T=(0.5~0.7)*k*σs*As*d/1000
Mwa iwo,
T: torque yolimbitsa, Nm
k: kulimbitsa mphamvu yamphamvu, nthawi zambiri 0.12
σs: mphamvu zokolola za bolt, Mpa
Monga: malo owopsa a Cross-Sectional, mm2
d: awiri mwadzina, mm

Hebei Chengyi Engineering Materials Co., Ltd. wadzipereka kupanga ndi chitukuko cha zomangira zosiyanasiyana. Mankhwalawa amagwiritsidwa ntchito kwambiri mu mphamvu yamagetsi, kapangidwe kazitsulo, zomangamanga, migodi, photovoltaic, makina, mayendedwe, njanji ndi zina. Dongosolo loyang'anira kuti lipatse makasitomala mwatsatanetsatane, wosamala komanso wotsimikizika woyimitsa kamodzi.