Mangakhi amasentimitha intshi elilodwa elilingana nesondo lasemhlabeni wonke?

Embonini ye-caster, ububanzi be-caster eyintshi eyodwa bungamasentimitha angu-2.5, noma amamilimitha angu-25.Isibonelo, uma unesondo elingu-4-intshi elingu-universal, ububanzi bungu-100mm, kanti ububanzi besondo bungu-32mm.

I-Caster yitemu elijwayelekile elihlanganisa ama-caster anyakazayo kanye nama-fixed caster.Ama-caster ahambayo, awaziwa nangokuthi ama-universal casters, abonakala ngamasondo amane phansi futhi angazungezisa ama-degree angama-360.Kodwa-ke, lapho uzungezisa isondo elisendaweni yonke, kubalulekile ukugwema ukulitshekisa kakhulu noma ukulijika liqonde phezulu, njengoba lokhu kungase kubangele ukulimala kwesondo noma kwehlise impilo yalo yesevisi.

Ngaphezu kwalokho, isondo le-universal linezinhlelo eziningi ezisetshenziswayo, njengezinqola, izinqola zemithwalo, imishini yokuphatha yesimanje, igiya elincane lokuhlala njalo njalo.Ngasikhathi sinye, inqubo yokukhiqiza isondo lendawo yonke iyathuthuka, njengokusetshenziswa kwezinto ezisezingeni eliphakeme ze-polyurethane ezakhiwe isondo lomhlaba wonke, ukumelana nowoyela, ukumelana nokushisa okuphansi, ukumelana nokuhubhuka, ukumelana nomthelela nezinye izinzuzo, ukuze yenza ukusetshenziswa kwayo ezikhathini ezihlukahlukene kuphephe futhi kuthembekile.