis yog qhov tseem ceeb ntawm kev hnav ntawm koj cov brakes. Tus neeg hnav-nce ntxiv nyob rau hauv lub nres nres yog qhov tseem ceeb ntawm cov hnav disc. Mos thiab tawv nres nres tsis yog qhov ua rau hnyav disc hnav, tus neeg ua txhaum yog cov khoom siv qis qis.
5. Lub nres nres kuv yuav rau 70 yuan kuj zoo heev, txoj cai? Zoo braking nyhuv
Nws yog ib qho yooj yim heev kom paub txog lub peev xwm ntawm cov brakes. Qhov nws xav tau yog kom muaj kev ruaj ntseg ntawm cov brakes nyob rau hauv qhov kub thiab txias, kev kub ceev, kev kub ceev, thiab nag. Qhov no yog qhov nyuaj tshaj plaws. Lub tsheb qub yuav tsum muaj cov cim qhia ntxiv xws li kev nplij siab, suab nrov, kev tiv thaiv ib puag ncig, thiab lwm yam, uas ua rau cov brakes nyuaj dua. Yog li ntawd, koj txoj kev tsav tsheb yooj yim zoo nkaus li zoo, tab sis nws tsis tau txhais hais tias nws txoj kev nyab xeeb kev ua haujlwm tuaj yeem ncav cuag cov txiaj ntsig ntawm lub tsheb nres ntawm koj lub tsheb qub hauv ntau yam xwm txheej ceev. Yuav kom ncaj ncees, thawj lub tsheb ntawm koj lub tsheb ntiag tug tsuas yog yuav tsum tau hloov nrog cov txheej txheem nres tom qab 4 lossis 5 xyoos. Yog tias nws tsuas yog 70 yuan raws li koj tau hais, koj puas xav tias cov txiaj ntsig no tuaj yeem txhawb nqa lub tshuab nres nres? Tau kawg tsis yog, dab tsi ua tsis tau? koj paub.
Thib rau, tsuav yog tsis muaj lub suab nrov ntawm lub nres nres, nws puas yuav nres lub tsheb? Puas yog nws tsis paub?
Raws li tau hais los saum no, nws yooj yim heev los daws cov suab nrov ib leeg. Tab sis lub luag haujlwm tseem ceeb ntawm cov pawm nres tsis yog suab nrov, tab sis kev nyab xeeb. Tam sim no kev ua lag luam yeej them nyiaj ntau dhau rau lub suab nrov thiab tsis quav ntsej lub luag haujlwm tseem ceeb ntawm lub tshuab nres. Raws li txhua leej txhua tus hais, puas txaus nres tsheb? Yog lawm, cia li nres lub tsheb, tab sis tej zaum koj yuav tsis tau xav tias koj tuaj yeem nres tsheb ntawm txoj kev tiaj tus, koj tuaj yeem nres lub tsheb ntawm qhov nrawm, tab sis koj puas tuaj yeem nres lub tsheb thaum muaj xwm txheej ceev? Koj puas tuaj yeem nres lub tsheb nyob rau hauv qhov kub thiab txias ntawm nruam braking ntawm txoj kev winding roob? Koj puas tuaj yeem lav qhov kev ncua deb ntawm 100 km ib teev hauv nag? Dab tsi yog thawj lub tsheb nres tsheb yuav tsum lav yog qhov ruaj khov ntawm lub peev xwm nres thaum peb xav tau kev nyab xeeb tshaj plaws. Lub sijhawm no, kuv ntseeg tias ntau tus tswv tsheb uas xav tias nws txaus los nres lub tsheb tsis tau xav txog nws.
