Official Answer
Answer
'Edge Lead-In' cyangwa 'Gushyira Chamfer' ni igice gifatanye ku mpera yumutwe wemerera impeta ya spiral kwaguka buhoro buhoro uko isunitswe yerekeza kuri ruhago. Hatabayeho kuyobora, impeta igomba kwagurwa mu buryo butunguranye, akenshi biganisha ku 'kwaguka birenze' no guhoraho (gutakaza 'gukomera'). Birasabwa kuyobora-inguni ya $ 15-20 $. Diameter ntarengwa ya sisitemu-in igomba kuba nini cyane kurenza diameter ya shaft kugirango impeta ikureho urutugu byoroshye. Mu giterane cyikora, icyuma cyoroheje, gisukuye kigabanya imbaraga zo guterana zisabwa kugirango zicare impeta, birinda 'gukubita' impeta mugihe cyo gusunika.
