1. Inani lemigca ye-spiral yahlukile.

Oku kufana nomgca omnye kunye nomgca ophindwe kabini webholithi.Intloko enye kufuneka ikwazi ukugqiba intshulube yonke ukusuka kumgca omnye, ngelixa intloko ephindwe kabini iya kwahlulwa ngomgca.

2. Inani lokujika kombungu lahlukile.

Oko kukuthi, xa umbungu ujikeleza isangqa esinye, inani leizixhobo zeentshulubeamazinyo amelwe yi-Z2;kwindlela yokwalathisa, kokukhona inani leentloko zeentshulube, kokukhona ivili leentshulube lijikeleza ngamazinyo amabini, kwaye kufuneka ukudluliselwa kwamanqanaba amaninzi.Inokubonwa kwifomula yomlinganiselo wosulelo.

3.Amandla ahlukile xa ujikeleza.

Kuloo transmission enkulu, umzekelo, kusetyenziswa igiya, kunyeivili lombunguujikeleza ngezinyo elinye.Ukuba kukho ii-helices ezimbini kwi-worm, ndiyakwazi ukufikelela kwi-1000, kwaye umthamo uncinci.Ngokuqhelekileyo, iintshulube kunye nemicu yahlulwe yaba ngasekunene kunye nesandla sasekhohlo, oko kukuthi, iintshulube zinentloko enye.Ngokulinganisa, xa u-Z1=1, kuya kuba nzima ukuqhubekeka.Kuthungelwano lwamandla, inani leentloko zeentshulube limelwe yiZ1 (ngokubanzi Z1=1~4).Okona kuphezulu ukusebenza kakuhle kosulelo, intshulube kufuneka ijike elinye ivili leentshulube phambi kokuba lijike elinye.Ukujikeleza, ubunzima obulula, thatha umlinganiselo wokudluliselwa kwe-I = 10-80.Omnye one-helix enye kuphela kwi-worm ebizwa ngokuba yi-worm-head worm, ngoko ke i-worm ine-compact transmission structure kunye ne-transmission ratio enkulu inokufumaneka.Ibizwa ngokuba yi-double-head worm, okuthetha ukuba umbungu wenza i-revolution enye, kwaye ubizwa ngokuba yi-right-handed worm kunye ne-left-handed worm, ngokulandelanayo.