Zosankha zisanu ndi ziwiri zomwe sizinganyalanyazidwe posankha zida zotenthetsera

1.Kusankha kwamadzi akuya ndi dera:

Ngati kuya kwanyengo kuli kozama, malowo ndi akulu, ndipo kutentha konsekonse, zida zotenthetsera ndi mphamvu yayitali komanso pafupipafupi ziyenera kusankhidwa; Kuzama kwanyengo ndikosaya, malowa ndi ochepa, ndipo kutentha kwanuko kumagwiritsidwa ntchito. Zida zotenthetsera ndi mphamvu zochepa komanso pafupipafupi zimayenera kusankhidwa.

2. Kusankha mtunda wolumikiza pakati pazinthu zofunikira ndi zida:

Kulumikizana ndikutalika, ndipo chingwe chozizira madzi chimagwiritsidwa ntchito polumikizira. Zida zotenthetsera ndi mphamvu yayitali ziyenera kusankhidwa.

Zida zotenthetsera

3. Kusankhidwa kwa mawonekedwe ndi kukula kwa workpiece kuti iwatenthe:

Pazogwirira ntchito zazikulu, mipiringidzo ndi zida zolimba, zida zotenthetsera zopangira ndi mphamvu yayitali komanso pafupipafupi ziyenera kugwiritsidwa ntchito; Ma mbale, zopangira zing’onozing’ono, mapaipi, magiya, ndi zina zambiri, zida zotenthetsera ndi mphamvu zochepa komanso pafupipafupi ziyenera kugwiritsidwa ntchito.

4. Kusankha njira:

Nthawi zambiri, kuzimitsa, kuwotcherera ndi njira zina, mphamvu zochepa komanso mafupipafupi amatha kusankhidwa; tempering, annealing ndi njira zina, mphamvu yamtundu imasankhidwa kukhala yayikulu, ndipo pafupipafupi ndiyotsika; kukhomerera kofiira, kulipira kotentha, kusungunuka, ndi zina zambiri, zimafunikira mokwanira Pazomwe zimakhala ndi matenthedwe abwino, mphamvuyo iyenera kukhala yayikulu ndipo mafupipafupi akhale otsika.

5. Kusankha kwakuthupi:

Zina mwazitsulo zachitsulo, malo osungunuka kwambiri ndi akulu, malo osungunuka otsika ndi ochepa; zotchingira m’munsi ndizapamwamba, ndipo zotchingira pamwamba ndizotsika, ndi zina zambiri.

Zisanu ndi chimodzi, kusankha kuthamanga kwachangu:

Kuthamanga kwambiri, zida zotenthetsera ndi mphamvu yayikulu komanso pafupipafupi ziyenera kusankhidwa.

7. Kusankha nthawi yogwirira ntchito yopitilira:

Ngati nthawi yogwirira ntchito ndiyotalika, zida zotenthetsera ndi mphamvu zokulirapo ziyenera kusankhidwa. M’malo mwake, zida zomwe zili ndi mphamvu zochepa ziyenera kusankhidwa.