Chitsamba chozizira chikadula chitsulo, kutentha komwe kumapangidwa ndi mano a chekala ozizira podula chogwiriracho kumapita ku utuchi, ndipo chogwirira ntchito ndi tsamba la macheka zimakhalabe zozizira. Njira yodulira imeneyi imatchedwa kuti macheka ozizira. Cold macheka ndi osiyana ndi mikangano macheka, mmene workpiece ndi mikangano anaona kutikitirana wina ndi mzake, kuchititsa mikangano macheka ndi workpiece ndi kutentha kwambiri pa macheka ndondomeko.
AUbwino wa masamba owuma:
Poyerekeza ndi macheka wamba zitsulo kudula mikangano, ubwino wa masamba ozizira macheka ndi motere: mkulu mwatsatanetsatane workpiece, palibe burrs, ndi kuchepetsedwa mphamvu ya ndondomeko yotsatira; workpiece sichidzaterozimakhudza katundu wa zinthu chifukwa cha kutentha kwambiri kwaiye ndi kukangana; ndipafupipafupi zakutopa pakati pa antchito ndi otsikaer ndintchito yocheka ndi apamwamba; palibe phokoso, fumbi, ndipo palibe phokoso panthawi yocheka; ndizothandiza kuteteza mphamvu ndi kuteteza chilengedwe.
Zida zodulidwa ndi macheka ozizira:
Makamaka ntchito kudula zitsulo, monga chitsulo, zotayidwa, mkuwa, chitsulo, etc.
Momwe mungagwiritsire ntchito macheka ozizira:
1. Kukonzekera:we muyenera kuyang'ana ngati tsamba la macheka laikidwa bwino komanso ngati tsamba la macheka likumizidwa mwamphamvu basanayambe kugwiritsa ntchito macheka ozizira. Panthawi imodzimodziyo, fufuzani ngati m'mphepete mwa tsamba ndi woyera kuti muwonetsetse kuti ndi bwino kudula.
2. Sinthani makina ocheka: Konzani zinthu zomwe ziyenera kudulidwa pamakina ocheka, ndikusintha makulidwe a kudula ndi ngodya ya makina ocheka kuti muwonetsetse kuti kudula bwino.
3. Yambani kudula: Yatsani makina odulira macheka ozizira ndipo pang'onopang'ono ikani tsamba la macheka pa zinthu zoti mudulidwe kuti muyambe kudula. Panthawi yodula, ndikofunikira kuwonetsetsa kuti tsamba la macheka lili pamalo oyenera kuti asapatuke kapena kugwedezeka.
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