Official Answer
Answer
Amashanyarazi ya radiyo $ R $ agomba kubikwa gake (mubisanzwe $ R \ le 0.005 $ inches) kugirango barebe ko impeta iringaniye ikora cyane nurukuta rwa groove. Niba radiyo ari nini cyane, ikora 'ramp' yorohereza impeta kuroba hanyuma amaherezo igasohoka munsi yumutwaro wa axial. Mugihe cyo guterana, kuba hari radiyo cyangwa chamfer mugice cyo gushyingiranwa nabyo bigira ingaruka kumuhanda. Iharurwa ryumutwaro wemewe $ P $ ryatanzwe hashingiwe ku kigereranyo cya radiyo nubunini bwimpeta. Abashushanya bagomba kwerekana 'kare' grooves kugirango barusheho gukora neza impeta ya spiral.
