User tam tak chuan steel rim an lei dawnin an dam rei zawng hriat an duh a, eng chen nge thlak tur tih pawh hriat an duh bawk. Mahse, heng zawhnate hi chhanna chiang tak a awm lo. Steel rim dam rei zawng emaw, thlak danglam dan emaw hi a nghet lo va, thil tam takin a nghawng a ni.
Steel rim siamtu kan nih angin, i rim thlak hun tur dik tak kan sawi thei lo nain, a hnuaia thil awmte hi a lo awm a nih chuan thlak nghal a ngai a ni:
Deformation tenau tak tak a awm
Rim pakhatin side impact nasa tak a tuar a, chu chuan deformation tlemte chauh a thlen a nih chuan professional equipment hmangin siamthat theih a ni. Mahse, chutianga siam danglam hnuah chuan rim chakna chu a tlahniam dawn a ni. Load-bearing mamawhna sang tak nei lirthei tan chuan siamthat a tha lo. Rim thara thlak hi a him zawk a, a rintlak zawk bawk.
Surface Cracks emaw Fractures emaw a awm thei
Rim-a khawi hmunah pawh (a bik takin spoke-to-rim junction-ah emaw valve stem chhehvelah emaw) crack hmuh theiha lang hian impact damage nasa tak emaw metal fatigue emaw a tilang a ni. Hetiang dinhmun hian hnathawh laiin rim a chhiat nghal theihna a sang hle a, accident na tak a thlen thei a ni. Hetiang thil thleng tur ven nan hian thlak vat a pawimawh hle.
Rust nasa tak (corrosion) a awm .
Hei hian surface rust a kawk lo va, extensive metal loss, thinning, or perforation tihna a ni. Chutiang chhiatna chu de-icing agents, tuifinriat tui-a rei tak awm hnuah emaw, protective paint layer a tihchhiat hnuah emaw a thleng tlangpui. Corrosion hian wheel structural integrity nasa takin a tichak lo a, pressure pangngai a tuar theihna a tichhe a, rupture hlauhawmna a siam bawk.
Mounting Surface emaw Bolt Hole emaw a chhiatna nasa tak
Brake disc nena inzawm mounting surface-a inthlauhna nasa tak, emaw, installation dik lo vanga bolt holes hrual emaw, stripped (eg, tightening lutuk), secure fastening tihkhawtlai emaw, force distribution inthlauhna thlen emaw.
A tawi zawngin, engtikah nge steel rim thlak tur tih hi hun bituk a awm lo. Mahse, an dinhmun tak tak atanga thlak a ngai em tih hriat nan enfiah fo an ngai a ni. Entirnan, crack, structural fracture, severe out-of-round deformation, emaw deep rust perforations emaw hmuhchhuah a nih chuan thlak nghal a ngai a ni.