Zvakatora zviuru zvemakore kuti masiruuru madiki agadzirwe kutozosvikira asimbiswa sezvakafananidzwa newachi uye asununguka achitarisana newachi. Ive nehupfu yegoridhe yakafunga nezve dambudziko, nei vachifanira kusimbiswa wachi?
Maturusi matanhatu akareruka emuchina ndeaya:Screws, Increned Surfaces, Levers, Pulleys, Wedges, Wheels, Axles.
Iyo screw iri pakati pemichina mitanhatu iri nyore, asi kutaura zvakajeka, ingori axis uye ndege yakarerekera inomonereka ichiitenderedza. Nhasi, screws dzakagadzira zviyero zvakajairwa. Iyo yakajairika nzira yekushandisa sikuruu ndeyekuisimbisa iyo clockwise (kusiyana ne counterclockwise kusunungura).
Zvisinei, sezvo zvidzitiro pakutanga kwekugadzirwa zvose zvakaitwa nemaoko, kunaka kwezvigadziro kwakanga kusingapindirani, izvo zvaiwanzogadziriswa nezvinodiwa nemunhu wemhizha.
Pakati pezana remakore rechi16, injiniya wedare rokuFrance Jaques Besson akagadzira lathe yaigona kucheka kuita screws, uye teknolojia iyi yakazozivikanwa mumakore 100. MuRungu Henry Maudsley akagadzira lathe yemazuva ano muna 1797, uye nayo, kunaka kweshinda kwakavandudzwa zvakanyanya. Zvakangodaro, hapana chiyero chakafanana chehukuru uye kunaka kwema screws.
Mamiriro ezvinhu aya akachinja muna 1841. Joseph Whitworth, mudzidzi weMaudsley, akatumira chinyorwa kuInstitute of Municipal Engineers achidaidzira kubatanidzwa kwema screw model. Akapa mazano maviri:
1. Kurerekera kwescrew thread kunofanira kuva 55 °.
2. Pasinei nehupamhi hwemakona, imwe chiyero inofanira kutorwa kune nhamba yewaya netsoka.
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Nguva yekutumira: Kubvumbi-16-2020