Ndeupi mutsauko uye kushandiswa pakati peeccentric uye concentric bits?

Musiyano uripo pakati pe eccentric drill bit uye concentric drill bit:

1, concentric pombi yekuchera chishandiso nekuda kweiyo yekunze madziro akakora, yakafanana aperture kuvaka, simba rekufambisa mhedzisiro haina kunaka senge eccentric yekuchera chishandiso, chete mugomba dhayamita yakakura, mhedzisiro iri nani, asi mutengo wekugadzira uri nani. yakakwirira kwazvo kupfuura eccentric drilling tool;

2, eccentric pombi yekuchera chishandiso kwete chete gomba dhayamita, uye yakapusa chimiro, yakaderera mutengo wekugadzira, iri nyore kushandisa, saka yakashandiswa zvakanyanya.