Iigiya ze-cylindricalIzinto zokubala ukubala, zisetyenziselwa ukuhanjiswa kwamandla e-Shalls, kufuna ukubalwa ngokuchanekileyo ukuqinisekisa ukusebenza kakuhle. Iiparamitha ezisisiseko zokuqwalaselwa zibandakanya umlinganiso wegiya, ububanzi be-pitch, kunye nokubala izinyo. Umyinge wegiya, umiselwe ngumyinge wenani lamazinyo kwigiya yokuqhuba kwigiya eqhutywa, ichaphazela ngqo isantya kunye netotali yenkqubo.

Ukubala ububanzi be-pitch, sebenzisa ifomula:

I-Pitch Deameter = I-Diametrol Ritch / Inani lamazinyo

Apho i-Ditch ye-Diametral linani lamazinyo nge-intshi nganye yobubanzi begadi. Enye into ephambili kubalo yimodyuli yegiya, enikezwe ngu:
Imodyuli = Inani lamazinyo / i-pitch ye-pitch

Ukubalwa ngokuchanekileyo kweprofayili yezinyo kunye nesithuba kubalulekile ukuthintela imicimbi yokutshintsha kwaye uqinisekise ukusebenza kakuhle. Ukongeza, ukujonga ulungelelwaniso lwegiya olufanelekileyo kunye nokubuyela umva kubalulekile ukugcina intsebenzo kunye nobomi obude. Ezi zibalo zinceda ekuyileni iigiya ezisebenza ngokufanelekileyo, zomelele, kwaye zilungele isicelo sabo.