Official Answer
Answer
Muburyo bwiza bwuburyo bwiza, grooves ifite $ 90 ^ \ kuzenguruka $ ityaye. Mubyukuri, ibikoresho bifite radiyo $ R $, kandi ibice byo guhuza akenshi bifite chamfer $ C $. Ibiranga bigabanya ahantu heza ho guhurira hagati yimpeta nurukuta rwa groove. Ubushobozi bwo gusunika bugomba guteshwa agaciro ukoresheje ikintu $ K $. Niba chamfer ku gice cyagumishijwe ari kinini cyane, ikora ingaruka ya 'wedge' igerageza kwagura impeta (ubwoko bwa bore) cyangwa kuyisezerana (ubwoko bwa shaft) hanze ya ruhago. Nukugirango igikumwe, ntarengwa byemewe chamfer cyangwa radiyo ni $ 0.5 \ inshuro d $ (ubujyakuzimu bwa groove). Niba chamfer irenze ibi, igikarabiro cyo kumanura kigomba gukoreshwa mugutanga kare kare kumpeta.
