Choyamba, choyenera kugwiritsidwa ntchito: mitundu yonse ya ma angles mu 18-62mm valve ingagwiritsidwe ntchito; Zosankha zitsulo mbale Awiri, akamaumba: ntchito nkhope ndi chamfering kumtunda ndi m'munsi ndi processing; Atatu, palibe akupera: valavu mpando mphete pambuyo processing zambiri safuna akupera, angagwiritsidwe ntchito mwachindunji ndi valavu latsopano; Chachinayi, malo olondola: onetsetsani mpando wa valve ukugwira ntchito Mng'oma, malo a chamfer chapamwamba ndi chapansi, m'lifupi ndi coaxiality ndi kalozera wa valve; Kugwiritsa ntchito kasanu: tsamba la remer lomwe lili ndi vuto ...
