Chiwongolero cha China cha China

Pini ya Elastical Cylindrical, yotchedwanso pini ya masika, ndi mpweya wopanda mutu, womwe umatsekedwa m'mayendedwe a axialia. Amagwiritsidwa ntchito poyimitsa, kulumikizidwa ndikukhazikika pakati pa magawo; Iyenera kukhala ndi zotanuka bwino ndikulimbana ndi mphamvu yama shear, m'mimba mwa zikhomo izi ndizazikulu kuposa kutalika kokweza.

Mapakiti oyenda masika ndiolinga, zolinga zotsika mtengo zomwe zimagwiritsidwa ntchito m'mapulogalamu ambiri othamanga. Okakamizidwa mukakhazikitsa, pini imagwiritsira ntchito kupanikizika kosalekeza mbali zonse za khoma. Chifukwa ma pini a ma pini amapanikizana pakukhazikitsa.

Zowonjezera zomwe ziyenera kukhazikika m'deralo moyang'anizana ndi poyambira. Kulemera kumeneku kumapangitsa kuti mapiko olima oyenera kuposa zikhomo zolimba kuposa zikhomo zolimba, potero kuchepetsa mtengo.